Infinite loop of "unable to schedule timer" when cycles run low

[ranile]

If the canister does not have enough cycles to schedule a timer (or interval), the library ends up in what is effectively an infinite loop of reattempts:

Canister logs

[7359. 2026-04-01T07:07:55.841725127Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7360. 2026-04-01T07:07:56.25502391Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7361. 2026-04-01T07:07:56.723303182Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7362. 2026-04-01T07:07:57.144843964Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7363. 2026-04-01T07:07:57.488891711Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7364. 2026-04-01T07:07:57.963775576Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7365. 2026-04-01T07:07:58.346957392Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7366. 2026-04-01T07:07:58.767879228Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7367. 2026-04-01T07:07:59.228574857Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7368. 2026-04-01T07:07:59.642307946Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7369. 2026-04-01T07:08:00.004852977Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7370. 2026-04-01T07:08:00.418322193Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7371. 2026-04-01T07:08:00.85038844Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7372. 2026-04-01T07:08:01.252940375Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7373. 2026-04-01T07:08:01.675909951Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7374. 2026-04-01T07:08:02.084408966Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7375. 2026-04-01T07:08:02.501918417Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7376. 2026-04-01T07:08:02.906392949Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7377. 2026-04-01T07:08:03.314078906Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7378. 2026-04-01T07:08:03.745544949Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7379. 2026-04-01T07:08:04.160874185Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7380. 2026-04-01T07:08:04.560114921Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7381. 2026-04-01T07:08:04.979469778Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7382. 2026-04-01T07:08:05.400479551Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7383. 2026-04-01T07:08:05.814826355Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7384. 2026-04-01T07:08:06.293797354Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7385. 2026-04-01T07:08:06.694427817Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7386. 2026-04-01T07:08:07.13025302Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles
[7387. 2026-04-01T07:08:07.546944138Z]: [ic-cdk-timers] unable to schedule timer: not enough liquid cycles

Reproduction steps

1. Schedule a timer
2. Wait for cycles to drain
3. Watch the logs