[INFO] fetching crate ic-cron 0.2.8...
[INFO] checking ic-cron-0.2.8 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate ic-cron 0.2.8 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ic-cron 0.2.8 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ic-cron 0.2.8
[INFO] finished tweaking crates.io crate ic-cron 0.2.8
[INFO] tweaked toml for crates.io crate ic-cron 0.2.8 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0334d78a6273a3744f7543332d04b0a80cf4c4fa61f3f42fbbec70741390318
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d0334d78a6273a3744f7543332d04b0a80cf4c4fa61f3f42fbbec70741390318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0334d78a6273a3744f7543332d04b0a80cf4c4fa61f3f42fbbec70741390318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0334d78a6273a3744f7543332d04b0a80cf4c4fa61f3f42fbbec70741390318", kill_on_drop: false }`
[INFO] [stdout] d0334d78a6273a3744f7543332d04b0a80cf4c4fa61f3f42fbbec70741390318
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ff949f5b4e74e7d1ae7a181da567addccc0f850f4d02c340edf5bd2ba0fc762
[INFO] running `Command { std: "docker" "start" "-a" "1ff949f5b4e74e7d1ae7a181da567addccc0f850f4d02c340edf5bd2ba0fc762", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling scopeguard v1.1.0
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[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
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[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking typed-arena v2.0.1
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[INFO] [stderr]     Checking chrono v0.4.19
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[INFO] [stderr]    Compiling parking_lot v0.11.2
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[INFO] [stderr]     Checking lalrpop-util v0.19.6
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling candid_derive v0.4.5
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]    Compiling logos v0.12.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking ic-types v0.2.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_tokenstream v0.1.2
[INFO] [stderr]    Compiling candid v0.7.8
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking ic-cdk v0.3.3
[INFO] [stderr]     Checking union-utils v0.1.5
[INFO] [stderr]    Compiling ic-cdk-macros v0.3.3
[INFO] [stderr]     Checking ic-cron v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `cron_enqueue`
[INFO] [stdout]    --> src/macros.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | /         pub fn cron_enqueue<Payload: ic_cdk::export::candid::CandidType>(
[INFO] [stdout] 19  | |             kind: u8,
[INFO] [stdout] 20  | |             payload: Payload,
[INFO] [stdout] 21  | |             scheduling_interval: ic_cron::types::SchedulingInterval,
[INFO] [stdout] ...   |
[INFO] [stdout] 33  | |             Ok(id)
[INFO] [stdout] 34  | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] ...
[INFO] [stdout] 101 |       implement_cron!();
[INFO] [stdout]     |       ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `implement_cron` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cron_dequeue`
[INFO] [stdout]    --> src/macros.rs:36:9
[INFO] [stdout]     |
[INFO] [stdout] 36  | /         pub fn cron_dequeue(
[INFO] [stdout] 37  | |             task_id: ic_cron::types::TaskId,
[INFO] [stdout] 38  | |         ) -> Option<ic_cron::types::ScheduledTask> {
[INFO] [stdout] 39  | |             get_cron_state().dequeue(task_id)
[INFO] [stdout] 40  | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] ...
[INFO] [stdout] 101 |       implement_cron!();
[INFO] [stdout]     |       ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `implement_cron` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 53s
[INFO] running `Command { std: "docker" "inspect" "1ff949f5b4e74e7d1ae7a181da567addccc0f850f4d02c340edf5bd2ba0fc762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff949f5b4e74e7d1ae7a181da567addccc0f850f4d02c340edf5bd2ba0fc762", kill_on_drop: false }`
[INFO] [stdout] 1ff949f5b4e74e7d1ae7a181da567addccc0f850f4d02c340edf5bd2ba0fc762