[INFO] fetching crate ic-cron 0.7.0...
[INFO] checking ic-cron-0.7.0 against master#80ed61fbd64936ed676c2050e7e660b5ad78c9f2 for pr-100555
[INFO] extracting crate ic-cron 0.7.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ic-cron 0.7.0 on toolchain 80ed61fbd64936ed676c2050e7e660b5ad78c9f2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ic-cron 0.7.0
[INFO] finished tweaking crates.io crate ic-cron 0.7.0
[INFO] tweaked toml for crates.io crate ic-cron 0.7.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_tokenstream v0.1.3
[INFO] [stderr]   Downloaded ic-cdk v0.4.0
[INFO] [stderr]   Downloaded ic-cdk-macros v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e2b47f4d43d8e6873c4fa717df90c8a449905df5ee099d5abff5b75173b178e
[INFO] running `Command { std: "docker" "start" "-a" "5e2b47f4d43d8e6873c4fa717df90c8a449905df5ee099d5abff5b75173b178e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e2b47f4d43d8e6873c4fa717df90c8a449905df5ee099d5abff5b75173b178e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2b47f4d43d8e6873c4fa717df90c8a449905df5ee099d5abff5b75173b178e", kill_on_drop: false }`
[INFO] [stdout] 5e2b47f4d43d8e6873c4fa717df90c8a449905df5ee099d5abff5b75173b178e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 088770cb8d517db2839dae93104bbc0f1624c6a2d272240278968cc47784f90a
[INFO] running `Command { std: "docker" "start" "-a" "088770cb8d517db2839dae93104bbc0f1624c6a2d272240278968cc47784f90a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling ic-types v0.4.1
[INFO] [stderr]    Compiling proc-macro-crate v1.2.1
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[INFO] [stderr]    Compiling candid v0.7.16
[INFO] [stderr]    Compiling num_enum v0.5.7
[INFO] [stderr]     Checking ic-cdk v0.4.0
[INFO] [stderr]    Compiling ic-cdk-macros v0.4.0
[INFO] [stderr]     Checking ic-cron v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tasks`
[INFO] [stdout]   --> src/macros.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let tasks = cron_ready_tasks();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_tasks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task_id_1`
[INFO] [stdout]    --> src/task_scheduler.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let task_id_1 = scheduler
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_task_id_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cron_enqueue` is never used
[INFO] [stdout]   --> src/macros.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |         pub fn cron_enqueue<Payload: ic_cdk::export::candid::CandidType>(
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     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 `cron_dequeue` is never used
[INFO] [stdout]   --> src/macros.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |         pub fn cron_dequeue(
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.87s
[INFO] running `Command { std: "docker" "inspect" "088770cb8d517db2839dae93104bbc0f1624c6a2d272240278968cc47784f90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "088770cb8d517db2839dae93104bbc0f1624c6a2d272240278968cc47784f90a", kill_on_drop: false }`
[INFO] [stdout] 088770cb8d517db2839dae93104bbc0f1624c6a2d272240278968cc47784f90a