[INFO] cloning repository https://github.com/mdaley/timer_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdaley/timer_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdaley%2Ftimer_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdaley%2Ftimer_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd024fec36164b9ef23f160931b8c7f7739c7524
[INFO] testing mdaley/timer_rust against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdaley%2Ftimer_rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdaley/timer_rust on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mdaley/timer_rust
[INFO] finished tweaking git repo https://github.com/mdaley/timer_rust
[INFO] tweaked toml for git repo https://github.com/mdaley/timer_rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mdaley/timer_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1492fa523f348fea40a352faff608c60ae3ae4cb0b5e00f4325053900ee9b58f
[INFO] running `Command { std: "docker" "start" "-a" "1492fa523f348fea40a352faff608c60ae3ae4cb0b5e00f4325053900ee9b58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1492fa523f348fea40a352faff608c60ae3ae4cb0b5e00f4325053900ee9b58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1492fa523f348fea40a352faff608c60ae3ae4cb0b5e00f4325053900ee9b58f", kill_on_drop: false }`
[INFO] [stdout] 1492fa523f348fea40a352faff608c60ae3ae4cb0b5e00f4325053900ee9b58f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8c2f20d6942ad28d7463c97e2c0d09aee3fd3b812bc649961dc1ad88a2347d4
[INFO] running `Command { std: "docker" "start" "-a" "d8c2f20d6942ad28d7463c97e2c0d09aee3fd3b812bc649961dc1ad88a2347d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling custom_error v1.8.0
[INFO] [stderr]    Compiling timer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "d8c2f20d6942ad28d7463c97e2c0d09aee3fd3b812bc649961dc1ad88a2347d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c2f20d6942ad28d7463c97e2c0d09aee3fd3b812bc649961dc1ad88a2347d4", kill_on_drop: false }`
[INFO] [stdout] d8c2f20d6942ad28d7463c97e2c0d09aee3fd3b812bc649961dc1ad88a2347d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a3456437be6c183549b971ec21fb5bec01cc2c79f0f94a110f8c64f7325a2b5
[INFO] running `Command { std: "docker" "start" "-a" "9a3456437be6c183549b971ec21fb5bec01cc2c79f0f94a110f8c64f7325a2b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling timer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `panic`
[INFO] [stdout]    --> src/timer.rs:106:23
[INFO] [stdout]     |
[INFO] [stdout] 106 |     use std::{thread, panic};
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "9a3456437be6c183549b971ec21fb5bec01cc2c79f0f94a110f8c64f7325a2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3456437be6c183549b971ec21fb5bec01cc2c79f0f94a110f8c64f7325a2b5", kill_on_drop: false }`
[INFO] [stdout] 9a3456437be6c183549b971ec21fb5bec01cc2c79f0f94a110f8c64f7325a2b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e66cda50eb1bd2f20396209fc23f0e4ca7242468c0eda3b7995a8432ebe8554e
[INFO] running `Command { std: "docker" "start" "-a" "e66cda50eb1bd2f20396209fc23f0e4ca7242468c0eda3b7995a8432ebe8554e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `panic`
[INFO] [stderr]    --> src/timer.rs:106:23
[INFO] [stderr]     |
[INFO] [stderr] 106 |     use std::{thread, panic};
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `timer` (bin "timer" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/timer-00baefcbbcecccc4)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test timer::tests::can_not_trigger_on_a_worker_that_is_not_running ... ok
[INFO] [stdout] test timer::tests::stopping_when_channel_already_stopped_results_in_error ... ok
[INFO] [stdout] test timer::tests::trigger_fails_if_channel_has_broken ... ok
[INFO] [stdout] test timer::tests::work_can_only_be_stopped_once ... ok
[INFO] [stdout] test timer::tests::work_can_only_be_started_once ... ok
[INFO] [stdout] test timer::tests::nothing_happens_if_work_is_not_triggered ... ok
[INFO] [stdout] test timer::tests::can_start_stop_and_then_start_worker ... ok
[INFO] [stdout] test timer::tests::one_piece_of_work_can_be_triggered ... ok
[INFO] [stdout] test timer::tests::do_lots_of_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e66cda50eb1bd2f20396209fc23f0e4ca7242468c0eda3b7995a8432ebe8554e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66cda50eb1bd2f20396209fc23f0e4ca7242468c0eda3b7995a8432ebe8554e", kill_on_drop: false }`
[INFO] [stdout] e66cda50eb1bd2f20396209fc23f0e4ca7242468c0eda3b7995a8432ebe8554e