[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 try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdaley%2Ftimer_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdaley/timer_rust on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded custom_error v1.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99d7a580b5199e6ca77668b39e9c6c7ff58a1aacee6037e9ecab2c1c91439c84
[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" "99d7a580b5199e6ca77668b39e9c6c7ff58a1aacee6037e9ecab2c1c91439c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99d7a580b5199e6ca77668b39e9c6c7ff58a1aacee6037e9ecab2c1c91439c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d7a580b5199e6ca77668b39e9c6c7ff58a1aacee6037e9ecab2c1c91439c84", kill_on_drop: false }`
[INFO] [stdout] 99d7a580b5199e6ca77668b39e9c6c7ff58a1aacee6037e9ecab2c1c91439c84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 161ba1fe9bfb941763a9bf604ee2a84c57adbfd596a091d3a01eb6837d98bb94
[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" "161ba1fe9bfb941763a9bf604ee2a84c57adbfd596a091d3a01eb6837d98bb94", 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 1.83s
[INFO] running `Command { std: "docker" "inspect" "161ba1fe9bfb941763a9bf604ee2a84c57adbfd596a091d3a01eb6837d98bb94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161ba1fe9bfb941763a9bf604ee2a84c57adbfd596a091d3a01eb6837d98bb94", kill_on_drop: false }`
[INFO] [stdout] 161ba1fe9bfb941763a9bf604ee2a84c57adbfd596a091d3a01eb6837d98bb94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--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] c1d9bf13b2b4bdf9be006855c1e828d8b33d8c803d6726bbf0f07045187bc179
[INFO] running `Command { std: "docker" "start" "-a" "c1d9bf13b2b4bdf9be006855c1e828d8b33d8c803d6726bbf0f07045187bc179", 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 1.64s
[INFO] running `Command { std: "docker" "inspect" "c1d9bf13b2b4bdf9be006855c1e828d8b33d8c803d6726bbf0f07045187bc179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d9bf13b2b4bdf9be006855c1e828d8b33d8c803d6726bbf0f07045187bc179", kill_on_drop: false }`
[INFO] [stdout] c1d9bf13b2b4bdf9be006855c1e828d8b33d8c803d6726bbf0f07045187bc179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 418d20165c9266ee88e771190f2e830ed5d09970ba3fdfa489bf4409cccc77a7
[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" "418d20165c9266ee88e771190f2e830ed5d09970ba3fdfa489bf4409cccc77a7", 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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/timer-822586d8d252dbeb)
[INFO] [stdout] running 9 tests
[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::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::nothing_happens_if_work_is_not_triggered ... ok
[INFO] [stdout] test timer::tests::do_lots_of_work ... ok
[INFO] [stdout] test timer::tests::one_piece_of_work_can_be_triggered ... ok
[INFO] [stdout] test timer::tests::can_start_stop_and_then_start_worker ... 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" "418d20165c9266ee88e771190f2e830ed5d09970ba3fdfa489bf4409cccc77a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "418d20165c9266ee88e771190f2e830ed5d09970ba3fdfa489bf4409cccc77a7", kill_on_drop: false }`
[INFO] [stdout] 418d20165c9266ee88e771190f2e830ed5d09970ba3fdfa489bf4409cccc77a7