[INFO] cloning repository https://github.com/Webstonesl/countdown_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Webstonesl/countdown_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebstonesl%2Fcountdown_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebstonesl%2Fcountdown_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 573a6a8e9c0f54dfd24294e6f704d8702ef9ca20
[INFO] testing Webstonesl/countdown_rs against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWebstonesl%2Fcountdown_rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Webstonesl/countdown_rs
[INFO] finished tweaking git repo https://github.com/Webstonesl/countdown_rs
[INFO] tweaked toml for git repo https://github.com/Webstonesl/countdown_rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Webstonesl/countdown_rs on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Webstonesl/countdown_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78967e3a6182197af4a421ffe0f8aa001b846507a1cbeee1232e1f17bf79a45d
[INFO] running `Command { std: "docker" "start" "-a" "78967e3a6182197af4a421ffe0f8aa001b846507a1cbeee1232e1f17bf79a45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78967e3a6182197af4a421ffe0f8aa001b846507a1cbeee1232e1f17bf79a45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78967e3a6182197af4a421ffe0f8aa001b846507a1cbeee1232e1f17bf79a45d", kill_on_drop: false }`
[INFO] [stdout] 78967e3a6182197af4a421ffe0f8aa001b846507a1cbeee1232e1f17bf79a45d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 129b1207a346830e7c1c952105614ac0659db7521a4310522b68613412684546
[INFO] running `Command { std: "docker" "start" "-a" "129b1207a346830e7c1c952105614ac0659db7521a4310522b68613412684546", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_countdown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/timing/mod.rs:101:45
[INFO] [stdout]     |
[INFO] [stdout] 101 |             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stdout]     |                                             ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stdout] 101 +             self.receiver.receive().map(|a| (self.func)(a) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "129b1207a346830e7c1c952105614ac0659db7521a4310522b68613412684546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129b1207a346830e7c1c952105614ac0659db7521a4310522b68613412684546", kill_on_drop: false }`
[INFO] [stdout] 129b1207a346830e7c1c952105614ac0659db7521a4310522b68613412684546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce868eff82e2521de5ebb335d6675ea4c3090ee2ace88573cb742445f1019880
[INFO] running `Command { std: "docker" "start" "-a" "ce868eff82e2521de5ebb335d6675ea4c3090ee2ace88573cb742445f1019880", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_countdown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/timing/mod.rs:101:45
[INFO] [stdout]     |
[INFO] [stdout] 101 |             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stdout]     |                                             ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stdout] 101 +             self.receiver.receive().map(|a| (self.func)(a) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/timing/mod.rs:101:45
[INFO] [stdout]     |
[INFO] [stdout] 101 |             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stdout]     |                                             ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stdout] 101 +             self.receiver.receive().map(|a| (self.func)(a) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "ce868eff82e2521de5ebb335d6675ea4c3090ee2ace88573cb742445f1019880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce868eff82e2521de5ebb335d6675ea4c3090ee2ace88573cb742445f1019880", kill_on_drop: false }`
[INFO] [stdout] ce868eff82e2521de5ebb335d6675ea4c3090ee2ace88573cb742445f1019880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] efcaabf230d509b76e13a55e52e00a4fe8d8ad722f73d43a3daff26662746d47
[INFO] running `Command { std: "docker" "start" "-a" "efcaabf230d509b76e13a55e52e00a4fe8d8ad722f73d43a3daff26662746d47", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/timing/mod.rs:101:45
[INFO] [stderr]     |
[INFO] [stderr] 101 |             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stderr]     |                                             ^              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 101 -             self.receiver.receive().map(|a| ((self.func)(a)))
[INFO] [stderr] 101 +             self.receiver.receive().map(|a| (self.func)(a) )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_countdown` (lib) generated 1 warning (run `cargo fix --lib -p rust_countdown` to apply 1 suggestion)
[INFO] [stderr] warning: `rust_countdown` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_countdown-ef506389ca308922)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test generators::subset_generator::test_counter ... ok
[INFO] [stdout] test generators::subset_permutation_generator::test ... ok
[INFO] [stdout] test generators::permutation_generator::test ... ok
[INFO] [stdout] test generators::permutation_generator::test_unique_generator has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "efcaabf230d509b76e13a55e52e00a4fe8d8ad722f73d43a3daff26662746d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efcaabf230d509b76e13a55e52e00a4fe8d8ad722f73d43a3daff26662746d47", kill_on_drop: false }`
[INFO] [stdout] efcaabf230d509b76e13a55e52e00a4fe8d8ad722f73d43a3daff26662746d47
