[INFO] cloning repository https://github.com/argent0/rust_algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/argent0/rust_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fargent0%2Frust_algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fargent0%2Frust_algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42049461774b566228b4b3e4ebacf5ee5be7e3d7
[INFO] testing argent0/rust_algorithms against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fargent0%2Frust_algorithms" "/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/argent0/rust_algorithms on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/argent0/rust_algorithms
[INFO] finished tweaking git repo https://github.com/argent0/rust_algorithms
[INFO] tweaked toml for git repo https://github.com/argent0/rust_algorithms written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/argent0/rust_algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38ae5f0ea5d3db8e3bfb2e4e643f1c9f22d53cf2f89c4e29c64c1b2bd317ea5a
[INFO] running `Command { std: "docker" "start" "-a" "38ae5f0ea5d3db8e3bfb2e4e643f1c9f22d53cf2f89c4e29c64c1b2bd317ea5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38ae5f0ea5d3db8e3bfb2e4e643f1c9f22d53cf2f89c4e29c64c1b2bd317ea5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ae5f0ea5d3db8e3bfb2e4e643f1c9f22d53cf2f89c4e29c64c1b2bd317ea5a", kill_on_drop: false }`
[INFO] [stdout] 38ae5f0ea5d3db8e3bfb2e4e643f1c9f22d53cf2f89c4e29c64c1b2bd317ea5a
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6326abd0c83e136403337e5c482730579c5f742f591e96816a26bdf0ef2f21d
[INFO] running `Command { std: "docker" "start" "-a" "e6326abd0c83e136403337e5c482730579c5f742f591e96816a26bdf0ef2f21d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "e6326abd0c83e136403337e5c482730579c5f742f591e96816a26bdf0ef2f21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6326abd0c83e136403337e5c482730579c5f742f591e96816a26bdf0ef2f21d", kill_on_drop: false }`
[INFO] [stdout] e6326abd0c83e136403337e5c482730579c5f742f591e96816a26bdf0ef2f21d
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29b2338c0bf3af33f9d54f97996e507c1cfffb883ccad6454fe366182c2fe280
[INFO] running `Command { std: "docker" "start" "-a" "29b2338c0bf3af33f9d54f97996e507c1cfffb883ccad6454fe366182c2fe280", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "29b2338c0bf3af33f9d54f97996e507c1cfffb883ccad6454fe366182c2fe280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b2338c0bf3af33f9d54f97996e507c1cfffb883ccad6454fe366182c2fe280", kill_on_drop: false }`
[INFO] [stdout] 29b2338c0bf3af33f9d54f97996e507c1cfffb883ccad6454fe366182c2fe280
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0dc7524eba54fd695ee85a2ecfa9bd9f8487f75eef7b9f8f628966dac2ea5f1d
[INFO] running `Command { std: "docker" "start" "-a" "0dc7524eba54fd695ee85a2ecfa9bd9f8487f75eef7b9f8f628966dac2ea5f1d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_algorithms-be6c09dd792cf1c3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_algorithms-c91c196fd9adb9a1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_algorithms
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0dc7524eba54fd695ee85a2ecfa9bd9f8487f75eef7b9f8f628966dac2ea5f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc7524eba54fd695ee85a2ecfa9bd9f8487f75eef7b9f8f628966dac2ea5f1d", kill_on_drop: false }`
[INFO] [stdout] 0dc7524eba54fd695ee85a2ecfa9bd9f8487f75eef7b9f8f628966dac2ea5f1d