[INFO] cloning repository https://github.com/KJMAN678/compare_speed_of_search_string
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KJMAN678/compare_speed_of_search_string" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKJMAN678%2Fcompare_speed_of_search_string", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKJMAN678%2Fcompare_speed_of_search_string'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73a19401bf1381d219f3837210c317dbe0ae6a0d
[INFO] testing KJMAN678/compare_speed_of_search_string against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKJMAN678%2Fcompare_speed_of_search_string" "/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/KJMAN678/compare_speed_of_search_string on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KJMAN678/compare_speed_of_search_string
[INFO] finished tweaking git repo https://github.com/KJMAN678/compare_speed_of_search_string
[INFO] tweaked toml for git repo https://github.com/KJMAN678/compare_speed_of_search_string written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/KJMAN678/compare_speed_of_search_string already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a38e995d6d72a94c5316ffd478595edbe18448ac256f5a642185bf8c93311d0f
[INFO] running `Command { std: "docker" "start" "-a" "a38e995d6d72a94c5316ffd478595edbe18448ac256f5a642185bf8c93311d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a38e995d6d72a94c5316ffd478595edbe18448ac256f5a642185bf8c93311d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38e995d6d72a94c5316ffd478595edbe18448ac256f5a642185bf8c93311d0f", kill_on_drop: false }`
[INFO] [stdout] a38e995d6d72a94c5316ffd478595edbe18448ac256f5a642185bf8c93311d0f
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0f178870a540ded6d180856a7ff86ed8b11f77942ca735e033d56f949f06a4e
[INFO] running `Command { std: "docker" "start" "-a" "f0f178870a540ded6d180856a7ff86ed8b11f77942ca735e033d56f949f06a4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling compare_speed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "f0f178870a540ded6d180856a7ff86ed8b11f77942ca735e033d56f949f06a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f178870a540ded6d180856a7ff86ed8b11f77942ca735e033d56f949f06a4e", kill_on_drop: false }`
[INFO] [stdout] f0f178870a540ded6d180856a7ff86ed8b11f77942ca735e033d56f949f06a4e
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ffbffb430f5b581acac1fe6df30490ef4b9ec133b0dd46673aaeddad5a2a157
[INFO] running `Command { std: "docker" "start" "-a" "6ffbffb430f5b581acac1fe6df30490ef4b9ec133b0dd46673aaeddad5a2a157", kill_on_drop: false }`
[INFO] [stderr]    Compiling compare_speed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "6ffbffb430f5b581acac1fe6df30490ef4b9ec133b0dd46673aaeddad5a2a157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ffbffb430f5b581acac1fe6df30490ef4b9ec133b0dd46673aaeddad5a2a157", kill_on_drop: false }`
[INFO] [stdout] 6ffbffb430f5b581acac1fe6df30490ef4b9ec133b0dd46673aaeddad5a2a157
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ef41342ddc91d9c188472cc503c84037e0de340a11942c0c0c77a2e7880157e
[INFO] running `Command { std: "docker" "start" "-a" "2ef41342ddc91d9c188472cc503c84037e0de340a11942c0c0c77a2e7880157e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/compare_speed-bf0241c0bfc67ad6)
[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" "2ef41342ddc91d9c188472cc503c84037e0de340a11942c0c0c77a2e7880157e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef41342ddc91d9c188472cc503c84037e0de340a11942c0c0c77a2e7880157e", kill_on_drop: false }`
[INFO] [stdout] 2ef41342ddc91d9c188472cc503c84037e0de340a11942c0c0c77a2e7880157e