[INFO] cloning repository https://github.com/tobyjsullivan/rs-string-n-thread
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tobyjsullivan/rs-string-n-thread" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobyjsullivan%2Frs-string-n-thread", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobyjsullivan%2Frs-string-n-thread'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0c986edfa55fba490e42e6f513d646dd226bff0
[INFO] testing tobyjsullivan/rs-string-n-thread 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%2Ftobyjsullivan%2Frs-string-n-thread" "/workspace/builds/worker-45/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-45/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tobyjsullivan/rs-string-n-thread 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/tobyjsullivan/rs-string-n-thread
[INFO] finished tweaking git repo https://github.com/tobyjsullivan/rs-string-n-thread
[INFO] tweaked toml for git repo https://github.com/tobyjsullivan/rs-string-n-thread written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate git repo https://github.com/tobyjsullivan/rs-string-n-thread 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 1aede69e4e71c5852a315f98ddc4d8bc9fffe9fbb1882293d267d75b2906f272
[INFO] running `Command { std: "docker" "start" "-a" "1aede69e4e71c5852a315f98ddc4d8bc9fffe9fbb1882293d267d75b2906f272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aede69e4e71c5852a315f98ddc4d8bc9fffe9fbb1882293d267d75b2906f272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aede69e4e71c5852a315f98ddc4d8bc9fffe9fbb1882293d267d75b2906f272", kill_on_drop: false }`
[INFO] [stdout] 1aede69e4e71c5852a315f98ddc4d8bc9fffe9fbb1882293d267d75b2906f272
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 416d0e1c6bdb8afc27daa1a10975b295bcf07bbe16b3e67254aa9af5db9a59b4
[INFO] running `Command { std: "docker" "start" "-a" "416d0e1c6bdb8afc27daa1a10975b295bcf07bbe16b3e67254aa9af5db9a59b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ex1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "416d0e1c6bdb8afc27daa1a10975b295bcf07bbe16b3e67254aa9af5db9a59b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416d0e1c6bdb8afc27daa1a10975b295bcf07bbe16b3e67254aa9af5db9a59b4", kill_on_drop: false }`
[INFO] [stdout] 416d0e1c6bdb8afc27daa1a10975b295bcf07bbe16b3e67254aa9af5db9a59b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] bbf7c712094b75b3029850817ce95805a0a9b3c498232b0580a0be77e207a394
[INFO] running `Command { std: "docker" "start" "-a" "bbf7c712094b75b3029850817ce95805a0a9b3c498232b0580a0be77e207a394", kill_on_drop: false }`
[INFO] [stderr]    Compiling ex1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "bbf7c712094b75b3029850817ce95805a0a9b3c498232b0580a0be77e207a394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf7c712094b75b3029850817ce95805a0a9b3c498232b0580a0be77e207a394", kill_on_drop: false }`
[INFO] [stdout] bbf7c712094b75b3029850817ce95805a0a9b3c498232b0580a0be77e207a394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 50a88a9a8a0bc779b11691f047d7e9cd9bf8dd3de81809c89dc030a49cda265b
[INFO] running `Command { std: "docker" "start" "-a" "50a88a9a8a0bc779b11691f047d7e9cd9bf8dd3de81809c89dc030a49cda265b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ex1-e555bd989437da24)
[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" "50a88a9a8a0bc779b11691f047d7e9cd9bf8dd3de81809c89dc030a49cda265b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a88a9a8a0bc779b11691f047d7e9cd9bf8dd3de81809c89dc030a49cda265b", kill_on_drop: false }`
[INFO] [stdout] 50a88a9a8a0bc779b11691f047d7e9cd9bf8dd3de81809c89dc030a49cda265b