[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 1.55.0 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-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tobyjsullivan/rs-string-n-thread on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-18/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" "+1.55.0" "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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 197f0200dcd14ff5121ea70bb030f102f90ed5516d1e33d02890e9630dc62e06
[INFO] running `Command { std: "docker" "start" "-a" "197f0200dcd14ff5121ea70bb030f102f90ed5516d1e33d02890e9630dc62e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "197f0200dcd14ff5121ea70bb030f102f90ed5516d1e33d02890e9630dc62e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "197f0200dcd14ff5121ea70bb030f102f90ed5516d1e33d02890e9630dc62e06", kill_on_drop: false }`
[INFO] [stdout] 197f0200dcd14ff5121ea70bb030f102f90ed5516d1e33d02890e9630dc62e06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecf834c8f9a314ddc3346e5033a2bf75818d1af8c04b321c270cca6e30d8b481
[INFO] running `Command { std: "docker" "start" "-a" "ecf834c8f9a314ddc3346e5033a2bf75818d1af8c04b321c270cca6e30d8b481", kill_on_drop: false }`
[INFO] [stderr]    Compiling ex1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "ecf834c8f9a314ddc3346e5033a2bf75818d1af8c04b321c270cca6e30d8b481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf834c8f9a314ddc3346e5033a2bf75818d1af8c04b321c270cca6e30d8b481", kill_on_drop: false }`
[INFO] [stdout] ecf834c8f9a314ddc3346e5033a2bf75818d1af8c04b321c270cca6e30d8b481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c6a5fb9c04cd87bc8e54f2a58b9ca855c186ca3bf554ddc390fa4cfaba5b950
[INFO] running `Command { std: "docker" "start" "-a" "5c6a5fb9c04cd87bc8e54f2a58b9ca855c186ca3bf554ddc390fa4cfaba5b950", kill_on_drop: false }`
[INFO] [stderr]    Compiling ex1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "5c6a5fb9c04cd87bc8e54f2a58b9ca855c186ca3bf554ddc390fa4cfaba5b950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6a5fb9c04cd87bc8e54f2a58b9ca855c186ca3bf554ddc390fa4cfaba5b950", kill_on_drop: false }`
[INFO] [stdout] 5c6a5fb9c04cd87bc8e54f2a58b9ca855c186ca3bf554ddc390fa4cfaba5b950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd61babae4bd132a6799be62a6dad3dc73c5ebdd32b3fc898bcb4fe4abfe9eaa
[INFO] running `Command { std: "docker" "start" "-a" "dd61babae4bd132a6799be62a6dad3dc73c5ebdd32b3fc898bcb4fe4abfe9eaa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ex1-c70c82820762a39b)
[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" "dd61babae4bd132a6799be62a6dad3dc73c5ebdd32b3fc898bcb4fe4abfe9eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd61babae4bd132a6799be62a6dad3dc73c5ebdd32b3fc898bcb4fe4abfe9eaa", kill_on_drop: false }`
[INFO] [stdout] dd61babae4bd132a6799be62a6dad3dc73c5ebdd32b3fc898bcb4fe4abfe9eaa