[INFO] cloning repository https://github.com/tlafebre/necklace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tlafebre/necklace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlafebre%2Fnecklace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlafebre%2Fnecklace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37e45132154d2f8969a2291b215a479250edc3ea
[INFO] testing tlafebre/necklace 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%2Ftlafebre%2Fnecklace" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tlafebre/necklace 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/tlafebre/necklace
[INFO] finished tweaking git repo https://github.com/tlafebre/necklace
[INFO] tweaked toml for git repo https://github.com/tlafebre/necklace written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/tlafebre/necklace 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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 57d8e2c1dfc3169aaca9568f2f83aa4e828df4ec572811743bb36f90c2983e47
[INFO] running `Command { std: "docker" "start" "-a" "57d8e2c1dfc3169aaca9568f2f83aa4e828df4ec572811743bb36f90c2983e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57d8e2c1dfc3169aaca9568f2f83aa4e828df4ec572811743bb36f90c2983e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d8e2c1dfc3169aaca9568f2f83aa4e828df4ec572811743bb36f90c2983e47", kill_on_drop: false }`
[INFO] [stdout] 57d8e2c1dfc3169aaca9568f2f83aa4e828df4ec572811743bb36f90c2983e47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 0d4a974a13459b8c7d9aabd95213c80d40a54609d3aa1617f2e7bd22a6623f59
[INFO] running `Command { std: "docker" "start" "-a" "0d4a974a13459b8c7d9aabd95213c80d40a54609d3aa1617f2e7bd22a6623f59", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling necklace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "0d4a974a13459b8c7d9aabd95213c80d40a54609d3aa1617f2e7bd22a6623f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4a974a13459b8c7d9aabd95213c80d40a54609d3aa1617f2e7bd22a6623f59", kill_on_drop: false }`
[INFO] [stdout] 0d4a974a13459b8c7d9aabd95213c80d40a54609d3aa1617f2e7bd22a6623f59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 3b15decaddd23cb126fd9f31be6aab2ca5732fb2a8b0eef644b68f460551db07
[INFO] running `Command { std: "docker" "start" "-a" "3b15decaddd23cb126fd9f31be6aab2ca5732fb2a8b0eef644b68f460551db07", kill_on_drop: false }`
[INFO] [stderr]    Compiling necklace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "3b15decaddd23cb126fd9f31be6aab2ca5732fb2a8b0eef644b68f460551db07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b15decaddd23cb126fd9f31be6aab2ca5732fb2a8b0eef644b68f460551db07", kill_on_drop: false }`
[INFO] [stdout] 3b15decaddd23cb126fd9f31be6aab2ca5732fb2a8b0eef644b68f460551db07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 26e2299d509f638f26b7455b83d5660deaaa0928dda390b4f592bcb7b96dd23a
[INFO] running `Command { std: "docker" "start" "-a" "26e2299d509f638f26b7455b83d5660deaaa0928dda390b4f592bcb7b96dd23a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/necklace-7ef241c7af19fa33)
[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" "26e2299d509f638f26b7455b83d5660deaaa0928dda390b4f592bcb7b96dd23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e2299d509f638f26b7455b83d5660deaaa0928dda390b4f592bcb7b96dd23a", kill_on_drop: false }`
[INFO] [stdout] 26e2299d509f638f26b7455b83d5660deaaa0928dda390b4f592bcb7b96dd23a