[INFO] cloning repository https://github.com/amand1996/rustbyexample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amand1996/rustbyexample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famand1996%2Frustbyexample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famand1996%2Frustbyexample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c75255b049db44af9ee12ad0479c18145a53581d
[INFO] testing amand1996/rustbyexample against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famand1996%2Frustbyexample" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amand1996/rustbyexample 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/amand1996/rustbyexample
[INFO] finished tweaking git repo https://github.com/amand1996/rustbyexample
[INFO] tweaked toml for git repo https://github.com/amand1996/rustbyexample written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/amand1996/rustbyexample 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c13dfcb68381d26c573e6eac4e868f563f9b1dbd7d7db84893f32ea6962d58bc
[INFO] running `Command { std: "docker" "start" "-a" "c13dfcb68381d26c573e6eac4e868f563f9b1dbd7d7db84893f32ea6962d58bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c13dfcb68381d26c573e6eac4e868f563f9b1dbd7d7db84893f32ea6962d58bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13dfcb68381d26c573e6eac4e868f563f9b1dbd7d7db84893f32ea6962d58bc", kill_on_drop: false }`
[INFO] [stdout] c13dfcb68381d26c573e6eac4e868f563f9b1dbd7d7db84893f32ea6962d58bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a20dd6e0abcc09c5fd0b2cd1107520936d4531cdaf762e545cb01c2da5e6b5f2
[INFO] running `Command { std: "docker" "start" "-a" "a20dd6e0abcc09c5fd0b2cd1107520936d4531cdaf762e545cb01c2da5e6b5f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbyexample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "a20dd6e0abcc09c5fd0b2cd1107520936d4531cdaf762e545cb01c2da5e6b5f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20dd6e0abcc09c5fd0b2cd1107520936d4531cdaf762e545cb01c2da5e6b5f2", kill_on_drop: false }`
[INFO] [stdout] a20dd6e0abcc09c5fd0b2cd1107520936d4531cdaf762e545cb01c2da5e6b5f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 43a5b88a291bfaf75b9f324b982b9bb0f9285502cdef5a0c53cd5fed1cf87540
[INFO] running `Command { std: "docker" "start" "-a" "43a5b88a291bfaf75b9f324b982b9bb0f9285502cdef5a0c53cd5fed1cf87540", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbyexample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "43a5b88a291bfaf75b9f324b982b9bb0f9285502cdef5a0c53cd5fed1cf87540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a5b88a291bfaf75b9f324b982b9bb0f9285502cdef5a0c53cd5fed1cf87540", kill_on_drop: false }`
[INFO] [stdout] 43a5b88a291bfaf75b9f324b982b9bb0f9285502cdef5a0c53cd5fed1cf87540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e7d9fc2ba1391990181bebb6e60e760b580edd723bc8bbf12c65d7af73b7d919
[INFO] running `Command { std: "docker" "start" "-a" "e7d9fc2ba1391990181bebb6e60e760b580edd723bc8bbf12c65d7af73b7d919", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustbyexample-a40cfbc451932433)
[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" "e7d9fc2ba1391990181bebb6e60e760b580edd723bc8bbf12c65d7af73b7d919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d9fc2ba1391990181bebb6e60e760b580edd723bc8bbf12c65d7af73b7d919", kill_on_drop: false }`
[INFO] [stdout] e7d9fc2ba1391990181bebb6e60e760b580edd723bc8bbf12c65d7af73b7d919