[INFO] cloning repository https://github.com/oblique/c-callback-rust-closure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oblique/c-callback-rust-closure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foblique%2Fc-callback-rust-closure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foblique%2Fc-callback-rust-closure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7afe92758b42fdd8b58c8a55fbffdd6983a88ede
[INFO] testing oblique/c-callback-rust-closure against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foblique%2Fc-callback-rust-closure" "/workspace/builds/worker-119/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oblique/c-callback-rust-closure 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/oblique/c-callback-rust-closure
[INFO] finished tweaking git repo https://github.com/oblique/c-callback-rust-closure
[INFO] tweaked toml for git repo https://github.com/oblique/c-callback-rust-closure written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] crate git repo https://github.com/oblique/c-callback-rust-closure 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-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 5ad56dc2d3283c40e062198af7734fb15d2bf324179f0de3cd3c843a48de6af0
[INFO] running `Command { std: "docker" "start" "-a" "5ad56dc2d3283c40e062198af7734fb15d2bf324179f0de3cd3c843a48de6af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ad56dc2d3283c40e062198af7734fb15d2bf324179f0de3cd3c843a48de6af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad56dc2d3283c40e062198af7734fb15d2bf324179f0de3cd3c843a48de6af0", kill_on_drop: false }`
[INFO] [stdout] 5ad56dc2d3283c40e062198af7734fb15d2bf324179f0de3cd3c843a48de6af0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 6a88657c3f0642e22242003a58e159dee94edf4a977ecb1864e3f0900ffd7a1d
[INFO] running `Command { std: "docker" "start" "-a" "6a88657c3f0642e22242003a58e159dee94edf4a977ecb1864e3f0900ffd7a1d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling c-callback-rust-closure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `Command { std: "docker" "inspect" "6a88657c3f0642e22242003a58e159dee94edf4a977ecb1864e3f0900ffd7a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a88657c3f0642e22242003a58e159dee94edf4a977ecb1864e3f0900ffd7a1d", kill_on_drop: false }`
[INFO] [stdout] 6a88657c3f0642e22242003a58e159dee94edf4a977ecb1864e3f0900ffd7a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] cfeda0b4d33e616d84ea5ed47e5cfb9c88c3f6ff488f8cfd201545b2d0450913
[INFO] running `Command { std: "docker" "start" "-a" "cfeda0b4d33e616d84ea5ed47e5cfb9c88c3f6ff488f8cfd201545b2d0450913", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling c-callback-rust-closure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "cfeda0b4d33e616d84ea5ed47e5cfb9c88c3f6ff488f8cfd201545b2d0450913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfeda0b4d33e616d84ea5ed47e5cfb9c88c3f6ff488f8cfd201545b2d0450913", kill_on_drop: false }`
[INFO] [stdout] cfeda0b4d33e616d84ea5ed47e5cfb9c88c3f6ff488f8cfd201545b2d0450913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 84c3bb8af1bbdce5d6af2048083f83377aa647023a9ce608a2c247354162a32d
[INFO] running `Command { std: "docker" "start" "-a" "84c3bb8af1bbdce5d6af2048083f83377aa647023a9ce608a2c247354162a32d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c_callback_rust_closure-711bb201ab4bebc9)
[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" "84c3bb8af1bbdce5d6af2048083f83377aa647023a9ce608a2c247354162a32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c3bb8af1bbdce5d6af2048083f83377aa647023a9ce608a2c247354162a32d", kill_on_drop: false }`
[INFO] [stdout] 84c3bb8af1bbdce5d6af2048083f83377aa647023a9ce608a2c247354162a32d