[INFO] cloning repository https://github.com/CRHarding/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/CRHarding/rust-closure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCRHarding%2Frust-closure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCRHarding%2Frust-closure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98fb6ee74e6c7b624c04272d97d47e15f59c62c4
[INFO] testing CRHarding/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%2FCRHarding%2Frust-closure" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CRHarding/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/CRHarding/rust-closure
[INFO] finished tweaking git repo https://github.com/CRHarding/rust-closure
[INFO] tweaked toml for git repo https://github.com/CRHarding/rust-closure written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/CRHarding/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] cc7ab824742bd55c5c6c59c088a4dd6a2028a5a1b109404d8ca4c17184866c44
[INFO] running `Command { std: "docker" "start" "-a" "cc7ab824742bd55c5c6c59c088a4dd6a2028a5a1b109404d8ca4c17184866c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc7ab824742bd55c5c6c59c088a4dd6a2028a5a1b109404d8ca4c17184866c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7ab824742bd55c5c6c59c088a4dd6a2028a5a1b109404d8ca4c17184866c44", kill_on_drop: false }`
[INFO] [stdout] cc7ab824742bd55c5c6c59c088a4dd6a2028a5a1b109404d8ca4c17184866c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] a96025a72fb0e2de61795d6a75a0e60e4f718f3ef62fe337ce5e2bf5750b391b
[INFO] running `Command { std: "docker" "start" "-a" "a96025a72fb0e2de61795d6a75a0e60e4f718f3ef62fe337ce5e2bf5750b391b", kill_on_drop: false }`
[INFO] [stderr]    Compiling closure_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "a96025a72fb0e2de61795d6a75a0e60e4f718f3ef62fe337ce5e2bf5750b391b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96025a72fb0e2de61795d6a75a0e60e4f718f3ef62fe337ce5e2bf5750b391b", kill_on_drop: false }`
[INFO] [stdout] a96025a72fb0e2de61795d6a75a0e60e4f718f3ef62fe337ce5e2bf5750b391b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] b6f0dda5d72199a16bc0bd3cdf9a09ca5f2b51c679d03b124920f357b8503d31
[INFO] running `Command { std: "docker" "start" "-a" "b6f0dda5d72199a16bc0bd3cdf9a09ca5f2b51c679d03b124920f357b8503d31", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling closure_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.51s
[INFO] running `Command { std: "docker" "inspect" "b6f0dda5d72199a16bc0bd3cdf9a09ca5f2b51c679d03b124920f357b8503d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f0dda5d72199a16bc0bd3cdf9a09ca5f2b51c679d03b124920f357b8503d31", kill_on_drop: false }`
[INFO] [stdout] b6f0dda5d72199a16bc0bd3cdf9a09ca5f2b51c679d03b124920f357b8503d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 17c8ccf51fb557083aa63a3c518e97047234f6d7e2ee85c7b7c07a1b727afbca
[INFO] running `Command { std: "docker" "start" "-a" "17c8ccf51fb557083aa63a3c518e97047234f6d7e2ee85c7b7c07a1b727afbca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/closure_example-dfbca238d1d30dcb)
[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" "17c8ccf51fb557083aa63a3c518e97047234f6d7e2ee85c7b7c07a1b727afbca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c8ccf51fb557083aa63a3c518e97047234f6d7e2ee85c7b7c07a1b727afbca", kill_on_drop: false }`
[INFO] [stdout] 17c8ccf51fb557083aa63a3c518e97047234f6d7e2ee85c7b7c07a1b727afbca