[INFO] cloning repository https://github.com/luser/test-panic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luser/test-panic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Ftest-panic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Ftest-panic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f8d9f9faeaa9d51ee7c86f9fc425103084e2d68
[INFO] testing luser/test-panic against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Ftest-panic" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luser/test-panic 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/luser/test-panic
[INFO] finished tweaking git repo https://github.com/luser/test-panic
[INFO] tweaked toml for git repo https://github.com/luser/test-panic written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/luser/test-panic 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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] e7b23dc1e4d8dc1b8d745a43d3580c66ebb9a8116d2d7755b91b2e43d4b8594c
[INFO] running `Command { std: "docker" "start" "-a" "e7b23dc1e4d8dc1b8d745a43d3580c66ebb9a8116d2d7755b91b2e43d4b8594c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7b23dc1e4d8dc1b8d745a43d3580c66ebb9a8116d2d7755b91b2e43d4b8594c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b23dc1e4d8dc1b8d745a43d3580c66ebb9a8116d2d7755b91b2e43d4b8594c", kill_on_drop: false }`
[INFO] [stdout] e7b23dc1e4d8dc1b8d745a43d3580c66ebb9a8116d2d7755b91b2e43d4b8594c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 209aab87234cecee812511e986cd968ea602384d3d409d1ba2ece5eb802724d9
[INFO] running `Command { std: "docker" "start" "-a" "209aab87234cecee812511e986cd968ea602384d3d409d1ba2ece5eb802724d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling test-panic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "209aab87234cecee812511e986cd968ea602384d3d409d1ba2ece5eb802724d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209aab87234cecee812511e986cd968ea602384d3d409d1ba2ece5eb802724d9", kill_on_drop: false }`
[INFO] [stdout] 209aab87234cecee812511e986cd968ea602384d3d409d1ba2ece5eb802724d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] a14b69b83f29e326fb4db9ecd705ee35b2cf7eb9ebe7e4ae463e5166c333bb62
[INFO] running `Command { std: "docker" "start" "-a" "a14b69b83f29e326fb4db9ecd705ee35b2cf7eb9ebe7e4ae463e5166c333bb62", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling test-panic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "a14b69b83f29e326fb4db9ecd705ee35b2cf7eb9ebe7e4ae463e5166c333bb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14b69b83f29e326fb4db9ecd705ee35b2cf7eb9ebe7e4ae463e5166c333bb62", kill_on_drop: false }`
[INFO] [stdout] a14b69b83f29e326fb4db9ecd705ee35b2cf7eb9ebe7e4ae463e5166c333bb62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 8b48024c75d3c913cb435d57ab3eed93c9b049de8fe6313fc72c374cfada68ae
[INFO] running `Command { std: "docker" "start" "-a" "8b48024c75d3c913cb435d57ab3eed93c9b049de8fe6313fc72c374cfada68ae", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_panic-a404947017ecb37f)
[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" "8b48024c75d3c913cb435d57ab3eed93c9b049de8fe6313fc72c374cfada68ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b48024c75d3c913cb435d57ab3eed93c9b049de8fe6313fc72c374cfada68ae", kill_on_drop: false }`
[INFO] [stdout] 8b48024c75d3c913cb435d57ab3eed93c9b049de8fe6313fc72c374cfada68ae