[INFO] cloning repository https://github.com/rcook/rust-expr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rcook/rust-expr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcook%2Frust-expr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcook%2Frust-expr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 386713d3f24daa9ec543e75e4be9459946cf3254
[INFO] testing rcook/rust-expr against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcook%2Frust-expr" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rcook/rust-expr 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/rcook/rust-expr
[INFO] finished tweaking git repo https://github.com/rcook/rust-expr
[INFO] tweaked toml for git repo https://github.com/rcook/rust-expr written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/rcook/rust-expr 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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 983d8bda38e890a29f4879cadfe33ce0c31b92e4e9d9f5bc65348d0cac5cb727
[INFO] running `Command { std: "docker" "start" "-a" "983d8bda38e890a29f4879cadfe33ce0c31b92e4e9d9f5bc65348d0cac5cb727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "983d8bda38e890a29f4879cadfe33ce0c31b92e4e9d9f5bc65348d0cac5cb727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "983d8bda38e890a29f4879cadfe33ce0c31b92e4e9d9f5bc65348d0cac5cb727", kill_on_drop: false }`
[INFO] [stdout] 983d8bda38e890a29f4879cadfe33ce0c31b92e4e9d9f5bc65348d0cac5cb727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 2ecc1706ad3ebb2caa15a427165c18d96efbda0720202c5901ff8ea99ffffa6a
[INFO] running `Command { std: "docker" "start" "-a" "2ecc1706ad3ebb2caa15a427165c18d96efbda0720202c5901ff8ea99ffffa6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-expr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "2ecc1706ad3ebb2caa15a427165c18d96efbda0720202c5901ff8ea99ffffa6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ecc1706ad3ebb2caa15a427165c18d96efbda0720202c5901ff8ea99ffffa6a", kill_on_drop: false }`
[INFO] [stdout] 2ecc1706ad3ebb2caa15a427165c18d96efbda0720202c5901ff8ea99ffffa6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 77b4c1c3a84417a45f050967c5537e3b42f7e8cc662bd84045d7e3d9191300a0
[INFO] running `Command { std: "docker" "start" "-a" "77b4c1c3a84417a45f050967c5537e3b42f7e8cc662bd84045d7e3d9191300a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-expr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "77b4c1c3a84417a45f050967c5537e3b42f7e8cc662bd84045d7e3d9191300a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b4c1c3a84417a45f050967c5537e3b42f7e8cc662bd84045d7e3d9191300a0", kill_on_drop: false }`
[INFO] [stdout] 77b4c1c3a84417a45f050967c5537e3b42f7e8cc662bd84045d7e3d9191300a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 85592882dadbc68837bf41bc4ec59873b937eb2a5cc0c3d3e0d4a5023c12c0f8
[INFO] running `Command { std: "docker" "start" "-a" "85592882dadbc68837bf41bc4ec59873b937eb2a5cc0c3d3e0d4a5023c12c0f8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_expr-261725f076b2963d)
[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" "85592882dadbc68837bf41bc4ec59873b937eb2a5cc0c3d3e0d4a5023c12c0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85592882dadbc68837bf41bc4ec59873b937eb2a5cc0c3d3e0d4a5023c12c0f8", kill_on_drop: false }`
[INFO] [stdout] 85592882dadbc68837bf41bc4ec59873b937eb2a5cc0c3d3e0d4a5023c12c0f8