[INFO] cloning repository https://github.com/jaemk/rc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaemk/rc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99889f4e93817f951eb23df1b5f46280009f0206
[INFO] testing jaemk/rc against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaemk/rc 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/jaemk/rc
[INFO] finished tweaking git repo https://github.com/jaemk/rc
[INFO] tweaked toml for git repo https://github.com/jaemk/rc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jaemk/rc 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 18c0b6fbb879b344a20b3124b8387965cc147574b82dccda6a337ab993f913c0
[INFO] running `Command { std: "docker" "start" "-a" "18c0b6fbb879b344a20b3124b8387965cc147574b82dccda6a337ab993f913c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18c0b6fbb879b344a20b3124b8387965cc147574b82dccda6a337ab993f913c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18c0b6fbb879b344a20b3124b8387965cc147574b82dccda6a337ab993f913c0", kill_on_drop: false }`
[INFO] [stdout] 18c0b6fbb879b344a20b3124b8387965cc147574b82dccda6a337ab993f913c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 10eab068bfad66564c7a32548782f6f8895dcd17ffab838be0003eb93d706a6a
[INFO] running `Command { std: "docker" "start" "-a" "10eab068bfad66564c7a32548782f6f8895dcd17ffab838be0003eb93d706a6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling vec_map v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling clap v2.23.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling num-complex v0.1.37
[INFO] [stderr]    Compiling num-bigint v0.1.37
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling rc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.95s
[INFO] running `Command { std: "docker" "inspect" "10eab068bfad66564c7a32548782f6f8895dcd17ffab838be0003eb93d706a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10eab068bfad66564c7a32548782f6f8895dcd17ffab838be0003eb93d706a6a", kill_on_drop: false }`
[INFO] [stdout] 10eab068bfad66564c7a32548782f6f8895dcd17ffab838be0003eb93d706a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9e0418f7ab776c45fe320b61f4a066de76fb5b32361e5a1629e4467c4fc6558a
[INFO] running `Command { std: "docker" "start" "-a" "9e0418f7ab776c45fe320b61f4a066de76fb5b32361e5a1629e4467c4fc6558a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "9e0418f7ab776c45fe320b61f4a066de76fb5b32361e5a1629e4467c4fc6558a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0418f7ab776c45fe320b61f4a066de76fb5b32361e5a1629e4467c4fc6558a", kill_on_drop: false }`
[INFO] [stdout] 9e0418f7ab776c45fe320b61f4a066de76fb5b32361e5a1629e4467c4fc6558a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4fef7d0ebf5a1e9801af30e1cacb2f8859980e7b9bf9d734621f40edf82cac78
[INFO] running `Command { std: "docker" "start" "-a" "4fef7d0ebf5a1e9801af30e1cacb2f8859980e7b9bf9d734621f40edf82cac78", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rc-6d4e1355c3707a83)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rc-5c1ed0b5a9f50d9c)
[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] [stderr]    Doc-tests rc
[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" "4fef7d0ebf5a1e9801af30e1cacb2f8859980e7b9bf9d734621f40edf82cac78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fef7d0ebf5a1e9801af30e1cacb2f8859980e7b9bf9d734621f40edf82cac78", kill_on_drop: false }`
[INFO] [stdout] 4fef7d0ebf5a1e9801af30e1cacb2f8859980e7b9bf9d734621f40edf82cac78