[INFO] cloning repository https://github.com/WiSaGaN/muc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WiSaGaN/muc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiSaGaN%2Fmuc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiSaGaN%2Fmuc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e26fb6e9be18eb87cbcb7973d85f41a48b668b8
[INFO] testing WiSaGaN/muc against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiSaGaN%2Fmuc" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WiSaGaN/muc 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/WiSaGaN/muc
[INFO] finished tweaking git repo https://github.com/WiSaGaN/muc
[INFO] tweaked toml for git repo https://github.com/WiSaGaN/muc written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/WiSaGaN/muc 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6c7c7c5541f951bb649dc3e8b4df308ab45c57e9099713ba9784c0892a6d083f
[INFO] running `Command { std: "docker" "start" "-a" "6c7c7c5541f951bb649dc3e8b4df308ab45c57e9099713ba9784c0892a6d083f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c7c7c5541f951bb649dc3e8b4df308ab45c57e9099713ba9784c0892a6d083f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7c7c5541f951bb649dc3e8b4df308ab45c57e9099713ba9784c0892a6d083f", kill_on_drop: false }`
[INFO] [stdout] 6c7c7c5541f951bb649dc3e8b4df308ab45c57e9099713ba9784c0892a6d083f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 5ad0c1c945a2fc1e8a274d568f68e61dc14bb2e64f90edbfc2e6dd02f4331f43
[INFO] running `Command { std: "docker" "start" "-a" "5ad0c1c945a2fc1e8a274d568f68e61dc14bb2e64f90edbfc2e6dd02f4331f43", 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] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling muc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `Command { std: "docker" "inspect" "5ad0c1c945a2fc1e8a274d568f68e61dc14bb2e64f90edbfc2e6dd02f4331f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad0c1c945a2fc1e8a274d568f68e61dc14bb2e64f90edbfc2e6dd02f4331f43", kill_on_drop: false }`
[INFO] [stdout] 5ad0c1c945a2fc1e8a274d568f68e61dc14bb2e64f90edbfc2e6dd02f4331f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ae2556d3e2afea3938f12ab917fd267866d0467efb12ada80f3367ab6d4efdaf
[INFO] running `Command { std: "docker" "start" "-a" "ae2556d3e2afea3938f12ab917fd267866d0467efb12ada80f3367ab6d4efdaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling muc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "ae2556d3e2afea3938f12ab917fd267866d0467efb12ada80f3367ab6d4efdaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2556d3e2afea3938f12ab917fd267866d0467efb12ada80f3367ab6d4efdaf", kill_on_drop: false }`
[INFO] [stdout] ae2556d3e2afea3938f12ab917fd267866d0467efb12ada80f3367ab6d4efdaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] b6f3dbe17a116bac62a6a08f7083b7e218df8b91aeaea9f10a953012fc9cf196
[INFO] running `Command { std: "docker" "start" "-a" "b6f3dbe17a116bac62a6a08f7083b7e218df8b91aeaea9f10a953012fc9cf196", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/muc-629dcd8dfb732fab)
[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" "b6f3dbe17a116bac62a6a08f7083b7e218df8b91aeaea9f10a953012fc9cf196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f3dbe17a116bac62a6a08f7083b7e218df8b91aeaea9f10a953012fc9cf196", kill_on_drop: false }`
[INFO] [stdout] b6f3dbe17a116bac62a6a08f7083b7e218df8b91aeaea9f10a953012fc9cf196