[INFO] cloning repository https://github.com/tiagonbotelho/referee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiagonbotelho/referee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiagonbotelho%2Freferee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiagonbotelho%2Freferee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9049ebc119a28fa589ef5bd5208afdad23bd2e6
[INFO] testing tiagonbotelho/referee against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiagonbotelho%2Freferee" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiagonbotelho/referee on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tiagonbotelho/referee
[INFO] finished tweaking git repo https://github.com/tiagonbotelho/referee
[INFO] tweaked toml for git repo https://github.com/tiagonbotelho/referee written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tiagonbotelho/referee already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57bd7975321729442fabe47fcc962d2c37b0039a9ee511e9de7399b92c99dcfa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "57bd7975321729442fabe47fcc962d2c37b0039a9ee511e9de7399b92c99dcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57bd7975321729442fabe47fcc962d2c37b0039a9ee511e9de7399b92c99dcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57bd7975321729442fabe47fcc962d2c37b0039a9ee511e9de7399b92c99dcfa", kill_on_drop: false }`
[INFO] [stdout] 57bd7975321729442fabe47fcc962d2c37b0039a9ee511e9de7399b92c99dcfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27e5c78b77b3e8ab82dca5d07dd730e512f1371c40c2a79913384d81a6c4b41e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "27e5c78b77b3e8ab82dca5d07dd730e512f1371c40c2a79913384d81a6c4b41e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.36
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio v0.2.23
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.9
[INFO] [stderr]    Compiling referee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "27e5c78b77b3e8ab82dca5d07dd730e512f1371c40c2a79913384d81a6c4b41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e5c78b77b3e8ab82dca5d07dd730e512f1371c40c2a79913384d81a6c4b41e", kill_on_drop: false }`
[INFO] [stdout] 27e5c78b77b3e8ab82dca5d07dd730e512f1371c40c2a79913384d81a6c4b41e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e85e680d290630fc7061ea237b5e362bdad69134818e0bba2144678dbf7c678
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9e85e680d290630fc7061ea237b5e362bdad69134818e0bba2144678dbf7c678", kill_on_drop: false }`
[INFO] [stderr]    Compiling referee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "9e85e680d290630fc7061ea237b5e362bdad69134818e0bba2144678dbf7c678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e85e680d290630fc7061ea237b5e362bdad69134818e0bba2144678dbf7c678", kill_on_drop: false }`
[INFO] [stdout] 9e85e680d290630fc7061ea237b5e362bdad69134818e0bba2144678dbf7c678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d17e16835445047bc77698b320e1f3a91a1e43adde43cc7a403809c2df9842b
[INFO] running `Command { std: "docker" "start" "-a" "1d17e16835445047bc77698b320e1f3a91a1e43adde43cc7a403809c2df9842b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/referee-bf86c90c4b31892a)
[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/referee-ff86dde6991bdbe0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests referee
[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] [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" "1d17e16835445047bc77698b320e1f3a91a1e43adde43cc7a403809c2df9842b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d17e16835445047bc77698b320e1f3a91a1e43adde43cc7a403809c2df9842b", kill_on_drop: false }`
[INFO] [stdout] 1d17e16835445047bc77698b320e1f3a91a1e43adde43cc7a403809c2df9842b