[INFO] cloning repository https://github.com/mickjohn/red_or_black
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mickjohn/red_or_black" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmickjohn%2Fred_or_black", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmickjohn%2Fred_or_black'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] faef532853b7e969b3848e32baa09297393749d9
[INFO] checking mickjohn/red_or_black against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmickjohn%2Fred_or_black" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mickjohn/red_or_black on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mickjohn/red_or_black
[INFO] finished tweaking git repo https://github.com/mickjohn/red_or_black
[INFO] tweaked toml for git repo https://github.com/mickjohn/red_or_black written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mickjohn/red_or_black already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ws v0.7.8
[INFO] [stderr]   Downloaded serde_json v1.0.27
[INFO] [stderr]   Downloaded serde_derive v1.0.78
[INFO] [stderr]   Downloaded lazycell v1.1.0
[INFO] [stderr]   Downloaded serde v1.0.78
[INFO] [stderr]   Downloaded syn v0.15.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", 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] ea39d1cfe0dd6a7cc7440a5534e349c1afc7b61bb9d690ba044871f285667064
[INFO] running `Command { std: "docker" "start" "-a" "ea39d1cfe0dd6a7cc7440a5534e349c1afc7b61bb9d690ba044871f285667064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea39d1cfe0dd6a7cc7440a5534e349c1afc7b61bb9d690ba044871f285667064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea39d1cfe0dd6a7cc7440a5534e349c1afc7b61bb9d690ba044871f285667064", kill_on_drop: false }`
[INFO] [stdout] ea39d1cfe0dd6a7cc7440a5534e349c1afc7b61bb9d690ba044871f285667064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b769ce804c89f9f60716536f7638d302eb52034bc3c67fa3e298d9821f95c727
[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" "b769ce804c89f9f60716536f7638d302eb52034bc3c67fa3e298d9821f95c727", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking lazycell v1.1.0
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking ws v0.7.8
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]     Checking serde_json v1.0.27
[INFO] [stderr]     Checking websocket_red_or_black v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.05s
[INFO] running `Command { std: "docker" "inspect" "b769ce804c89f9f60716536f7638d302eb52034bc3c67fa3e298d9821f95c727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b769ce804c89f9f60716536f7638d302eb52034bc3c67fa3e298d9821f95c727", kill_on_drop: false }`
[INFO] [stdout] b769ce804c89f9f60716536f7638d302eb52034bc3c67fa3e298d9821f95c727