[INFO] cloning repository https://github.com/colemickens/chefi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colemickens/chefi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolemickens%2Fchefi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolemickens%2Fchefi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d479f69ad993b6d58cb84c61a036a413cfab66c
[INFO] documenting colemickens/chefi against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolemickens%2Fchefi" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/colemickens/chefi on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/colemickens/chefi
[INFO] finished tweaking git repo https://github.com/colemickens/chefi
[INFO] tweaked toml for git repo https://github.com/colemickens/chefi written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/colemickens/chefi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio-proto`
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio-service`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v0.8.21
[INFO] [stderr]   Downloaded sequence_trie v0.0.13
[INFO] [stderr]   Downloaded term_size v0.2.1
[INFO] [stderr]   Downloaded gcc v0.3.41
[INFO] [stderr]   Downloaded error-chain v0.7.2
[INFO] [stderr]   Downloaded tokio v0.0.0
[INFO] [stderr]   Downloaded mio v0.6.2
[INFO] [stderr]   Downloaded num_cpus v0.2.13
[INFO] [stderr]   Downloaded slog-stream v1.2.0
[INFO] [stderr]   Downloaded iron v0.4.0
[INFO] [stderr]   Downloaded slog-json v1.2.1
[INFO] [stderr]   Downloaded slog-term v1.3.4
[INFO] [stderr]   Downloaded hyper v0.9.14
[INFO] [stderr]   Downloaded slog v1.4.0
[INFO] [stderr]   Downloaded mount v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.19
[INFO] [stderr]   Downloaded url v1.2.4
[INFO] [stderr]   Downloaded futures v0.1.7
[INFO] [stderr]   Downloaded tokio-core v0.1.2
[INFO] [stderr]   Downloaded backtrace v0.3.0
[INFO] [stderr]   Downloaded slog-serde v1.0.0-alpha9
[INFO] [stderr]   Downloaded staticfile v0.3.1
[INFO] [stderr]   Downloaded slog-extra v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49ed2a1ce0d7e960b66ab807f28a451af15d61c3fab8415e73b8999dfc9987f1
[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" "49ed2a1ce0d7e960b66ab807f28a451af15d61c3fab8415e73b8999dfc9987f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49ed2a1ce0d7e960b66ab807f28a451af15d61c3fab8415e73b8999dfc9987f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ed2a1ce0d7e960b66ab807f28a451af15d61c3fab8415e73b8999dfc9987f1", kill_on_drop: false }`
[INFO] [stdout] 49ed2a1ce0d7e960b66ab807f28a451af15d61c3fab8415e73b8999dfc9987f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb9067d79d175d10be6455392a06d9118609de85f5687380fc7f46993b920dc6
[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" "bb9067d79d175d10be6455392a06d9118609de85f5687380fc7f46993b920dc6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]     Checking slog v1.4.0
[INFO] [stderr]     Checking serde v0.8.21
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking sequence_trie v0.0.13
[INFO] [stderr]     Checking tokio v0.0.0
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking isatty v0.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking futures v0.1.7
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.3.2
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stdout] error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.4.0/src/ser.rs:228:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {}
[INFO] [stdout]     |                                 ---- required by this bound in `SyncSerialize`
[INFO] [stdout] ...
[INFO] [stdout] 228 | impl SyncSerialize for fmt::Arguments<'static> {}
[INFO] [stdout]     |      ^^^^^^^^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Arguments<'static>`, the trait `Sync` is not implemented for `core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `&'static core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `ArgumentV1<'static>`
[INFO] [stdout]     = note: required because it appears within the type `[ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `&'static [ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `Arguments<'static>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bb9067d79d175d10be6455392a06d9118609de85f5687380fc7f46993b920dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9067d79d175d10be6455392a06d9118609de85f5687380fc7f46993b920dc6", kill_on_drop: false }`
[INFO] [stdout] bb9067d79d175d10be6455392a06d9118609de85f5687380fc7f46993b920dc6
