[INFO] cloning repository https://github.com/erochest/straw-boss
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erochest/straw-boss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Fstraw-boss", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Fstraw-boss'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7eed4cb1b88978d9292396b622a40db78fc01a6
[INFO] documenting erochest/straw-boss 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%2Ferochest%2Fstraw-boss" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erochest/straw-boss 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] removed /workspace/builds/worker-11/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/erochest/straw-boss
[INFO] finished tweaking git repo https://github.com/erochest/straw-boss
[INFO] tweaked toml for git repo https://github.com/erochest/straw-boss written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/erochest/straw-boss 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] a85f7be48f2934fe018f11c4c9bb9fe47614a4a35c4b7a7d192e8b26fc1eab6a
[INFO] running `Command { std: "docker" "start" "-a" "a85f7be48f2934fe018f11c4c9bb9fe47614a4a35c4b7a7d192e8b26fc1eab6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a85f7be48f2934fe018f11c4c9bb9fe47614a4a35c4b7a7d192e8b26fc1eab6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a85f7be48f2934fe018f11c4c9bb9fe47614a4a35c4b7a7d192e8b26fc1eab6a", kill_on_drop: false }`
[INFO] [stdout] a85f7be48f2934fe018f11c4c9bb9fe47614a4a35c4b7a7d192e8b26fc1eab6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 3529610e476d59d669fe79a6f0b30339a54cc296a2de9489bf8509f1ccfd361e
[INFO] running `Command { std: "docker" "start" "-a" "3529610e476d59d669fe79a6f0b30339a54cc296a2de9489bf8509f1ccfd361e", 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]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling sysinfo v0.5.1
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking rustc-demangle v0.1.6
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking daemonize v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking shared_child v0.3.2
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking shellwords v0.1.0
[INFO] [stderr]     Checking os_pipe v0.6.1
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking duct v0.11.0
[INFO] [stderr]  Documenting straw-boss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_from)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(plugin)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(option_replace)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `straw-boss`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name straw_boss src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-7efd11dfa81ccd8c.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-8a3d1fc673e49eec.rmeta --extern daemonize=/opt/rustwide/target/debug/deps/libdaemonize-6789788562ff617a.rmeta --extern duct=/opt/rustwide/target/debug/deps/libduct-14b605226d969777.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-d070c9c0a8a3fd45.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-3f10c7c8bea01742.so --extern rmp_serde=/opt/rustwide/target/debug/deps/librmp_serde-726348e4ac4b90fa.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-de8eba2c3772f121.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-3ccb3d4845903106.so --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-4da3a516caac6725.rmeta --extern shellwords=/opt/rustwide/target/debug/deps/libshellwords-815c889f1097b5d0.rmeta --extern sysinfo=/opt/rustwide/target/debug/deps/libsysinfo-9b1cfea7d534044c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3529610e476d59d669fe79a6f0b30339a54cc296a2de9489bf8509f1ccfd361e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3529610e476d59d669fe79a6f0b30339a54cc296a2de9489bf8509f1ccfd361e", kill_on_drop: false }`
[INFO] [stdout] 3529610e476d59d669fe79a6f0b30339a54cc296a2de9489bf8509f1ccfd361e
