[INFO] fetching crate cargo-name 1.0.1...
[INFO] documenting cargo-name-1.0.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate cargo-name 1.0.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate cargo-name 1.0.1 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 crates.io crate cargo-name 1.0.1
[INFO] finished tweaking crates.io crate cargo-name 1.0.1
[INFO] tweaked toml for crates.io crate cargo-name 1.0.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 258c07b2a91f80fd797254528c053c6a62e883b6bc1b252bb36e2aaa44a28299
[INFO] running `Command { std: "docker" "start" "-a" "258c07b2a91f80fd797254528c053c6a62e883b6bc1b252bb36e2aaa44a28299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258c07b2a91f80fd797254528c053c6a62e883b6bc1b252bb36e2aaa44a28299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258c07b2a91f80fd797254528c053c6a62e883b6bc1b252bb36e2aaa44a28299", kill_on_drop: false }`
[INFO] [stdout] 258c07b2a91f80fd797254528c053c6a62e883b6bc1b252bb36e2aaa44a28299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 039441a4377f9578cc18a4c35507629d0c78f877e2633cf5b3390893d42e7df4
[INFO] running `Command { std: "docker" "start" "-a" "039441a4377f9578cc18a4c35507629d0c78f877e2633cf5b3390893d42e7df4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.36
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr]     Checking quicli v0.3.1
[INFO] [stderr]  Documenting cargo-name v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(external_doc)]
[INFO] [stdout]   |            ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[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(external_doc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `cargo-name`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name cargo_name 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 failure=/opt/rustwide/target/debug/deps/libfailure-7b50184a627775cc.rmeta --extern quicli=/opt/rustwide/target/debug/deps/libquicli-a08a4b99a891cdb2.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-d4461419cdffb093.rmeta --cap-lints=warn --crate-version 1.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "039441a4377f9578cc18a4c35507629d0c78f877e2633cf5b3390893d42e7df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039441a4377f9578cc18a4c35507629d0c78f877e2633cf5b3390893d42e7df4", kill_on_drop: false }`
[INFO] [stdout] 039441a4377f9578cc18a4c35507629d0c78f877e2633cf5b3390893d42e7df4
