[INFO] fetching crate binjs_io 0.2.1...
[INFO] documenting binjs_io-0.2.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate binjs_io 0.2.1 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate binjs_io 0.2.1 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 binjs_io 0.2.1
[INFO] finished tweaking crates.io crate binjs_io 0.2.1
[INFO] tweaked toml for crates.io crate binjs_io 0.2.1 written to /workspace/builds/worker-21/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded binjs_shared v0.1.1
[INFO] [stderr]   Downloaded range-encoding v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] d2454620791cb3a9bdf9f63ff91cb7a195ac1f64faae6b8d4ab86b09a4b30a1d
[INFO] running `Command { std: "docker" "start" "-a" "d2454620791cb3a9bdf9f63ff91cb7a195ac1f64faae6b8d4ab86b09a4b30a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2454620791cb3a9bdf9f63ff91cb7a195ac1f64faae6b8d4ab86b09a4b30a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2454620791cb3a9bdf9f63ff91cb7a195ac1f64faae6b8d4ab86b09a4b30a1d", kill_on_drop: false }`
[INFO] [stdout] d2454620791cb3a9bdf9f63ff91cb7a195ac1f64faae6b8d4ab86b09a4b30a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 347f5b6ab4fc5ae00db047856de666418016951f356a643fd453b6b8d08793a9
[INFO] running `Command { std: "docker" "start" "-a" "347f5b6ab4fc5ae00db047856de666418016951f356a643fd453b6b8d08793a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking range-encoding v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking brotli v3.3.2
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking binjs_shared v0.1.1
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]  Documenting binjs_io v0.2.1 (/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(box_patterns)]
[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(vec_resize_default)]
[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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `binjs_io`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name binjs_io 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 bincode=/opt/rustwide/target/debug/deps/libbincode-0547e447648be4ee.rmeta --extern binjs_shared=/opt/rustwide/target/debug/deps/libbinjs_shared-5abf8d77b26eab90.rmeta --extern brotli=/opt/rustwide/target/debug/deps/libbrotli-cf669198f705b467.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-8470f762d4b535ec.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-2a3c43ee2ea06186.so --extern flate2=/opt/rustwide/target/debug/deps/libflate2-e46d5f02466b62fa.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-a52087cf878c0c78.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f8abb66ffc16068c.rmeta --extern lzw=/opt/rustwide/target/debug/deps/liblzw-9ff17291574f531a.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a5f0ce24ee8cb8fa.rmeta --extern range_encoding=/opt/rustwide/target/debug/deps/librange_encoding-1604469fbbfc7bf9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5678c1422d6b64cb.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-05e319b971c8ec6f.so --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-036eecef551b0592.rmeta --extern xml=/opt/rustwide/target/debug/deps/libxml-8d380a9b8b48d1b0.rmeta --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "347f5b6ab4fc5ae00db047856de666418016951f356a643fd453b6b8d08793a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347f5b6ab4fc5ae00db047856de666418016951f356a643fd453b6b8d08793a9", kill_on_drop: false }`
[INFO] [stdout] 347f5b6ab4fc5ae00db047856de666418016951f356a643fd453b6b8d08793a9
