[INFO] cloning repository https://github.com/mehcode/lintel-nes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehcode/lintel-nes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehcode%2Flintel-nes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehcode%2Flintel-nes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbc2385fdf8ebd3a6a31bbd8f7dd044b307f6dd3
[INFO] documenting mehcode/lintel-nes 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%2Fmehcode%2Flintel-nes" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mehcode/lintel-nes 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/mehcode/lintel-nes
[INFO] finished tweaking git repo https://github.com/mehcode/lintel-nes
[INFO] tweaked toml for git repo https://github.com/mehcode/lintel-nes written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/mehcode/lintel-nes 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 8ac5e553cab46584210fadfe6c18deaad4e67397c142ad4191b44b1f95dcb83c
[INFO] running `Command { std: "docker" "start" "-a" "8ac5e553cab46584210fadfe6c18deaad4e67397c142ad4191b44b1f95dcb83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ac5e553cab46584210fadfe6c18deaad4e67397c142ad4191b44b1f95dcb83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac5e553cab46584210fadfe6c18deaad4e67397c142ad4191b44b1f95dcb83c", kill_on_drop: false }`
[INFO] [stdout] 8ac5e553cab46584210fadfe6c18deaad4e67397c142ad4191b44b1f95dcb83c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] b960773584dcd638c52529125d5ff03ef239eba97b133414a4002b8315bf0892
[INFO] running `Command { std: "docker" "start" "-a" "b960773584dcd638c52529125d5ff03ef239eba97b133414a4002b8315bf0892", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking strfmt v0.1.5
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking sdl2 v0.27.2
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]  Documenting lintel_nes v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(range_contains)]
[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 `lintel_nes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name lintel_nes src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6550e4c68351ae24.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-419d6ad06eaaade2.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f91776d6c8c97fdb.rmeta --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-088da2e01ad4ceaa.rmeta --extern strfmt=/opt/rustwide/target/debug/deps/libstrfmt-c0cdd4dc29749fc4.rmeta --cap-lints=warn --crate-version 0.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b960773584dcd638c52529125d5ff03ef239eba97b133414a4002b8315bf0892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b960773584dcd638c52529125d5ff03ef239eba97b133414a4002b8315bf0892", kill_on_drop: false }`
[INFO] [stdout] b960773584dcd638c52529125d5ff03ef239eba97b133414a4002b8315bf0892
