[INFO] cloning repository https://github.com/monocasa/ani_core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/monocasa/ani_core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonocasa%2Fani_core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonocasa%2Fani_core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad5c59fb36bcbb1aebc411178ee28dae1138475b
[INFO] documenting monocasa/ani_core 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%2Fmonocasa%2Fani_core" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/monocasa/ani_core 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/monocasa/ani_core
[INFO] finished tweaking git repo https://github.com/monocasa/ani_core
[INFO] tweaked toml for git repo https://github.com/monocasa/ani_core written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/monocasa/ani_core 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9e7875cffb6466792ffa80702bcd53d13a0adb8b668c91b7feebffdd0d55a634
[INFO] running `Command { std: "docker" "start" "-a" "9e7875cffb6466792ffa80702bcd53d13a0adb8b668c91b7feebffdd0d55a634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e7875cffb6466792ffa80702bcd53d13a0adb8b668c91b7feebffdd0d55a634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7875cffb6466792ffa80702bcd53d13a0adb8b668c91b7feebffdd0d55a634", kill_on_drop: false }`
[INFO] [stdout] 9e7875cffb6466792ffa80702bcd53d13a0adb8b668c91b7feebffdd0d55a634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] e48a016d38a040e1a535ba0a7ebc3566635967c8f04daa875c2210c8800f8b6d
[INFO] running `Command { std: "docker" "start" "-a" "e48a016d38a040e1a535ba0a7ebc3566635967c8f04daa875c2210c8800f8b6d", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking opcode v0.1.0 (https://github.com/monocasa/opcode.git#05938f9c)
[INFO] [stderr]     Checking libc v0.2.15
[INFO] [stderr]  Documenting ani_core 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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `ani_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name ani_core 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 bitflags=/opt/rustwide/target/debug/deps/libbitflags-18c1da2868d00513.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0ec89da00295601c.rmeta --extern opcode=/opt/rustwide/target/debug/deps/libopcode-c10eb5247d296b55.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e48a016d38a040e1a535ba0a7ebc3566635967c8f04daa875c2210c8800f8b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48a016d38a040e1a535ba0a7ebc3566635967c8f04daa875c2210c8800f8b6d", kill_on_drop: false }`
[INFO] [stdout] e48a016d38a040e1a535ba0a7ebc3566635967c8f04daa875c2210c8800f8b6d
