[INFO] cloning repository https://github.com/andyyu2004/cir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andyyu2004/cir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyyu2004%2Fcir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyyu2004%2Fcir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c6afa11d1c8ac15c10399df691917f48d7ca34b
[INFO] documenting andyyu2004/cir against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyyu2004%2Fcir" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andyyu2004/cir on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andyyu2004/cir
[INFO] finished tweaking git repo https://github.com/andyyu2004/cir
[INFO] tweaked toml for git repo https://github.com/andyyu2004/cir written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/andyyu2004/cir already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 peg-runtime v0.7.0
[INFO] [stderr]   Downloaded codespan v0.11.1
[INFO] [stderr]   Downloaded smol_str v0.1.21
[INFO] [stderr]   Downloaded peg v0.7.0
[INFO] [stderr]   Downloaded peg-macros v0.7.0
[INFO] [stderr]   Downloaded dissimilar v1.0.3
[INFO] [stderr]   Downloaded la-arena v0.2.1
[INFO] [stderr]   Downloaded expect-test v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab5a9b61bbefb8797ada0a0ee669c8b27b388ab1175f73aed2ef2b00995fd07e
[INFO] running `Command { std: "docker" "start" "-a" "ab5a9b61bbefb8797ada0a0ee669c8b27b388ab1175f73aed2ef2b00995fd07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5a9b61bbefb8797ada0a0ee669c8b27b388ab1175f73aed2ef2b00995fd07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5a9b61bbefb8797ada0a0ee669c8b27b388ab1175f73aed2ef2b00995fd07e", kill_on_drop: false }`
[INFO] [stdout] ab5a9b61bbefb8797ada0a0ee669c8b27b388ab1175f73aed2ef2b00995fd07e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fa14fcaa31c40d65a5ffee792fe8ce37ff6a232a123d2d984c65d152b23af6c
[INFO] running `Command { std: "docker" "start" "-a" "0fa14fcaa31c40d65a5ffee792fe8ce37ff6a232a123d2d984c65d152b23af6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]     Checking la-arena v0.2.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking smol_str v0.1.21
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking codespan v0.11.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]     Checking peg v0.7.0
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking cir v0.1.0 (/opt/rustwide/workdir/src/cir)
[INFO] [stderr]  Documenting cir v0.1.0 (/opt/rustwide/workdir/src/cir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/cir/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cir` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/cir/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `cir`
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name cir src/cir/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fd741500ecc49bbe -L dependency=/opt/rustwide/target/debug/deps --extern codespan=/opt/rustwide/target/debug/deps/libcodespan-64870fd8d3e2a6c1.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-2ae34ef5f39b4ff6.rmeta --extern la_arena=/opt/rustwide/target/debug/deps/libla_arena-71a0a5e2bbe35472.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-924c1058892d9908.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-676ad07589cad1a8.rmeta --extern smol_str=/opt/rustwide/target/debug/deps/libsmol_str-7e95204331c6ca89.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0fa14fcaa31c40d65a5ffee792fe8ce37ff6a232a123d2d984c65d152b23af6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa14fcaa31c40d65a5ffee792fe8ce37ff6a232a123d2d984c65d152b23af6c", kill_on_drop: false }`
[INFO] [stdout] 0fa14fcaa31c40d65a5ffee792fe8ce37ff6a232a123d2d984c65d152b23af6c