[INFO] fetching crate oursh 0.4.4...
[INFO] documenting oursh-0.4.4 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate oursh 0.4.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate oursh 0.4.4 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate oursh 0.4.4
[INFO] finished tweaking crates.io crate oursh 0.4.4
[INFO] tweaked toml for crates.io crate oursh 0.4.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate oursh 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustix v0.37.13
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2b4dd1f63d12613b0bef5218dea4a3d8be6528a4be35e315e225faf2eccee9d
[INFO] running `Command { std: "docker" "start" "-a" "b2b4dd1f63d12613b0bef5218dea4a3d8be6528a4be35e315e225faf2eccee9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2b4dd1f63d12613b0bef5218dea4a3d8be6528a4be35e315e225faf2eccee9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b4dd1f63d12613b0bef5218dea4a3d8be6528a4be35e315e225faf2eccee9d", kill_on_drop: false }`
[INFO] [stdout] b2b4dd1f63d12613b0bef5218dea4a3d8be6528a4be35e315e225faf2eccee9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c59a621fd517e8d986850c00e2e3e246c3558d4bde8692f3ed20af13cb938d35
[INFO] running `Command { std: "docker" "start" "-a" "c59a621fd517e8d986850c00e2e3e246c3558d4bde8692f3ed20af13cb938d35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling rustix v0.37.13
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling linux-raw-sys v0.3.3
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling lalrpop-util v0.19.9
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling lalrpop v0.19.9
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking ctrlc v3.2.5
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking pwd v1.4.0
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]    Compiling oursh v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting oursh v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | #![feature(box_patterns)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `oursh`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name oursh src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="raw"' --cfg 'feature="shebang-block"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9c5db9355569e52a -L dependency=/opt/rustwide/target/debug/deps --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-0ac2a0fc2a231b05.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-7ff9a0191ccf3fe4.rmeta --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-e7df3237eab54076.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-05093dfe0de584d9.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-7c15a21e9530ef6c.rmeta --extern pwd=/opt/rustwide/target/debug/deps/libpwd-8c6e0ef5bb1941fc.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-b0f01e337cd8a46c.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-ee812614755770a6.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-4cd67e43d4d7923f.rmeta --cap-lints=warn --crate-version 0.4.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c59a621fd517e8d986850c00e2e3e246c3558d4bde8692f3ed20af13cb938d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59a621fd517e8d986850c00e2e3e246c3558d4bde8692f3ed20af13cb938d35", kill_on_drop: false }`
[INFO] [stdout] c59a621fd517e8d986850c00e2e3e246c3558d4bde8692f3ed20af13cb938d35
