[INFO] fetching crate fozzie 1.6.0...
[INFO] documenting fozzie-1.6.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate fozzie 1.6.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate fozzie 1.6.0 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] started tweaking crates.io crate fozzie 1.6.0
[INFO] finished tweaking crates.io crate fozzie 1.6.0
[INFO] tweaked toml for crates.io crate fozzie 1.6.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate fozzie 1.6.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_more v0.14.1
[INFO] [stderr]   Downloaded errno v0.3.4
[INFO] [stderr]   Downloaded rustix v0.37.24
[INFO] [stderr]   Downloaded regex-automata v0.3.9
[INFO] [stderr]   Downloaded regex v1.9.6
[INFO] [stderr]   Downloaded raw_tty v0.1.0
[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] b6d35009752f0186d280e76187643fd780870a34d7cc267e012e927170797692
[INFO] running `Command { std: "docker" "start" "-a" "b6d35009752f0186d280e76187643fd780870a34d7cc267e012e927170797692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6d35009752f0186d280e76187643fd780870a34d7cc267e012e927170797692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d35009752f0186d280e76187643fd780870a34d7cc267e012e927170797692", kill_on_drop: false }`
[INFO] [stdout] b6d35009752f0186d280e76187643fd780870a34d7cc267e012e927170797692
[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] c00650fe1b791b3758d86f62093647c6a7af7539aeed9f5f42a8156eb378f5ff
[INFO] running `Command { std: "docker" "start" "-a" "c00650fe1b791b3758d86f62093647c6a7af7539aeed9f5f42a8156eb378f5ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling rustix v0.37.24
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling terminal_size v0.2.6
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling fozzie v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking raw_tty v0.1.0
[INFO] [stderr]  Documenting fozzie v1.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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 `fozzie`
[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=2021 --crate-type lib --crate-name fozzie src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6ff78224e3067f2f -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-552c160cbe30d376.rmeta --extern float_cmp=/opt/rustwide/target/debug/deps/libfloat_cmp-772962331e1df560.rmeta --extern raw_tty=/opt/rustwide/target/debug/deps/libraw_tty-81d002bb3fb933e1.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-f3eb51f79cc93a1c.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f00ad58a07c1a37d.rmeta --extern terminal_size=/opt/rustwide/target/debug/deps/libterminal_size-1eb6c7d721807500.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-2bde37fb96e09210.rmeta --cap-lints=warn --crate-version 1.6.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c00650fe1b791b3758d86f62093647c6a7af7539aeed9f5f42a8156eb378f5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00650fe1b791b3758d86f62093647c6a7af7539aeed9f5f42a8156eb378f5ff", kill_on_drop: false }`
[INFO] [stdout] c00650fe1b791b3758d86f62093647c6a7af7539aeed9f5f42a8156eb378f5ff
