[INFO] fetching crate fozzie 1.6.0...
[INFO] documenting fozzie-1.6.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate fozzie 1.6.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate fozzie 1.6.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-6-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" "+1.76.0" "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 rustix v0.37.24
[INFO] [stderr]   Downloaded raw_tty v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09568f54207d47828bc7a70d0a1ddb0ffab8c4abda65afd34cd8836203514a88
[INFO] running `Command { std: "docker" "start" "-a" "09568f54207d47828bc7a70d0a1ddb0ffab8c4abda65afd34cd8836203514a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09568f54207d47828bc7a70d0a1ddb0ffab8c4abda65afd34cd8836203514a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09568f54207d47828bc7a70d0a1ddb0ffab8c4abda65afd34cd8836203514a88", kill_on_drop: false }`
[INFO] [stdout] 09568f54207d47828bc7a70d0a1ddb0ffab8c4abda65afd34cd8836203514a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88924b76d50fd1ae8efbe824bbadb1bddaa0385e174dce58adab946caa99241f
[INFO] running `Command { std: "docker" "start" "-a" "88924b76d50fd1ae8efbe824bbadb1bddaa0385e174dce58adab946caa99241f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling rustix v0.37.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[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 textwrap v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]    Compiling terminal_size v0.2.6
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking raw_tty v0.1.0
[INFO] [stderr]    Compiling fozzie v1.6.0 (/opt/rustwide/workdir)
[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 1 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/1.76.0-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=c710efeaa0889d86 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-0f29c7e467d5a870.rmeta --extern float_cmp=/opt/rustwide/target/debug/deps/libfloat_cmp-b8ee3010359a630f.rmeta --extern raw_tty=/opt/rustwide/target/debug/deps/libraw_tty-90d7d70527a4ec0e.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-1d16f92f66da87ed.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-e95d8bbe1d530816.rmeta --extern terminal_size=/opt/rustwide/target/debug/deps/libterminal_size-3919559f4f05cbc9.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-18f6676fe0bb5ae2.rmeta --cap-lints=warn --crate-version 1.6.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "88924b76d50fd1ae8efbe824bbadb1bddaa0385e174dce58adab946caa99241f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88924b76d50fd1ae8efbe824bbadb1bddaa0385e174dce58adab946caa99241f", kill_on_drop: false }`
[INFO] [stdout] 88924b76d50fd1ae8efbe824bbadb1bddaa0385e174dce58adab946caa99241f
