[INFO] fetching crate hvm 1.0.10...
[INFO] documenting hvm-1.0.10 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate hvm 1.0.10 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate hvm 1.0.10 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] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate hvm 1.0.10
[INFO] finished tweaking crates.io crate hvm 1.0.10
[INFO] tweaked toml for crates.io crate hvm 1.0.10 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate hvm 1.0.10 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 HOPA v0.1.2
[INFO] [stderr]   Downloaded highlight_error v0.1.1
[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] 8ea51c041d022d340c2c3596dbbb42155e1d16c74003936b9391366694ccd750
[INFO] running `Command { std: "docker" "start" "-a" "8ea51c041d022d340c2c3596dbbb42155e1d16c74003936b9391366694ccd750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ea51c041d022d340c2c3596dbbb42155e1d16c74003936b9391366694ccd750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea51c041d022d340c2c3596dbbb42155e1d16c74003936b9391366694ccd750", kill_on_drop: false }`
[INFO] [stdout] 8ea51c041d022d340c2c3596dbbb42155e1d16c74003936b9391366694ccd750
[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] d107a852934f18408186568e295f6ba77e8a8dae73cfa995af897d732e26b6ca
[INFO] running `Command { std: "docker" "start" "-a" "d107a852934f18408186568e295f6ba77e8a8dae73cfa995af897d732e26b6ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking highlight_error v0.1.1
[INFO] [stderr]     Checking HOPA v0.1.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking sysinfo v0.29.10
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]  Documenting hvm v1.0.10 (/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(atomic_from_mut)]
[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 `hvm`
[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 cdylib --crate-type rlib --crate-name hvm src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=41aa5155c5c39130 -L dependency=/opt/rustwide/target/debug/deps --extern HOPA=/opt/rustwide/target/debug/deps/libHOPA-345ae8c4750e3331.rmeta --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-f82a0b86bebd0cb1.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-e932b5691dab592c.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-1f7eeab5e3c1d2b4.rmeta --extern highlight_error=/opt/rustwide/target/debug/deps/libhighlight_error-c56d1fa8dab97aab.rmeta --extern instant=/opt/rustwide/target/debug/deps/libinstant-13d49580374eac18.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-4c213b47dd63c00d.rmeta --extern sysinfo=/opt/rustwide/target/debug/deps/libsysinfo-9bb33e8edd2b0b72.rmeta --cap-lints=warn --crate-version 1.0.10` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d107a852934f18408186568e295f6ba77e8a8dae73cfa995af897d732e26b6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d107a852934f18408186568e295f6ba77e8a8dae73cfa995af897d732e26b6ca", kill_on_drop: false }`
[INFO] [stdout] d107a852934f18408186568e295f6ba77e8a8dae73cfa995af897d732e26b6ca
