[INFO] cloning repository https://github.com/Louis-Proffit/rust-mini-c
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Louis-Proffit/rust-mini-c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLouis-Proffit%2Frust-mini-c", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLouis-Proffit%2Frust-mini-c'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ce812c7539952b4e282203887acdf7e137b842d
[INFO] documenting Louis-Proffit/rust-mini-c against 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLouis-Proffit%2Frust-mini-c" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Louis-Proffit/rust-mini-c 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 git repo https://github.com/Louis-Proffit/rust-mini-c
[INFO] finished tweaking git repo https://github.com/Louis-Proffit/rust-mini-c
[INFO] tweaked toml for git repo https://github.com/Louis-Proffit/rust-mini-c written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Louis-Proffit/rust-mini-c 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 serial_test v1.0.0
[INFO] [stderr]   Downloaded parse_int v0.5.0
[INFO] [stderr]   Downloaded serial_test_derive v1.0.0
[INFO] [stderr]   Downloaded logos-nom-bridge v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 602a749466fe7270b78ecec12bd4ec886025a13695190753c73e4c828a3728e7
[INFO] running `Command { std: "docker" "start" "-a" "602a749466fe7270b78ecec12bd4ec886025a13695190753c73e4c828a3728e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "602a749466fe7270b78ecec12bd4ec886025a13695190753c73e4c828a3728e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602a749466fe7270b78ecec12bd4ec886025a13695190753c73e4c828a3728e7", kill_on_drop: false }`
[INFO] [stdout] 602a749466fe7270b78ecec12bd4ec886025a13695190753c73e4c828a3728e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] aa52dfe8b4fe6802ef6bdfc70727ea2d3184bc300474d704237d37aca4a61ae4
[INFO] running `Command { std: "docker" "start" "-a" "aa52dfe8b4fe6802ef6bdfc70727ea2d3184bc300474d704237d37aca4a61ae4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_lex v0.3.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking parse_int v0.5.0
[INFO] [stderr]     Checking is-terminal v0.4.4
[INFO] [stderr]     Checking clap v4.1.8
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]    Compiling derive-getters v0.2.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking logos-nom-bridge v0.1.0
[INFO] [stderr]  Documenting rust-mini-c v0.1.0 (/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(assert_matches)]
[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 `rust-mini-c`
[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 rust_mini_c src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d5a68fa9e5c655e7 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-1f351c949b9e5035.rmeta --extern derive_getters=/opt/rustwide/target/debug/deps/libderive_getters-8b442f6a1d7daaaa.so --extern derive_new=/opt/rustwide/target/debug/deps/libderive_new-36648e4a1422b516.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-79c427e0fff9c765.rmeta --extern logos=/opt/rustwide/target/debug/deps/liblogos-d5edf7f2614ee43b.rmeta --extern logos_nom_bridge=/opt/rustwide/target/debug/deps/liblogos_nom_bridge-414dbbc6259793ce.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-03b05b609f5ab4c5.rmeta --extern parse_int=/opt/rustwide/target/debug/deps/libparse_int-0de9e8686412e6da.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "aa52dfe8b4fe6802ef6bdfc70727ea2d3184bc300474d704237d37aca4a61ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa52dfe8b4fe6802ef6bdfc70727ea2d3184bc300474d704237d37aca4a61ae4", kill_on_drop: false }`
[INFO] [stdout] aa52dfe8b4fe6802ef6bdfc70727ea2d3184bc300474d704237d37aca4a61ae4
