[INFO] cloning repository https://github.com/benjmnxu/ngram
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjmnxu/ngram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjmnxu%2Fngram", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjmnxu%2Fngram'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ec0660836132c56291829d89f363ff8339bd8a0
[INFO] documenting benjmnxu/ngram against beta-2024-12-08 for beta-rustdoc-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjmnxu%2Fngram" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benjmnxu/ngram on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benjmnxu/ngram
[INFO] finished tweaking git repo https://github.com/benjmnxu/ngram
[INFO] tweaked toml for git repo https://github.com/benjmnxu/ngram written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/benjmnxu/ngram 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" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43f711d02bc198bb8af6386f59a9a24a0d3ee97923cb7b8d01e5ce8af2f1b40f
[INFO] running `Command { std: "docker" "start" "-a" "43f711d02bc198bb8af6386f59a9a24a0d3ee97923cb7b8d01e5ce8af2f1b40f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43f711d02bc198bb8af6386f59a9a24a0d3ee97923cb7b8d01e5ce8af2f1b40f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f711d02bc198bb8af6386f59a9a24a0d3ee97923cb7b8d01e5ce8af2f1b40f", kill_on_drop: false }`
[INFO] [stdout] 43f711d02bc198bb8af6386f59a9a24a0d3ee97923cb7b8d01e5ce8af2f1b40f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c46470594bcf354a1b7749ec3a26ffb554ae9e8b42ce6bb48525d87dd4143539
[INFO] running `Command { std: "docker" "start" "-a" "c46470594bcf354a1b7749ec3a26ffb554ae9e8b42ce6bb48525d87dd4143539", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking anstyle v1.0.9
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking anstream v0.6.17
[INFO] [stderr]     Checking clap_builder v4.5.20
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ctrlc v3.4.5
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking clap v4.5.20
[INFO] [stderr]  Documenting ngram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.11s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ngram/index.html
[INFO] running `Command { std: "docker" "inspect" "c46470594bcf354a1b7749ec3a26ffb554ae9e8b42ce6bb48525d87dd4143539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46470594bcf354a1b7749ec3a26ffb554ae9e8b42ce6bb48525d87dd4143539", kill_on_drop: false }`
[INFO] [stdout] c46470594bcf354a1b7749ec3a26ffb554ae9e8b42ce6bb48525d87dd4143539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 903123ef2d088a74cf58b202b554866d976e7dc9637f7f47f803de41510642b5
[INFO] running `Command { std: "docker" "start" "-a" "903123ef2d088a74cf58b202b554866d976e7dc9637f7f47f803de41510642b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking clap v4.5.20
[INFO] [stderr]  Documenting ngram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.54s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ngram/index.html
[INFO] running `Command { std: "docker" "inspect" "903123ef2d088a74cf58b202b554866d976e7dc9637f7f47f803de41510642b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903123ef2d088a74cf58b202b554866d976e7dc9637f7f47f803de41510642b5", kill_on_drop: false }`
[INFO] [stdout] 903123ef2d088a74cf58b202b554866d976e7dc9637f7f47f803de41510642b5