[INFO] cloning repository https://github.com/takanoriyanagitani/rs-imgext2mime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takanoriyanagitani/rs-imgext2mime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakanoriyanagitani%2Frs-imgext2mime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakanoriyanagitani%2Frs-imgext2mime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f40c81f19901b97780bf7ba64fa03151cef5d0d
[INFO] documenting takanoriyanagitani/rs-imgext2mime against beta-2026-04-21 for beta-1.96-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakanoriyanagitani%2Frs-imgext2mime" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/takanoriyanagitani/rs-imgext2mime
[INFO] finished tweaking git repo https://github.com/takanoriyanagitani/rs-imgext2mime
[INFO] tweaked toml for git repo https://github.com/takanoriyanagitani/rs-imgext2mime written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/takanoriyanagitani/rs-imgext2mime on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/takanoriyanagitani/rs-imgext2mime 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd84a5efa14a0193e3941daac6e6a669360ae5dce6bf95989063bba4c4e6e72f
[INFO] running `Command { std: "docker" "start" "-a" "fd84a5efa14a0193e3941daac6e6a669360ae5dce6bf95989063bba4c4e6e72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd84a5efa14a0193e3941daac6e6a669360ae5dce6bf95989063bba4c4e6e72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd84a5efa14a0193e3941daac6e6a669360ae5dce6bf95989063bba4c4e6e72f", kill_on_drop: false }`
[INFO] [stdout] fd84a5efa14a0193e3941daac6e6a669360ae5dce6bf95989063bba4c4e6e72f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7fff735bc5c2a45b794b7f2dff415bb37e1d57143c5c1946de36cb4dc775878
[INFO] running `Command { std: "docker" "start" "-a" "c7fff735bc5c2a45b794b7f2dff415bb37e1d57143c5c1946de36cb4dc775878", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v0.7.7
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking clap_builder v4.5.57
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]     Checking clap v4.5.57
[INFO] [stderr]  Documenting rs-imgext2mime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.65s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rs_imgext2mime/index.html
[INFO] running `Command { std: "docker" "inspect" "c7fff735bc5c2a45b794b7f2dff415bb37e1d57143c5c1946de36cb4dc775878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7fff735bc5c2a45b794b7f2dff415bb37e1d57143c5c1946de36cb4dc775878", kill_on_drop: false }`
[INFO] [stdout] c7fff735bc5c2a45b794b7f2dff415bb37e1d57143c5c1946de36cb4dc775878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "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] 96b7943633cc4663f51c76c87d6c899b7b966648de85f15b9a336a56e62d8a86
[INFO] running `Command { std: "docker" "start" "-a" "96b7943633cc4663f51c76c87d6c899b7b966648de85f15b9a336a56e62d8a86", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]     Checking clap v4.5.57
[INFO] [stderr]  Documenting rs-imgext2mime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.86s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rs_imgext2mime/index.html
[INFO] running `Command { std: "docker" "inspect" "96b7943633cc4663f51c76c87d6c899b7b966648de85f15b9a336a56e62d8a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b7943633cc4663f51c76c87d6c899b7b966648de85f15b9a336a56e62d8a86", kill_on_drop: false }`
[INFO] [stdout] 96b7943633cc4663f51c76c87d6c899b7b966648de85f15b9a336a56e62d8a86