[INFO] fetching crate epo 1.0.1...
[INFO] documenting epo-1.0.1 against 1.76.0 for beta-1.77-rustdoc-2
[INFO] extracting crate epo 1.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate epo 1.0.1 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 epo 1.0.1
[INFO] finished tweaking crates.io crate epo 1.0.1
[INFO] tweaked toml for crates.io crate epo 1.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate epo 1.0.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regress v0.4.1
[INFO] [stderr]   Downloaded chrono-tz-build v0.0.2
[INFO] [stderr]   Downloaded uncased v0.9.6
[INFO] [stderr]   Downloaded gc_derive v0.4.1
[INFO] [stderr]   Downloaded gc v0.4.1
[INFO] [stderr]   Downloaded dyn-clone v1.0.5
[INFO] [stderr]   Downloaded string-interner v0.14.0
[INFO] [stderr]   Downloaded boa_unicode v0.11.0
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.0
[INFO] [stderr]   Downloaded ryu-js v0.2.2
[INFO] [stderr]   Downloaded syn v1.0.92
[INFO] [stderr]   Downloaded libc v0.2.125
[INFO] [stderr]   Downloaded Boa v0.13.0
[INFO] [stderr]   Downloaded chrono-tz v0.6.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded unicode-general-category v0.3.0
[INFO] [stderr]   Downloaded unicode-general-category v0.5.1
[INFO] [stderr]   Downloaded boa_profiler v0.14.0
[INFO] [stderr]   Downloaded boa_gc v0.14.0
[INFO] [stderr]   Downloaded boa_unicode v0.14.0
[INFO] [stderr]   Downloaded boa_interner v0.14.0
[INFO] [stderr]   Downloaded boa_engine v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 28741851f23a26901873709452f109806d1995b3ed3aefef70c0c575c7942982
[INFO] running `Command { std: "docker" "start" "-a" "28741851f23a26901873709452f109806d1995b3ed3aefef70c0c575c7942982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28741851f23a26901873709452f109806d1995b3ed3aefef70c0c575c7942982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28741851f23a26901873709452f109806d1995b3ed3aefef70c0c575c7942982", kill_on_drop: false }`
[INFO] [stdout] 28741851f23a26901873709452f109806d1995b3ed3aefef70c0c575c7942982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2cb1e1e6e5630b05f848d981f3d38943b9175f4411fef0549da70cb6a256bb6e
[INFO] running `Command { std: "docker" "start" "-a" "2cb1e1e6e5630b05f848d981f3d38943b9175f4411fef0549da70cb6a256bb6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling unicode-general-category v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling unicode-general-category v0.5.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking ryu-js v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking dyn-clone v1.0.5
[INFO] [stderr]     Checking boa_profiler v0.14.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking regress v0.4.1
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking boa_unicode v0.11.0
[INFO] [stderr]     Checking boa_unicode v0.14.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling chrono-tz-build v0.0.2
[INFO] [stderr]    Compiling chrono-tz v0.6.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling gc_derive v0.4.1
[INFO] [stderr]     Checking gc v0.4.1
[INFO] [stderr]     Checking boa_gc v0.14.0
[INFO] [stderr]     Checking string-interner v0.14.0
[INFO] [stderr]     Checking boa_interner v0.14.0
[INFO] [stderr]     Checking boa_engine v0.14.0
[INFO] [stderr]     Checking Boa v0.13.0
[INFO] [stderr]  Documenting epo v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.41s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/epo/index.html
[INFO] running `Command { std: "docker" "inspect" "2cb1e1e6e5630b05f848d981f3d38943b9175f4411fef0549da70cb6a256bb6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb1e1e6e5630b05f848d981f3d38943b9175f4411fef0549da70cb6a256bb6e", kill_on_drop: false }`
[INFO] [stdout] 2cb1e1e6e5630b05f848d981f3d38943b9175f4411fef0549da70cb6a256bb6e