[INFO] fetching crate fe 1.0.3...
[INFO] documenting fe-1.0.3 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate fe 1.0.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fe 1.0.3 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fe 1.0.3
[INFO] finished tweaking crates.io crate fe 1.0.3
[INFO] tweaked toml for crates.io crate fe 1.0.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98948b3f3f211fdce603db3e9ccdc11fb6fbbb03285f55bbaa10292fee66fb9e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "98948b3f3f211fdce603db3e9ccdc11fb6fbbb03285f55bbaa10292fee66fb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98948b3f3f211fdce603db3e9ccdc11fb6fbbb03285f55bbaa10292fee66fb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98948b3f3f211fdce603db3e9ccdc11fb6fbbb03285f55bbaa10292fee66fb9e", kill_on_drop: false }`
[INFO] [stdout] 98948b3f3f211fdce603db3e9ccdc11fb6fbbb03285f55bbaa10292fee66fb9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 36063e861630d1ba32e434b5ddfcb0dbf1aeca1f2d10076a79db03359fa1f50d
[INFO] running `Command { std: "docker" "start" "-a" "36063e861630d1ba32e434b5ddfcb0dbf1aeca1f2d10076a79db03359fa1f50d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking term-painter v0.2.4
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stderr]  Documenting fe v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0201]: duplicate definitions with name `mode`:
[INFO] [stdout]   --> src/fileinfo.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | /     fn mode(metadata: &fs::Metadata) -> mode_t {
[INFO] [stdout] 77 | |         use std::os::linux::fs::MetadataExt;
[INFO] [stdout] 78 | |         metadata.st_mode()
[INFO] [stdout] 79 | |     }
[INFO] [stdout]    | |_____- previous definition of `mode` here
[INFO] [stdout] ...
[INFO] [stdout] 82 | /     fn mode(metadata: &fs::Metadata) -> mode_t {
[INFO] [stdout] 83 | |         use std::os::unix::fs::MetadataExt;
[INFO] [stdout] 84 | |         metadata.mode()
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____^ duplicate definition
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0201`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `fe`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name fe src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-31cca8d704889ecd.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-c02c8936fa50b8fc.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-1ad6320e374547a8.rmeta --extern term_painter=/opt/rustwide/target/debug/deps/libterm_painter-26dd97a6ee8fa5d9.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "36063e861630d1ba32e434b5ddfcb0dbf1aeca1f2d10076a79db03359fa1f50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36063e861630d1ba32e434b5ddfcb0dbf1aeca1f2d10076a79db03359fa1f50d", kill_on_drop: false }`
[INFO] [stdout] 36063e861630d1ba32e434b5ddfcb0dbf1aeca1f2d10076a79db03359fa1f50d