[INFO] fetching crate rand_seeder 0.2.3...
[INFO] checking rand_seeder-0.2.3 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate rand_seeder 0.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rand_seeder 0.2.3 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand_seeder 0.2.3
[INFO] finished tweaking crates.io crate rand_seeder 0.2.3
[INFO] tweaked toml for crates.io crate rand_seeder 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rand_seeder 0.2.3 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34c6447e973b6cd1f0bff53bf7cceb996ca2edc3ef14019e8ea24816c1b6ac93
[INFO] running `Command { std: "docker" "start" "-a" "34c6447e973b6cd1f0bff53bf7cceb996ca2edc3ef14019e8ea24816c1b6ac93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34c6447e973b6cd1f0bff53bf7cceb996ca2edc3ef14019e8ea24816c1b6ac93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c6447e973b6cd1f0bff53bf7cceb996ca2edc3ef14019e8ea24816c1b6ac93", kill_on_drop: false }`
[INFO] [stdout] 34c6447e973b6cd1f0bff53bf7cceb996ca2edc3ef14019e8ea24816c1b6ac93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79eef48e76b7963e780edead90d39ef586995782338584edc7e6f4b2b3e5e210
[INFO] running `Command { std: "docker" "start" "-a" "79eef48e76b7963e780edead90d39ef586995782338584edc7e6f4b2b3e5e210", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand_seeder v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing documentation for an extern crate
[INFO] [stdout]   --> src/lib.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub extern crate rand_core;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![deny(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rand_seeder` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "79eef48e76b7963e780edead90d39ef586995782338584edc7e6f4b2b3e5e210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79eef48e76b7963e780edead90d39ef586995782338584edc7e6f4b2b3e5e210", kill_on_drop: false }`
[INFO] [stdout] 79eef48e76b7963e780edead90d39ef586995782338584edc7e6f4b2b3e5e210
