[INFO] fetching crate mammoth-setup 0.0.1...
[INFO] documenting mammoth-setup-0.0.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate mammoth-setup 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mammoth-setup 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mammoth-setup 0.0.1
[INFO] finished tweaking crates.io crate mammoth-setup 0.0.1
[INFO] tweaked toml for crates.io crate mammoth-setup 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffc9c5ed2ad9e8c96c3ef9b18c94bb49a34195a1ee49e9a77c3bc31215dab713
[INFO] running `Command { std: "docker" "start" "-a" "ffc9c5ed2ad9e8c96c3ef9b18c94bb49a34195a1ee49e9a77c3bc31215dab713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffc9c5ed2ad9e8c96c3ef9b18c94bb49a34195a1ee49e9a77c3bc31215dab713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc9c5ed2ad9e8c96c3ef9b18c94bb49a34195a1ee49e9a77c3bc31215dab713", kill_on_drop: false }`
[INFO] [stdout] ffc9c5ed2ad9e8c96c3ef9b18c94bb49a34195a1ee49e9a77c3bc31215dab713
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61fb53eee513db8ad176c7b9065f3c3b857b3441594d8866655daa6d9b5076c2
[INFO] running `Command { std: "docker" "start" "-a" "61fb53eee513db8ad176c7b9065f3c3b857b3441594d8866655daa6d9b5076c2", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking libloading v0.5.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]  Documenting mammoth-setup v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/validation.rs:7:12
[INFO] [stdout]     |
[INFO] [stdout] 7   | use serde::export::PhantomData;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.127/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mammoth-setup`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name mammoth_setup src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-df28f6d2940d850c.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-7b50184a627775cc.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-7a342a7b267c2dfd.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-acbb5ef10295c7b6.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-9387a2ab77be7fca.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-48aa6774e66773ef.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-f403340f3ef7d8eb.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5678c1422d6b64cb.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f282cc1f57f3d638.so --extern toml=/opt/rustwide/target/debug/deps/libtoml-218233080ff2ed5a.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "61fb53eee513db8ad176c7b9065f3c3b857b3441594d8866655daa6d9b5076c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fb53eee513db8ad176c7b9065f3c3b857b3441594d8866655daa6d9b5076c2", kill_on_drop: false }`
[INFO] [stdout] 61fb53eee513db8ad176c7b9065f3c3b857b3441594d8866655daa6d9b5076c2
