[INFO] fetching crate semverver 0.1.47...
[INFO] documenting semverver-0.1.47 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate semverver 0.1.47 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate semverver 0.1.47 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking crates.io crate semverver 0.1.47
[INFO] finished tweaking crates.io crate semverver 0.1.47
[INFO] tweaked toml for crates.io crate semverver 0.1.47 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate semverver 0.1.47 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-util v0.1.0
[INFO] [stderr]   Downloaded crates-io v0.33.0
[INFO] [stderr]   Downloaded git2-curl v0.14.1
[INFO] [stderr]   Downloaded cargo v0.54.0
[INFO] [stderr]   Downloaded sized-chunks v0.6.5
[INFO] [stderr]   Downloaded im-rc v15.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7597fc04bb1cf61186e59049db6f6bd0771e6171f3a57fc152a53308e73971cc
[INFO] running `Command { std: "docker" "start" "-a" "7597fc04bb1cf61186e59049db6f6bd0771e6171f3a57fc152a53308e73971cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7597fc04bb1cf61186e59049db6f6bd0771e6171f3a57fc152a53308e73971cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7597fc04bb1cf61186e59049db6f6bd0771e6171f3a57fc152a53308e73971cc", kill_on_drop: false }`
[INFO] [stdout] 7597fc04bb1cf61186e59049db6f6bd0771e6171f3a57fc152a53308e73971cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4dfe65c44c831274b620a8489b620df69dcdcb21e9e0c57404b67646c01dd05
[INFO] running `Command { std: "docker" "start" "-a" "e4dfe65c44c831274b620a8489b620df69dcdcb21e9e0c57404b67646c01dd05", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling semverver v0.1.47 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking tar v0.4.35
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]    Compiling cargo v0.54.0
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking crates-io v0.33.0
[INFO] [stderr]     Checking git2 v0.13.20
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking cargo-util v0.1.0
[INFO] [stderr]     Checking git2-curl v0.14.1
[INFO] [stderr]  Documenting semverver v0.1.47 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rustc_hir`
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate rustc_hir; // Requires `rustup component add rustc-dev`
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `semverver`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name semverver 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 anyhow=/opt/rustwide/target/debug/deps/libanyhow-e0c590a61c268547.rmeta --extern cargo=/opt/rustwide/target/debug/deps/libcargo-637a9d9d8fbe3551.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-7faa07c352be628b.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-a139233f4e40b796.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-a9a52c56fbe10178.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-56a705720bafac8d.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-593b6d3f4aeb6baa.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-eed0496ccec9ff36.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0be89b3ed09ae17d.rmeta --cap-lints=warn --crate-version 0.1.47` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `rustc_hir`
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate rustc_hir; // Requires `rustup component add rustc-dev`
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e4dfe65c44c831274b620a8489b620df69dcdcb21e9e0c57404b67646c01dd05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4dfe65c44c831274b620a8489b620df69dcdcb21e9e0c57404b67646c01dd05", kill_on_drop: false }`
[INFO] [stdout] e4dfe65c44c831274b620a8489b620df69dcdcb21e9e0c57404b67646c01dd05
