[INFO] fetching crate semververfork 0.1.64...
[INFO] documenting semververfork-0.1.64 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate semververfork 0.1.64 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate semververfork 0.1.64 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-1/source/rust-toolchain
[INFO] started tweaking crates.io crate semververfork 0.1.64
[INFO] finished tweaking crates.io crate semververfork 0.1.64
[INFO] tweaked toml for crates.io crate semververfork 0.1.64 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate semververfork 0.1.64 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-platform v0.1.1
[INFO] [stderr]   Downloaded opener v0.4.1
[INFO] [stderr]   Downloaded git2-curl v0.14.0
[INFO] [stderr]   Downloaded tar v0.4.29
[INFO] [stderr]   Downloaded cc v1.0.56
[INFO] [stderr]   Downloaded crates-io v0.31.0
[INFO] [stderr]   Downloaded curl v0.4.30
[INFO] [stderr]   Downloaded serde_ignored v0.1.2
[INFO] [stderr]   Downloaded rustfix v0.5.1
[INFO] [stderr]   Downloaded fwdansi v1.1.0
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.1.0
[INFO] [stderr]   Downloaded shell-escape v0.1.5
[INFO] [stderr]   Downloaded curl-sys v0.4.32+curl-7.70.0
[INFO] [stderr]   Downloaded crates-io v0.32.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]   Downloaded vte v0.3.3
[INFO] [stderr]   Downloaded cargo v0.45.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 8a357ceaaaf834fb8ff32beffd4b9361fb74eb69dac28a163ec4e36472ef6795
[INFO] running `Command { std: "docker" "start" "-a" "8a357ceaaaf834fb8ff32beffd4b9361fb74eb69dac28a163ec4e36472ef6795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a357ceaaaf834fb8ff32beffd4b9361fb74eb69dac28a163ec4e36472ef6795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a357ceaaaf834fb8ff32beffd4b9361fb74eb69dac28a163ec4e36472ef6795", kill_on_drop: false }`
[INFO] [stdout] 8a357ceaaaf834fb8ff32beffd4b9361fb74eb69dac28a163ec4e36472ef6795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b44a223a377fc3fddbbbb0492f0f171e649d6e0665292bd7c2d6e5c663e6246e
[INFO] running `Command { std: "docker" "start" "-a" "b44a223a377fc3fddbbbb0492f0f171e649d6e0665292bd7c2d6e5c663e6246e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling curl v0.4.30
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling semververfork v0.1.64 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking proc-macro2 v1.0.18
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking tar v0.4.29
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.32+curl-7.70.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling libgit2-sys v0.12.7+1.0.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]     Checking git2-curl v0.14.0
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking crates-io v0.31.0
[INFO] [stderr]     Checking crates-io v0.32.0
[INFO] [stderr]     Checking cargo v0.45.1
[INFO] [stderr]  Documenting semververfork v0.1.64 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate rustc_ast;
[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 `semververfork`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name semververfork 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-b75bb8a9829bf47f.rmeta --extern cargo=/opt/rustwide/target/debug/deps/libcargo-b536de74b4d11338.rmeta --extern crates_io=/opt/rustwide/target/debug/deps/libcrates_io-ec240ef02aa3fe2b.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-0f18656970b91575.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-e42ee6839e3c8bc8.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-8cb8a4ba47ef9b79.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0d42b166efebd8d9.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-502b0308d50b67a5.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-d5ec6a5e3ea924cf.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ebf017953d839006.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2396d552ccb3bf8d.rmeta --cap-lints=warn --crate-version 0.1.64` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate rustc_ast;
[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" "b44a223a377fc3fddbbbb0492f0f171e649d6e0665292bd7c2d6e5c663e6246e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44a223a377fc3fddbbbb0492f0f171e649d6e0665292bd7c2d6e5c663e6246e", kill_on_drop: false }`
[INFO] [stdout] b44a223a377fc3fddbbbb0492f0f171e649d6e0665292bd7c2d6e5c663e6246e
