[INFO] fetching crate compile_msg 0.1.5...
[INFO] documenting compile_msg-0.1.5 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate compile_msg 0.1.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate compile_msg 0.1.5 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] started tweaking crates.io crate compile_msg 0.1.5
[INFO] finished tweaking crates.io crate compile_msg 0.1.5
[INFO] tweaked toml for crates.io crate compile_msg 0.1.5 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 0e7d7128e0ca212302fc1c47fd1dc63d4657b1a1367e9f82053a2c6e1867a757
[INFO] running `Command { std: "docker" "start" "-a" "0e7d7128e0ca212302fc1c47fd1dc63d4657b1a1367e9f82053a2c6e1867a757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e7d7128e0ca212302fc1c47fd1dc63d4657b1a1367e9f82053a2c6e1867a757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7d7128e0ca212302fc1c47fd1dc63d4657b1a1367e9f82053a2c6e1867a757", kill_on_drop: false }`
[INFO] [stdout] 0e7d7128e0ca212302fc1c47fd1dc63d4657b1a1367e9f82053a2c6e1867a757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2a9a1dd13cc275bd2cf0e8fc516281434c3ad65b7ff136b133a16a5dc55b4c48
[INFO] running `Command { std: "docker" "start" "-a" "2a9a1dd13cc275bd2cf0e8fc516281434c3ad65b7ff136b133a16a5dc55b4c48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting compile_msg v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate syntax;
[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 `compile_msg`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-name compile_msg 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 --cap-lints=warn --crate-version 0.1.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2a9a1dd13cc275bd2cf0e8fc516281434c3ad65b7ff136b133a16a5dc55b4c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9a1dd13cc275bd2cf0e8fc516281434c3ad65b7ff136b133a16a5dc55b4c48", kill_on_drop: false }`
[INFO] [stdout] 2a9a1dd13cc275bd2cf0e8fc516281434c3ad65b7ff136b133a16a5dc55b4c48
