[INFO] cloning repository https://github.com/meddion/fugue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meddion/fugue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddion%2Ffugue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddion%2Ffugue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ad7c4b881efcb66a6edde1681a01aadc4a12142
[INFO] documenting meddion/fugue against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddion%2Ffugue" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meddion/fugue on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meddion/fugue
[INFO] finished tweaking git repo https://github.com/meddion/fugue
[INFO] tweaked toml for git repo https://github.com/meddion/fugue written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/meddion/fugue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 611dfb0cc748497c682b108aad491b0a4828f529aebd73577fffa51669a28232
[INFO] running `Command { std: "docker" "start" "-a" "611dfb0cc748497c682b108aad491b0a4828f529aebd73577fffa51669a28232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "611dfb0cc748497c682b108aad491b0a4828f529aebd73577fffa51669a28232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "611dfb0cc748497c682b108aad491b0a4828f529aebd73577fffa51669a28232", kill_on_drop: false }`
[INFO] [stdout] 611dfb0cc748497c682b108aad491b0a4828f529aebd73577fffa51669a28232
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a895e1fe1c8df3a2c8fde8f846ac7864a31250abe689910da7163f4e10e50aaf
[INFO] running `Command { std: "docker" "start" "-a" "a895e1fe1c8df3a2c8fde8f846ac7864a31250abe689910da7163f4e10e50aaf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting fugue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `{`, found `Err`
[INFO] [stdout]    --> src/ast/mod.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |           while if let Some(Some(token)) = token_iter.next() {
[INFO] [stdout]     |  _________-----_-
[INFO] [stdout]     | |         |
[INFO] [stdout]     | |         while parsing the body of this `while` expression
[INFO] [stdout] 111 | |             match token {
[INFO] [stdout] 112 | |                Token::Str(string) => return Ok(Expression::Str(string.clone())),
[INFO] [stdout] 113 | |                 _ => (),
[INFO] [stdout] 114 | |             }
[INFO] [stdout] 115 | |
[INFO] [stdout] 116 | |         }
[INFO] [stdout]     | |_________- this `while` condition successfully parsed
[INFO] [stdout] 117 | 
[INFO] [stdout] 118 |           Err(AstError::Expression)
[INFO] [stdout]     |           ^^^ expected `{`
[INFO] [stdout]     |
[INFO] [stdout] help: try placing this code inside a block
[INFO] [stdout]     |
[INFO] [stdout] 118 |         { Err(AstError::Expression) }
[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] [stderr] error: could not document `fugue`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name fugue src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=b2bad6b3c12cc302 -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a895e1fe1c8df3a2c8fde8f846ac7864a31250abe689910da7163f4e10e50aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a895e1fe1c8df3a2c8fde8f846ac7864a31250abe689910da7163f4e10e50aaf", kill_on_drop: false }`
[INFO] [stdout] a895e1fe1c8df3a2c8fde8f846ac7864a31250abe689910da7163f4e10e50aaf