[INFO] fetching crate luaudoc 1.0.9...
[INFO] checking luaudoc-1.0.9 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate luaudoc 1.0.9 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate luaudoc 1.0.9 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate luaudoc 1.0.9
[INFO] finished tweaking crates.io crate luaudoc 1.0.9
[INFO] tweaked toml for crates.io crate luaudoc 1.0.9 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate luaudoc 1.0.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded psm v0.1.21
[INFO] [stderr]   Downloaded stacker v0.1.15
[INFO] [stderr]   Downloaded full_moon_derive v0.11.0
[INFO] [stderr]   Downloaded similar v2.5.0
[INFO] [stderr]   Downloaded logos v0.12.1
[INFO] [stderr]   Downloaded logos-derive v0.12.1
[INFO] [stderr]   Downloaded codespan-reporting v0.9.5
[INFO] [stderr]   Downloaded full_moon v0.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 443c1f12011bc2e1a31cfa0f7484b00388edf0aad59d92991a1de960bf89bf5d
[INFO] running `Command { std: "docker" "start" "-a" "443c1f12011bc2e1a31cfa0f7484b00388edf0aad59d92991a1de960bf89bf5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "443c1f12011bc2e1a31cfa0f7484b00388edf0aad59d92991a1de960bf89bf5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443c1f12011bc2e1a31cfa0f7484b00388edf0aad59d92991a1de960bf89bf5d", kill_on_drop: false }`
[INFO] [stdout] 443c1f12011bc2e1a31cfa0f7484b00388edf0aad59d92991a1de960bf89bf5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b3e228b766c19ce0a895d9bd336c54bb37c9fad49f3bee35f392f9659ef91e
[INFO] running `Command { std: "docker" "start" "-a" "f9b3e228b766c19ce0a895d9bd336c54bb37c9fad49f3bee35f392f9659ef91e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking bytecount v0.6.8
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking similar v2.5.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]    Compiling full_moon_derive v0.11.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking smol_str v0.1.24
[INFO] [stderr]     Checking insta v1.39.0
[INFO] [stderr]     Checking full_moon v0.18.1
[INFO] [stderr]     Checking luaudoc v1.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `file_id` is never read
[INFO] [stdout]   --> src/source_file.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SourceFile {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 12 |     doc_comments: Vec<DocComment>,
[INFO] [stdout] 13 |     file_id: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file_id` is never read
[INFO] [stdout]   --> src/source_file.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SourceFile {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 12 |     doc_comments: Vec<DocComment>,
[INFO] [stdout] 13 |     file_id: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 18.61s
[INFO] running `Command { std: "docker" "inspect" "f9b3e228b766c19ce0a895d9bd336c54bb37c9fad49f3bee35f392f9659ef91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b3e228b766c19ce0a895d9bd336c54bb37c9fad49f3bee35f392f9659ef91e", kill_on_drop: false }`
[INFO] [stdout] f9b3e228b766c19ce0a895d9bd336c54bb37c9fad49f3bee35f392f9659ef91e