[INFO] fetching crate music-metadata 0.3.0...
[INFO] checking music-metadata-0.3.0 against master#90384941aae4ea38de00e4702b50757e9b882a19 for pr-138340
[INFO] extracting crate music-metadata 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate music-metadata 0.3.0 on toolchain 90384941aae4ea38de00e4702b50757e9b882a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate music-metadata 0.3.0
[INFO] finished tweaking crates.io crate music-metadata 0.3.0
[INFO] tweaked toml for crates.io crate music-metadata 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate music-metadata 0.3.0 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" "+90384941aae4ea38de00e4702b50757e9b882a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 620d9c24e7c61ce4480794a669206d127f7d1722169adcefae353d211bd09565
[INFO] running `Command { std: "docker" "start" "-a" "620d9c24e7c61ce4480794a669206d127f7d1722169adcefae353d211bd09565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "620d9c24e7c61ce4480794a669206d127f7d1722169adcefae353d211bd09565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620d9c24e7c61ce4480794a669206d127f7d1722169adcefae353d211bd09565", kill_on_drop: false }`
[INFO] [stdout] 620d9c24e7c61ce4480794a669206d127f7d1722169adcefae353d211bd09565
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daaa922d95f576dba2cc8a781be2243623a9c49d8af6965d1bea09cb87a3c266
[INFO] running `Command { std: "docker" "start" "-a" "daaa922d95f576dba2cc8a781be2243623a9c49d8af6965d1bea09cb87a3c266", kill_on_drop: false }`
[INFO] [stderr]     Checking music-metadata v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/id3/frames/header.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct FrameHeader {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub version: Version,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comment_body` is never read
[INFO] [stdout]   --> src/ogg/ogg_vorbis_comment.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CommentHeader {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub comment_body: CommentBody,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommentHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaMxAGj9/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `music-metadata` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/id3/frames/header.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct FrameHeader {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub version: Version,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comment_body` is never read
[INFO] [stdout]   --> src/ogg/ogg_vorbis_comment.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CommentHeader {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub comment_body: CommentBody,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommentHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "daaa922d95f576dba2cc8a781be2243623a9c49d8af6965d1bea09cb87a3c266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daaa922d95f576dba2cc8a781be2243623a9c49d8af6965d1bea09cb87a3c266", kill_on_drop: false }`
[INFO] [stdout] daaa922d95f576dba2cc8a781be2243623a9c49d8af6965d1bea09cb87a3c266