[INFO] fetching crate ferris-finder 0.2.1...
[INFO] checking ferris-finder-0.2.1 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate ferris-finder 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ferris-finder 0.2.1 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferris-finder 0.2.1
[INFO] finished tweaking crates.io crate ferris-finder 0.2.1
[INFO] tweaked toml for crates.io crate ferris-finder 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate ferris-finder 0.2.1 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccf4889981bb9520316ecc1d49afc8f827631552c9b8f9055195560f33c9a31c
[INFO] running `Command { std: "docker" "start" "-a" "ccf4889981bb9520316ecc1d49afc8f827631552c9b8f9055195560f33c9a31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf4889981bb9520316ecc1d49afc8f827631552c9b8f9055195560f33c9a31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf4889981bb9520316ecc1d49afc8f827631552c9b8f9055195560f33c9a31c", kill_on_drop: false }`
[INFO] [stdout] ccf4889981bb9520316ecc1d49afc8f827631552c9b8f9055195560f33c9a31c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e675c9874b76abc3f7db1fcf0b30f5aa6e23e486ebc333fdb4e0d000f43407ba
[INFO] running `Command { std: "docker" "start" "-a" "e675c9874b76abc3f7db1fcf0b30f5aa6e23e486ebc333fdb4e0d000f43407ba", kill_on_drop: false }`
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[INFO] [stderr]     Checking ferris-finder v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `category` is never read
[INFO] [stdout]  --> src/ucd.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CharEntry {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub category: GeneralCategory,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CharEntry` has derived impls for the traits `Clone` and `Debug`, but these are 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: field `category` is never read
[INFO] [stdout]  --> src/ucd.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CharEntry {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub category: GeneralCategory,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CharEntry` has derived impls for the traits `Clone` and `Debug`, but these are 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.52s
[INFO] running `Command { std: "docker" "inspect" "e675c9874b76abc3f7db1fcf0b30f5aa6e23e486ebc333fdb4e0d000f43407ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e675c9874b76abc3f7db1fcf0b30f5aa6e23e486ebc333fdb4e0d000f43407ba", kill_on_drop: false }`
[INFO] [stdout] e675c9874b76abc3f7db1fcf0b30f5aa6e23e486ebc333fdb4e0d000f43407ba