[INFO] fetching crate fselect 0.7.6...
[INFO] checking fselect-0.7.6 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate fselect 0.7.6 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate fselect 0.7.6 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fselect 0.7.6
[INFO] finished tweaking crates.io crate fselect 0.7.6
[INFO] tweaked toml for crates.io crate fselect 0.7.6 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate crates.io crate fselect 0.7.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67fb56a1633acb107a9b75bfaf64d00cbb80f27283600cd388b81de3757bc20b
[INFO] running `Command { std: "docker" "start" "-a" "67fb56a1633acb107a9b75bfaf64d00cbb80f27283600cd388b81de3757bc20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67fb56a1633acb107a9b75bfaf64d00cbb80f27283600cd388b81de3757bc20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67fb56a1633acb107a9b75bfaf64d00cbb80f27283600cd388b81de3757bc20b", kill_on_drop: false }`
[INFO] [stdout] 67fb56a1633acb107a9b75bfaf64d00cbb80f27283600cd388b81de3757bc20b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36410bb2d21b760dd873da21d738918dde32d47eb2cd5608209b068cd494b037
[INFO] running `Command { std: "docker" "start" "-a" "36410bb2d21b760dd873da21d738918dde32d47eb2cd5608209b068cd494b037", kill_on_drop: false }`
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[INFO] [stderr]     Checking fselect v0.7.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `empty`
[INFO] [stdout]   --> src/function.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     empty: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[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 is never read: `empty`
[INFO] [stdout]   --> src/function.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     empty: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[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 [unoptimized + debuginfo] target(s) in 18.41s
[INFO] running `Command { std: "docker" "inspect" "36410bb2d21b760dd873da21d738918dde32d47eb2cd5608209b068cd494b037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36410bb2d21b760dd873da21d738918dde32d47eb2cd5608209b068cd494b037", kill_on_drop: false }`
[INFO] [stdout] 36410bb2d21b760dd873da21d738918dde32d47eb2cd5608209b068cd494b037