[INFO] fetching crate hexe 0.0.5...
[INFO] checking hexe-0.0.5 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate hexe 0.0.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate hexe 0.0.5 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hexe 0.0.5
[INFO] finished tweaking crates.io crate hexe 0.0.5
[INFO] tweaked toml for crates.io crate hexe 0.0.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hexe_core v0.0.5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7f31edf074fd97141ff11558710593ce80a3df5b236d0d0af0b2f926fb46c79e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7f31edf074fd97141ff11558710593ce80a3df5b236d0d0af0b2f926fb46c79e"`
[INFO] [stderr]     Checking uncon v1.1.0
[INFO] [stderr]    Compiling uncon_derive v1.1.1
[INFO] [stderr]     Checking hexe_core v0.0.5
[INFO] [stderr]     Checking hexe v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/position/mod.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let src = mv.src();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_src`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dst`
[INFO] [stderr]   --> src/position/mod.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let dst = mv.dst();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_dst`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/position/mod.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let src = mv.src();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_src`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dst`
[INFO] [stderr]   --> src/position/mod.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let dst = mv.dst();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_dst`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `position`
[INFO] [stderr]   --> src/engine/mod.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     position: Position,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `num_threads`
[INFO] [stderr]    --> src/engine/mod.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     num_threads: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `position`
[INFO] [stderr]   --> src/engine/mod.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     position: Position,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `num_threads`
[INFO] [stderr]    --> src/engine/mod.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     num_threads: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `"docker" "inspect" "7f31edf074fd97141ff11558710593ce80a3df5b236d0d0af0b2f926fb46c79e"`
[INFO] running `"docker" "rm" "-f" "7f31edf074fd97141ff11558710593ce80a3df5b236d0d0af0b2f926fb46c79e"`
[INFO] [stdout] 7f31edf074fd97141ff11558710593ce80a3df5b236d0d0af0b2f926fb46c79e