[INFO] fetching crate let-engine 0.10.0...
[INFO] testing let-engine-0.10.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate let-engine 0.10.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate let-engine 0.10.0
[INFO] finished tweaking crates.io crate let-engine 0.10.0
[INFO] tweaked toml for crates.io crate let-engine 0.10.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate let-engine 0.10.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate let-engine 0.10.0 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c54408705a90e83c8a4fc284c9a5f08df3013b0fc6b390d9e36871f406333918
[INFO] running `Command { std: "docker" "start" "-a" "c54408705a90e83c8a4fc284c9a5f08df3013b0fc6b390d9e36871f406333918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c54408705a90e83c8a4fc284c9a5f08df3013b0fc6b390d9e36871f406333918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54408705a90e83c8a4fc284c9a5f08df3013b0fc6b390d9e36871f406333918", kill_on_drop: false }`
[INFO] [stdout] c54408705a90e83c8a4fc284c9a5f08df3013b0fc6b390d9e36871f406333918
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "4f7236201a4d1d6ae2c54ecfc2c2c4bdb4cb484f599018eab2f65176640fe11a", kill_on_drop: false }`
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[INFO] [stdout] warning: field `surface` is never read
[INFO] [stdout]   --> src/draw.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Draw {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 33 |     pub surface: Arc<Surface>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]    --> src/objects/color.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         self.rgba.map(|mut x| x.add_assign(rhs));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let _ = self.rgba.map(|mut x| x.add_assign(rhs));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]    --> src/objects/color.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         self.rgba.map(|mut x| x.sub_assign(rhs));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 339 |         let _ = self.rgba.map(|mut x| x.sub_assign(rhs));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]    --> src/objects/color.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         self.rgba.map(|mut x| x.mul_assign(rhs));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 346 |         let _ = self.rgba.map(|mut x| x.mul_assign(rhs));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]    --> src/objects/color.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |         self.rgba.map(|mut x| x.div_assign(rhs));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 353 |         let _ = self.rgba.map(|mut x| x.div_assign(rhs));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vulkano` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/bin/rustc --crate-name vulkano --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vulkano-0.34.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="macros"' --cfg 'feature="vulkano-macros"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "document_unchecked", "macros", "serde", "vulkano-macros"))' -C metadata=0c7c6527a6ee9a2b -C extra-filename=-344ece29393ed332 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-66c7582341ea17fe.rmeta --extern ash=/opt/rustwide/target/debug/deps/libash-3143d7363098dab7.rmeta --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-c359583ddbc50a68.rmeta --extern crossbeam_queue=/opt/rustwide/target/debug/deps/libcrossbeam_queue-84ccd60121ca924c.rmeta --extern half=/opt/rustwide/target/debug/deps/libhalf-ddebafddcea6d24f.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-d31ecf1a3ec4077d.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-24c5d665b6879050.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-c130c2ecdd06c0ff.rmeta --extern raw_window_handle=/opt/rustwide/target/debug/deps/libraw_window_handle-e0a5c5ebc6f64816.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-1a60f31cc60814d8.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-adef5521cf8c2c8b.rmeta --extern vulkano_macros=/opt/rustwide/target/debug/deps/libvulkano_macros-6b9ade99486bf8a7.so --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4f7236201a4d1d6ae2c54ecfc2c2c4bdb4cb484f599018eab2f65176640fe11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7236201a4d1d6ae2c54ecfc2c2c4bdb4cb484f599018eab2f65176640fe11a", kill_on_drop: false }`
[INFO] [stdout] 4f7236201a4d1d6ae2c54ecfc2c2c4bdb4cb484f599018eab2f65176640fe11a
