[INFO] fetching crate matrix_engine 0.2.4...
[INFO] checking matrix_engine-0.2.4 against master#85c39893a761fe4c050523278da4e7e45ab42b6e for pr-134688
[INFO] extracting crate matrix_engine 0.2.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate matrix_engine 0.2.4 on toolchain 85c39893a761fe4c050523278da4e7e45ab42b6e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate matrix_engine 0.2.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate matrix_engine 0.2.4
[INFO] tweaked toml for crates.io crate matrix_engine 0.2.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate matrix_engine 0.2.4 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" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded d3d12 v22.0.0
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[INFO] [stdout] 7ecdb4854196077be27505fda202a3062a72148a4dd00496f401f6a29e4c1d79
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[INFO] running `Command { std: "docker" "rm" "-f" "7ecdb4854196077be27505fda202a3062a72148a4dd00496f401f6a29e4c1d79", kill_on_drop: false }`
[INFO] [stdout] 7ecdb4854196077be27505fda202a3062a72148a4dd00496f401f6a29e4c1d79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f6638e287bc308d68c6fecb0a47eb42ab789837f68ddf643b7ef219e8a93a1f
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[INFO] [stdout] warning: unused imports: `IntoParallelIterator` and `ParallelBridge`
[INFO] [stdout]   --> examples/run/main.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | use rayon::iter::{IntoParallelIterator, ParallelBridge, ParallelIterator};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParallelIterator`
[INFO] [stdout]   --> examples/run/main.rs:21:57
[INFO] [stdout]    |
[INFO] [stdout] 21 | use rayon::iter::{IntoParallelIterator, ParallelBridge, ParallelIterator};
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `events`
[INFO] [stdout]   --> examples/run/main.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |             move |(events, write_events, id): &mut (
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_events`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_events`
[INFO] [stdout]   --> examples/run/main.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |             move |(events, write_events, id): &mut (
[INFO] [stdout]    |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_events`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> examples/run/main.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |             move |(events, write_events, id): &mut (
[INFO] [stdout]    |                                          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "7f6638e287bc308d68c6fecb0a47eb42ab789837f68ddf643b7ef219e8a93a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6638e287bc308d68c6fecb0a47eb42ab789837f68ddf643b7ef219e8a93a1f", kill_on_drop: false }`
[INFO] [stdout] 7f6638e287bc308d68c6fecb0a47eb42ab789837f68ddf643b7ef219e8a93a1f