[INFO] fetching crate cova-algebra 0.1.2...
[INFO] checking cova-algebra-0.1.2 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate cova-algebra 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate cova-algebra 0.1.2
[INFO] finished tweaking crates.io crate cova-algebra 0.1.2
[INFO] tweaked toml for crates.io crate cova-algebra 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cova-algebra 0.1.2 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cova-algebra 0.1.2 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 730e40bf24fe7661a3fd303fb7384dea5506a5f4a4d80570fba0652d5d94a5d3
[INFO] running `Command { std: "docker" "start" "-a" "730e40bf24fe7661a3fd303fb7384dea5506a5f4a4d80570fba0652d5d94a5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "730e40bf24fe7661a3fd303fb7384dea5506a5f4a4d80570fba0652d5d94a5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730e40bf24fe7661a3fd303fb7384dea5506a5f4a4d80570fba0652d5d94a5d3", kill_on_drop: false }`
[INFO] [stdout] 730e40bf24fe7661a3fd303fb7384dea5506a5f4a4d80570fba0652d5d94a5d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8db713cbba12b41cbf34700bf2a1384dd75c03888fdb0e2e941a4d8fb2bf871
[INFO] running `Command { std: "docker" "start" "-a" "f8db713cbba12b41cbf34700bf2a1384dd75c03888fdb0e2e941a4d8fb2bf871", kill_on_drop: false }`
[INFO] [stderr]     Checking cova-algebra v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/tensors/dynamic/mod.rs:83:7
[INFO] [stdout]    |
[INFO] [stdout] 83 |       (vec.dimension() == expected_num_rows),
[INFO] [stdout]    |       ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 83 -       (vec.dimension() == expected_num_rows),
[INFO] [stdout] 83 +       vec.dimension() == expected_num_rows,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/tensors/dynamic/mod.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 |       (vec.dimension() == expected_num_rows),
[INFO] [stdout]    |       ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 93 -       (vec.dimension() == expected_num_rows),
[INFO] [stdout] 93 +       vec.dimension() == expected_num_rows,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/tensors/dynamic/mod.rs:83:7
[INFO] [stdout]    |
[INFO] [stdout] 83 |       (vec.dimension() == expected_num_rows),
[INFO] [stdout]    |       ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 83 -       (vec.dimension() == expected_num_rows),
[INFO] [stdout] 83 +       vec.dimension() == expected_num_rows,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/tensors/dynamic/mod.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 |       (vec.dimension() == expected_num_rows),
[INFO] [stdout]    |       ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 93 -       (vec.dimension() == expected_num_rows),
[INFO] [stdout] 93 +       vec.dimension() == expected_num_rows,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "f8db713cbba12b41cbf34700bf2a1384dd75c03888fdb0e2e941a4d8fb2bf871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8db713cbba12b41cbf34700bf2a1384dd75c03888fdb0e2e941a4d8fb2bf871", kill_on_drop: false }`
[INFO] [stdout] f8db713cbba12b41cbf34700bf2a1384dd75c03888fdb0e2e941a4d8fb2bf871