[INFO] fetching crate sudoku-variants 0.2.1...
[INFO] checking sudoku-variants-0.2.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate sudoku-variants 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate sudoku-variants 0.2.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sudoku-variants 0.2.1
[INFO] finished tweaking crates.io crate sudoku-variants 0.2.1
[INFO] tweaked toml for crates.io crate sudoku-variants 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 80 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.18)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (available: v0.5.0)
[INFO] [stderr]       Adding half v1.8.3 (available: v2.4.1)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding textwrap v0.11.0 (available: v0.16.1)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.8.19)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c8191aded6efc4d59e8ac38b7b3b29c42ecfda4bb5dd03702b700a41331c238
[INFO] running `Command { std: "docker" "start" "-a" "3c8191aded6efc4d59e8ac38b7b3b29c42ecfda4bb5dd03702b700a41331c238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c8191aded6efc4d59e8ac38b7b3b29c42ecfda4bb5dd03702b700a41331c238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8191aded6efc4d59e8ac38b7b3b29c42ecfda4bb5dd03702b700a41331c238", kill_on_drop: false }`
[INFO] [stdout] 3c8191aded6efc4d59e8ac38b7b3b29c42ecfda4bb5dd03702b700a41331c238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c5a211599e1663a09695b7be2a02b5f13a2a499f674ca18427a32f5d42ac8ef
[INFO] running `Command { std: "docker" "start" "-a" "7c5a211599e1663a09695b7be2a02b5f13a2a499f674ca18427a32f5d42ac8ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking sudoku-variants v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/util.rs:108:31
[INFO] [stdout]     |
[INFO] [stdout] 108 | const USIZE_BIT_SIZE: usize = mem::size_of::<usize>() * 8;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:8:9
[INFO] [stdout]     |
[INFO] [stdout] 8   | #![warn(unused_qualifications)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 108 - const USIZE_BIT_SIZE: usize = mem::size_of::<usize>() * 8;
[INFO] [stdout] 108 + const USIZE_BIT_SIZE: usize = size_of::<usize>() * 8;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/util.rs:108:31
[INFO] [stdout]     |
[INFO] [stdout] 108 | const USIZE_BIT_SIZE: usize = mem::size_of::<usize>() * 8;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:8:9
[INFO] [stdout]     |
[INFO] [stdout] 8   | #![warn(unused_qualifications)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 108 - const USIZE_BIT_SIZE: usize = mem::size_of::<usize>() * 8;
[INFO] [stdout] 108 + const USIZE_BIT_SIZE: usize = size_of::<usize>() * 8;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.70s
[INFO] running `Command { std: "docker" "inspect" "7c5a211599e1663a09695b7be2a02b5f13a2a499f674ca18427a32f5d42ac8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5a211599e1663a09695b7be2a02b5f13a2a499f674ca18427a32f5d42ac8ef", kill_on_drop: false }`
[INFO] [stdout] 7c5a211599e1663a09695b7be2a02b5f13a2a499f674ca18427a32f5d42ac8ef