[INFO] fetching crate contiguous-arena 0.2.0...
[INFO] checking contiguous-arena-0.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate contiguous-arena 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate contiguous-arena 0.2.0
[INFO] finished tweaking crates.io crate contiguous-arena 0.2.0
[INFO] tweaked toml for crates.io crate contiguous-arena 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate contiguous-arena 0.2.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate contiguous-arena 0.2.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5efc2d54d663539ca61fb40fb6d78bc8616f0acecfbe48df7c43c99851334d88
[INFO] running `Command { std: "docker" "start" "-a" "5efc2d54d663539ca61fb40fb6d78bc8616f0acecfbe48df7c43c99851334d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5efc2d54d663539ca61fb40fb6d78bc8616f0acecfbe48df7c43c99851334d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5efc2d54d663539ca61fb40fb6d78bc8616f0acecfbe48df7c43c99851334d88", kill_on_drop: false }`
[INFO] [stdout] 5efc2d54d663539ca61fb40fb6d78bc8616f0acecfbe48df7c43c99851334d88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98686d5beb51ab9f7fd96654b0ccab8b12f246b071e204fe80824ce526802fcc
[INFO] running `Command { std: "docker" "start" "-a" "98686d5beb51ab9f7fd96654b0ccab8b12f246b071e204fe80824ce526802fcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking clap_builder v4.5.37
[INFO] [stderr]     Checking contiguous-arena v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:176:36
[INFO] [stdout]     |
[INFO] [stdout] 176 |             .flat_map(move |&span| (span.start..span.end))
[INFO] [stdout]     |                                    ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 -             .flat_map(move |&span| (span.start..span.end))
[INFO] [stdout] 176 +             .flat_map(move |&span| span.start..span.end)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:202:36
[INFO] [stdout]     |
[INFO] [stdout] 202 |             .flat_map(move |&span| (span.start..span.end))
[INFO] [stdout]     |                                    ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 202 -             .flat_map(move |&span| (span.start..span.end))
[INFO] [stdout] 202 +             .flat_map(move |&span| span.start..span.end)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking clap v4.5.37
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:176:36
[INFO] [stdout]     |
[INFO] [stdout] 176 |             .flat_map(move |&span| (span.start..span.end))
[INFO] [stdout]     |                                    ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 -             .flat_map(move |&span| (span.start..span.end))
[INFO] [stdout] 176 +             .flat_map(move |&span| span.start..span.end)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:202:36
[INFO] [stdout]     |
[INFO] [stdout] 202 |             .flat_map(move |&span| (span.start..span.end))
[INFO] [stdout]     |                                    ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 202 -             .flat_map(move |&span| (span.start..span.end))
[INFO] [stdout] 202 +             .flat_map(move |&span| span.start..span.end)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.89s
[INFO] running `Command { std: "docker" "inspect" "98686d5beb51ab9f7fd96654b0ccab8b12f246b071e204fe80824ce526802fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98686d5beb51ab9f7fd96654b0ccab8b12f246b071e204fe80824ce526802fcc", kill_on_drop: false }`
[INFO] [stdout] 98686d5beb51ab9f7fd96654b0ccab8b12f246b071e204fe80824ce526802fcc