[INFO] fetching crate composable-indexes 0.4.1...
[INFO] checking composable-indexes-0.4.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate composable-indexes 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate composable-indexes 0.4.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate composable-indexes 0.4.1
[INFO] tweaked toml for crates.io crate composable-indexes 0.4.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate composable-indexes 0.4.1 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 composable-indexes 0.4.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded composable-indexes-core v0.4.0
[INFO] [stderr]   Downloaded composable-indexes-testutils v0.4.0
[INFO] [stderr]   Downloaded composable-indexes-derive v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 67ce0447d32f7d93e3210d3aa5268c3b71f1689cd73c01cca7bb0085e521c434
[INFO] running `Command { std: "docker" "start" "-a" "67ce0447d32f7d93e3210d3aa5268c3b71f1689cd73c01cca7bb0085e521c434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67ce0447d32f7d93e3210d3aa5268c3b71f1689cd73c01cca7bb0085e521c434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ce0447d32f7d93e3210d3aa5268c3b71f1689cd73c01cca7bb0085e521c434", kill_on_drop: false }`
[INFO] [stdout] 67ce0447d32f7d93e3210d3aa5268c3b71f1689cd73c01cca7bb0085e521c434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3f4c6a5d617d16bec3ecf33ed6444f82974bc22e37ec3f7c1941233fa56b193f
[INFO] running `Command { std: "docker" "start" "-a" "3f4c6a5d617d16bec3ecf33ed6444f82974bc22e37ec3f7c1941233fa56b193f", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking composable-indexes-core v0.4.0
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking tempfile v3.19.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking proptest v1.6.0
[INFO] [stderr]     Checking composable-indexes-testutils v0.4.0
[INFO] [stderr]    Compiling composable-indexes-derive v0.4.0
[INFO] [stderr]    Compiling proptest-derive v0.5.1
[INFO] [stderr]     Checking composable-indexes v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/index/btree.rs:78:27
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .map(|(_, v)| (v.iter().next().unwrap()))
[INFO] [stdout]    |                           ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -             .map(|(_, v)| (v.iter().next().unwrap()))
[INFO] [stdout] 78 +             .map(|(_, v)| v.iter().next().unwrap())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/index/btree.rs:78:27
[INFO] [stdout]    |
[INFO] [stdout] 78 |             .map(|(_, v)| (v.iter().next().unwrap()))
[INFO] [stdout]    |                           ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -             .map(|(_, v)| (v.iter().next().unwrap()))
[INFO] [stdout] 78 +             .map(|(_, v)| v.iter().next().unwrap())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.41s
[INFO] running `Command { std: "docker" "inspect" "3f4c6a5d617d16bec3ecf33ed6444f82974bc22e37ec3f7c1941233fa56b193f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4c6a5d617d16bec3ecf33ed6444f82974bc22e37ec3f7c1941233fa56b193f", kill_on_drop: false }`
[INFO] [stdout] 3f4c6a5d617d16bec3ecf33ed6444f82974bc22e37ec3f7c1941233fa56b193f