[INFO] fetching crate non-empty-collections 0.1.9...
[INFO] checking non-empty-collections-0.1.9 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate non-empty-collections 0.1.9 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate non-empty-collections 0.1.9 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate non-empty-collections 0.1.9
[INFO] finished tweaking crates.io crate non-empty-collections 0.1.9
[INFO] tweaked toml for crates.io crate non-empty-collections 0.1.9 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3bb3f8c8d4aa0045d3083cd10b04ac109fa3ce7feb279316fabdbe55c51dd94
[INFO] running `Command { std: "docker" "start" "-a" "f3bb3f8c8d4aa0045d3083cd10b04ac109fa3ce7feb279316fabdbe55c51dd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3bb3f8c8d4aa0045d3083cd10b04ac109fa3ce7feb279316fabdbe55c51dd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3bb3f8c8d4aa0045d3083cd10b04ac109fa3ce7feb279316fabdbe55c51dd94", kill_on_drop: false }`
[INFO] [stdout] f3bb3f8c8d4aa0045d3083cd10b04ac109fa3ce7feb279316fabdbe55c51dd94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3157663762531a3cb2354eeecdf0517d24452b9a52f902376de9a2fd3a94f54
[INFO] running `Command { std: "docker" "start" "-a" "e3157663762531a3cb2354eeecdf0517d24452b9a52f902376de9a2fd3a94f54", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking non-empty-collections v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/index_set/mod.rs:272:19
[INFO] [stdout]     |
[INFO] [stdout] 272 | impl<K, S> Extend<(K)> for NonEmptyIndexSet<K, S>
[INFO] [stdout]     |                   ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/index_set/mod.rs:272:19
[INFO] [stdout]     |
[INFO] [stdout] 272 | impl<K, S> Extend<(K)> for NonEmptyIndexSet<K, S>
[INFO] [stdout]     |                   ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "e3157663762531a3cb2354eeecdf0517d24452b9a52f902376de9a2fd3a94f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3157663762531a3cb2354eeecdf0517d24452b9a52f902376de9a2fd3a94f54", kill_on_drop: false }`
[INFO] [stdout] e3157663762531a3cb2354eeecdf0517d24452b9a52f902376de9a2fd3a94f54