[INFO] cloning repository https://github.com/ActorLancer/Hash_Map-of-rust-version
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ActorLancer/Hash_Map-of-rust-version" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FActorLancer%2FHash_Map-of-rust-version", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FActorLancer%2FHash_Map-of-rust-version'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f883604d816748087de21c5ca2e8ad0a6b013a7d
[INFO] checking ActorLancer/Hash_Map-of-rust-version against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FActorLancer%2FHash_Map-of-rust-version" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ActorLancer/Hash_Map-of-rust-version
[INFO] finished tweaking git repo https://github.com/ActorLancer/Hash_Map-of-rust-version
[INFO] tweaked toml for git repo https://github.com/ActorLancer/Hash_Map-of-rust-version written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ActorLancer/Hash_Map-of-rust-version on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ActorLancer/Hash_Map-of-rust-version 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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f021b4b1852f2bc3c9115bc6be75a864737b2b9e47d2a37fcb61acb6f0671b0
[INFO] running `Command { std: "docker" "start" "-a" "0f021b4b1852f2bc3c9115bc6be75a864737b2b9e47d2a37fcb61acb6f0671b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f021b4b1852f2bc3c9115bc6be75a864737b2b9e47d2a37fcb61acb6f0671b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f021b4b1852f2bc3c9115bc6be75a864737b2b9e47d2a37fcb61acb6f0671b0", kill_on_drop: false }`
[INFO] [stdout] 0f021b4b1852f2bc3c9115bc6be75a864737b2b9e47d2a37fcb61acb6f0671b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce757fbabd3c2b2a15739f606b2fa12413c021d4758d51834f80829156155085
[INFO] running `Command { std: "docker" "start" "-a" "ce757fbabd3c2b2a15739f606b2fa12413c021d4758d51834f80829156155085", kill_on_drop: false }`
[INFO] [stderr]     Checking hash_map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:143:65
[INFO] [stdout]     |
[INFO] [stdout] 143 |             .find_map(|pair| (key == pair.0.borrow()).then_some((&pair.1)))
[INFO] [stdout]     |                                                                 ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 143 -             .find_map(|pair| (key == pair.0.borrow()).then_some((&pair.1)))
[INFO] [stdout] 143 +             .find_map(|pair| (key == pair.0.borrow()).then_some(&pair.1 ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:143:65
[INFO] [stdout]     |
[INFO] [stdout] 143 |             .find_map(|pair| (key == pair.0.borrow()).then_some((&pair.1)))
[INFO] [stdout]     |                                                                 ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 143 -             .find_map(|pair| (key == pair.0.borrow()).then_some((&pair.1)))
[INFO] [stdout] 143 +             .find_map(|pair| (key == pair.0.borrow()).then_some(&pair.1 ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "ce757fbabd3c2b2a15739f606b2fa12413c021d4758d51834f80829156155085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce757fbabd3c2b2a15739f606b2fa12413c021d4758d51834f80829156155085", kill_on_drop: false }`
[INFO] [stdout] ce757fbabd3c2b2a15739f606b2fa12413c021d4758d51834f80829156155085
