[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#9050733395f7c10560d49f549e022f411fa28cea for pr-146972
[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 9050733395f7c10560d49f549e022f411fa28cea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "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" "+9050733395f7c10560d49f549e022f411fa28cea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4307c31e16362045e8d3783611e9db6c9f2e3f086da14c7cce7d6d6eb6622fd0
[INFO] running `Command { std: "docker" "start" "-a" "4307c31e16362045e8d3783611e9db6c9f2e3f086da14c7cce7d6d6eb6622fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4307c31e16362045e8d3783611e9db6c9f2e3f086da14c7cce7d6d6eb6622fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4307c31e16362045e8d3783611e9db6c9f2e3f086da14c7cce7d6d6eb6622fd0", kill_on_drop: false }`
[INFO] [stdout] 4307c31e16362045e8d3783611e9db6c9f2e3f086da14c7cce7d6d6eb6622fd0
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 620b624ec0de3f15e0b370519857cb6d4fc9e1aaa33a3ddf2de3362445f567ed
[INFO] running `Command { std: "docker" "start" "-a" "620b624ec0de3f15e0b370519857cb6d4fc9e1aaa33a3ddf2de3362445f567ed", 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 0.09s
[INFO] running `Command { std: "docker" "inspect" "620b624ec0de3f15e0b370519857cb6d4fc9e1aaa33a3ddf2de3362445f567ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620b624ec0de3f15e0b370519857cb6d4fc9e1aaa33a3ddf2de3362445f567ed", kill_on_drop: false }`
[INFO] [stdout] 620b624ec0de3f15e0b370519857cb6d4fc9e1aaa33a3ddf2de3362445f567ed
