[INFO] cloning repository https://github.com/wbquinn/rust-book-srep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wbquinn/rust-book-srep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbquinn%2Frust-book-srep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbquinn%2Frust-book-srep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0be91970a54c0115eb1898e355b5a7a912b3702
[INFO] linting wbquinn/rust-book-srep against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbquinn%2Frust-book-srep" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wbquinn/rust-book-srep
[INFO] finished tweaking git repo https://github.com/wbquinn/rust-book-srep
[INFO] tweaked toml for git repo https://github.com/wbquinn/rust-book-srep written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wbquinn/rust-book-srep on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wbquinn/rust-book-srep 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 794506ce3fa45d4f0cbe25ad0f00864c5b3f86624e0183bd30be2328e4b1456b
[INFO] running `Command { std: "docker" "start" "-a" "794506ce3fa45d4f0cbe25ad0f00864c5b3f86624e0183bd30be2328e4b1456b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "794506ce3fa45d4f0cbe25ad0f00864c5b3f86624e0183bd30be2328e4b1456b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794506ce3fa45d4f0cbe25ad0f00864c5b3f86624e0183bd30be2328e4b1456b", kill_on_drop: false }`
[INFO] [stdout] 794506ce3fa45d4f0cbe25ad0f00864c5b3f86624e0183bd30be2328e4b1456b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec9fd9b4c9dcdb45ecad421da38060c66d1afd0859d9469425d3a65551064329
[INFO] running `Command { std: "docker" "start" "-a" "ec9fd9b4c9dcdb45ecad421da38060c66d1afd0859d9469425d3a65551064329", kill_on_drop: false }`
[INFO] [stderr]     Checking srep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/lib.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |         assert!(!result.is_ok());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: try: `result.is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> src/lib.rs:73:56
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let args = command_line.split_whitespace().map(|arg| String::from(arg));
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]    = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/lib.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |         assert!(!result.is_ok());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: try: `result.is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]   --> src/lib.rs:88:56
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let args = command_line.split_whitespace().map(|arg| String::from(arg));
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/lib.rs:103:56
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let args = command_line.split_whitespace().map(|arg| String::from(arg));
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the associated function itself: `String::from`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "ec9fd9b4c9dcdb45ecad421da38060c66d1afd0859d9469425d3a65551064329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9fd9b4c9dcdb45ecad421da38060c66d1afd0859d9469425d3a65551064329", kill_on_drop: false }`
[INFO] [stdout] ec9fd9b4c9dcdb45ecad421da38060c66d1afd0859d9469425d3a65551064329