[INFO] cloning repository https://github.com/nickexton/gh_art
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickexton/gh_art" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickexton%2Fgh_art", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickexton%2Fgh_art'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3101b2639432f47ff836176a480b2c5221838248
[INFO] checking nickexton/gh_art against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickexton%2Fgh_art" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nickexton/gh_art on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nickexton/gh_art
[INFO] finished tweaking git repo https://github.com/nickexton/gh_art
[INFO] tweaked toml for git repo https://github.com/nickexton/gh_art written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nickexton/gh_art already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51f9f07638477b5e07ed568129c0bcdae7be0b6a384e45a5f91f3716b76502db
[INFO] running `Command { std: "docker" "start" "-a" "51f9f07638477b5e07ed568129c0bcdae7be0b6a384e45a5f91f3716b76502db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51f9f07638477b5e07ed568129c0bcdae7be0b6a384e45a5f91f3716b76502db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f9f07638477b5e07ed568129c0bcdae7be0b6a384e45a5f91f3716b76502db", kill_on_drop: false }`
[INFO] [stdout] 51f9f07638477b5e07ed568129c0bcdae7be0b6a384e45a5f91f3716b76502db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d4b3a4c9c2f6e45ca268465ef482c03c5af5d24f17c1624a1a0cff9fcdefc19
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d4b3a4c9c2f6e45ca268465ef482c03c5af5d24f17c1624a1a0cff9fcdefc19", kill_on_drop: false }`
[INFO] [stderr]     Checking gh_art v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:47:45
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 '.' | ' ' => poke_git(date, ((delta * 0) + 1)),
[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 function argument
[INFO] [stdout]   --> src/main.rs:48:45
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 '+'       => poke_git(date, ((delta * 1) + 1)),
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:49:45
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 '*'       => poke_git(date, ((delta * 2) + 1)),
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:50:45
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 '#'       => poke_git(date, ((delta * 3) + 1)),
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:47:45
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 '.' | ' ' => poke_git(date, ((delta * 0) + 1)),
[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 function argument
[INFO] [stdout]   --> src/main.rs:48:45
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 '+'       => poke_git(date, ((delta * 1) + 1)),
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:49:45
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 '*'       => poke_git(date, ((delta * 2) + 1)),
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:50:45
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 '#'       => poke_git(date, ((delta * 3) + 1)),
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "6d4b3a4c9c2f6e45ca268465ef482c03c5af5d24f17c1624a1a0cff9fcdefc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d4b3a4c9c2f6e45ca268465ef482c03c5af5d24f17c1624a1a0cff9fcdefc19", kill_on_drop: false }`
[INFO] [stdout] 6d4b3a4c9c2f6e45ca268465ef482c03c5af5d24f17c1624a1a0cff9fcdefc19