[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 try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickexton%2Fgh_art" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nickexton/gh_art on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.1.35
[INFO] [stderr]   Downloaded num-traits v0.1.35
[INFO] [stderr]   Downloaded libc v0.2.15
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 0a308bb1e4d82dcd4f7784a1259d3f28ff69aa2d348651f0c6226887a8aa6b47
[INFO] running `Command { std: "docker" "start" "-a" "0a308bb1e4d82dcd4f7784a1259d3f28ff69aa2d348651f0c6226887a8aa6b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a308bb1e4d82dcd4f7784a1259d3f28ff69aa2d348651f0c6226887a8aa6b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a308bb1e4d82dcd4f7784a1259d3f28ff69aa2d348651f0c6226887a8aa6b47", kill_on_drop: false }`
[INFO] [stdout] 0a308bb1e4d82dcd4f7784a1259d3f28ff69aa2d348651f0c6226887a8aa6b47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d10fb9f8af960155ccafe701c61afcd27a47209527fa5c84a22bd767841a050
[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" "0d10fb9f8af960155ccafe701c61afcd27a47209527fa5c84a22bd767841a050", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num v0.1.35
[INFO] [stderr]     Checking chrono v0.2.25
[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 3.56s
[INFO] running `Command { std: "docker" "inspect" "0d10fb9f8af960155ccafe701c61afcd27a47209527fa5c84a22bd767841a050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d10fb9f8af960155ccafe701c61afcd27a47209527fa5c84a22bd767841a050", kill_on_drop: false }`
[INFO] [stdout] 0d10fb9f8af960155ccafe701c61afcd27a47209527fa5c84a22bd767841a050