[INFO] cloning repository https://github.com/rstratton/project-euler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rstratton/project-euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frstratton%2Fproject-euler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frstratton%2Fproject-euler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a678fd7dfac2b0b05b7c3dd66cd72726b779337
[INFO] checking rstratton/project-euler-rust against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frstratton%2Fproject-euler-rust" "/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/rstratton/project-euler-rust
[INFO] finished tweaking git repo https://github.com/rstratton/project-euler-rust
[INFO] tweaked toml for git repo https://github.com/rstratton/project-euler-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rstratton/project-euler-rust on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rstratton/project-euler-rust 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.2.5
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2931bfedd17e697f8a9ade7812e32f021546c2e3bbf4512dcaec899217667cb8
[INFO] running `Command { std: "docker" "start" "-a" "2931bfedd17e697f8a9ade7812e32f021546c2e3bbf4512dcaec899217667cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2931bfedd17e697f8a9ade7812e32f021546c2e3bbf4512dcaec899217667cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2931bfedd17e697f8a9ade7812e32f021546c2e3bbf4512dcaec899217667cb8", kill_on_drop: false }`
[INFO] [stdout] 2931bfedd17e697f8a9ade7812e32f021546c2e3bbf4512dcaec899217667cb8
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d24564118a09bc6812917401739473c80fc13d4a1577f19d789ac987473641c3
[INFO] running `Command { std: "docker" "start" "-a" "d24564118a09bc6812917401739473c80fc13d4a1577f19d789ac987473641c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]     Checking project-euler-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/bin/s008.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |             .map(|c| (c.to_digit(10).unwrap() as u64))
[INFO] [stdout]    |                      ^                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -             .map(|c| (c.to_digit(10).unwrap() as u64))
[INFO] [stdout] 19 +             .map(|c| c.to_digit(10).unwrap() as u64)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/bin/s008.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |             .map(|c| (c.to_digit(10).unwrap() as u64))
[INFO] [stdout]    |                      ^                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -             .map(|c| (c.to_digit(10).unwrap() as u64))
[INFO] [stdout] 19 +             .map(|c| c.to_digit(10).unwrap() as u64)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "d24564118a09bc6812917401739473c80fc13d4a1577f19d789ac987473641c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24564118a09bc6812917401739473c80fc13d4a1577f19d789ac987473641c3", kill_on_drop: false }`
[INFO] [stdout] d24564118a09bc6812917401739473c80fc13d4a1577f19d789ac987473641c3