[INFO] cloning repository https://github.com/cassidea/dailyprog_380_1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cassidea/dailyprog_380_1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassidea%2Fdailyprog_380_1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassidea%2Fdailyprog_380_1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de16cbba9bd9a85f2636d7c247056abddcc0de71
[INFO] checking cassidea/dailyprog_380_1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassidea%2Fdailyprog_380_1" "/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/cassidea/dailyprog_380_1
[INFO] finished tweaking git repo https://github.com/cassidea/dailyprog_380_1
[INFO] tweaked toml for git repo https://github.com/cassidea/dailyprog_380_1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cassidea/dailyprog_380_1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cassidea/dailyprog_380_1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.64
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f6fea4365a8c96824a028be420b27c931d9b58038c732e7bde0e2a8e1dbaebd
[INFO] running `Command { std: "docker" "start" "-a" "1f6fea4365a8c96824a028be420b27c931d9b58038c732e7bde0e2a8e1dbaebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f6fea4365a8c96824a028be420b27c931d9b58038c732e7bde0e2a8e1dbaebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6fea4365a8c96824a028be420b27c931d9b58038c732e7bde0e2a8e1dbaebd", kill_on_drop: false }`
[INFO] [stdout] 1f6fea4365a8c96824a028be420b27c931d9b58038c732e7bde0e2a8e1dbaebd
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b998d60b82046b63d19b28971bae5574b5078b64eae492ff82f56d1b8b824418
[INFO] running `Command { std: "docker" "start" "-a" "b998d60b82046b63d19b28971bae5574b5078b64eae492ff82f56d1b8b824418", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking challenge380-morse1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/challenges.rs:229:24
[INFO] [stdout]     |
[INFO] [stdout] 229 |             Some(x) => (h = x),
[INFO] [stdout]     |                        ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 229 -             Some(x) => (h = x),
[INFO] [stdout] 229 +             Some(x) => h = x,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/challenges.rs:229:24
[INFO] [stdout]     |
[INFO] [stdout] 229 |             Some(x) => (h = x),
[INFO] [stdout]     |                        ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 229 -             Some(x) => (h = x),
[INFO] [stdout] 229 +             Some(x) => h = x,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "b998d60b82046b63d19b28971bae5574b5078b64eae492ff82f56d1b8b824418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b998d60b82046b63d19b28971bae5574b5078b64eae492ff82f56d1b8b824418", kill_on_drop: false }`
[INFO] [stdout] b998d60b82046b63d19b28971bae5574b5078b64eae492ff82f56d1b8b824418