[INFO] cloning repository https://github.com/electronicpanopticon/cuddly-chainsaw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/electronicpanopticon/cuddly-chainsaw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felectronicpanopticon%2Fcuddly-chainsaw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felectronicpanopticon%2Fcuddly-chainsaw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 831c0c176938a3b9387c1255e301a400e1e6ec65
[INFO] checking electronicpanopticon/cuddly-chainsaw against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felectronicpanopticon%2Fcuddly-chainsaw" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/electronicpanopticon/cuddly-chainsaw on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/electronicpanopticon/cuddly-chainsaw
[INFO] finished tweaking git repo https://github.com/electronicpanopticon/cuddly-chainsaw
[INFO] tweaked toml for git repo https://github.com/electronicpanopticon/cuddly-chainsaw written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/electronicpanopticon/cuddly-chainsaw already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/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[INFO] the lockfile is outdated, regenerating it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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6b5ace319eb6e8d8d44514e45ee069b7d9eaed0ae350b939d1f7a18dcf6bb93
[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" "d6b5ace319eb6e8d8d44514e45ee069b7d9eaed0ae350b939d1f7a18dcf6bb93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6b5ace319eb6e8d8d44514e45ee069b7d9eaed0ae350b939d1f7a18dcf6bb93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b5ace319eb6e8d8d44514e45ee069b7d9eaed0ae350b939d1f7a18dcf6bb93", kill_on_drop: false }`
[INFO] [stdout] d6b5ace319eb6e8d8d44514e45ee069b7d9eaed0ae350b939d1f7a18dcf6bb93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 8e31dfbb7f36f1d507f93d63b6d20c8c7da0b17d33789af088e5004722c8a4d5
[INFO] running `Command { std: "docker" "start" "-a" "8e31dfbb7f36f1d507f93d63b6d20c8c7da0b17d33789af088e5004722c8a4d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking cuddle-chainsaw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `hours_served`
[INFO] [stdout]   --> src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn hours_served(_from: NaiveTime, _to: NaiveTime) -> Result<i32, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hours_served__rounds_up` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn hours_served__rounds_up() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hours_served_rounds_up`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "8e31dfbb7f36f1d507f93d63b6d20c8c7da0b17d33789af088e5004722c8a4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e31dfbb7f36f1d507f93d63b6d20c8c7da0b17d33789af088e5004722c8a4d5", kill_on_drop: false }`
[INFO] [stdout] 8e31dfbb7f36f1d507f93d63b6d20c8c7da0b17d33789af088e5004722c8a4d5