[INFO] cloning repository https://github.com/kasworld/primecalc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kasworld/primecalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasworld%2Fprimecalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasworld%2Fprimecalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 782d055dfe04929ddca37baf4b800fa056d0d50f
[INFO] checking kasworld/primecalc against master#f7b43542838f0a4a6cfdb17fbeadf45002042a77 for pr-138499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasworld%2Fprimecalc" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kasworld/primecalc on toolchain f7b43542838f0a4a6cfdb17fbeadf45002042a77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kasworld/primecalc
[INFO] finished tweaking git repo https://github.com/kasworld/primecalc
[INFO] tweaked toml for git repo https://github.com/kasworld/primecalc written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kasworld/primecalc 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" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a062e49f1d29efba03fa2bc107ea03c224f789911589c1cb32ac8d15f9a7511b
[INFO] running `Command { std: "docker" "start" "-a" "a062e49f1d29efba03fa2bc107ea03c224f789911589c1cb32ac8d15f9a7511b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a062e49f1d29efba03fa2bc107ea03c224f789911589c1cb32ac8d15f9a7511b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a062e49f1d29efba03fa2bc107ea03c224f789911589c1cb32ac8d15f9a7511b", kill_on_drop: false }`
[INFO] [stdout] a062e49f1d29efba03fa2bc107ea03c224f789911589c1cb32ac8d15f9a7511b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ccd6e6f59529461f5373727da08174dc350391a7570b4954629330eef29e282
[INFO] running `Command { std: "docker" "start" "-a" "1ccd6e6f59529461f5373727da08174dc350391a7570b4954629330eef29e282", kill_on_drop: false }`
[INFO] [stderr]     Checking primecalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]    --> src/prime_vec.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub fn is_prime(prime_to_find: Element) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]    --> src/prime_vec.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub fn is_prime(prime_to_find: Element) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "1ccd6e6f59529461f5373727da08174dc350391a7570b4954629330eef29e282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ccd6e6f59529461f5373727da08174dc350391a7570b4954629330eef29e282", kill_on_drop: false }`
[INFO] [stdout] 1ccd6e6f59529461f5373727da08174dc350391a7570b4954629330eef29e282