[INFO] cloning repository https://github.com/AlainHardy/rust_prime_finder [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlainHardy/rust_prime_finder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlainHardy%2Frust_prime_finder", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlainHardy%2Frust_prime_finder'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1557eb0b1deed2e667b1fa301059705fb036b2de [INFO] checking AlainHardy/rust_prime_finder against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlainHardy%2Frust_prime_finder" "/workspace/builds/worker-77/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AlainHardy/rust_prime_finder on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AlainHardy/rust_prime_finder [INFO] finished tweaking git repo https://github.com/AlainHardy/rust_prime_finder [INFO] tweaked toml for git repo https://github.com/AlainHardy/rust_prime_finder written to /workspace/builds/worker-77/source/Cargo.toml [INFO] crate git repo https://github.com/AlainHardy/rust_prime_finder already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 121c48356e28b9e45d1567c3791ac32f779adee19eddfd807e443d93f0fcc5d9 [INFO] running `Command { std: "docker" "start" "-a" "121c48356e28b9e45d1567c3791ac32f779adee19eddfd807e443d93f0fcc5d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "121c48356e28b9e45d1567c3791ac32f779adee19eddfd807e443d93f0fcc5d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "121c48356e28b9e45d1567c3791ac32f779adee19eddfd807e443d93f0fcc5d9", kill_on_drop: false }` [INFO] [stdout] 121c48356e28b9e45d1567c3791ac32f779adee19eddfd807e443d93f0fcc5d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c148ef27aad99ae57b89cf04a2e1f54f33e2402686f4ac9ec62c78805f1fcfe7 [INFO] running `Command { std: "docker" "start" "-a" "c148ef27aad99ae57b89cf04a2e1f54f33e2402686f4ac9ec62c78805f1fcfe7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rust_prime_finder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `compute_for` [INFO] [stdout] --> src/prime_finder.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn compute_for(value: u32) -> Vec { [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 is never used: `compute_for` [INFO] [stdout] --> src/prime_finder.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn compute_for(value: u32) -> Vec { [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "c148ef27aad99ae57b89cf04a2e1f54f33e2402686f4ac9ec62c78805f1fcfe7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c148ef27aad99ae57b89cf04a2e1f54f33e2402686f4ac9ec62c78805f1fcfe7", kill_on_drop: false }` [INFO] [stdout] c148ef27aad99ae57b89cf04a2e1f54f33e2402686f4ac9ec62c78805f1fcfe7