[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] testing AlainHardy/rust_prime_finder against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlainHardy%2Frust_prime_finder" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlainHardy/rust_prime_finder on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-28/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2b0ef539e2ae01b8809814ea64a8e6ce72408cead6069684ae9e1ed21fcc50d
[INFO] running `Command { std: "docker" "start" "-a" "f2b0ef539e2ae01b8809814ea64a8e6ce72408cead6069684ae9e1ed21fcc50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2b0ef539e2ae01b8809814ea64a8e6ce72408cead6069684ae9e1ed21fcc50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b0ef539e2ae01b8809814ea64a8e6ce72408cead6069684ae9e1ed21fcc50d", kill_on_drop: false }`
[INFO] [stdout] f2b0ef539e2ae01b8809814ea64a8e6ce72408cead6069684ae9e1ed21fcc50d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f70aa77eb52fb751243fb2fac01c816e4ebb566c88c377597cf5c55c2418c45
[INFO] running `Command { std: "docker" "start" "-a" "1f70aa77eb52fb751243fb2fac01c816e4ebb566c88c377597cf5c55c2418c45", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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<u32> {
[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 0.77s
[INFO] running `Command { std: "docker" "inspect" "1f70aa77eb52fb751243fb2fac01c816e4ebb566c88c377597cf5c55c2418c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f70aa77eb52fb751243fb2fac01c816e4ebb566c88c377597cf5c55c2418c45", kill_on_drop: false }`
[INFO] [stdout] 1f70aa77eb52fb751243fb2fac01c816e4ebb566c88c377597cf5c55c2418c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c498facbe19d6af395afff548fad0b936eb0af010ca5bba50057920b4e76a2b2
[INFO] running `Command { std: "docker" "start" "-a" "c498facbe19d6af395afff548fad0b936eb0af010ca5bba50057920b4e76a2b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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<u32> {
[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 test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "c498facbe19d6af395afff548fad0b936eb0af010ca5bba50057920b4e76a2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c498facbe19d6af395afff548fad0b936eb0af010ca5bba50057920b4e76a2b2", kill_on_drop: false }`
[INFO] [stdout] c498facbe19d6af395afff548fad0b936eb0af010ca5bba50057920b4e76a2b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f63f4cf4d77e45876a80b2e7c70dfe14ceecae9a2eb7fa71ff4472e6f4cf2a7
[INFO] running `Command { std: "docker" "start" "-a" "0f63f4cf4d77e45876a80b2e7c70dfe14ceecae9a2eb7fa71ff4472e6f4cf2a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `compute_for`
[INFO] [stderr]  --> src/prime_finder.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn compute_for(value: u32) -> Vec<u32> {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_prime_finder` (bin "rust_prime_finder" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_prime_finder-90c21783c9c41569)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f63f4cf4d77e45876a80b2e7c70dfe14ceecae9a2eb7fa71ff4472e6f4cf2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f63f4cf4d77e45876a80b2e7c70dfe14ceecae9a2eb7fa71ff4472e6f4cf2a7", kill_on_drop: false }`
[INFO] [stdout] 0f63f4cf4d77e45876a80b2e7c70dfe14ceecae9a2eb7fa71ff4472e6f4cf2a7