[INFO] cloning repository https://github.com/cowang4/rusty_primes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cowang4/rusty_primes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcowang4%2Frusty_primes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcowang4%2Frusty_primes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 21bc62830ae1854e493e277aa730cb01c23bc4b6 [INFO] testing cowang4/rusty_primes against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcowang4%2Frusty_primes" "/workspace/builds/worker-96/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cowang4/rusty_primes on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cowang4/rusty_primes [INFO] finished tweaking git repo https://github.com/cowang4/rusty_primes [INFO] tweaked toml for git repo https://github.com/cowang4/rusty_primes written to /workspace/builds/worker-96/source/Cargo.toml [INFO] crate git repo https://github.com/cowang4/rusty_primes already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 963f15dc97de5924b6226e4b660ae87aa4e101e6e1a8a2e2cd7c99eeedbc7033 [INFO] running `Command { std: "docker" "start" "-a" "963f15dc97de5924b6226e4b660ae87aa4e101e6e1a8a2e2cd7c99eeedbc7033", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "963f15dc97de5924b6226e4b660ae87aa4e101e6e1a8a2e2cd7c99eeedbc7033", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "963f15dc97de5924b6226e4b660ae87aa4e101e6e1a8a2e2cd7c99eeedbc7033", kill_on_drop: false }` [INFO] [stdout] 963f15dc97de5924b6226e4b660ae87aa4e101e6e1a8a2e2cd7c99eeedbc7033 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a7d2ccc396f5946764ef9e4133b308468644dfab478fed64a46a6329153e9d2 [INFO] running `Command { std: "docker" "start" "-a" "2a7d2ccc396f5946764ef9e4133b308468644dfab478fed64a46a6329153e9d2", kill_on_drop: false }` [INFO] [stderr] Compiling rusty_primes v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | / ((i*i)..n) [INFO] [stdout] 15 | | .step_by(i) [INFO] [stdout] 16 | | .map(|i| primes[i] = false) [INFO] [stdout] 17 | | .collect::<()>(); [INFO] [stdout] | |_____________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | / primes [INFO] [stdout] 31 | | .iter() [INFO] [stdout] 32 | | .map(|i| println!("{}", i)) [INFO] [stdout] 33 | | .collect::<()>(); [INFO] [stdout] | |_________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "2a7d2ccc396f5946764ef9e4133b308468644dfab478fed64a46a6329153e9d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a7d2ccc396f5946764ef9e4133b308468644dfab478fed64a46a6329153e9d2", kill_on_drop: false }` [INFO] [stdout] 2a7d2ccc396f5946764ef9e4133b308468644dfab478fed64a46a6329153e9d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2ef8cb6d8bccf41f80828996b60f6adec8159024f5778440d3c9ecaedf4c87d [INFO] running `Command { std: "docker" "start" "-a" "f2ef8cb6d8bccf41f80828996b60f6adec8159024f5778440d3c9ecaedf4c87d", kill_on_drop: false }` [INFO] [stderr] Compiling rusty_primes v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | / ((i*i)..n) [INFO] [stdout] 15 | | .step_by(i) [INFO] [stdout] 16 | | .map(|i| primes[i] = false) [INFO] [stdout] 17 | | .collect::<()>(); [INFO] [stdout] | |_____________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | / primes [INFO] [stdout] 31 | | .iter() [INFO] [stdout] 32 | | .map(|i| println!("{}", i)) [INFO] [stdout] 33 | | .collect::<()>(); [INFO] [stdout] | |_________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "f2ef8cb6d8bccf41f80828996b60f6adec8159024f5778440d3c9ecaedf4c87d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2ef8cb6d8bccf41f80828996b60f6adec8159024f5778440d3c9ecaedf4c87d", kill_on_drop: false }` [INFO] [stdout] f2ef8cb6d8bccf41f80828996b60f6adec8159024f5778440d3c9ecaedf4c87d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8619b8e35660f04a93f06fbcec90faa0a0e8b270a11b3a2606d1c076b8b9cc30 [INFO] running `Command { std: "docker" "start" "-a" "8619b8e35660f04a93f06fbcec90faa0a0e8b270a11b3a2606d1c076b8b9cc30", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused return value of `collect` that must be used [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | / ((i*i)..n) [INFO] [stderr] 15 | | .step_by(i) [INFO] [stderr] 16 | | .map(|i| primes[i] = false) [INFO] [stderr] 17 | | .collect::<()>(); [INFO] [stderr] | |_____________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `collect` that must be used [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | / primes [INFO] [stderr] 31 | | .iter() [INFO] [stderr] 32 | | .map(|i| println!("{}", i)) [INFO] [stderr] 33 | | .collect::<()>(); [INFO] [stderr] | |_________________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: `rusty_primes` (bin "rusty_primes" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rusty_primes-f3aa4faec03e866a) [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" "8619b8e35660f04a93f06fbcec90faa0a0e8b270a11b3a2606d1c076b8b9cc30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8619b8e35660f04a93f06fbcec90faa0a0e8b270a11b3a2606d1c076b8b9cc30", kill_on_drop: false }` [INFO] [stdout] 8619b8e35660f04a93f06fbcec90faa0a0e8b270a11b3a2606d1c076b8b9cc30