[INFO] cloning repository https://github.com/zx9w/old-rust-homework [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zx9w/old-rust-homework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzx9w%2Fold-rust-homework", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzx9w%2Fold-rust-homework'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d70dc616dbbf236976426810837a9576c5eaa1be [INFO] testing zx9w/old-rust-homework against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzx9w%2Fold-rust-homework" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zx9w/old-rust-homework on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zx9w/old-rust-homework [INFO] finished tweaking git repo https://github.com/zx9w/old-rust-homework [INFO] tweaked toml for git repo https://github.com/zx9w/old-rust-homework written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/zx9w/old-rust-homework already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec83e1831477730ab6d832adcacfa66dc3e1e511f7ebd5de7a0f98dd09ee396f [INFO] running `Command { std: "docker" "start" "-a" "ec83e1831477730ab6d832adcacfa66dc3e1e511f7ebd5de7a0f98dd09ee396f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec83e1831477730ab6d832adcacfa66dc3e1e511f7ebd5de7a0f98dd09ee396f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec83e1831477730ab6d832adcacfa66dc3e1e511f7ebd5de7a0f98dd09ee396f", kill_on_drop: false }` [INFO] [stdout] ec83e1831477730ab6d832adcacfa66dc3e1e511f7ebd5de7a0f98dd09ee396f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95c8188fb2a663b4ef28302e76235e005d3e2bc3f2b8283715b6041e74556d67 [INFO] running `Command { std: "docker" "start" "-a" "95c8188fb2a663b4ef28302e76235e005d3e2bc3f2b8283715b6041e74556d67", kill_on_drop: false }` [INFO] [stderr] Compiling rand_os v0.1.2 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling vika5 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `h1` [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let h1 = vec![195, 204, 395, 409, 595, 618,795,836,995,1072,1195,1344,1395]; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_h1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut x: f64 = 0.0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generate_hotels` [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn generate_hotels(n: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.14s [INFO] running `Command { std: "docker" "inspect" "95c8188fb2a663b4ef28302e76235e005d3e2bc3f2b8283715b6041e74556d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95c8188fb2a663b4ef28302e76235e005d3e2bc3f2b8283715b6041e74556d67", kill_on_drop: false }` [INFO] [stdout] 95c8188fb2a663b4ef28302e76235e005d3e2bc3f2b8283715b6041e74556d67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9767a893eccc8889b90586561c72eb806e6a3b32d80ea958962cf5b57f6d9473 [INFO] running `Command { std: "docker" "start" "-a" "9767a893eccc8889b90586561c72eb806e6a3b32d80ea958962cf5b57f6d9473", kill_on_drop: false }` [INFO] [stderr] Compiling vika5 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `h1` [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let h1 = vec![195, 204, 395, 409, 595, 618,795,836,995,1072,1195,1344,1395]; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_h1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut x: f64 = 0.0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generate_hotels` [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn generate_hotels(n: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "9767a893eccc8889b90586561c72eb806e6a3b32d80ea958962cf5b57f6d9473", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9767a893eccc8889b90586561c72eb806e6a3b32d80ea958962cf5b57f6d9473", kill_on_drop: false }` [INFO] [stdout] 9767a893eccc8889b90586561c72eb806e6a3b32d80ea958962cf5b57f6d9473 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 997baf366339d67260896345c3abad85913371cdd00a183eb4ac9af43c3ee7d5 [INFO] running `Command { std: "docker" "start" "-a" "997baf366339d67260896345c3abad85913371cdd00a183eb4ac9af43c3ee7d5", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `h1` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:6:9 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 6 | let h1 = vec![195, 204, 395, 409, 595, 618,795,836,995,1072,1195,1344,1395]; [INFO] [stdout] [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_h1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/main.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let mut x: f64 = 0.0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: function is never used: `generate_hotels` [INFO] [stderr] --> src/main.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn generate_hotels(n: usize) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/vika5-0923cbbe56bff798) [INFO] running `Command { std: "docker" "inspect" "997baf366339d67260896345c3abad85913371cdd00a183eb4ac9af43c3ee7d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "997baf366339d67260896345c3abad85913371cdd00a183eb4ac9af43c3ee7d5", kill_on_drop: false }` [INFO] [stdout] 997baf366339d67260896345c3abad85913371cdd00a183eb4ac9af43c3ee7d5