[INFO] cloning repository https://github.com/taishi-sama/sample_program_engineering [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taishi-sama/sample_program_engineering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/taishi-sama/sample_program_engineering [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taishi-sama/sample_program_engineering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/taishi-sama/sample_program_engineering [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taishi-sama/sample_program_engineering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/taishi-sama/sample_program_engineering [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taishi-sama/sample_program_engineering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/taishi-sama/sample_program_engineering [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taishi-sama/sample_program_engineering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/taishi-sama/sample_program_engineering [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taishi-sama/sample_program_engineering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/taishi-sama/sample_program_engineering [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taishi-sama/sample_program_engineering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/taishi-sama/sample_program_engineering [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taishi-sama/sample_program_engineering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca3423d88e39db23bd147ec8fb665e1c543f247e [INFO] testing taishi-sama/sample_program_engineering against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/taishi-sama/sample_program_engineering on toolchain 595316b4006932405a63862d8fe65f71a6356293 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/taishi-sama/sample_program_engineering [INFO] finished tweaking git repo https://github.com/taishi-sama/sample_program_engineering [INFO] tweaked toml for git repo https://github.com/taishi-sama/sample_program_engineering written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/taishi-sama/sample_program_engineering 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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] testing taishi-sama/sample_program_engineering against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaishi-sama%2Fsample_program_engineering" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/taishi-sama/sample_program_engineering on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/taishi-sama/sample_program_engineering [INFO] finished tweaking git repo https://github.com/taishi-sama/sample_program_engineering [INFO] tweaked toml for git repo https://github.com/taishi-sama/sample_program_engineering written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/taishi-sama/sample_program_engineering 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c0868c8d2c2d8d4ea9976e7b9eee892e024e8eb4b707c0ca35f160a71291799 [INFO] running `Command { std: "docker" "start" "-a" "0c0868c8d2c2d8d4ea9976e7b9eee892e024e8eb4b707c0ca35f160a71291799", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c0868c8d2c2d8d4ea9976e7b9eee892e024e8eb4b707c0ca35f160a71291799", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c0868c8d2c2d8d4ea9976e7b9eee892e024e8eb4b707c0ca35f160a71291799", kill_on_drop: false }` [INFO] [stdout] 0c0868c8d2c2d8d4ea9976e7b9eee892e024e8eb4b707c0ca35f160a71291799 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d2f83ba7307ab63513b4c22b902160bc6b77f6cce26a3053b806bea51411ff1e [INFO] running `Command { std: "docker" "start" "-a" "d2f83ba7307ab63513b4c22b902160bc6b77f6cce26a3053b806bea51411ff1e", kill_on_drop: false }` [INFO] [stderr] Compiling sample_program_engineering v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ind` [INFO] [stdout] --> src/main.rs:49:68 [INFO] [stdout] | [INFO] [stdout] 49 | if let Some(incorrect_ind) = weights.iter().enumerate().find(|(ind, x)| x.is_err()).map(|(ind, _)| ind) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ind` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ind` [INFO] [stdout] --> src/main.rs:59:66 [INFO] [stdout] | [INFO] [stdout] 59 | if let Some(incorrect_ind) = costs.iter().enumerate().find(|(ind, x)| x.is_err()).map(|(ind, _)| ind) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ind` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "d2f83ba7307ab63513b4c22b902160bc6b77f6cce26a3053b806bea51411ff1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2f83ba7307ab63513b4c22b902160bc6b77f6cce26a3053b806bea51411ff1e", kill_on_drop: false }` [INFO] [stdout] d2f83ba7307ab63513b4c22b902160bc6b77f6cce26a3053b806bea51411ff1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f117ec3f26b896a89d31ce64f117f309044f816a8f617fe32d1e3d6f1e5eaae8 [INFO] running `Command { std: "docker" "start" "-a" "f117ec3f26b896a89d31ce64f117f309044f816a8f617fe32d1e3d6f1e5eaae8", kill_on_drop: false }` [INFO] [stderr] Compiling sample_program_engineering v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ind` [INFO] [stdout] --> src/main.rs:49:68 [INFO] [stdout] | [INFO] [stdout] 49 | if let Some(incorrect_ind) = weights.iter().enumerate().find(|(ind, x)| x.is_err()).map(|(ind, _)| ind) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ind` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ind` [INFO] [stdout] --> src/main.rs:59:66 [INFO] [stdout] | [INFO] [stdout] 59 | if let Some(incorrect_ind) = costs.iter().enumerate().find(|(ind, x)| x.is_err()).map(|(ind, _)| ind) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ind` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "f117ec3f26b896a89d31ce64f117f309044f816a8f617fe32d1e3d6f1e5eaae8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f117ec3f26b896a89d31ce64f117f309044f816a8f617fe32d1e3d6f1e5eaae8", kill_on_drop: false }` [INFO] [stdout] f117ec3f26b896a89d31ce64f117f309044f816a8f617fe32d1e3d6f1e5eaae8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9c905d596a5b62c17c260c92d813e0d34f7f21a584afd696a6532b323520be6c [INFO] running `Command { std: "docker" "start" "-a" "9c905d596a5b62c17c260c92d813e0d34f7f21a584afd696a6532b323520be6c", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `ind` [INFO] [stderr] --> src/main.rs:49:68 [INFO] [stderr] | [INFO] [stderr] 49 | if let Some(incorrect_ind) = weights.iter().enumerate().find(|(ind, x)| x.is_err()).map(|(ind, _)| ind) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_ind` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ind` [INFO] [stderr] --> src/main.rs:59:66 [INFO] [stderr] | [INFO] [stderr] 59 | if let Some(incorrect_ind) = costs.iter().enumerate().find(|(ind, x)| x.is_err()).map(|(ind, _)| ind) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_ind` [INFO] [stderr] [INFO] [stderr] warning: `sample_program_engineering` (bin "sample_program_engineering" test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sample_program_engineering-7dc2b7ce733a5cd3) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::test_p07 ... ok [INFO] [stdout] test tests::test_p06 ... ok [INFO] [stdout] test tests::test_p04 ... ok [INFO] [stdout] test tests::test_p02 ... ok [INFO] [stdout] test tests::test_p01 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9c905d596a5b62c17c260c92d813e0d34f7f21a584afd696a6532b323520be6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c905d596a5b62c17c260c92d813e0d34f7f21a584afd696a6532b323520be6c", kill_on_drop: false }` [INFO] [stdout] 9c905d596a5b62c17c260c92d813e0d34f7f21a584afd696a6532b323520be6c