[INFO] cloning repository https://github.com/YusukeSuzuki160/255-c [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YusukeSuzuki160/255-c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYusukeSuzuki160%2F255-c", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYusukeSuzuki160%2F255-c'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 418f708660877d0834b3ae7fff0696ebdbb2e868 [INFO] testing YusukeSuzuki160/255-c against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYusukeSuzuki160%2F255-c" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/YusukeSuzuki160/255-c [INFO] finished tweaking git repo https://github.com/YusukeSuzuki160/255-c [INFO] tweaked toml for git repo https://github.com/YusukeSuzuki160/255-c written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/YusukeSuzuki160/255-c on toolchain 1.99.0-beta.8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/YusukeSuzuki160/255-c 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-xid v0.1.0 [INFO] [stderr] Downloaded quote v0.6.12 [INFO] [stderr] Downloaded proconio v0.3.6 [INFO] [stderr] Downloaded proconio-derive v0.1.5 [INFO] [stderr] Downloaded cli_test_dir v0.1.7 [INFO] [stderr] Downloaded lazy_static v1.3.0 [INFO] [stderr] Downloaded proc-macro2 v0.4.30 [INFO] [stderr] Downloaded syn v0.15.39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f [INFO] running `Command { std: "docker" "start" "40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling proconio-derive v0.1.5 [INFO] [stderr] Compiling proconio v0.3.6 [INFO] [stderr] Compiling abc-c v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut ans = x - a; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ans_times` is never read [INFO] [stdout] --> src/main.rs:16:25 [INFO] [stdout] | [INFO] [stdout] 16 | let mut ans_times = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 53 | ans_times = (-ans) % (-d); [INFO] [stdout] | ------------------------- `ans_times` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 5.46s [INFO] running `Command { std: "docker" "inspect" "40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling cli_test_dir v0.1.7 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut ans = x - a; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ans_times` is never read [INFO] [stdout] --> src/main.rs:16:25 [INFO] [stdout] | [INFO] [stdout] 16 | let mut ans_times = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 53 | ans_times = (-ans) % (-d); [INFO] [stdout] | ------------------------- `ans_times` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling abc-c v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut ans = x - a; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ans_times` is never read [INFO] [stdout] --> src/main.rs:16:25 [INFO] [stdout] | [INFO] [stdout] 16 | let mut ans_times = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 53 | ans_times = (-ans) % (-d); [INFO] [stdout] | ------------------------- `ans_times` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 1.10s [INFO] running `Command { std: "docker" "inspect" "40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut ans = x - a; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `ans_times` is never read [INFO] [stderr] --> src/main.rs:16:25 [INFO] [stderr] | [INFO] [stderr] 16 | let mut ans_times = 0; [INFO] [stderr] | ^ this value is reassigned later and never used [INFO] [stderr] ... [INFO] [stderr] 53 | ans_times = (-ans) % (-d); [INFO] [stderr] | ------------------------- `ans_times` is overwritten here before the previous value is read [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `abc-c` (bin "main" test) generated 2 warnings (run `cargo fix --bin "main" -p abc-c --tests` to apply 1 suggestion) [INFO] [stderr] warning: `abc-c` (bin "main") generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/release/deps/main-2b0a92386db657c1) [INFO] [stderr] Running tests/sample_inputs.rs (/opt/rustwide/target/release/deps/sample_inputs-25aadbfd0670f374) [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] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] 0 [INFO] [stdout] test sample2 ... ok [INFO] [stdout] 444445 [INFO] [stdout] test sample4 ... ok [INFO] [stdout] 1 [INFO] [stdout] test sample1 ... ok [INFO] [stdout] 998244363 [INFO] [stdout] test sample3 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f", kill_on_drop: false }` [INFO] [stdout] 40792b962d1defcd28de3237d2623cbeb55e97aecbc65058bb192081dc984e7f