[INFO] cloning repository https://github.com/nakedtatsuya/aoj [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nakedtatsuya/aoj" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakedtatsuya%2Faoj", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakedtatsuya%2Faoj'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 357d0d2f89725b6ef1b33f4fea87e2595a21f12c [INFO] checking nakedtatsuya/aoj against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakedtatsuya%2Faoj" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nakedtatsuya/aoj on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nakedtatsuya/aoj [INFO] finished tweaking git repo https://github.com/nakedtatsuya/aoj [INFO] tweaked toml for git repo https://github.com/nakedtatsuya/aoj written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nakedtatsuya/aoj 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proconio v0.4.3 [INFO] [stderr] Downloaded ordered-float v3.1.0 [INFO] [stderr] Downloaded simba v0.7.2 [INFO] [stderr] Downloaded nalgebra v0.31.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01f80121de97b779ba516f0f011a5036e7ab365ef9428480045168b09c09d087 [INFO] running `Command { std: "docker" "start" "-a" "01f80121de97b779ba516f0f011a5036e7ab365ef9428480045168b09c09d087", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01f80121de97b779ba516f0f011a5036e7ab365ef9428480045168b09c09d087", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01f80121de97b779ba516f0f011a5036e7ab365ef9428480045168b09c09d087", kill_on_drop: false }` [INFO] [stdout] 01f80121de97b779ba516f0f011a5036e7ab365ef9428480045168b09c09d087 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2802f8285a5af8829ea16a3313782df6fd2ec636cc720916d94daae2dbafcde [INFO] running `Command { std: "docker" "start" "-a" "c2802f8285a5af8829ea16a3313782df6fd2ec636cc720916d94daae2dbafcde", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.5 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling libc v0.2.133 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling syn v1.0.100 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking bytemuck v1.12.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Compiling im-rc v15.1.0 [INFO] [stderr] Checking safe_arch v0.6.0 [INFO] [stderr] Compiling paste v1.0.9 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking proconio v0.4.3 [INFO] [stderr] Checking bitset-fixed v0.1.0 [INFO] [stderr] Checking superslice v1.0.0 [INFO] [stderr] Checking itertools v0.10.4 [INFO] [stderr] Checking wide v0.7.4 [INFO] [stderr] Checking permutohedron v0.2.4 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking whiteread v0.5.0 [INFO] [stderr] Checking text_io v0.1.12 [INFO] [stderr] Checking ascii v1.1.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking petgraph v0.6.2 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking num-complex v0.4.2 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Checking ordered-float v3.1.0 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking simba v0.7.2 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking sized-chunks v0.6.5 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Checking nalgebra v0.31.1 [INFO] [stderr] Checking atcoder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Bytes` [INFO] [stdout] --> src/main.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use proconio::marker::{Bytes, Usize1}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::isize::MIN` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::isize::MIN; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::usize::MAX` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::usize::MAX; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `max`, `min` [INFO] [stdout] --> src/main.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | use std::cmp::{max, min}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::*` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use itertools::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Bytes` [INFO] [stdout] --> src/main.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use proconio::marker::{Bytes, Usize1}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::isize::MIN` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::isize::MIN; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::usize::MAX` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::usize::MAX; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `max`, `min` [INFO] [stdout] --> src/main.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | use std::cmp::{max, min}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::*` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use itertools::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.16s [INFO] running `Command { std: "docker" "inspect" "c2802f8285a5af8829ea16a3313782df6fd2ec636cc720916d94daae2dbafcde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2802f8285a5af8829ea16a3313782df6fd2ec636cc720916d94daae2dbafcde", kill_on_drop: false }` [INFO] [stdout] c2802f8285a5af8829ea16a3313782df6fd2ec636cc720916d94daae2dbafcde