[INFO] updating cached repository https://github.com/K-jun1221/atcoder-abc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/K-jun1221/atcoder-abc
[INFO] [stderr]    05c61a5..e931ca0  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e931ca0d8615863c6f8007cf8655adf5a852e310
[INFO] checking K-jun1221/atcoder-abc against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-jun1221%2Fatcoder-abc" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/K-jun1221/atcoder-abc on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/K-jun1221/atcoder-abc
[INFO] finished tweaking git repo https://github.com/K-jun1221/atcoder-abc
[INFO] tweaked toml for git repo https://github.com/K-jun1221/atcoder-abc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/K-jun1221/atcoder-abc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ee531003c0749f6e58376c739963dc636deed47b652739a08da654d4559fcc06
[INFO] running `"docker" "start" "-a" "ee531003c0749f6e58376c739963dc636deed47b652739a08da654d4559fcc06"`
[INFO] [stderr]     Checking atcoder-abc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `min`
[INFO] [stderr]   --> src/abc147_c.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::cmp::{max, min};
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `min`
[INFO] [stderr]   --> src/abc147_c.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::cmp::{max, min};
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/abc147_c.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     for i in &map {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/abc147_c.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     for i in &map {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "ee531003c0749f6e58376c739963dc636deed47b652739a08da654d4559fcc06"`
[INFO] running `"docker" "rm" "-f" "ee531003c0749f6e58376c739963dc636deed47b652739a08da654d4559fcc06"`
[INFO] [stdout] ee531003c0749f6e58376c739963dc636deed47b652739a08da654d4559fcc06