[INFO] updating cached repository https://github.com/tdaira/rust-aoj
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 48efbc53469bdd3b62c668ab54a94e9633160749
[INFO] checking tdaira/rust-aoj against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdaira%2Frust-aoj" "/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/tdaira/rust-aoj on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tdaira/rust-aoj
[INFO] finished tweaking git repo https://github.com/tdaira/rust-aoj
[INFO] tweaked toml for git repo https://github.com/tdaira/rust-aoj written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tdaira/rust-aoj already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] b99b32701549b43a098de29dbdb60f7617557d1a1dff5ee33c11316852ffc87d
[INFO] running `"docker" "start" "-a" "b99b32701549b43a098de29dbdb60f7617557d1a1dff5ee33c11316852ffc87d"`
[INFO] [stderr]     Checking rust-aoj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `can_over_write` is never read
[INFO] [stderr]   --> src/0403/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut can_over_write = false;
[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: value assigned to `left_distance` is never read
[INFO] [stderr]   --> src/0403/main.rs:87:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let mut left_distance = std::i64::MAX;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `right_distance` is never read
[INFO] [stderr]   --> src/0403/main.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let mut right_distance = std::i64::MAX;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `can_over_write` is never read
[INFO] [stderr]   --> src/0403/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut can_over_write = false;
[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: value assigned to `left_distance` is never read
[INFO] [stderr]   --> src/0403/main.rs:87:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let mut left_distance = std::i64::MAX;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `right_distance` is never read
[INFO] [stderr]   --> src/0403/main.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let mut right_distance = std::i64::MAX;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "b99b32701549b43a098de29dbdb60f7617557d1a1dff5ee33c11316852ffc87d"`
[INFO] running `"docker" "rm" "-f" "b99b32701549b43a098de29dbdb60f7617557d1a1dff5ee33c11316852ffc87d"`
[INFO] [stdout] b99b32701549b43a098de29dbdb60f7617557d1a1dff5ee33c11316852ffc87d