Dec 19 15:22:06.017 INFO checking jayong93/RustBJOJ against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:22:06.017 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/jayong93/RustBJOJ:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:22:06.382 INFO [stdout] 062c1bd3a902bd55efa1ab704446ae578ccbe986862bd06bcccd432ec9c2be6c
Dec 19 15:22:06.386 INFO running `"docker" "start" "-a" "062c1bd3a902bd55efa1ab704446ae578ccbe986862bd06bcccd432ec9c2be6c"`
Dec 19 15:22:07.212 INFO [stderr]     Checking BaekJoonOJ v0.1.0 (/opt/crater/workdir)
Dec 19 15:22:07.372 INFO [stderr] warning: unused imports: `Eq`, `PartialEq`
Dec 19 15:22:07.372 INFO [stderr]  --> src/p15938.rs:4:16
Dec 19 15:22:07.372 INFO [stderr]   |
Dec 19 15:22:07.372 INFO [stderr] 4 | use std::cmp::{Eq, PartialEq};
Dec 19 15:22:07.372 INFO [stderr]   |                ^^  ^^^^^^^^^
Dec 19 15:22:07.372 INFO [stderr]   |
Dec 19 15:22:07.372 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:22:07.372 INFO [stderr] 
Dec 19 15:22:07.372 INFO [stderr] warning: unused import: `std::hash::Hash`
Dec 19 15:22:07.372 INFO [stderr]  --> src/p15938.rs:5:5
Dec 19 15:22:07.372 INFO [stderr]   |
Dec 19 15:22:07.372 INFO [stderr] 5 | use std::hash::Hash;
Dec 19 15:22:07.372 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 15:22:07.372 INFO [stderr] 
Dec 19 15:22:07.377 INFO [stderr] warning: unused imports: `Eq`, `PartialEq`
Dec 19 15:22:07.377 INFO [stderr]  --> src/p15938.rs:4:16
Dec 19 15:22:07.377 INFO [stderr]   |
Dec 19 15:22:07.377 INFO [stderr] 4 | use std::cmp::{Eq, PartialEq};
Dec 19 15:22:07.377 INFO [stderr]   |                ^^  ^^^^^^^^^
Dec 19 15:22:07.377 INFO [stderr]   |
Dec 19 15:22:07.377 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:22:07.377 INFO [stderr] 
Dec 19 15:22:07.377 INFO [stderr] warning: unused import: `std::hash::Hash`
Dec 19 15:22:07.377 INFO [stderr]  --> src/p15938.rs:5:5
Dec 19 15:22:07.377 INFO [stderr]   |
Dec 19 15:22:07.377 INFO [stderr] 5 | use std::hash::Hash;
Dec 19 15:22:07.377 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 15:22:07.377 INFO [stderr] 
Dec 19 15:22:07.460 INFO [stderr] warning: unused variable: `i`
Dec 19 15:22:07.460 INFO [stderr]   --> src/p15938.rs:39:9
Dec 19 15:22:07.460 INFO [stderr]    |
Dec 19 15:22:07.460 INFO [stderr] 39 |     for i in 0..data.time_limit {
Dec 19 15:22:07.460 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 19 15:22:07.460 INFO [stderr]    |
Dec 19 15:22:07.460 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:22:07.460 INFO [stderr] 
Dec 19 15:22:07.472 INFO [stderr] warning: unused variable: `i`
Dec 19 15:22:07.472 INFO [stderr]   --> src/p15938.rs:39:9
Dec 19 15:22:07.472 INFO [stderr]    |
Dec 19 15:22:07.472 INFO [stderr] 39 |     for i in 0..data.time_limit {
Dec 19 15:22:07.472 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 19 15:22:07.472 INFO [stderr]    |
Dec 19 15:22:07.472 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:22:07.472 INFO [stderr] 
Dec 19 15:22:07.485 INFO [stderr] warning: crate `BaekJoonOJ` should have a snake case name such as `baek_joon_oj`
Dec 19 15:22:07.485 INFO [stderr]   |
Dec 19 15:22:07.485 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 15:22:07.485 INFO [stderr] 
Dec 19 15:22:07.485 INFO [stderr] warning: crate `BaekJoonOJ` should have a snake case name such as `baek_joon_oj`
Dec 19 15:22:07.485 INFO [stderr]   |
Dec 19 15:22:07.485 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 15:22:07.485 INFO [stderr] 
Dec 19 15:22:07.489 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:22:07.489 INFO [stderr]   --> src/p15938.rs:64:5
Dec 19 15:22:07.489 INFO [stderr]    |
Dec 19 15:22:07.489 INFO [stderr] 64 |     handle.read_line(&mut line);
Dec 19 15:22:07.489 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:22:07.489 INFO [stderr]    |
Dec 19 15:22:07.489 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:22:07.489 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:22:07.489 INFO [stderr] 
Dec 19 15:22:07.489 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:22:07.490 INFO [stderr]   --> src/p15938.rs:74:5
Dec 19 15:22:07.490 INFO [stderr]    |
Dec 19 15:22:07.490 INFO [stderr] 74 |     handle.read_line(&mut line);
Dec 19 15:22:07.490 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:22:07.490 INFO [stderr]    |
Dec 19 15:22:07.490 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:22:07.490 INFO [stderr] 
Dec 19 15:22:07.490 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:22:07.490 INFO [stderr]   --> src/p15938.rs:80:5
Dec 19 15:22:07.490 INFO [stderr]    |
Dec 19 15:22:07.490 INFO [stderr] 80 |     handle.read_line(&mut line);
Dec 19 15:22:07.490 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:22:07.490 INFO [stderr]    |
Dec 19 15:22:07.490 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:22:07.490 INFO [stderr] 
Dec 19 15:22:07.490 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:22:07.490 INFO [stderr]   --> src/p15938.rs:84:9
Dec 19 15:22:07.490 INFO [stderr]    |
Dec 19 15:22:07.490 INFO [stderr] 84 |         handle.read_line(&mut line);
Dec 19 15:22:07.490 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:22:07.490 INFO [stderr]    |
Dec 19 15:22:07.490 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:22:07.490 INFO [stderr] 
Dec 19 15:22:07.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:22:07.491 INFO [stderr]   --> src/p15938.rs:64:5
Dec 19 15:22:07.491 INFO [stderr]    |
Dec 19 15:22:07.491 INFO [stderr] 64 |     handle.read_line(&mut line);
Dec 19 15:22:07.491 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:22:07.491 INFO [stderr]    |
Dec 19 15:22:07.491 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:22:07.491 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:22:07.491 INFO [stderr] 
Dec 19 15:22:07.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:22:07.491 INFO [stderr]   --> src/p15938.rs:74:5
Dec 19 15:22:07.491 INFO [stderr]    |
Dec 19 15:22:07.491 INFO [stderr] 74 |     handle.read_line(&mut line);
Dec 19 15:22:07.491 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:22:07.491 INFO [stderr]    |
Dec 19 15:22:07.491 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:22:07.491 INFO [stderr] 
Dec 19 15:22:07.493 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:22:07.493 INFO [stderr]   --> src/p15938.rs:80:5
Dec 19 15:22:07.493 INFO [stderr]    |
Dec 19 15:22:07.493 INFO [stderr] 80 |     handle.read_line(&mut line);
Dec 19 15:22:07.493 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:22:07.493 INFO [stderr]    |
Dec 19 15:22:07.493 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:22:07.493 INFO [stderr] 
Dec 19 15:22:07.493 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:22:07.493 INFO [stderr]   --> src/p15938.rs:84:9
Dec 19 15:22:07.493 INFO [stderr]    |
Dec 19 15:22:07.493 INFO [stderr] 84 |         handle.read_line(&mut line);
Dec 19 15:22:07.493 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:22:07.493 INFO [stderr]    |
Dec 19 15:22:07.493 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:22:07.493 INFO [stderr] 
Dec 19 15:22:07.513 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Dec 19 15:22:08.148 INFO running `"docker" "inspect" "062c1bd3a902bd55efa1ab704446ae578ccbe986862bd06bcccd432ec9c2be6c"`
Dec 19 15:22:08.319 INFO running `"docker" "rm" "-f" "062c1bd3a902bd55efa1ab704446ae578ccbe986862bd06bcccd432ec9c2be6c"`
Dec 19 15:22:08.638 INFO [stdout] 062c1bd3a902bd55efa1ab704446ae578ccbe986862bd06bcccd432ec9c2be6c