[INFO] updating cached repository jayong93/RustBJOJ
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jayong93/RustBJOJ
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jayong93/RustBJOJ" "work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/jayong93/RustBJOJ"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/jayong93/RustBJOJ'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jayong93/RustBJOJ" "work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/jayong93/RustBJOJ"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/jayong93/RustBJOJ'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2b5a1fb9d9af4ae3e3270b0d44e9ca2426a388f
[INFO] sha for GitHub repo jayong93/RustBJOJ: a2b5a1fb9d9af4ae3e3270b0d44e9ca2426a388f
[INFO] validating manifest of jayong93/RustBJOJ on toolchain master#003382e4150984cb476047b3925edf8d75df2d59
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jayong93/RustBJOJ on toolchain try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jayong93/RustBJOJ
[INFO] finished frobbing jayong93/RustBJOJ
[INFO] frobbed toml for jayong93/RustBJOJ written to work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/jayong93/RustBJOJ/Cargo.toml
[INFO] started frobbing jayong93/RustBJOJ
[INFO] finished frobbing jayong93/RustBJOJ
[INFO] frobbed toml for jayong93/RustBJOJ written to work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/jayong93/RustBJOJ/Cargo.toml
[INFO] crate jayong93/RustBJOJ already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jayong93/RustBJOJ against master#003382e4150984cb476047b3925edf8d75df2d59 for pr-59527
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59527/worker-7/master#003382e4150984cb476047b3925edf8d75df2d59:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/jayong93/RustBJOJ:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2cdf468f47a48cb80e4b833e0611a2ee7f2658fb2ed0db3025910bdb63d6a609
[INFO] running `"docker" "start" "-a" "2cdf468f47a48cb80e4b833e0611a2ee7f2658fb2ed0db3025910bdb63d6a609"`
[INFO] [stderr]     Checking BaekJoonOJ v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Eq`, `PartialEq`
[INFO] [stderr]  --> src/p15938.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::{Eq, PartialEq};
[INFO] [stderr]   |                ^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/p15938.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Eq`, `PartialEq`
[INFO] [stderr]  --> src/p15938.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::{Eq, PartialEq};
[INFO] [stderr]   |                ^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/p15938.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/p15938.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     for i in 0..data.time_limit {
[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/p15938.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     for i in 0..data.time_limit {
[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: crate `BaekJoonOJ` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `baek_joon_oj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/p15938.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     handle.read_line(&mut line);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/p15938.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     handle.read_line(&mut line);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/p15938.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     handle.read_line(&mut line);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/p15938.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         handle.read_line(&mut line);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: crate `BaekJoonOJ` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `baek_joon_oj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/p15938.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     handle.read_line(&mut line);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/p15938.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     handle.read_line(&mut line);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/p15938.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     handle.read_line(&mut line);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/p15938.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         handle.read_line(&mut line);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "2cdf468f47a48cb80e4b833e0611a2ee7f2658fb2ed0db3025910bdb63d6a609"`
[INFO] running `"docker" "rm" "-f" "2cdf468f47a48cb80e4b833e0611a2ee7f2658fb2ed0db3025910bdb63d6a609"`
[INFO] [stdout] 2cdf468f47a48cb80e4b833e0611a2ee7f2658fb2ed0db3025910bdb63d6a609