[INFO] updating cached repository heejongahn/daily-BOJ
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/heejongahn/daily-BOJ
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/heejongahn/daily-BOJ" "work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/heejongahn/daily-BOJ"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/heejongahn/daily-BOJ'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/heejongahn/daily-BOJ" "work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/heejongahn/daily-BOJ"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/heejongahn/daily-BOJ'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f1ec181a66b7745ef46992da012315cf2be06358
[INFO] sha for GitHub repo heejongahn/daily-BOJ: f1ec181a66b7745ef46992da012315cf2be06358
[INFO] validating manifest of heejongahn/daily-BOJ on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of heejongahn/daily-BOJ on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing heejongahn/daily-BOJ
[INFO] finished frobbing heejongahn/daily-BOJ
[INFO] frobbed toml for heejongahn/daily-BOJ written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/heejongahn/daily-BOJ/Cargo.toml
[INFO] started frobbing heejongahn/daily-BOJ
[INFO] finished frobbing heejongahn/daily-BOJ
[INFO] frobbed toml for heejongahn/daily-BOJ written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/heejongahn/daily-BOJ/Cargo.toml
[INFO] crate heejongahn/daily-BOJ has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking heejongahn/daily-BOJ against try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-5/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/heejongahn/daily-BOJ:/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" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b60e4682f58690a8b1aa4448a892cf82f4add27b14d2425e2b35ae28dc3fc318
[INFO] running `"docker" "start" "-a" "b60e4682f58690a8b1aa4448a892cf82f4add27b14d2425e2b35ae28dc3fc318"`
[INFO] [stderr]     Checking daily-boj v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::f32`
[INFO] [stderr]  --> src/bin/1978.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::f32;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/bin/1978.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |         if ((n % i) == 0) {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> src/bin/1978.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |         match (str::parse::<i32>(string)) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `numbers`
[INFO] [stderr]   --> src/bin/1978.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let numbers: Vec<i32> = Vec::new();
[INFO] [stderr]    |         ^^^^^^^ help: consider using `_numbers` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/bin/2750.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |         if (&v[i] < &v[len - 1]) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/bin/2750.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |         if (&v[i] < &v[len - 1]) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> src/bin/2750.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     handle.read_line(&mut buf);
[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/bin/2750.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     handle.read_line(&mut buf);
[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 import: `std::f32`
[INFO] [stderr]  --> src/bin/1978.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::f32;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/bin/1978.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |         if ((n % i) == 0) {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> src/bin/1978.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |         match (str::parse::<i32>(string)) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `numbers`
[INFO] [stderr]   --> src/bin/1978.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let numbers: Vec<i32> = Vec::new();
[INFO] [stderr]    |         ^^^^^^^ help: consider using `_numbers` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `"docker" "inspect" "b60e4682f58690a8b1aa4448a892cf82f4add27b14d2425e2b35ae28dc3fc318"`
[INFO] running `"docker" "rm" "-f" "b60e4682f58690a8b1aa4448a892cf82f4add27b14d2425e2b35ae28dc3fc318"`
[INFO] [stdout] b60e4682f58690a8b1aa4448a892cf82f4add27b14d2425e2b35ae28dc3fc318