[INFO] cloning repository https://github.com/r31oad3d/leetcode
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r31oad3d/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr31oad3d%2Fleetcode"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr31oad3d%2Fleetcode'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 73f31a82dd35965b67760eb148cda1231bbf2a2f
[INFO] checking r31oad3d/leetcode against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr31oad3d%2Fleetcode" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r31oad3d/leetcode on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/r31oad3d/leetcode
[INFO] finished tweaking git repo https://github.com/r31oad3d/leetcode
[INFO] tweaked toml for git repo https://github.com/r31oad3d/leetcode written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/r31oad3d/leetcode already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] d7bb7c416f3f22c91f8a5dc2ba6d9295debb4c033e2e9d776df7ae00fbe2f5bc
[INFO] running `"docker" "start" "-a" "d7bb7c416f3f22c91f8a5dc2ba6d9295debb4c033e2e9d776df7ae00fbe2f5bc"`
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/solutions/middle/max_area.rs:27:15
[INFO] [stderr]    |
[INFO] [stderr] 27 |         while (i < j) {
[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 assigned value
[INFO] [stderr]    --> src/solutions/hard/num_dup_digits_at_most_n.rs:127:32
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 res_adverse *= (10 - num + 1);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `solutions::simple`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use solutions::simple;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `solutions::hard`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use solutions::hard;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/solutions/middle/max_area.rs:27:15
[INFO] [stderr]    |
[INFO] [stderr] 27 |         while (i < j) {
[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 assigned value
[INFO] [stderr]    --> src/solutions/hard/num_dup_digits_at_most_n.rs:127:32
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 res_adverse *= (10 - num + 1);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `solutions::simple`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use solutions::simple;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `solutions::hard`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use solutions::hard;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `i32` is invalid
[INFO] [stderr]   --> src/solutions/simple/my_sqrt.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         (1.0_f32/y as f32) as i32
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]   --> src/solutions/simple/my_sqrt.rs:37:24
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 return cur as i32;
[INFO] [stderr]    |                        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]  --> src/solutions/simple/construct_rectangle.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 |         let mut root: i32 = area_mut.sqrt().round() as i32;
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]   --> src/solutions/simple/construct_rectangle.rs:31:29
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut root: i32 = area_mut.sqrt().round() as i32;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `i32` is invalid
[INFO] [stderr]   --> src/solutions/simple/my_sqrt.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         (1.0_f32/y as f32) as i32
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]   --> src/solutions/simple/my_sqrt.rs:37:24
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 return cur as i32;
[INFO] [stderr]    |                        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]  --> src/solutions/simple/construct_rectangle.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 |         let mut root: i32 = area_mut.sqrt().round() as i32;
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]   --> src/solutions/simple/construct_rectangle.rs:31:29
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut root: i32 = area_mut.sqrt().round() as i32;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `leetcode`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 4 previous errors; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `leetcode`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d7bb7c416f3f22c91f8a5dc2ba6d9295debb4c033e2e9d776df7ae00fbe2f5bc"`
[INFO] running `"docker" "rm" "-f" "d7bb7c416f3f22c91f8a5dc2ba6d9295debb4c033e2e9d776df7ae00fbe2f5bc"`
[INFO] [stdout] d7bb7c416f3f22c91f8a5dc2ba6d9295debb4c033e2e9d776df7ae00fbe2f5bc