[INFO] cloning repository https://github.com/lonelyhentai/rusty-leetcode
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lonelyhentai/rusty-leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonelyhentai%2Frusty-leetcode"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonelyhentai%2Frusty-leetcode'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 572ea08c646fb1d64e07288541b7d57b68398a41
[INFO] checking lonelyhentai/rusty-leetcode against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonelyhentai%2Frusty-leetcode" "/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/lonelyhentai/rusty-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/lonelyhentai/rusty-leetcode
[INFO] finished tweaking git repo https://github.com/lonelyhentai/rusty-leetcode
[INFO] tweaked toml for git repo https://github.com/lonelyhentai/rusty-leetcode written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lonelyhentai/rusty-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] [stderr]     Blocking waiting for file lock on package cache
[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" "+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] ed8c3ae1b923eb37487a6498c10d8e667e136964ec3d40f3169b7f6f0a9a0c8f
[INFO] running `"docker" "start" "-a" "ed8c3ae1b923eb37487a6498c10d8e667e136964ec3d40f3169b7f6f0a9a0c8f"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking simple-error v0.2.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]   --> src/math_tag/perfect_squares_279.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let b = f64::from(n-a*a).sqrt() as i32;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]   --> src/math_tag/counting_bits_338.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |                   (1<<(
[INFO] [stderr]    |  _____________________^
[INFO] [stderr] 16 | |                     f64::from(i).log2().floor() as i32
[INFO] [stderr] 17 | |                 ))) as usize] + 1);
[INFO] [stderr]    | |_________________^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[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[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]   --> src/math_tag/perfect_squares_279.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let b = f64::from(n-a*a).sqrt() as i32;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]   --> src/math_tag/counting_bits_338.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |                   (1<<(
[INFO] [stderr]    |  _____________________^
[INFO] [stderr] 16 | |                     f64::from(i).log2().floor() as i32
[INFO] [stderr] 17 | |                 ))) as usize] + 1);
[INFO] [stderr]    | |_________________^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[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" "ed8c3ae1b923eb37487a6498c10d8e667e136964ec3d40f3169b7f6f0a9a0c8f"`
[INFO] running `"docker" "rm" "-f" "ed8c3ae1b923eb37487a6498c10d8e667e136964ec3d40f3169b7f6f0a9a0c8f"`
[INFO] [stdout] ed8c3ae1b923eb37487a6498c10d8e667e136964ec3d40f3169b7f6f0a9a0c8f