[INFO] updating cached repository https://github.com/bausano/algorithms-data-structures-programs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0e618f5b0fa2ba377aaf46b12e9f247d8272b38e
[INFO] checking bausano/algorithms-data-structures-programs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbausano%2Falgorithms-data-structures-programs" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bausano/algorithms-data-structures-programs 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/bausano/algorithms-data-structures-programs
[INFO] finished tweaking git repo https://github.com/bausano/algorithms-data-structures-programs
[INFO] tweaked toml for git repo https://github.com/bausano/algorithms-data-structures-programs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/bausano/algorithms-data-structures-programs 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] ed9fed5b36777f3543e22a657d1a937b5aaf0915a0a5ef3195ab092f173114bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ed9fed5b36777f3543e22a657d1a937b5aaf0915a0a5ef3195ab092f173114bf"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking algorithms_data_structures_programs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]   --> src/algorithms_data_structures_programs/a_005_shell_sort.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let gaps_len = ((array.len() as f64).log2().floor() as usize - 1).max(1);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> src/algorithms_data_structures_programs/a_005_shell_sort.rs:102:18
[INFO] [stderr]     |
[INFO] [stderr] 102 |         .map(|x| 2f64.powi(x as i32) as usize - 1)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]   --> src/problems/closest_common_ancestor.rs:79:50
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut path: Vec<bool> = Vec::with_capacity((ancestor_index as f64).sqrt() as usize);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `algorithms_data_structures_programs`.
[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: build failed
[INFO] running `"docker" "inspect" "ed9fed5b36777f3543e22a657d1a937b5aaf0915a0a5ef3195ab092f173114bf"`
[INFO] running `"docker" "rm" "-f" "ed9fed5b36777f3543e22a657d1a937b5aaf0915a0a5ef3195ab092f173114bf"`
[INFO] [stdout] ed9fed5b36777f3543e22a657d1a937b5aaf0915a0a5ef3195ab092f173114bf