[INFO] updating cached repository https://github.com/sirkibsirkib/tsp_genetic_alg
[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] 2bec582bcc0d34f50ec77ff16dcadec74267f4ae
[INFO] checking sirkibsirkib/tsp_genetic_alg against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Ftsp_genetic_alg" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sirkibsirkib/tsp_genetic_alg 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/sirkibsirkib/tsp_genetic_alg
[INFO] finished tweaking git repo https://github.com/sirkibsirkib/tsp_genetic_alg
[INFO] tweaked toml for git repo https://github.com/sirkibsirkib/tsp_genetic_alg written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/sirkibsirkib/tsp_genetic_alg 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] d36252a97253e2b7a8575972c0a7fe3242aaeea9c720de580d620d650afa95d3
[INFO] running `"docker" "start" "-a" "d36252a97253e2b7a8575972c0a7fe3242aaeea9c720de580d620d650afa95d3"`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking bidir-map v0.6.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking syncbox v0.2.4
[INFO] [stderr]     Checking cue v0.1.0
[INFO] [stderr]     Checking tsp_genetic_alg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]   --> src/tsp.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | use std::fs::File;
[INFO] [stderr]    |     ------------- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 80 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> src/main.rs:55:23
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let copylen = (num_cities as f32 * r.gen::<f32>()) as usize;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]   --> src/tsp.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | use std::fs::File;
[INFO] [stderr]    |     ------------- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 80 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> src/main.rs:55:23
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let copylen = (num_cities as f32 * r.gen::<f32>()) as usize;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `tsp_genetic_alg`.
[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 previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `tsp_genetic_alg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d36252a97253e2b7a8575972c0a7fe3242aaeea9c720de580d620d650afa95d3"`
[INFO] running `"docker" "rm" "-f" "d36252a97253e2b7a8575972c0a7fe3242aaeea9c720de580d620d650afa95d3"`
[INFO] [stdout] d36252a97253e2b7a8575972c0a7fe3242aaeea9c720de580d620d650afa95d3