[INFO] updating cached repository https://github.com/mmajko/knapsack-problem
[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] 11cdd693800848f8d688ce82a5444f0e12f56b04
[INFO] checking mmajko/knapsack-problem against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmajko%2Fknapsack-problem" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmajko/knapsack-problem 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/mmajko/knapsack-problem
[INFO] finished tweaking git repo https://github.com/mmajko/knapsack-problem
[INFO] tweaked toml for git repo https://github.com/mmajko/knapsack-problem written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mmajko/knapsack-problem 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2daa5c9edd79907951a56b04d2d29f796a484dc09ac4a8a9a6013317e2879503
[INFO] running `"docker" "start" "-a" "2daa5c9edd79907951a56b04d2d29f796a484dc09ac4a8a9a6013317e2879503"`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking knapsack-problem v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `solvers::recursive`
[INFO] [stderr]  --> src/solvers/dynamic.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use solvers::recursive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `KnapItem`, `sum_of_prices`
[INFO] [stderr]  --> src/solvers/recursive.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use parser::{sum_of_prices, Knapsack, KnapItem};
[INFO] [stderr]   |              ^^^^^^^^^^^^^            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `inspect`
[INFO] [stderr]  --> src/genetic/mod.rs:6:48
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population};
[INFO] [stderr]   |                                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `solvers::recursive`
[INFO] [stderr]  --> src/solvers/dynamic.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use solvers::recursive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `KnapItem`, `sum_of_prices`
[INFO] [stderr]  --> src/solvers/recursive.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use parser::{sum_of_prices, Knapsack, KnapItem};
[INFO] [stderr]   |              ^^^^^^^^^^^^^            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `inspect`
[INFO] [stderr]  --> src/genetic/mod.rs:6:48
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::utils::{odds_are, random_individual, inspect, sort_population};
[INFO] [stderr]   |                                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u16` is invalid
[INFO] [stderr]   --> src/solvers/fptas.rs:13:50
[INFO] [stderr]    |
[INFO] [stderr] 13 |         id: item.id, weight: item.weight, price: f32::floor(item.price as f32 / ratio) as u16
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u16` is invalid
[INFO] [stderr]   --> src/solvers/fptas.rs:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 |     solution.price = f32::floor(solution.price as f32 * ratio) as u16;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u16` is invalid
[INFO] [stderr]   --> src/solvers/fptas.rs:13:50
[INFO] [stderr]    |
[INFO] [stderr] 13 |         id: item.id, weight: item.weight, price: f32::floor(item.price as f32 / ratio) as u16
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `u16` is invalid
[INFO] [stderr]   --> src/solvers/fptas.rs:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 |     solution.price = f32::floor(solution.price as f32 * ratio) as u16;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `knapsack-problem`.
[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 2 previous errors; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `knapsack-problem`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2daa5c9edd79907951a56b04d2d29f796a484dc09ac4a8a9a6013317e2879503"`
[INFO] running `"docker" "rm" "-f" "2daa5c9edd79907951a56b04d2d29f796a484dc09ac4a8a9a6013317e2879503"`
[INFO] [stdout] 2daa5c9edd79907951a56b04d2d29f796a484dc09ac4a8a9a6013317e2879503