[INFO] updating cached repository https://github.com/uzkbwza/rust-rl
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/uzkbwza/rust-rl
[INFO] [stderr]  + f6a2560...e4044ed master     -> master  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4044edc364f95dd4b22eb3b4ab537c4f0fe9718
[INFO] checking uzkbwza/rust-rl against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzkbwza%2Frust-rl" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uzkbwza/rust-rl on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/uzkbwza/rust-rl
[INFO] finished tweaking git repo https://github.com/uzkbwza/rust-rl
[INFO] tweaked toml for git repo https://github.com/uzkbwza/rust-rl written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/uzkbwza/rust-rl already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7a2fecbcd2de5681252a03dfcb7950c68e918931f6013bceb5e384d4d02c81be
[INFO] running `"docker" "start" "-a" "7a2fecbcd2de5681252a03dfcb7950c68e918931f6013bceb5e384d4d02c81be"`
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[INFO] [stderr]    Compiling shred-derive v0.6.1
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling specs-derive v0.4.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]     Checking shred v0.9.2
[INFO] [stderr]     Checking specs v0.15.0
[INFO] [stderr]     Checking tcod v0.15.0
[INFO] [stderr]     Checking specsrl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand::seq::SliceRandom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand::seq::SliceRandom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/main.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut rng = thread_rng();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut rng = thread_rng();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/main.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut rng = thread_rng();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut rng = thread_rng();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MoveSE`
[INFO] [stderr]   --> src/systems/ai.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     MoveSE,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DEBUG` should have a snake case name
[INFO] [stderr]   --> src/main.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut DEBUG = false;
[INFO] [stderr]    |             ^^^^^ help: convert the identifier to snake case: `debug`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MoveSE`
[INFO] [stderr]   --> src/systems/ai.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     MoveSE,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DEBUG` should have a snake case name
[INFO] [stderr]   --> src/main.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut DEBUG = false;
[INFO] [stderr]    |             ^^^^^ help: convert the identifier to snake case: `debug`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.69s
[INFO] running `"docker" "inspect" "7a2fecbcd2de5681252a03dfcb7950c68e918931f6013bceb5e384d4d02c81be"`
[INFO] running `"docker" "rm" "-f" "7a2fecbcd2de5681252a03dfcb7950c68e918931f6013bceb5e384d4d02c81be"`
[INFO] [stdout] 7a2fecbcd2de5681252a03dfcb7950c68e918931f6013bceb5e384d4d02c81be