Dec 19 09:12:44.931 INFO checking sd-rust/sprep against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:12:44.931 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/sd-rust/sprep:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:12:45.332 INFO [stdout] 6bb51f040218a9d97baa51f9cc77fc1f3e91737fe3b40461e500a9e29c593e6f
Dec 19 09:12:45.340 INFO running `"docker" "start" "-a" "6bb51f040218a9d97baa51f9cc77fc1f3e91737fe3b40461e500a9e29c593e6f"`
Dec 19 09:12:47.151 INFO [stderr]    Compiling num-integer v0.1.38
Dec 19 09:12:47.152 INFO [stderr]     Checking reexport-proc-macro v1.0.5
Dec 19 09:12:47.152 INFO [stderr]     Checking array-macro v1.0.2
Dec 19 09:12:47.188 INFO [stderr]     Checking enumset v0.3.10
Dec 19 09:12:47.188 INFO [stderr]     Checking xi-unicode v0.1.0
Dec 19 09:12:47.212 INFO [stderr]     Checking termion v1.5.1
Dec 19 09:12:47.215 INFO [stderr]     Checking num-complex v0.1.43
Dec 19 09:12:47.215 INFO [stderr]     Checking chan v0.1.21
Dec 19 09:12:47.778 INFO [stderr]     Checking toml v0.4.6
Dec 19 09:12:47.796 INFO [stderr]     Checking serde_yaml v0.7.5
Dec 19 09:12:49.799 INFO [stderr]    Compiling enum-map-derive v0.2.10
Dec 19 09:12:49.954 INFO [stderr]     Checking chan-signal v0.3.1
Dec 19 09:12:51.867 INFO [stderr]     Checking num-bigint v0.1.44
Dec 19 09:12:51.869 INFO [stderr]     Checking num-iter v0.1.37
Dec 19 09:12:53.292 INFO [stderr]     Checking enum-map v0.2.36
Dec 19 09:12:54.129 INFO [stderr]     Checking num-rational v0.1.42
Dec 19 09:12:54.598 INFO [stderr]     Checking num v0.1.42
Dec 19 09:12:54.722 INFO [stderr]     Checking cursive v0.8.2
Dec 19 09:12:57.551 INFO [stderr]     Checking spaced_learner v0.1.0 (/opt/crater/workdir)
Dec 19 09:12:58.008 INFO [stderr] warning: function is never used: `load_file`
Dec 19 09:12:58.008 INFO [stderr]   --> src/model.rs:47:1
Dec 19 09:12:58.008 INFO [stderr]    |
Dec 19 09:12:58.008 INFO [stderr] 47 | pub fn load_file(file_name: &str) -> Vec<QAndA>{
Dec 19 09:12:58.008 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:12:58.008 INFO [stderr]    |
Dec 19 09:12:58.008 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 09:12:58.008 INFO [stderr] 
Dec 19 09:12:58.233 INFO [stderr] warning: function is never used: `load_file`
Dec 19 09:12:58.233 INFO [stderr]   --> src/model.rs:47:1
Dec 19 09:12:58.233 INFO [stderr]    |
Dec 19 09:12:58.233 INFO [stderr] 47 | pub fn load_file(file_name: &str) -> Vec<QAndA>{
Dec 19 09:12:58.233 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:12:58.233 INFO [stderr]    |
Dec 19 09:12:58.233 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 09:12:58.233 INFO [stderr] 
Dec 19 09:12:58.296 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.28s
Dec 19 09:12:59.049 INFO running `"docker" "inspect" "6bb51f040218a9d97baa51f9cc77fc1f3e91737fe3b40461e500a9e29c593e6f"`
Dec 19 09:12:59.314 INFO running `"docker" "rm" "-f" "6bb51f040218a9d97baa51f9cc77fc1f3e91737fe3b40461e500a9e29c593e6f"`
Dec 19 09:12:59.657 INFO [stdout] 6bb51f040218a9d97baa51f9cc77fc1f3e91737fe3b40461e500a9e29c593e6f