Dec 17 15:52:16.133 INFO checking sd-rust/sprep against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:52:16.133 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:52:16.542 INFO [stdout] c7dd47493d4cca2e5ef77cb72a88061d97ca4e03d9aaf54a24e8bd8bfbe31463
Dec 17 15:52:16.546 INFO running `"docker" "start" "-a" "c7dd47493d4cca2e5ef77cb72a88061d97ca4e03d9aaf54a24e8bd8bfbe31463"`
Dec 17 15:52:18.067 INFO [stderr]    Compiling num-integer v0.1.38
Dec 17 15:52:18.073 INFO [stderr]     Checking array-macro v1.0.2
Dec 17 15:52:18.073 INFO [stderr]     Checking reexport-proc-macro v1.0.5
Dec 17 15:52:18.073 INFO [stderr]     Checking enumset v0.3.10
Dec 17 15:52:18.080 INFO [stderr]     Checking termion v1.5.1
Dec 17 15:52:18.080 INFO [stderr]     Checking log v0.4.2
Dec 17 15:52:18.080 INFO [stderr]     Checking num-complex v0.1.43
Dec 17 15:52:18.080 INFO [stderr]     Checking chan v0.1.21
Dec 17 15:52:18.410 INFO [stderr]     Checking serde_yaml v0.7.5
Dec 17 15:52:18.444 INFO [stderr]    Compiling enum-map-derive v0.2.10
Dec 17 15:52:20.856 INFO [stderr]     Checking chan-signal v0.3.1
Dec 17 15:52:23.438 INFO [stderr]     Checking num-bigint v0.1.44
Dec 17 15:52:23.440 INFO [stderr]     Checking num-iter v0.1.37
Dec 17 15:52:23.968 INFO [stderr]     Checking enum-map v0.2.36
Dec 17 15:52:25.579 INFO [stderr]     Checking num-rational v0.1.42
Dec 17 15:52:26.298 INFO [stderr]     Checking num v0.1.42
Dec 17 15:52:26.456 INFO [stderr]     Checking cursive v0.8.2
Dec 17 15:52:29.638 INFO [stderr]     Checking spaced_learner v0.1.0 (/opt/crater/workdir)
Dec 17 15:52:30.348 INFO [stderr] warning: function is never used: `load_file`
Dec 17 15:52:30.349 INFO [stderr]   --> src/model.rs:47:1
Dec 17 15:52:30.349 INFO [stderr]    |
Dec 17 15:52:30.349 INFO [stderr] 47 | pub fn load_file(file_name: &str) -> Vec<QAndA>{
Dec 17 15:52:30.349 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:52:30.349 INFO [stderr]    |
Dec 17 15:52:30.349 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:52:30.349 INFO [stderr] 
Dec 17 15:52:30.435 INFO [stderr] warning: function is never used: `load_file`
Dec 17 15:52:30.435 INFO [stderr]   --> src/model.rs:47:1
Dec 17 15:52:30.435 INFO [stderr]    |
Dec 17 15:52:30.436 INFO [stderr] 47 | pub fn load_file(file_name: &str) -> Vec<QAndA>{
Dec 17 15:52:30.436 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:52:30.436 INFO [stderr]    |
Dec 17 15:52:30.437 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:52:30.440 INFO [stderr] 
Dec 17 15:52:30.489 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.57s
Dec 17 15:52:31.176 INFO running `"docker" "inspect" "c7dd47493d4cca2e5ef77cb72a88061d97ca4e03d9aaf54a24e8bd8bfbe31463"`
Dec 17 15:52:31.496 INFO running `"docker" "rm" "-f" "c7dd47493d4cca2e5ef77cb72a88061d97ca4e03d9aaf54a24e8bd8bfbe31463"`
Dec 17 15:52:31.764 INFO [stdout] c7dd47493d4cca2e5ef77cb72a88061d97ca4e03d9aaf54a24e8bd8bfbe31463