Dec 19 19:34:29.871 INFO checking brianp/muxednew against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:34:29.871 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/brianp/muxednew:/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 19:34:30.374 INFO [stdout] 1c4f42589f92aa15856c9f159d2d5bfe03acf5c2792f5a85b939d408667b27b8
Dec 19 19:34:30.376 INFO running `"docker" "start" "-a" "1c4f42589f92aa15856c9f159d2d5bfe03acf5c2792f5a85b939d408667b27b8"`
Dec 19 19:34:32.562 INFO [stderr]     Checking libc v0.2.11
Dec 19 19:34:32.569 INFO [stderr]     Checking clap v2.5.2
Dec 19 19:34:33.844 INFO [stderr]     Checking rand v0.3.14
Dec 19 19:34:37.640 INFO [stderr]     Checking muxednew v0.3.0 (/opt/crater/workdir)
Dec 19 19:34:38.232 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 19:34:38.233 INFO [stderr]  --> tests/new.rs:8:9
Dec 19 19:34:38.233 INFO [stderr]   |
Dec 19 19:34:38.233 INFO [stderr] 8 |     use std::fs::File;
Dec 19 19:34:38.234 INFO [stderr]   |         ^^^^^^^^^^^^^
Dec 19 19:34:38.234 INFO [stderr]   |
Dec 19 19:34:38.234 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:34:38.234 INFO [stderr] 
Dec 19 19:34:38.235 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 19 19:34:38.235 INFO [stderr]   --> tests/new.rs:11:9
Dec 19 19:34:38.235 INFO [stderr]    |
Dec 19 19:34:38.235 INFO [stderr] 11 |     use std::io::prelude::*;
Dec 19 19:34:38.236 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:38.236 INFO [stderr] 
Dec 19 19:34:38.256 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 19 19:34:38.257 INFO [stderr]   --> src/main.rs:14:23
Dec 19 19:34:38.257 INFO [stderr]    |
Dec 19 19:34:38.257 INFO [stderr] 14 | #[cfg(not(test))] use std::env::home_dir;
Dec 19 19:34:38.258 INFO [stderr]    |                       ^^^^^^^^^^^^^^^^^^
Dec 19 19:34:38.258 INFO [stderr]    |
Dec 19 19:34:38.258 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 19:34:38.259 INFO [stderr] 
Dec 19 19:34:38.259 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 19 19:34:38.259 INFO [stderr]    --> src/main.rs:102:11
Dec 19 19:34:38.260 INFO [stderr]     |
Dec 19 19:34:38.260 INFO [stderr] 102 |     match home_dir() {
Dec 19 19:34:38.260 INFO [stderr]     |           ^^^^^^^^
Dec 19 19:34:38.261 INFO [stderr] 
Dec 19 19:34:38.609 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.08s
Dec 19 19:34:39.605 INFO running `"docker" "inspect" "1c4f42589f92aa15856c9f159d2d5bfe03acf5c2792f5a85b939d408667b27b8"`
Dec 19 19:34:39.812 INFO running `"docker" "rm" "-f" "1c4f42589f92aa15856c9f159d2d5bfe03acf5c2792f5a85b939d408667b27b8"`
Dec 19 19:34:40.212 INFO [stdout] 1c4f42589f92aa15856c9f159d2d5bfe03acf5c2792f5a85b939d408667b27b8