Dec 19 15:06:24.745 INFO checking jlebon/codeswitch against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:06:24.745 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/jlebon/codeswitch:/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 15:06:25.175 INFO [stdout] 2ae7d435c8a433a9dffaa29a57ff8a240aa2cc74e95ddee7caf8c91f56823d71
Dec 19 15:06:25.178 INFO running `"docker" "start" "-a" "2ae7d435c8a433a9dffaa29a57ff8a240aa2cc74e95ddee7caf8c91f56823d71"`
Dec 19 15:06:26.826 INFO [stderr]     Checking openat v0.1.13
Dec 19 15:06:27.348 INFO [stderr]     Checking codeswitch v0.1.0 (/opt/crater/workdir)
Dec 19 15:06:27.700 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 19 15:06:27.700 INFO [stderr]   --> src/main.rs:79:33
Dec 19 15:06:27.700 INFO [stderr]    |
Dec 19 15:06:27.701 INFO [stderr] 79 |     let cachefn = cachedir.join((crate_name!()));
Dec 19 15:06:27.701 INFO [stderr]    |                                 ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 15:06:27.701 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 19 15:06:27.701 INFO [stderr]   --> src/main.rs:79:33
Dec 19 15:06:27.702 INFO [stderr]    |
Dec 19 15:06:27.702 INFO [stderr] 79 |     let cachefn = cachedir.join((crate_name!()));
Dec 19 15:06:27.702 INFO [stderr]    |                                 ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 15:06:27.703 INFO [stderr]    |
Dec 19 15:06:27.703 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 15:06:27.703 INFO [stderr] 
Dec 19 15:06:27.703 INFO [stderr]    |
Dec 19 15:06:27.704 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 15:06:27.704 INFO [stderr] 
Dec 19 15:06:27.720 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 15:06:27.720 INFO [stderr]   --> src/main.rs:67:26
Dec 19 15:06:27.720 INFO [stderr]    |
Dec 19 15:06:27.721 INFO [stderr] 67 |     let cachedir = match std::env::home_dir() {
Dec 19 15:06:27.721 INFO [stderr]    |                          ^^^^^^^^^^^^^^^^^^
Dec 19 15:06:27.721 INFO [stderr]    |
Dec 19 15:06:27.721 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 15:06:27.721 INFO [stderr] 
Dec 19 15:06:27.724 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 15:06:27.724 INFO [stderr]   --> src/main.rs:67:26
Dec 19 15:06:27.724 INFO [stderr]    |
Dec 19 15:06:27.724 INFO [stderr] 67 |     let cachedir = match std::env::home_dir() {
Dec 19 15:06:27.724 INFO [stderr]    |                          ^^^^^^^^^^^^^^^^^^
Dec 19 15:06:27.724 INFO [stderr]    |
Dec 19 15:06:27.724 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 15:06:27.724 INFO [stderr] 
Dec 19 15:06:27.973 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Dec 19 15:06:28.651 INFO running `"docker" "inspect" "2ae7d435c8a433a9dffaa29a57ff8a240aa2cc74e95ddee7caf8c91f56823d71"`
Dec 19 15:06:28.856 INFO running `"docker" "rm" "-f" "2ae7d435c8a433a9dffaa29a57ff8a240aa2cc74e95ddee7caf8c91f56823d71"`
Dec 19 15:06:29.134 INFO [stdout] 2ae7d435c8a433a9dffaa29a57ff8a240aa2cc74e95ddee7caf8c91f56823d71