Dec 19 15:06:21.802 INFO checking jlebon/codeswitch against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:06:21.803 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:06:22.162 INFO [stdout] fdd18e685eedb0a11ff38a0844bdd9604d5ae5f51e954ccf4360c9936f4cdc87
Dec 19 15:06:22.164 INFO running `"docker" "start" "-a" "fdd18e685eedb0a11ff38a0844bdd9604d5ae5f51e954ccf4360c9936f4cdc87"`
Dec 19 15:06:22.732 INFO [stderr]     Checking openat v0.1.13
Dec 19 15:06:23.081 INFO [stderr]     Checking codeswitch v0.1.0 (/opt/crater/workdir)
Dec 19 15:06:23.292 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 19 15:06:23.292 INFO [stderr]   --> src/main.rs:79:33
Dec 19 15:06:23.293 INFO [stderr]    |
Dec 19 15:06:23.293 INFO [stderr] 79 |     let cachefn = cachedir.join((crate_name!()));
Dec 19 15:06:23.293 INFO [stderr]    |                                 ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 15:06:23.293 INFO [stderr]    |
Dec 19 15:06:23.294 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 15:06:23.294 INFO [stderr] 
Dec 19 15:06:23.307 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 19 15:06:23.307 INFO [stderr]   --> src/main.rs:79:33
Dec 19 15:06:23.307 INFO [stderr]    |
Dec 19 15:06:23.307 INFO [stderr] 79 |     let cachefn = cachedir.join((crate_name!()));
Dec 19 15:06:23.307 INFO [stderr]    |                                 ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 15:06:23.307 INFO [stderr]    |
Dec 19 15:06:23.307 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 15:06:23.308 INFO [stderr] 
Dec 19 15:06:23.308 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 15:06:23.308 INFO [stderr]   --> src/main.rs:67:26
Dec 19 15:06:23.308 INFO [stderr]    |
Dec 19 15:06:23.308 INFO [stderr] 67 |     let cachedir = match std::env::home_dir() {
Dec 19 15:06:23.308 INFO [stderr]    |                          ^^^^^^^^^^^^^^^^^^
Dec 19 15:06:23.308 INFO [stderr]    |
Dec 19 15:06:23.308 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 15:06:23.308 INFO [stderr] 
Dec 19 15:06:23.319 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 15:06:23.319 INFO [stderr]   --> src/main.rs:67:26
Dec 19 15:06:23.319 INFO [stderr]    |
Dec 19 15:06:23.319 INFO [stderr] 67 |     let cachedir = match std::env::home_dir() {
Dec 19 15:06:23.319 INFO [stderr]    |                          ^^^^^^^^^^^^^^^^^^
Dec 19 15:06:23.319 INFO [stderr]    |
Dec 19 15:06:23.319 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 15:06:23.319 INFO [stderr] 
Dec 19 15:06:23.568 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 19 15:06:24.161 INFO running `"docker" "inspect" "fdd18e685eedb0a11ff38a0844bdd9604d5ae5f51e954ccf4360c9936f4cdc87"`
Dec 19 15:06:24.428 INFO running `"docker" "rm" "-f" "fdd18e685eedb0a11ff38a0844bdd9604d5ae5f51e954ccf4360c9936f4cdc87"`
Dec 19 15:06:24.668 INFO [stdout] fdd18e685eedb0a11ff38a0844bdd9604d5ae5f51e954ccf4360c9936f4cdc87