Dec 17 17:46:23.533 INFO checking pizzamig/potnet against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 17:46:23.533 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/pizzamig/potnet:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:46:24.060 INFO [stdout] c32600329240ff0f6724b3a1cd17c165c79cf2e2a44d9f9e2cd15d0aa6b5b0f0
Dec 17 17:46:24.074 INFO running `"docker" "start" "-a" "c32600329240ff0f6724b3a1cd17c165c79cf2e2a44d9f9e2cd15d0aa6b5b0f0"`
Dec 17 17:46:26.440 INFO [stderr]    Compiling bytecount v0.3.2
Dec 17 17:46:26.440 INFO [stderr]    Compiling walkdir v2.2.6
Dec 17 17:46:26.440 INFO [stderr]    Compiling tempdir v0.3.7
Dec 17 17:46:26.440 INFO [stderr]    Compiling semver v0.9.0
Dec 17 17:46:26.440 INFO [stderr]    Compiling syn v0.15.17
Dec 17 17:46:26.448 INFO [stderr]    Compiling error-chain v0.11.0
Dec 17 17:46:42.828 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 17 17:46:42.828 INFO [stderr]    Compiling structopt-derive v0.2.13
Dec 17 17:46:42.836 INFO [stderr]    Compiling synstructure v0.10.1
Dec 17 17:46:50.285 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 17 17:46:51.772 INFO [stderr]     Checking structopt v0.2.13
Dec 17 17:46:53.748 INFO [stderr]     Checking failure v0.1.3
Dec 17 17:47:04.286 INFO [stderr]    Compiling cargo_metadata v0.5.8
Dec 17 17:47:07.960 INFO [stderr]    Compiling skeptic v0.13.3
Dec 17 17:47:12.020 INFO [stderr]    Compiling structopt-flags v0.2.1
Dec 17 17:47:14.505 INFO [stderr]     Checking potnet v0.1.2 (/opt/crater/workdir)
Dec 17 17:47:14.800 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 17 17:47:14.800 INFO [stderr]   --> src/pot/mod.rs:38:39
Dec 17 17:47:14.800 INFO [stderr]    |
Dec 17 17:47:14.800 INFO [stderr] 38 |     let pot_path = Path::new(pot_path.trim_right());
Dec 17 17:47:14.800 INFO [stderr]    |                                       ^^^^^^^^^^
Dec 17 17:47:14.800 INFO [stderr]    |
Dec 17 17:47:14.800 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 17:47:14.800 INFO [stderr] 
Dec 17 17:47:14.919 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 17 17:47:14.919 INFO [stderr]   --> src/pot/mod.rs:38:39
Dec 17 17:47:14.919 INFO [stderr]    |
Dec 17 17:47:14.919 INFO [stderr] 38 |     let pot_path = Path::new(pot_path.trim_right());
Dec 17 17:47:14.919 INFO [stderr]    |                                       ^^^^^^^^^^
Dec 17 17:47:14.919 INFO [stderr]    |
Dec 17 17:47:14.919 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 17:47:14.919 INFO [stderr] 
Dec 17 17:47:16.359 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.14s
Dec 17 17:47:17.052 INFO running `"docker" "inspect" "c32600329240ff0f6724b3a1cd17c165c79cf2e2a44d9f9e2cd15d0aa6b5b0f0"`
Dec 17 17:47:17.258 INFO running `"docker" "rm" "-f" "c32600329240ff0f6724b3a1cd17c165c79cf2e2a44d9f9e2cd15d0aa6b5b0f0"`
Dec 17 17:47:17.540 INFO [stdout] c32600329240ff0f6724b3a1cd17c165c79cf2e2a44d9f9e2cd15d0aa6b5b0f0