Dec 18 12:37:08.379 INFO checking r2pipe-0.4.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:37:08.379 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/r2pipe/0.4.0:/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 18 12:37:08.556 INFO [stdout] 3f99d0ffce347e6f27688bd607c3edd7f00c28f9c483fa9d57a35a3c1704b39a
Dec 18 12:37:08.558 INFO running `"docker" "start" "-a" "3f99d0ffce347e6f27688bd607c3edd7f00c28f9c483fa9d57a35a3c1704b39a"`
Dec 18 12:37:09.216 INFO [stderr]     Checking r2pipe v0.4.0 (/opt/crater/workdir)
Dec 18 12:37:10.752 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 12:37:10.752 INFO [stderr]  --> examples/main.rs:1:1
Dec 18 12:37:10.752 INFO [stderr]   |
Dec 18 12:37:10.752 INFO [stderr] 1 | #[macro_use] extern crate r2pipe;
Dec 18 12:37:10.752 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 12:37:10.752 INFO [stderr]   |
Dec 18 12:37:10.752 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:37:10.752 INFO [stderr] 
Dec 18 12:37:10.756 INFO [stderr] warning: unused import: `std::process`
Dec 18 12:37:10.756 INFO [stderr]  --> examples/main.rs:4:5
Dec 18 12:37:10.756 INFO [stderr]   |
Dec 18 12:37:10.756 INFO [stderr] 4 | use std::process;
Dec 18 12:37:10.756 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 12:37:10.756 INFO [stderr] 
Dec 18 12:37:10.822 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 12:37:10.822 INFO [stderr]  --> examples/quit.rs:1:1
Dec 18 12:37:10.822 INFO [stderr]   |
Dec 18 12:37:10.822 INFO [stderr] 1 | #[macro_use]
Dec 18 12:37:10.822 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 12:37:10.822 INFO [stderr]   |
Dec 18 12:37:10.822 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:37:10.822 INFO [stderr] 
Dec 18 12:37:10.856 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 12:37:10.856 INFO [stderr]  --> examples/r2_example.rs:1:1
Dec 18 12:37:10.856 INFO [stderr]   |
Dec 18 12:37:10.856 INFO [stderr] 1 | #[macro_use] extern crate r2pipe;
Dec 18 12:37:10.856 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 12:37:10.856 INFO [stderr]   |
Dec 18 12:37:10.856 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:37:10.856 INFO [stderr] 
Dec 18 12:37:10.909 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
Dec 18 12:37:11.221 INFO running `"docker" "inspect" "3f99d0ffce347e6f27688bd607c3edd7f00c28f9c483fa9d57a35a3c1704b39a"`
Dec 18 12:37:11.272 INFO running `"docker" "rm" "-f" "3f99d0ffce347e6f27688bd607c3edd7f00c28f9c483fa9d57a35a3c1704b39a"`
Dec 18 12:37:11.366 INFO [stdout] 3f99d0ffce347e6f27688bd607c3edd7f00c28f9c483fa9d57a35a3c1704b39a