Dec 19 19:04:54.952 INFO checking cholcombe973/memory_monitor against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:04:54.952 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/cholcombe973/memory_monitor:/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 19:04:55.162 INFO [stdout] a3cba795e41e8ae839c1203b65c2b9c250daa9dd8c920fa26a896a194cff2a90
Dec 19 19:04:55.164 INFO running `"docker" "start" "-a" "a3cba795e41e8ae839c1203b65c2b9c250daa9dd8c920fa26a896a194cff2a90"`
Dec 19 19:04:56.288 INFO [stderr]    Compiling semver v0.6.0
Dec 19 19:04:56.288 INFO [stderr]     Checking humannum v0.1.0
Dec 19 19:04:56.300 INFO [stderr]     Checking simplelog v0.4.2
Dec 19 19:04:58.149 INFO [stderr]    Compiling rustc_version v0.2.1
Dec 19 19:04:59.196 INFO [stderr]    Compiling procinfo v0.4.2
Dec 19 19:05:09.739 INFO [stderr]     Checking process_utils v0.1.0
Dec 19 19:05:10.224 INFO [stderr]     Checking memory_monitor v0.1.0 (/opt/crater/workdir)
Dec 19 19:05:10.862 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:05:10.862 INFO [stderr]   --> src/main.rs:85:5
Dec 19 19:05:10.862 INFO [stderr]    |
Dec 19 19:05:10.862 INFO [stderr] 85 | /     kill_and_restart(
Dec 19 19:05:10.862 INFO [stderr] 86 | |         pid_info,
Dec 19 19:05:10.862 INFO [stderr] 87 | |         memory_byte_limit,
Dec 19 19:05:10.862 INFO [stderr] 88 | |         matches.is_present("parent"),
Dec 19 19:05:10.862 INFO [stderr] 89 | |         matches.is_present("test"),
Dec 19 19:05:10.862 INFO [stderr] 90 | |     );
Dec 19 19:05:10.862 INFO [stderr]    | |______^
Dec 19 19:05:10.862 INFO [stderr]    |
Dec 19 19:05:10.862 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 19:05:10.862 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:05:10.862 INFO [stderr] 
Dec 19 19:05:10.872 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:05:10.872 INFO [stderr]   --> src/main.rs:85:5
Dec 19 19:05:10.872 INFO [stderr]    |
Dec 19 19:05:10.872 INFO [stderr] 85 | /     kill_and_restart(
Dec 19 19:05:10.872 INFO [stderr] 86 | |         pid_info,
Dec 19 19:05:10.872 INFO [stderr] 87 | |         memory_byte_limit,
Dec 19 19:05:10.872 INFO [stderr] 88 | |         matches.is_present("parent"),
Dec 19 19:05:10.872 INFO [stderr] 89 | |         matches.is_present("test"),
Dec 19 19:05:10.872 INFO [stderr] 90 | |     );
Dec 19 19:05:10.872 INFO [stderr]    | |______^
Dec 19 19:05:10.872 INFO [stderr]    |
Dec 19 19:05:10.872 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 19:05:10.872 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:05:10.872 INFO [stderr] 
Dec 19 19:05:10.928 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.76s
Dec 19 19:05:11.638 INFO running `"docker" "inspect" "a3cba795e41e8ae839c1203b65c2b9c250daa9dd8c920fa26a896a194cff2a90"`
Dec 19 19:05:11.938 INFO running `"docker" "rm" "-f" "a3cba795e41e8ae839c1203b65c2b9c250daa9dd8c920fa26a896a194cff2a90"`
Dec 19 19:05:12.272 INFO [stdout] a3cba795e41e8ae839c1203b65c2b9c250daa9dd8c920fa26a896a194cff2a90