Dec 19 17:30:36.985 INFO checking ekoecho/rustop against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:30:36.986 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ekoecho/rustop:/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 17:30:37.390 INFO [stdout] 1377829b2c8d2da65b97977e706f5f3a2bab3afa467c21452f4fe2ff6b56d10d
Dec 19 17:30:37.392 INFO running `"docker" "start" "-a" "1377829b2c8d2da65b97977e706f5f3a2bab3afa467c21452f4fe2ff6b56d10d"`
Dec 19 17:30:39.364 INFO [stderr]     Checking nom v2.2.1
Dec 19 17:30:39.364 INFO [stderr]    Compiling semver v0.6.0
Dec 19 17:30:39.416 INFO [stderr]     Checking termion v1.5.1
Dec 19 17:30:41.360 INFO [stderr]    Compiling rustc_version v0.2.1
Dec 19 17:30:42.937 INFO [stderr]    Compiling procinfo v0.4.2
Dec 19 17:30:52.976 INFO [stderr]     Checking rustop v0.1.0 (/opt/crater/workdir)
Dec 19 17:30:53.232 INFO [stderr] warning: value assigned to `a` is never read
Dec 19 17:30:53.232 INFO [stderr]   --> src/main.rs:23:17
Dec 19 17:30:53.232 INFO [stderr]    |
Dec 19 17:30:53.232 INFO [stderr] 23 |         let mut a = procinfo::loadavg();
Dec 19 17:30:53.232 INFO [stderr]    |                 ^
Dec 19 17:30:53.232 INFO [stderr]    |
Dec 19 17:30:53.232 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 17:30:53.232 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 17:30:53.232 INFO [stderr] 
Dec 19 17:30:53.376 INFO [stderr] warning: value assigned to `a` is never read
Dec 19 17:30:53.376 INFO [stderr]   --> src/main.rs:23:17
Dec 19 17:30:53.376 INFO [stderr]    |
Dec 19 17:30:53.376 INFO [stderr] 23 |         let mut a = procinfo::loadavg();
Dec 19 17:30:53.376 INFO [stderr]    |                 ^
Dec 19 17:30:53.376 INFO [stderr]    |
Dec 19 17:30:53.376 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 17:30:53.376 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 17:30:53.376 INFO [stderr] 
Dec 19 17:30:53.399 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.09s
Dec 19 17:30:53.854 INFO running `"docker" "inspect" "1377829b2c8d2da65b97977e706f5f3a2bab3afa467c21452f4fe2ff6b56d10d"`
Dec 19 17:30:54.044 INFO running `"docker" "rm" "-f" "1377829b2c8d2da65b97977e706f5f3a2bab3afa467c21452f4fe2ff6b56d10d"`
Dec 19 17:30:54.271 INFO [stdout] 1377829b2c8d2da65b97977e706f5f3a2bab3afa467c21452f4fe2ff6b56d10d