Dec 18 09:40:36.061 INFO checking users-0.8.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 09:40:36.061 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/users/0.8.1:/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 09:40:36.534 INFO [stdout] e8596ecd5fc201b622c0a48dd889f33206507dbec7a4fd5893e9d7a7d335b1bd
Dec 18 09:40:36.536 INFO running `"docker" "start" "-a" "e8596ecd5fc201b622c0a48dd889f33206507dbec7a4fd5893e9d7a7d335b1bd"`
Dec 18 09:40:38.743 INFO [stderr]     Checking users v0.8.1 (/opt/crater/workdir)
Dec 18 09:40:39.293 INFO [stderr] warning: trivial numeric cast: `u32` as `u32`
Dec 18 09:40:39.293 INFO [stderr]    --> src/base.rs:390:46
Dec 18 09:40:39.294 INFO [stderr]     |
Dec 18 09:40:39.294 INFO [stderr] 390 |             .filter_map(|i| get_group_by_gid(i as gid_t))
Dec 18 09:40:39.294 INFO [stderr]     |                                              ^^^^^^^^^^
Dec 18 09:40:39.295 INFO [stderr]     |
Dec 18 09:40:39.295 INFO [stderr] note: lint level defined here
Dec 18 09:40:39.295 INFO [stderr]    --> src/lib.rs:7:24
Dec 18 09:40:39.295 INFO [stderr]     |
Dec 18 09:40:39.296 INFO [stderr] 7   | #![warn(trivial_casts, trivial_numeric_casts)]
Dec 18 09:40:39.296 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:40:39.296 INFO [stderr]     = help: cast can be replaced by coercion; this might require a temporary variable
Dec 18 09:40:39.297 INFO [stderr] 
Dec 18 09:40:39.460 INFO [stderr] warning: trivial numeric cast: `u32` as `u32`
Dec 18 09:40:39.460 INFO [stderr]    --> src/base.rs:390:46
Dec 18 09:40:39.460 INFO [stderr]     |
Dec 18 09:40:39.460 INFO [stderr] 390 |             .filter_map(|i| get_group_by_gid(i as gid_t))
Dec 18 09:40:39.460 INFO [stderr]     |                                              ^^^^^^^^^^
Dec 18 09:40:39.460 INFO [stderr]     |
Dec 18 09:40:39.460 INFO [stderr] note: lint level defined here
Dec 18 09:40:39.460 INFO [stderr]    --> src/lib.rs:7:24
Dec 18 09:40:39.460 INFO [stderr]     |
Dec 18 09:40:39.460 INFO [stderr] 7   | #![warn(trivial_casts, trivial_numeric_casts)]
Dec 18 09:40:39.460 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:40:39.460 INFO [stderr]     = help: cast can be replaced by coercion; this might require a temporary variable
Dec 18 09:40:39.460 INFO [stderr] 
Dec 18 09:40:40.453 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
Dec 18 09:40:40.967 INFO running `"docker" "inspect" "e8596ecd5fc201b622c0a48dd889f33206507dbec7a4fd5893e9d7a7d335b1bd"`
Dec 18 09:40:41.262 INFO running `"docker" "rm" "-f" "e8596ecd5fc201b622c0a48dd889f33206507dbec7a4fd5893e9d7a7d335b1bd"`
Dec 18 09:40:41.543 INFO [stdout] e8596ecd5fc201b622c0a48dd889f33206507dbec7a4fd5893e9d7a7d335b1bd