Dec 19 16:17:56.793 INFO checking guilherme/rust-mach-o-parser against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:17:56.793 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/guilherme/rust-mach-o-parser:/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 16:17:57.267 INFO [stdout] 2455bbe48bc19e1a9cbccc0e61437550fa89de268f6cc33d74c1d50fee1d2758
Dec 19 16:17:57.270 INFO running `"docker" "start" "-a" "2455bbe48bc19e1a9cbccc0e61437550fa89de268f6cc33d74c1d50fee1d2758"`
Dec 19 16:17:58.464 INFO [stderr]     Checking mach-o-parser v0.1.0 (/opt/crater/workdir)
Dec 19 16:17:58.720 INFO [stderr] warning: unused variable: `f`
Dec 19 16:17:58.720 INFO [stderr]   --> src/main.rs:39:21
Dec 19 16:17:58.720 INFO [stderr]    |
Dec 19 16:17:58.720 INFO [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
Dec 19 16:17:58.720 INFO [stderr]    |                     ^ help: consider using `_f` instead
Dec 19 16:17:58.720 INFO [stderr]    |
Dec 19 16:17:58.720 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 16:17:58.720 INFO [stderr] 
Dec 19 16:17:58.720 INFO [stderr] warning: unused variable: `is_64`
Dec 19 16:17:58.721 INFO [stderr]   --> src/main.rs:39:35
Dec 19 16:17:58.721 INFO [stderr]    |
Dec 19 16:17:58.721 INFO [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
Dec 19 16:17:58.721 INFO [stderr]    |                                   ^^^^^ help: consider using `_is_64` instead
Dec 19 16:17:58.721 INFO [stderr] 
Dec 19 16:17:58.721 INFO [stderr] warning: unused variable: `should_swap`
Dec 19 16:17:58.721 INFO [stderr]   --> src/main.rs:39:48
Dec 19 16:17:58.721 INFO [stderr]    |
Dec 19 16:17:58.721 INFO [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
Dec 19 16:17:58.721 INFO [stderr]    |                                                ^^^^^^^^^^^ help: consider using `_should_swap` instead
Dec 19 16:17:58.721 INFO [stderr] 
Dec 19 16:17:58.723 INFO [stderr] warning: constant item is never used: `MH_MAGIC`
Dec 19 16:17:58.723 INFO [stderr]  --> src/main.rs:6:1
Dec 19 16:17:58.723 INFO [stderr]   |
Dec 19 16:17:58.723 INFO [stderr] 6 | const MH_MAGIC: u32 = 0xfeedface;
Dec 19 16:17:58.723 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:17:58.723 INFO [stderr]   |
Dec 19 16:17:58.723 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 16:17:58.723 INFO [stderr] 
Dec 19 16:17:58.741 INFO [stderr] warning: unused variable: `f`
Dec 19 16:17:58.742 INFO [stderr]   --> src/main.rs:39:21
Dec 19 16:17:58.742 INFO [stderr]    |
Dec 19 16:17:58.742 INFO [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
Dec 19 16:17:58.742 INFO [stderr]    |                     ^ help: consider using `_f` instead
Dec 19 16:17:58.744 INFO [stderr]    |
Dec 19 16:17:58.744 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 16:17:58.744 INFO [stderr] 
Dec 19 16:17:58.748 INFO [stderr] warning: unused variable: `is_64`
Dec 19 16:17:58.748 INFO [stderr]   --> src/main.rs:39:35
Dec 19 16:17:58.748 INFO [stderr]    |
Dec 19 16:17:58.748 INFO [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
Dec 19 16:17:58.748 INFO [stderr]    |                                   ^^^^^ help: consider using `_is_64` instead
Dec 19 16:17:58.748 INFO [stderr] 
Dec 19 16:17:58.748 INFO [stderr] warning: unused variable: `should_swap`
Dec 19 16:17:58.748 INFO [stderr]   --> src/main.rs:39:48
Dec 19 16:17:58.748 INFO [stderr]    |
Dec 19 16:17:58.748 INFO [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
Dec 19 16:17:58.748 INFO [stderr]    |                                                ^^^^^^^^^^^ help: consider using `_should_swap` instead
Dec 19 16:17:58.748 INFO [stderr] 
Dec 19 16:17:58.749 INFO [stderr] warning: constant item is never used: `MH_MAGIC`
Dec 19 16:17:58.749 INFO [stderr]  --> src/main.rs:6:1
Dec 19 16:17:58.749 INFO [stderr]   |
Dec 19 16:17:58.749 INFO [stderr] 6 | const MH_MAGIC: u32 = 0xfeedface;
Dec 19 16:17:58.749 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:17:58.749 INFO [stderr]   |
Dec 19 16:17:58.749 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 16:17:58.749 INFO [stderr] 
Dec 19 16:17:58.784 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Dec 19 16:17:59.302 INFO running `"docker" "inspect" "2455bbe48bc19e1a9cbccc0e61437550fa89de268f6cc33d74c1d50fee1d2758"`
Dec 19 16:17:59.508 INFO running `"docker" "rm" "-f" "2455bbe48bc19e1a9cbccc0e61437550fa89de268f6cc33d74c1d50fee1d2758"`
Dec 19 16:17:59.702 INFO [stdout] 2455bbe48bc19e1a9cbccc0e61437550fa89de268f6cc33d74c1d50fee1d2758