Dec 18 14:12:00.223 INFO checking mach_object-0.1.13 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:12:00.223 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/mach_object/0.1.13:/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 14:12:00.487 INFO [stdout] 6bb16aede40b22d82c60464b1ae524beb7739542117bb219333eb62760af2528
Dec 18 14:12:00.494 INFO running `"docker" "start" "-a" "6bb16aede40b22d82c60464b1ae524beb7739542117bb219333eb62760af2528"`
Dec 18 14:12:01.174 INFO [stderr]     Checking hexplay v0.2.1
Dec 18 14:12:01.177 INFO [stderr]     Checking mach_object v0.1.13 (/opt/crater/workdir)
Dec 18 14:12:04.820 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:12:04.820 INFO [stderr]    --> src/display.rs:461:17
Dec 18 14:12:04.820 INFO [stderr]     |
Dec 18 14:12:04.820 INFO [stderr] 461 |                 writeln!(f, "    tools");
Dec 18 14:12:04.820 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:12:04.820 INFO [stderr]     |
Dec 18 14:12:04.820 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 14:12:04.820 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:12:04.820 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 14:12:04.820 INFO [stderr] 
Dec 18 14:12:05.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:12:05.740 INFO [stderr]    --> src/display.rs:461:17
Dec 18 14:12:05.740 INFO [stderr]     |
Dec 18 14:12:05.740 INFO [stderr] 461 |                 writeln!(f, "    tools");
Dec 18 14:12:05.740 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:12:05.740 INFO [stderr]     |
Dec 18 14:12:05.740 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 14:12:05.740 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:12:05.740 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 14:12:05.740 INFO [stderr] 
Dec 18 14:12:06.133 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 14:12:06.133 INFO [stderr]  --> tests/integration_tests.rs:1:1
Dec 18 14:12:06.133 INFO [stderr]   |
Dec 18 14:12:06.133 INFO [stderr] 1 | #[macro_use]
Dec 18 14:12:06.133 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 14:12:06.133 INFO [stderr]   |
Dec 18 14:12:06.133 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 14:12:06.133 INFO [stderr] 
Dec 18 14:12:06.864 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 14:12:06.864 INFO [stderr]  --> examples/otool.rs:9:1
Dec 18 14:12:06.864 INFO [stderr]   |
Dec 18 14:12:06.864 INFO [stderr] 9 | #[macro_use]
Dec 18 14:12:06.864 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 14:12:06.864 INFO [stderr]   |
Dec 18 14:12:06.864 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 14:12:06.864 INFO [stderr] 
Dec 18 14:12:07.261 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.24s
Dec 18 14:12:07.522 INFO running `"docker" "inspect" "6bb16aede40b22d82c60464b1ae524beb7739542117bb219333eb62760af2528"`
Dec 18 14:12:07.612 INFO running `"docker" "rm" "-f" "6bb16aede40b22d82c60464b1ae524beb7739542117bb219333eb62760af2528"`
Dec 18 14:12:07.700 INFO [stdout] 6bb16aede40b22d82c60464b1ae524beb7739542117bb219333eb62760af2528