Nov 30 19:45:36.989 INFO checking mach_object-0.1.13 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 19:45:36.989 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 19:45:37.576 INFO [stdout] a6740ad44c71a5afcee7a2dd240515d3e70508f0e4997868093fa5e175ec3325
Nov 30 19:45:37.578 INFO running `"docker" "start" "-a" "a6740ad44c71a5afcee7a2dd240515d3e70508f0e4997868093fa5e175ec3325"`
Nov 30 19:45:38.373 INFO [stderr] usermod: no changes
Nov 30 19:45:38.511 INFO [stderr]     Checking memmap v0.7.0
Nov 30 19:45:38.516 INFO [stderr]     Checking hexplay v0.2.1
Nov 30 19:45:38.516 INFO [stderr]     Checking mach_object v0.1.13 (/source)
Nov 30 19:45:43.520 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:45:43.520 INFO [stderr]    --> src/display.rs:461:17
Nov 30 19:45:43.520 INFO [stderr]     |
Nov 30 19:45:43.520 INFO [stderr] 461 |                 writeln!(f, "    tools");
Nov 30 19:45:43.520 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:45:43.520 INFO [stderr]     |
Nov 30 19:45:43.520 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 19:45:43.520 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:45:43.520 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)
Nov 30 19:45:43.520 INFO [stderr] 
Nov 30 19:45:47.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:45:47.616 INFO [stderr]    --> src/display.rs:461:17
Nov 30 19:45:47.616 INFO [stderr]     |
Nov 30 19:45:47.616 INFO [stderr] 461 |                 writeln!(f, "    tools");
Nov 30 19:45:47.616 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:45:47.616 INFO [stderr]     |
Nov 30 19:45:47.616 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 19:45:47.616 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:45:47.616 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)
Nov 30 19:45:47.616 INFO [stderr] 
Nov 30 19:45:48.654 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 19:45:48.654 INFO [stderr]  --> tests/integration_tests.rs:1:1
Nov 30 19:45:48.654 INFO [stderr]   |
Nov 30 19:45:48.654 INFO [stderr] 1 | #[macro_use]
Nov 30 19:45:48.654 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 19:45:48.654 INFO [stderr]   |
Nov 30 19:45:48.654 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:45:48.654 INFO [stderr] 
Nov 30 19:45:49.028 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 19:45:49.028 INFO [stderr]  --> examples/otool.rs:9:1
Nov 30 19:45:49.028 INFO [stderr]   |
Nov 30 19:45:49.028 INFO [stderr] 9 | #[macro_use]
Nov 30 19:45:49.028 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 19:45:49.028 INFO [stderr]   |
Nov 30 19:45:49.028 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:45:49.028 INFO [stderr] 
Nov 30 19:45:49.507 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.10s
Nov 30 19:45:49.516 INFO [stderr] su: No module specific data is present
Nov 30 19:45:50.022 INFO running `"docker" "inspect" "a6740ad44c71a5afcee7a2dd240515d3e70508f0e4997868093fa5e175ec3325"`
Nov 30 19:45:50.122 INFO running `"docker" "rm" "-f" "a6740ad44c71a5afcee7a2dd240515d3e70508f0e4997868093fa5e175ec3325"`
Nov 30 19:45:50.226 INFO [stdout] a6740ad44c71a5afcee7a2dd240515d3e70508f0e4997868093fa5e175ec3325