Dec 12 14:48:59.277 INFO checking fse_dump-0.3.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 14:48:59.277 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 14:48:59.712 INFO [stdout] 9d671d167b8fae87899145cd55b4c2a7a6cc68e64ee6160c8991711739a94e35
Dec 12 14:48:59.713 INFO running `"docker" "start" "-a" "9d671d167b8fae87899145cd55b4c2a7a6cc68e64ee6160c8991711739a94e35"`
Dec 12 14:49:00.976 INFO [stderr] usermod: no changes
Dec 12 14:49:01.260 INFO [stderr]     Checking env_logger v0.6.0
Dec 12 14:49:01.260 INFO [stderr]     Checking structopt v0.2.14
Dec 12 14:49:03.672 INFO [stderr]     Checking fse_dump v0.3.0 (/source)
Dec 12 14:49:09.837 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 14:49:09.837 INFO [stderr]  --> src/main.rs:7:1
Dec 12 14:49:09.837 INFO [stderr]   |
Dec 12 14:49:09.837 INFO [stderr] 7 | #[macro_use]
Dec 12 14:49:09.837 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 14:49:09.837 INFO [stderr]   |
Dec 12 14:49:09.837 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 14:49:09.837 INFO [stderr] 
Dec 12 14:49:09.877 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 14:49:09.877 INFO [stderr]  --> src/main.rs:7:1
Dec 12 14:49:09.877 INFO [stderr]   |
Dec 12 14:49:09.877 INFO [stderr] 7 | #[macro_use]
Dec 12 14:49:09.877 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 14:49:09.877 INFO [stderr]   |
Dec 12 14:49:09.877 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 14:49:09.877 INFO [stderr] 
Dec 12 14:49:10.276 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 14:49:10.276 INFO [stderr]    --> src/file_parser.rs:135:21
Dec 12 14:49:10.276 INFO [stderr]     |
Dec 12 14:49:10.276 INFO [stderr] 135 |                     u.send((rec.path.to_string(), rec.flag));
Dec 12 14:49:10.276 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 14:49:10.276 INFO [stderr]     |
Dec 12 14:49:10.276 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 14:49:10.276 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 14:49:10.276 INFO [stderr] 
Dec 12 14:49:10.520 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 14:49:10.520 INFO [stderr]    --> src/file_parser.rs:135:21
Dec 12 14:49:10.520 INFO [stderr]     |
Dec 12 14:49:10.520 INFO [stderr] 135 |                     u.send((rec.path.to_string(), rec.flag));
Dec 12 14:49:10.520 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 14:49:10.520 INFO [stderr]     |
Dec 12 14:49:10.520 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 14:49:10.520 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 14:49:10.520 INFO [stderr] 
Dec 12 14:49:10.564 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.56s
Dec 12 14:49:10.593 INFO [stderr] su: No module specific data is present
Dec 12 14:49:11.244 INFO running `"docker" "inspect" "9d671d167b8fae87899145cd55b4c2a7a6cc68e64ee6160c8991711739a94e35"`
Dec 12 14:49:11.584 INFO running `"docker" "rm" "-f" "9d671d167b8fae87899145cd55b4c2a7a6cc68e64ee6160c8991711739a94e35"`
Dec 12 14:49:11.916 INFO [stdout] 9d671d167b8fae87899145cd55b4c2a7a6cc68e64ee6160c8991711739a94e35