Dec 17 19:51:04.460 INFO checking mdaffin/scribe against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:51:04.460 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/mdaffin/scribe:/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 17 19:51:04.943 INFO [stdout] 89e26eb51298329c45a739588e4f51050153e3e6b7594bf0a95d41cf4a855125
Dec 17 19:51:04.945 INFO running `"docker" "start" "-a" "89e26eb51298329c45a739588e4f51050153e3e6b7594bf0a95d41cf4a855125"`
Dec 17 19:51:08.192 INFO [stderr]     Checking chrono v0.4.3
Dec 17 19:51:08.192 INFO [stderr]     Checking os_type v2.0.0
Dec 17 19:51:08.192 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 17 19:51:09.155 INFO [stderr]     Checking human-panic v1.0.0
Dec 17 19:51:13.008 INFO [stderr]     Checking simplelog v0.5.2
Dec 17 19:51:13.788 INFO [stderr]     Checking structopt v0.2.10
Dec 17 19:51:14.152 INFO [stderr]     Checking scribe v0.1.0 (/opt/crater/workdir)
Dec 17 19:51:16.351 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 19:51:16.351 INFO [stderr]  --> src/main.rs:6:1
Dec 17 19:51:16.351 INFO [stderr]   |
Dec 17 19:51:16.351 INFO [stderr] 6 | #[macro_use]
Dec 17 19:51:16.351 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 19:51:16.356 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 19:51:16.356 INFO [stderr]  --> src/main.rs:6:1
Dec 17 19:51:16.356 INFO [stderr]   |
Dec 17 19:51:16.357 INFO [stderr] 6 | #[macro_use]
Dec 17 19:51:16.357 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 19:51:16.357 INFO [stderr]   |
Dec 17 19:51:16.358 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:51:16.358 INFO [stderr] 
Dec 17 19:51:16.366 INFO [stderr]   |
Dec 17 19:51:16.367 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:51:16.367 INFO [stderr] 
Dec 17 19:51:17.256 INFO [stderr] warning: variant is never constructed: `ExternalDrive`
Dec 17 19:51:17.256 INFO [stderr]   --> src/block_dev.rs:49:5
Dec 17 19:51:17.256 INFO [stderr]    |
Dec 17 19:51:17.257 INFO [stderr] 49 |     ExternalDrive,
Dec 17 19:51:17.257 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 17 19:51:17.257 INFO [stderr]    |
Dec 17 19:51:17.257 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:51:17.257 INFO [stderr] 
Dec 17 19:51:17.405 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 19:51:17.405 INFO [stderr]    --> src/block_dev.rs:367:13
Dec 17 19:51:17.405 INFO [stderr]     |
Dec 17 19:51:17.405 INFO [stderr] 367 |             run_checks(&mut blkdev);
Dec 17 19:51:17.405 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:51:17.405 INFO [stderr]     |
Dec 17 19:51:17.405 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 19:51:17.405 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 19:51:17.405 INFO [stderr] 
Dec 17 19:51:17.485 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.57s
Dec 17 19:51:18.784 INFO running `"docker" "inspect" "89e26eb51298329c45a739588e4f51050153e3e6b7594bf0a95d41cf4a855125"`
Dec 17 19:51:19.198 INFO running `"docker" "rm" "-f" "89e26eb51298329c45a739588e4f51050153e3e6b7594bf0a95d41cf4a855125"`
Dec 17 19:51:19.596 INFO [stdout] 89e26eb51298329c45a739588e4f51050153e3e6b7594bf0a95d41cf4a855125