Dec 19 12:50:49.833 INFO checking mdaffin/scribe against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:50:49.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:50:50.202 INFO [stdout] a1f9c5dc8a4867a50cde83544bd3978cab97da8f1461efd56365fa0015501b3d
Dec 19 12:50:50.202 INFO running `"docker" "start" "-a" "a1f9c5dc8a4867a50cde83544bd3978cab97da8f1461efd56365fa0015501b3d"`
Dec 19 12:50:52.532 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 19 12:50:52.532 INFO [stderr]     Checking simplelog v0.5.2
Dec 19 12:50:56.264 INFO [stderr]     Checking structopt v0.2.10
Dec 19 12:50:56.670 INFO [stderr]     Checking scribe v0.1.0 (/opt/crater/workdir)
Dec 19 12:50:57.808 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 12:50:57.809 INFO [stderr]  --> src/main.rs:6:1
Dec 19 12:50:57.809 INFO [stderr]   |
Dec 19 12:50:57.809 INFO [stderr] 6 | #[macro_use]
Dec 19 12:50:57.809 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 12:50:57.809 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 12:50:57.809 INFO [stderr]  --> src/main.rs:6:1
Dec 19 12:50:57.809 INFO [stderr]   |
Dec 19 12:50:57.809 INFO [stderr] 6 | #[macro_use]
Dec 19 12:50:57.809 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 12:50:57.809 INFO [stderr]   |
Dec 19 12:50:57.809 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:50:57.809 INFO [stderr] 
Dec 19 12:50:57.809 INFO [stderr]   |
Dec 19 12:50:57.809 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:50:57.809 INFO [stderr] 
Dec 19 12:50:58.308 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:50:58.308 INFO [stderr]    --> src/block_dev.rs:367:13
Dec 19 12:50:58.308 INFO [stderr]     |
Dec 19 12:50:58.308 INFO [stderr] 367 |             run_checks(&mut blkdev);
Dec 19 12:50:58.309 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:50:58.309 INFO [stderr]     |
Dec 19 12:50:58.309 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 12:50:58.310 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:50:58.310 INFO [stderr] 
Dec 19 12:50:58.324 INFO [stderr] warning: variant is never constructed: `ExternalDrive`
Dec 19 12:50:58.325 INFO [stderr]   --> src/block_dev.rs:49:5
Dec 19 12:50:58.325 INFO [stderr]    |
Dec 19 12:50:58.325 INFO [stderr] 49 |     ExternalDrive,
Dec 19 12:50:58.326 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 12:50:58.326 INFO [stderr]    |
Dec 19 12:50:58.327 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:50:58.327 INFO [stderr] 
Dec 19 12:50:58.378 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
Dec 19 12:50:59.988 INFO running `"docker" "inspect" "a1f9c5dc8a4867a50cde83544bd3978cab97da8f1461efd56365fa0015501b3d"`
Dec 19 12:51:00.310 INFO running `"docker" "rm" "-f" "a1f9c5dc8a4867a50cde83544bd3978cab97da8f1461efd56365fa0015501b3d"`
Dec 19 12:51:00.628 INFO [stdout] a1f9c5dc8a4867a50cde83544bd3978cab97da8f1461efd56365fa0015501b3d