Dec 04 14:19:09.935 INFO checking mdaffin/scribe against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 14:19:09.935 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 14:19:10.387 INFO [stdout] 104e908ec7697872b822d2af03205d1b89313f8b9082196214730acda82978db
Dec 04 14:19:10.395 INFO running `"docker" "start" "-a" "104e908ec7697872b822d2af03205d1b89313f8b9082196214730acda82978db"`
Dec 04 14:19:11.789 INFO [stderr] usermod: no changes
Dec 04 14:19:11.983 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 04 14:19:11.983 INFO [stderr]     Checking os_type v2.0.0
Dec 04 14:19:12.003 INFO [stderr]     Checking simplelog v0.5.2
Dec 04 14:19:13.243 INFO [stderr]     Checking human-panic v1.0.0
Dec 04 14:19:16.404 INFO [stderr]     Checking structopt v0.2.10
Dec 04 14:19:16.961 INFO [stderr]     Checking scribe v0.1.0 (/source)
Dec 04 14:19:20.051 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 14:19:20.051 INFO [stderr]  --> src/main.rs:6:1
Dec 04 14:19:20.051 INFO [stderr]   |
Dec 04 14:19:20.051 INFO [stderr] 6 | #[macro_use]
Dec 04 14:19:20.051 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 14:19:20.051 INFO [stderr]   |
Dec 04 14:19:20.051 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 14:19:20.051 INFO [stderr] 
Dec 04 14:19:20.191 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 14:19:20.191 INFO [stderr]  --> src/main.rs:6:1
Dec 04 14:19:20.191 INFO [stderr]   |
Dec 04 14:19:20.191 INFO [stderr] 6 | #[macro_use]
Dec 04 14:19:20.191 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 14:19:20.191 INFO [stderr]   |
Dec 04 14:19:20.191 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 14:19:20.191 INFO [stderr] 
Dec 04 14:19:20.501 INFO [stderr] warning: variant is never constructed: `ExternalDrive`
Dec 04 14:19:20.501 INFO [stderr]   --> src/block_dev.rs:49:5
Dec 04 14:19:20.501 INFO [stderr]    |
Dec 04 14:19:20.501 INFO [stderr] 49 |     ExternalDrive,
Dec 04 14:19:20.501 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 14:19:20.501 INFO [stderr]    |
Dec 04 14:19:20.501 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 14:19:20.501 INFO [stderr] 
Dec 04 14:19:20.771 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:19:20.771 INFO [stderr]    --> src/block_dev.rs:367:13
Dec 04 14:19:20.771 INFO [stderr]     |
Dec 04 14:19:20.771 INFO [stderr] 367 |             run_checks(&mut blkdev);
Dec 04 14:19:20.771 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 14:19:20.771 INFO [stderr]     |
Dec 04 14:19:20.771 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 14:19:20.771 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:19:20.771 INFO [stderr] 
Dec 04 14:19:20.811 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.00s
Dec 04 14:19:20.820 INFO [stderr] su: No module specific data is present
Dec 04 14:19:21.551 INFO running `"docker" "inspect" "104e908ec7697872b822d2af03205d1b89313f8b9082196214730acda82978db"`
Dec 04 14:19:21.770 INFO running `"docker" "rm" "-f" "104e908ec7697872b822d2af03205d1b89313f8b9082196214730acda82978db"`
Dec 04 14:19:22.063 INFO [stdout] 104e908ec7697872b822d2af03205d1b89313f8b9082196214730acda82978db