Oct 12 17:36:37.933 INFO checking mdaffin/scribe against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 17:36:37.934 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 17:36:38.429 INFO blam! 90fa855655bea578ff0506162ece125c21d9670e21a6ad231765b1a6ec2fc031
Oct 12 17:36:38.430 INFO running `"docker" "start" "-a" "90fa855655bea578ff0506162ece125c21d9670e21a6ad231765b1a6ec2fc031"`
Oct 12 17:36:40.764 INFO kablam! usermod: no changes
Oct 12 17:36:41.048 INFO kablam!     Checking termion v1.5.1
Oct 12 17:36:41.056 INFO kablam!    Compiling structopt-derive v0.2.10
Oct 12 17:36:41.056 INFO kablam!     Checking chrono v0.4.3
Oct 12 17:36:41.056 INFO kablam!     Checking os_type v2.0.0
Oct 12 17:36:42.844 INFO kablam!     Checking human-panic v1.0.0
Oct 12 17:36:46.804 INFO kablam!     Checking simplelog v0.5.2
Oct 12 17:36:49.468 INFO kablam!     Checking structopt v0.2.10
Oct 12 17:36:50.108 INFO kablam!     Checking scribe v0.1.0 (/source)
Oct 12 17:36:52.508 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 17:36:52.508 INFO kablam!  --> src/main.rs:6:1
Oct 12 17:36:52.508 INFO kablam!   |
Oct 12 17:36:52.508 INFO kablam! 6 | #[macro_use]
Oct 12 17:36:52.508 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 17:36:52.508 INFO kablam!   |
Oct 12 17:36:52.508 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:36:52.508 INFO kablam! 
Oct 12 17:36:52.672 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 17:36:52.672 INFO kablam!  --> src/main.rs:6:1
Oct 12 17:36:52.672 INFO kablam!   |
Oct 12 17:36:52.672 INFO kablam! 6 | #[macro_use]
Oct 12 17:36:52.672 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 17:36:52.672 INFO kablam!   |
Oct 12 17:36:52.672 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:36:52.672 INFO kablam! 
Oct 12 17:36:53.222 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:36:53.222 INFO kablam!    --> src/block_dev.rs:367:13
Oct 12 17:36:53.223 INFO kablam!     |
Oct 12 17:36:53.223 INFO kablam! 367 |             run_checks(&mut blkdev);
Oct 12 17:36:53.223 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:36:53.224 INFO kablam!     |
Oct 12 17:36:53.224 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 17:36:53.225 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:36:53.225 INFO kablam! 
Oct 12 17:36:53.244 INFO kablam! warning: variant is never constructed: `ExternalDrive`
Oct 12 17:36:53.245 INFO kablam!   --> src/block_dev.rs:49:5
Oct 12 17:36:53.245 INFO kablam!    |
Oct 12 17:36:53.245 INFO kablam! 49 |     ExternalDrive,
Oct 12 17:36:53.245 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 12 17:36:53.246 INFO kablam!    |
Oct 12 17:36:53.246 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 17:36:53.246 INFO kablam! 
Oct 12 17:36:53.349 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.55s
Oct 12 17:36:53.358 INFO kablam! su: No module specific data is present
Oct 12 17:36:54.868 INFO running `"docker" "rm" "-f" "90fa855655bea578ff0506162ece125c21d9670e21a6ad231765b1a6ec2fc031"`
Oct 12 17:36:55.227 INFO blam! 90fa855655bea578ff0506162ece125c21d9670e21a6ad231765b1a6ec2fc031