Oct 12 17:36:30.075 INFO checking mdaffin/scribe against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:36:30.077 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 17:36:30.626 INFO blam! 4a51ae6768a757c455e62ede6b672b8e8a3463f484b187b5f3f48117d676d3bd
Oct 12 17:36:30.628 INFO running `"docker" "start" "-a" "4a51ae6768a757c455e62ede6b672b8e8a3463f484b187b5f3f48117d676d3bd"`
Oct 12 17:36:32.436 INFO kablam! usermod: no changes
Oct 12 17:36:32.721 INFO kablam!     Checking regex v0.2.11
Oct 12 17:36:32.722 INFO kablam!     Checking toml v0.4.6
Oct 12 17:36:32.722 INFO kablam!    Compiling structopt-derive v0.2.10
Oct 12 17:36:32.723 INFO kablam!     Checking simplelog v0.5.2
Oct 12 17:36:39.584 INFO kablam!     Checking os_type v2.0.0
Oct 12 17:36:41.688 INFO kablam!     Checking human-panic v1.0.0
Oct 12 17:36:43.033 INFO kablam!     Checking structopt v0.2.10
Oct 12 17:36:43.638 INFO kablam!     Checking scribe v0.1.0 (/source)
Oct 12 17:36:45.766 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 17:36:45.766 INFO kablam!  --> src/main.rs:6:1
Oct 12 17:36:45.766 INFO kablam!   |
Oct 12 17:36:45.766 INFO kablam! 6 | #[macro_use]
Oct 12 17:36:45.766 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 17:36:45.766 INFO kablam!   |
Oct 12 17:36:45.766 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:36:45.766 INFO kablam! 
Oct 12 17:36:46.030 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 17:36:46.031 INFO kablam!  --> src/main.rs:6:1
Oct 12 17:36:46.031 INFO kablam!   |
Oct 12 17:36:46.032 INFO kablam! 6 | #[macro_use]
Oct 12 17:36:46.033 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 17:36:46.033 INFO kablam!   |
Oct 12 17:36:46.034 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 17:36:46.035 INFO kablam! 
Oct 12 17:36:46.284 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:36:46.284 INFO kablam!    --> src/block_dev.rs:367:13
Oct 12 17:36:46.284 INFO kablam!     |
Oct 12 17:36:46.284 INFO kablam! 367 |             run_checks(&mut blkdev);
Oct 12 17:36:46.284 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:36:46.284 INFO kablam!     |
Oct 12 17:36:46.284 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 17:36:46.284 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:36:46.284 INFO kablam! 
Oct 12 17:36:46.540 INFO kablam! warning: variant is never constructed: `ExternalDrive`
Oct 12 17:36:46.540 INFO kablam!   --> src/block_dev.rs:49:5
Oct 12 17:36:46.540 INFO kablam!    |
Oct 12 17:36:46.540 INFO kablam! 49 |     ExternalDrive,
Oct 12 17:36:46.540 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 12 17:36:46.544 INFO kablam!    |
Oct 12 17:36:46.544 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 17:36:46.544 INFO kablam! 
Oct 12 17:36:46.614 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.15s
Oct 12 17:36:46.623 INFO kablam! su: No module specific data is present
Oct 12 17:36:47.982 INFO running `"docker" "rm" "-f" "4a51ae6768a757c455e62ede6b672b8e8a3463f484b187b5f3f48117d676d3bd"`
Oct 12 17:36:48.264 INFO blam! 4a51ae6768a757c455e62ede6b672b8e8a3463f484b187b5f3f48117d676d3bd