[INFO] updating cached repository mdaffin/scribe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mdaffin/scribe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mdaffin/scribe" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/mdaffin/scribe"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/mdaffin/scribe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mdaffin/scribe" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/mdaffin/scribe"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/mdaffin/scribe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd1bdf1431d676f55cac0126ebcf25841c89f3c3
[INFO] sha for GitHub repo mdaffin/scribe: bd1bdf1431d676f55cac0126ebcf25841c89f3c3
[INFO] validating manifest of mdaffin/scribe on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mdaffin/scribe on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mdaffin/scribe
[INFO] finished frobbing mdaffin/scribe
[INFO] frobbed toml for mdaffin/scribe written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/mdaffin/scribe/Cargo.toml
[INFO] started frobbing mdaffin/scribe
[INFO] finished frobbing mdaffin/scribe
[INFO] frobbed toml for mdaffin/scribe written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/mdaffin/scribe/Cargo.toml
[INFO] crate mdaffin/scribe already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mdaffin/scribe against try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-6/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/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" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] caf618bba855e6819d3499269bdeb26c6f0cb84caea16b38ef7f65a2a7166a6d
[INFO] running `"docker" "start" "-a" "caf618bba855e6819d3499269bdeb26c6f0cb84caea16b38ef7f65a2a7166a6d"`
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking chrono v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking simplelog v0.5.2
[INFO] [stderr]     Checking os_type v2.0.0
[INFO] [stderr]     Checking human-panic v1.0.0
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking scribe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ExternalDrive`
[INFO] [stderr]   --> src/block_dev.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     ExternalDrive,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/block_dev.rs:367:13
[INFO] [stderr]     |
[INFO] [stderr] 367 |             run_checks(&mut blkdev);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.94s
[INFO] running `"docker" "inspect" "caf618bba855e6819d3499269bdeb26c6f0cb84caea16b38ef7f65a2a7166a6d"`
[INFO] running `"docker" "rm" "-f" "caf618bba855e6819d3499269bdeb26c6f0cb84caea16b38ef7f65a2a7166a6d"`
[INFO] [stdout] caf618bba855e6819d3499269bdeb26c6f0cb84caea16b38ef7f65a2a7166a6d