[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/beta-1.37-6/sources/1.36.0/gh/mdaffin/scribe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mdaffin/scribe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mdaffin/scribe" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mdaffin/scribe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mdaffin/scribe on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mdaffin/scribe against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 330133f415c0abf7bce2efc47b2fcf71191d81b26d48345855df0a617d89e946
[INFO] running `"docker" "start" "-a" "330133f415c0abf7bce2efc47b2fcf71191d81b26d48345855df0a617d89e946"`
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling os_type v2.0.0
[INFO] [stderr]    Compiling chrono v0.4.3
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling simplelog v0.5.2
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling human-panic v1.0.0
[INFO] [stderr]    Compiling 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 23.08s
[INFO] running `"docker" "inspect" "330133f415c0abf7bce2efc47b2fcf71191d81b26d48345855df0a617d89e946"`
[INFO] running `"docker" "rm" "-f" "330133f415c0abf7bce2efc47b2fcf71191d81b26d48345855df0a617d89e946"`
[INFO] [stdout] 330133f415c0abf7bce2efc47b2fcf71191d81b26d48345855df0a617d89e946
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 353a24fb02dfca12be3e706a0e0e62a97b24f63842fc76538aa73f72c3321e7d
[INFO] running `"docker" "start" "-a" "353a24fb02dfca12be3e706a0e0e62a97b24f63842fc76538aa73f72c3321e7d"`
[INFO] [stderr]    Compiling 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 `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 3.57s
[INFO] running `"docker" "inspect" "353a24fb02dfca12be3e706a0e0e62a97b24f63842fc76538aa73f72c3321e7d"`
[INFO] running `"docker" "rm" "-f" "353a24fb02dfca12be3e706a0e0e62a97b24f63842fc76538aa73f72c3321e7d"`
[INFO] [stdout] 353a24fb02dfca12be3e706a0e0e62a97b24f63842fc76538aa73f72c3321e7d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 38e52dd4cda944bb89fbfb05a22730ab7ad2ab7177014bb20503bf3e9772f094
[INFO] running `"docker" "start" "-a" "38e52dd4cda944bb89fbfb05a22730ab7ad2ab7177014bb20503bf3e9772f094"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scribe-d87aca4f46034678
[INFO] [stdout] test block_dev::tests::device_checks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "38e52dd4cda944bb89fbfb05a22730ab7ad2ab7177014bb20503bf3e9772f094"`
[INFO] running `"docker" "rm" "-f" "38e52dd4cda944bb89fbfb05a22730ab7ad2ab7177014bb20503bf3e9772f094"`
[INFO] [stdout] 38e52dd4cda944bb89fbfb05a22730ab7ad2ab7177014bb20503bf3e9772f094