[INFO] updating cached repository bnclabs/diskio
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bnclabs/diskio
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bnclabs/diskio" "work/ex/beta-1.38-1/sources/1.37.0/gh/bnclabs/diskio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bnclabs/diskio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bnclabs/diskio" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bnclabs/diskio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bnclabs/diskio'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] de275d987ccdc8a56b00032dfdcb7eb99216be18
[INFO] sha for GitHub repo bnclabs/diskio: de275d987ccdc8a56b00032dfdcb7eb99216be18
[INFO] validating manifest of bnclabs/diskio on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bnclabs/diskio on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bnclabs/diskio
[INFO] finished frobbing bnclabs/diskio
[INFO] frobbed toml for bnclabs/diskio written to work/ex/beta-1.38-1/sources/1.37.0/gh/bnclabs/diskio/Cargo.toml
[INFO] started frobbing bnclabs/diskio
[INFO] finished frobbing bnclabs/diskio
[INFO] frobbed toml for bnclabs/diskio written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bnclabs/diskio/Cargo.toml
[INFO] crate bnclabs/diskio already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bnclabs/diskio against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bnclabs/diskio:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e572de8c876a66e90b69a93f43eda1faa2a2e3f940f25fa0be3d6b8cb37ee4e1
[INFO] running `"docker" "start" "-a" "e572de8c876a66e90b69a93f43eda1faa2a2e3f940f25fa0be3d6b8cb37ee4e1"`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling svg v0.5.12
[INFO] [stderr]    Compiling regex-syntax v0.6.8
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling font-loader v0.8.0
[INFO] [stderr]    Compiling image v0.21.2
[INFO] [stderr]    Compiling plotters v0.2.2
[INFO] [stderr]    Compiling diskio v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `"docker" "inspect" "e572de8c876a66e90b69a93f43eda1faa2a2e3f940f25fa0be3d6b8cb37ee4e1"`
[INFO] running `"docker" "rm" "-f" "e572de8c876a66e90b69a93f43eda1faa2a2e3f940f25fa0be3d6b8cb37ee4e1"`
[INFO] [stdout] e572de8c876a66e90b69a93f43eda1faa2a2e3f940f25fa0be3d6b8cb37ee4e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bnclabs/diskio:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6697aaec74a725568c54a7c88d8843f46c733d769b417fd1613a84fc9429a66e
[INFO] running `"docker" "start" "-a" "6697aaec74a725568c54a7c88d8843f46c733d769b417fd1613a84fc9429a66e"`
[INFO] [stderr]    Compiling diskio v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `"docker" "inspect" "6697aaec74a725568c54a7c88d8843f46c733d769b417fd1613a84fc9429a66e"`
[INFO] running `"docker" "rm" "-f" "6697aaec74a725568c54a7c88d8843f46c733d769b417fd1613a84fc9429a66e"`
[INFO] [stdout] 6697aaec74a725568c54a7c88d8843f46c733d769b417fd1613a84fc9429a66e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bnclabs/diskio:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6fcd9c3f1f2c38e0ff96960a67c2ec6bc9f3130335e88bf2801335184f6d8697
[INFO] running `"docker" "start" "-a" "6fcd9c3f1f2c38e0ff96960a67c2ec6bc9f3130335e88bf2801335184f6d8697"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/diskio-471af6157ccde571
[INFO] running `"docker" "inspect" "6fcd9c3f1f2c38e0ff96960a67c2ec6bc9f3130335e88bf2801335184f6d8697"`
[INFO] running `"docker" "rm" "-f" "6fcd9c3f1f2c38e0ff96960a67c2ec6bc9f3130335e88bf2801335184f6d8697"`
[INFO] [stdout] 6fcd9c3f1f2c38e0ff96960a67c2ec6bc9f3130335e88bf2801335184f6d8697