[INFO] updating cached repository reujab/epub-optimizer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/reujab/epub-optimizer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/reujab/epub-optimizer" "work/ex/beta-1.38-1/sources/1.37.0/gh/reujab/epub-optimizer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/reujab/epub-optimizer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/reujab/epub-optimizer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/reujab/epub-optimizer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/reujab/epub-optimizer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aaeae10e5c29cf1a78324425160cf4629e07af9e
[INFO] sha for GitHub repo reujab/epub-optimizer: aaeae10e5c29cf1a78324425160cf4629e07af9e
[INFO] validating manifest of reujab/epub-optimizer 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 reujab/epub-optimizer 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 reujab/epub-optimizer
[INFO] finished frobbing reujab/epub-optimizer
[INFO] frobbed toml for reujab/epub-optimizer written to work/ex/beta-1.38-1/sources/1.37.0/gh/reujab/epub-optimizer/Cargo.toml
[INFO] started frobbing reujab/epub-optimizer
[INFO] finished frobbing reujab/epub-optimizer
[INFO] frobbed toml for reujab/epub-optimizer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/reujab/epub-optimizer/Cargo.toml
[INFO] crate reujab/epub-optimizer 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 reujab/epub-optimizer 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/reujab/epub-optimizer:/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] 2a35764870973766d2f605a865d0419292d4e82a8fab2643c745130b217bddd7
[INFO] running `"docker" "start" "-a" "2a35764870973766d2f605a865d0419292d4e82a8fab2643c745130b217bddd7"`
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling miniz_oxide v0.1.3
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling tempfile v3.0.2
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling xmltree v0.8.0
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.4.2
[INFO] [stderr]    Compiling epub-optimizer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.09s
[INFO] running `"docker" "inspect" "2a35764870973766d2f605a865d0419292d4e82a8fab2643c745130b217bddd7"`
[INFO] running `"docker" "rm" "-f" "2a35764870973766d2f605a865d0419292d4e82a8fab2643c745130b217bddd7"`
[INFO] [stdout] 2a35764870973766d2f605a865d0419292d4e82a8fab2643c745130b217bddd7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/reujab/epub-optimizer:/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] 4cfedab1108de30f7a8faf62003782ee7af6006e5bf7dfcee94683516ef7f453
[INFO] running `"docker" "start" "-a" "4cfedab1108de30f7a8faf62003782ee7af6006e5bf7dfcee94683516ef7f453"`
[INFO] [stderr]    Compiling epub-optimizer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "4cfedab1108de30f7a8faf62003782ee7af6006e5bf7dfcee94683516ef7f453"`
[INFO] running `"docker" "rm" "-f" "4cfedab1108de30f7a8faf62003782ee7af6006e5bf7dfcee94683516ef7f453"`
[INFO] [stdout] 4cfedab1108de30f7a8faf62003782ee7af6006e5bf7dfcee94683516ef7f453
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/reujab/epub-optimizer:/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] 841df8b3a1e418316a4a314b2f5b961dfc4a32cc68d1dd3dc41d959936ef368f
[INFO] running `"docker" "start" "-a" "841df8b3a1e418316a4a314b2f5b961dfc4a32cc68d1dd3dc41d959936ef368f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/epub_optimizer-2da5893f5f5830ba
[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] running `"docker" "inspect" "841df8b3a1e418316a4a314b2f5b961dfc4a32cc68d1dd3dc41d959936ef368f"`
[INFO] running `"docker" "rm" "-f" "841df8b3a1e418316a4a314b2f5b961dfc4a32cc68d1dd3dc41d959936ef368f"`
[INFO] [stdout] 841df8b3a1e418316a4a314b2f5b961dfc4a32cc68d1dd3dc41d959936ef368f