[INFO] updating cached repository aquacadabra/manga-downloader
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aquacadabra/manga-downloader
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aquacadabra/manga-downloader" "work/ex/beta-1.37-6/sources/1.36.0/gh/aquacadabra/manga-downloader"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/aquacadabra/manga-downloader'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aquacadabra/manga-downloader" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aquacadabra/manga-downloader"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aquacadabra/manga-downloader'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d8af3f54c319fcd23ef680c25303d68f1299c999
[INFO] sha for GitHub repo aquacadabra/manga-downloader: d8af3f54c319fcd23ef680c25303d68f1299c999
[INFO] validating manifest of aquacadabra/manga-downloader 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 aquacadabra/manga-downloader 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 aquacadabra/manga-downloader
[INFO] finished frobbing aquacadabra/manga-downloader
[INFO] frobbed toml for aquacadabra/manga-downloader written to work/ex/beta-1.37-6/sources/1.36.0/gh/aquacadabra/manga-downloader/Cargo.toml
[INFO] started frobbing aquacadabra/manga-downloader
[INFO] finished frobbing aquacadabra/manga-downloader
[INFO] frobbed toml for aquacadabra/manga-downloader written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aquacadabra/manga-downloader/Cargo.toml
[INFO] crate aquacadabra/manga-downloader 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aquacadabra/manga-downloader/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] testing aquacadabra/manga-downloader 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aquacadabra/manga-downloader:/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] 7a3141f3977565ec63a2f47ef4f9a8a021ec4847df1a1df3f3e0395475af067d
[INFO] running `"docker" "start" "-a" "7a3141f3977565ec63a2f47ef4f9a8a021ec4847df1a1df3f3e0395475af067d"`
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling rc v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling html5ever v0.2.11
[INFO] [stderr]    Compiling hyper v0.7.2
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling tendril v0.1.6
[INFO] [stderr]    Compiling bit-set v0.2.0
[INFO] [stderr]    Compiling select v0.2.2
[INFO] [stderr]    Compiling manga-downloader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fs::create_dir_all(path.as_path());    
[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 26.78s
[INFO] running `"docker" "inspect" "7a3141f3977565ec63a2f47ef4f9a8a021ec4847df1a1df3f3e0395475af067d"`
[INFO] running `"docker" "rm" "-f" "7a3141f3977565ec63a2f47ef4f9a8a021ec4847df1a1df3f3e0395475af067d"`
[INFO] [stdout] 7a3141f3977565ec63a2f47ef4f9a8a021ec4847df1a1df3f3e0395475af067d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aquacadabra/manga-downloader:/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] 6d79b1ce02f3ff433d5a1036f57e4d177c0a6a0a4d115eeb0dacd80c7316fa94
[INFO] running `"docker" "start" "-a" "6d79b1ce02f3ff433d5a1036f57e4d177c0a6a0a4d115eeb0dacd80c7316fa94"`
[INFO] [stderr]    Compiling manga-downloader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:27:2
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fs::create_dir_all(path.as_path());    
[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 1.13s
[INFO] running `"docker" "inspect" "6d79b1ce02f3ff433d5a1036f57e4d177c0a6a0a4d115eeb0dacd80c7316fa94"`
[INFO] running `"docker" "rm" "-f" "6d79b1ce02f3ff433d5a1036f57e4d177c0a6a0a4d115eeb0dacd80c7316fa94"`
[INFO] [stdout] 6d79b1ce02f3ff433d5a1036f57e4d177c0a6a0a4d115eeb0dacd80c7316fa94
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aquacadabra/manga-downloader:/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] 7822ad950b48406796ef8a70f0dd87b0209092d0255bc426bad680253d8f808c
[INFO] running `"docker" "start" "-a" "7822ad950b48406796ef8a70f0dd87b0209092d0255bc426bad680253d8f808c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/manga_downloader-c57d19d6799d4c8d
[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" "7822ad950b48406796ef8a70f0dd87b0209092d0255bc426bad680253d8f808c"`
[INFO] running `"docker" "rm" "-f" "7822ad950b48406796ef8a70f0dd87b0209092d0255bc426bad680253d8f808c"`
[INFO] [stdout] 7822ad950b48406796ef8a70f0dd87b0209092d0255bc426bad680253d8f808c