[INFO] updating cached repository royaltm/rust-fractx
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/royaltm/rust-fractx
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/royaltm/rust-fractx" "work/ex/beta-1.38-1/sources/1.37.0/gh/royaltm/rust-fractx"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/royaltm/rust-fractx'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/royaltm/rust-fractx" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/royaltm/rust-fractx"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/royaltm/rust-fractx'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d9f5874c07371546c9d0ce3b848986dc86bd4962
[INFO] sha for GitHub repo royaltm/rust-fractx: d9f5874c07371546c9d0ce3b848986dc86bd4962
[INFO] validating manifest of royaltm/rust-fractx 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 royaltm/rust-fractx 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 royaltm/rust-fractx
[INFO] finished frobbing royaltm/rust-fractx
[INFO] frobbed toml for royaltm/rust-fractx written to work/ex/beta-1.38-1/sources/1.37.0/gh/royaltm/rust-fractx/Cargo.toml
[INFO] started frobbing royaltm/rust-fractx
[INFO] finished frobbing royaltm/rust-fractx
[INFO] frobbed toml for royaltm/rust-fractx written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/royaltm/rust-fractx/Cargo.toml
[INFO] crate royaltm/rust-fractx 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/royaltm/rust-fractx/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 royaltm/rust-fractx 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/royaltm/rust-fractx:/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] 87ab6ed74c17ab64245a1c96e24e20fb65d88d4981f6c8c07b11c9c5ddc5d1d6
[INFO] running `"docker" "start" "-a" "87ab6ed74c17ab64245a1c96e24e20fb65d88d4981f6c8c07b11c9c5ddc5d1d6"`
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.2
[INFO] [stderr]    Compiling fractx v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.70s
[INFO] running `"docker" "inspect" "87ab6ed74c17ab64245a1c96e24e20fb65d88d4981f6c8c07b11c9c5ddc5d1d6"`
[INFO] running `"docker" "rm" "-f" "87ab6ed74c17ab64245a1c96e24e20fb65d88d4981f6c8c07b11c9c5ddc5d1d6"`
[INFO] [stdout] 87ab6ed74c17ab64245a1c96e24e20fb65d88d4981f6c8c07b11c9c5ddc5d1d6
[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/royaltm/rust-fractx:/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] de478955b932220d91c21e3e43056e3934ae92562f3f78320fa6185122bba54a
[INFO] running `"docker" "start" "-a" "de478955b932220d91c21e3e43056e3934ae92562f3f78320fa6185122bba54a"`
[INFO] [stderr]    Compiling fractx v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "de478955b932220d91c21e3e43056e3934ae92562f3f78320fa6185122bba54a"`
[INFO] running `"docker" "rm" "-f" "de478955b932220d91c21e3e43056e3934ae92562f3f78320fa6185122bba54a"`
[INFO] [stdout] de478955b932220d91c21e3e43056e3934ae92562f3f78320fa6185122bba54a
[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/royaltm/rust-fractx:/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] e32b1e9cf00390f57fa119dda3268192bbfdb569b0b006cf715366e73e789af2
[INFO] running `"docker" "start" "-a" "e32b1e9cf00390f57fa119dda3268192bbfdb569b0b006cf715366e73e789af2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fractx-2f6f1bbf74cbd6df
[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]    Doc-tests fractx
[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" "e32b1e9cf00390f57fa119dda3268192bbfdb569b0b006cf715366e73e789af2"`
[INFO] running `"docker" "rm" "-f" "e32b1e9cf00390f57fa119dda3268192bbfdb569b0b006cf715366e73e789af2"`
[INFO] [stdout] e32b1e9cf00390f57fa119dda3268192bbfdb569b0b006cf715366e73e789af2