[INFO] updating cached repository alok/img-viz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alok/img-viz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alok/img-viz" "work/ex/beta-1.37-6/sources/1.36.0/gh/alok/img-viz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/alok/img-viz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alok/img-viz" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alok/img-viz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alok/img-viz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 619700e6799eefdad3ed067727268740108272d0
[INFO] sha for GitHub repo alok/img-viz: 619700e6799eefdad3ed067727268740108272d0
[INFO] validating manifest of alok/img-viz 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 alok/img-viz 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 alok/img-viz
[INFO] finished frobbing alok/img-viz
[INFO] frobbed toml for alok/img-viz written to work/ex/beta-1.37-6/sources/1.36.0/gh/alok/img-viz/Cargo.toml
[INFO] started frobbing alok/img-viz
[INFO] finished frobbing alok/img-viz
[INFO] frobbed toml for alok/img-viz written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alok/img-viz/Cargo.toml
[INFO] crate alok/img-viz 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] testing alok/img-viz against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alok/img-viz:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 61d6f6413a4569691e53675c5d1736ffc0633c716d5053b6d078d56d1dbb96b6
[INFO] running `"docker" "start" "-a" "61d6f6413a4569691e53675c5d1736ffc0633c716d5053b6d078d56d1dbb96b6"`
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling bstr v0.1.2
[INFO] [stderr]    Compiling globset v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling img-viz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.91s
[INFO] running `"docker" "inspect" "61d6f6413a4569691e53675c5d1736ffc0633c716d5053b6d078d56d1dbb96b6"`
[INFO] running `"docker" "rm" "-f" "61d6f6413a4569691e53675c5d1736ffc0633c716d5053b6d078d56d1dbb96b6"`
[INFO] [stdout] 61d6f6413a4569691e53675c5d1736ffc0633c716d5053b6d078d56d1dbb96b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alok/img-viz:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f4cbba2246fda722bb134a24fb4d351b88ff87e5cf9136306f014681d71cae17
[INFO] running `"docker" "start" "-a" "f4cbba2246fda722bb134a24fb4d351b88ff87e5cf9136306f014681d71cae17"`
[INFO] [stderr]    Compiling img-viz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "f4cbba2246fda722bb134a24fb4d351b88ff87e5cf9136306f014681d71cae17"`
[INFO] running `"docker" "rm" "-f" "f4cbba2246fda722bb134a24fb4d351b88ff87e5cf9136306f014681d71cae17"`
[INFO] [stdout] f4cbba2246fda722bb134a24fb4d351b88ff87e5cf9136306f014681d71cae17
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alok/img-viz:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] cd33df6905f2d11bd382da389d7ccc18567f04c2f7ec950915d00fc71fedef67
[INFO] running `"docker" "start" "-a" "cd33df6905f2d11bd382da389d7ccc18567f04c2f7ec950915d00fc71fedef67"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/img_viz-a6b3cbfa262a1ec5
[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" "cd33df6905f2d11bd382da389d7ccc18567f04c2f7ec950915d00fc71fedef67"`
[INFO] running `"docker" "rm" "-f" "cd33df6905f2d11bd382da389d7ccc18567f04c2f7ec950915d00fc71fedef67"`
[INFO] [stdout] cd33df6905f2d11bd382da389d7ccc18567f04c2f7ec950915d00fc71fedef67