[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-1.38-1/sources/1.37.0/gh/alok/img-viz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alok/img-viz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alok/img-viz" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alok/img-viz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alok/img-viz 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 alok/img-viz
[INFO] finished frobbing alok/img-viz
[INFO] frobbed toml for alok/img-viz written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 alok/img-viz against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 597dc7a23d633aebcba3aa2d1abd4fb016083306f83c07376236dee7d995393b
[INFO] running `"docker" "start" "-a" "597dc7a23d633aebcba3aa2d1abd4fb016083306f83c07376236dee7d995393b"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling bstr v0.1.2
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling globset v0.4.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling clap v2.33.0
[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 38.15s
[INFO] running `"docker" "inspect" "597dc7a23d633aebcba3aa2d1abd4fb016083306f83c07376236dee7d995393b"`
[INFO] running `"docker" "rm" "-f" "597dc7a23d633aebcba3aa2d1abd4fb016083306f83c07376236dee7d995393b"`
[INFO] [stdout] 597dc7a23d633aebcba3aa2d1abd4fb016083306f83c07376236dee7d995393b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] aac2b03e2becaeaf511888a6762883cdffe08f7022ffa536a501531c75987d03
[INFO] running `"docker" "start" "-a" "aac2b03e2becaeaf511888a6762883cdffe08f7022ffa536a501531c75987d03"`
[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 0.92s
[INFO] running `"docker" "inspect" "aac2b03e2becaeaf511888a6762883cdffe08f7022ffa536a501531c75987d03"`
[INFO] running `"docker" "rm" "-f" "aac2b03e2becaeaf511888a6762883cdffe08f7022ffa536a501531c75987d03"`
[INFO] [stdout] aac2b03e2becaeaf511888a6762883cdffe08f7022ffa536a501531c75987d03
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] da669923194d75d3dc5c83981e3d671e6ae9dc357ede5d10b5c4c4a9078b5510
[INFO] running `"docker" "start" "-a" "da669923194d75d3dc5c83981e3d671e6ae9dc357ede5d10b5c4c4a9078b5510"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/img_viz-1448564100b835dd
[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" "da669923194d75d3dc5c83981e3d671e6ae9dc357ede5d10b5c4c4a9078b5510"`
[INFO] running `"docker" "rm" "-f" "da669923194d75d3dc5c83981e3d671e6ae9dc357ede5d10b5c4c4a9078b5510"`
[INFO] [stdout] da669923194d75d3dc5c83981e3d671e6ae9dc357ede5d10b5c4c4a9078b5510