[INFO] crate bump 0.0.0 is already in cache
[INFO] extracting crate bump 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/bump/0.0.0
[INFO] extracting crate bump 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bump/0.0.0
[INFO] validating manifest of bump-0.0.0 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 bump-0.0.0 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 bump-0.0.0
[INFO] finished frobbing bump-0.0.0
[INFO] frobbed toml for bump-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/bump/0.0.0/Cargo.toml
[INFO] started frobbing bump-0.0.0
[INFO] finished frobbing bump-0.0.0
[INFO] frobbed toml for bump-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bump/0.0.0/Cargo.toml
[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 bump-0.0.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bump/0.0.0:/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] 08d9ca8c0b891e9be2579bc5483919456972be28d975342ca20204020faf0259
[INFO] running `"docker" "start" "-a" "08d9ca8c0b891e9be2579bc5483919456972be28d975342ca20204020faf0259"`
[INFO] [stderr]    Compiling filesystem v0.4.4
[INFO] [stderr]    Compiling bump v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/project/package_manager.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | ) -> &'a PackageManager {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PackageManager`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/project/project.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     package_manager: &'a PackageManager,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PackageManager`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `"docker" "inspect" "08d9ca8c0b891e9be2579bc5483919456972be28d975342ca20204020faf0259"`
[INFO] running `"docker" "rm" "-f" "08d9ca8c0b891e9be2579bc5483919456972be28d975342ca20204020faf0259"`
[INFO] [stdout] 08d9ca8c0b891e9be2579bc5483919456972be28d975342ca20204020faf0259
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bump/0.0.0:/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] 3ba4183bbee60a78d606a5c1bb1b9fcaeb3d1a5163d7372bf6e7feeed1db13f8
[INFO] running `"docker" "start" "-a" "3ba4183bbee60a78d606a5c1bb1b9fcaeb3d1a5163d7372bf6e7feeed1db13f8"`
[INFO] [stderr]    Compiling bump v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/project/package_manager.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | ) -> &'a PackageManager {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PackageManager`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/project/project.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     package_manager: &'a PackageManager,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PackageManager`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "3ba4183bbee60a78d606a5c1bb1b9fcaeb3d1a5163d7372bf6e7feeed1db13f8"`
[INFO] running `"docker" "rm" "-f" "3ba4183bbee60a78d606a5c1bb1b9fcaeb3d1a5163d7372bf6e7feeed1db13f8"`
[INFO] [stdout] 3ba4183bbee60a78d606a5c1bb1b9fcaeb3d1a5163d7372bf6e7feeed1db13f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bump/0.0.0:/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] 7e7b81f0a285c14d99401716c02c33a2370ab452014c2e5722cbb9fccca7127a
[INFO] running `"docker" "start" "-a" "7e7b81f0a285c14d99401716c02c33a2370ab452014c2e5722cbb9fccca7127a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bump-d0696c98661c29b9
[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" "7e7b81f0a285c14d99401716c02c33a2370ab452014c2e5722cbb9fccca7127a"`
[INFO] running `"docker" "rm" "-f" "7e7b81f0a285c14d99401716c02c33a2370ab452014c2e5722cbb9fccca7127a"`
[INFO] [stdout] 7e7b81f0a285c14d99401716c02c33a2370ab452014c2e5722cbb9fccca7127a