[INFO] crate struct-diff 0.2.3 is already in cache
[INFO] extracting crate struct-diff 0.2.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/struct-diff/0.2.3
[INFO] extracting crate struct-diff 0.2.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/struct-diff/0.2.3
[INFO] validating manifest of struct-diff-0.2.3 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 struct-diff-0.2.3 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 struct-diff-0.2.3
[INFO] finished frobbing struct-diff-0.2.3
[INFO] frobbed toml for struct-diff-0.2.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/struct-diff/0.2.3/Cargo.toml
[INFO] started frobbing struct-diff-0.2.3
[INFO] finished frobbing struct-diff-0.2.3
[INFO] frobbed toml for struct-diff-0.2.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/struct-diff/0.2.3/Cargo.toml
[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 struct-diff-0.2.3 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-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/struct-diff/0.2.3:/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] a424073aa4aa6a284f082b169e72ab17384ac78891a8bf3fa43757d89af6a8e7
[INFO] running `"docker" "start" "-a" "a424073aa4aa6a284f082b169e72ab17384ac78891a8bf3fa43757d89af6a8e7"`
[INFO] [stderr]    Compiling struct-diff v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub left: &'a Debug,
[INFO] [stderr]    |                   ^^^^^ help: use `dyn`: `dyn Debug`
[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/lib.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub right: &'a Debug,
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "a424073aa4aa6a284f082b169e72ab17384ac78891a8bf3fa43757d89af6a8e7"`
[INFO] running `"docker" "rm" "-f" "a424073aa4aa6a284f082b169e72ab17384ac78891a8bf3fa43757d89af6a8e7"`
[INFO] [stdout] a424073aa4aa6a284f082b169e72ab17384ac78891a8bf3fa43757d89af6a8e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/struct-diff/0.2.3:/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] ea747e1c52c7c7a01887ff99d4030641c906672c7c922a07b2e80a09c7ff176b
[INFO] running `"docker" "start" "-a" "ea747e1c52c7c7a01887ff99d4030641c906672c7c922a07b2e80a09c7ff176b"`
[INFO] [stderr]    Compiling struct-diff v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub left: &'a Debug,
[INFO] [stderr]    |                   ^^^^^ help: use `dyn`: `dyn Debug`
[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/lib.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub right: &'a Debug,
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "ea747e1c52c7c7a01887ff99d4030641c906672c7c922a07b2e80a09c7ff176b"`
[INFO] running `"docker" "rm" "-f" "ea747e1c52c7c7a01887ff99d4030641c906672c7c922a07b2e80a09c7ff176b"`
[INFO] [stdout] ea747e1c52c7c7a01887ff99d4030641c906672c7c922a07b2e80a09c7ff176b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/struct-diff/0.2.3:/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] 9610b82e04d1d15fe8dfeca051098b2a668fcb71a7c37eb0eb9403241d7bc657
[INFO] running `"docker" "start" "-a" "9610b82e04d1d15fe8dfeca051098b2a668fcb71a7c37eb0eb9403241d7bc657"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/struct_diff-34cc791fe05180aa
[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 struct-diff
[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" "9610b82e04d1d15fe8dfeca051098b2a668fcb71a7c37eb0eb9403241d7bc657"`
[INFO] running `"docker" "rm" "-f" "9610b82e04d1d15fe8dfeca051098b2a668fcb71a7c37eb0eb9403241d7bc657"`
[INFO] [stdout] 9610b82e04d1d15fe8dfeca051098b2a668fcb71a7c37eb0eb9403241d7bc657