[INFO] crate fsort 1.0.0 is already in cache
[INFO] extracting crate fsort 1.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/fsort/1.0.0
[INFO] extracting crate fsort 1.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fsort/1.0.0
[INFO] validating manifest of fsort-1.0.0 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 fsort-1.0.0 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 fsort-1.0.0
[INFO] finished frobbing fsort-1.0.0
[INFO] frobbed toml for fsort-1.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/fsort/1.0.0/Cargo.toml
[INFO] started frobbing fsort-1.0.0
[INFO] finished frobbing fsort-1.0.0
[INFO] frobbed toml for fsort-1.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fsort/1.0.0/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 fsort-1.0.0 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/fsort/1.0.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f26acec282cc6c39aee501bd85e8abc05d49e8dd5e6cbb4ab82e7a65d2a3b3d1
[INFO] running `"docker" "start" "-a" "f26acec282cc6c39aee501bd85e8abc05d49e8dd5e6cbb4ab82e7a65d2a3b3d1"`
[INFO] [stderr]    Compiling fsort v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file_collection/dynamic_collection.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 |     collection : Box<FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static>
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "f26acec282cc6c39aee501bd85e8abc05d49e8dd5e6cbb4ab82e7a65d2a3b3d1"`
[INFO] running `"docker" "rm" "-f" "f26acec282cc6c39aee501bd85e8abc05d49e8dd5e6cbb4ab82e7a65d2a3b3d1"`
[INFO] [stdout] f26acec282cc6c39aee501bd85e8abc05d49e8dd5e6cbb4ab82e7a65d2a3b3d1
[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/fsort/1.0.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f23ddd4c73e3e27026393e2711cbe136ea866a74f2f6777955db2c6c28ff1faf
[INFO] running `"docker" "start" "-a" "f23ddd4c73e3e27026393e2711cbe136ea866a74f2f6777955db2c6c28ff1faf"`
[INFO] [stderr]    Compiling fsort v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file_collection/dynamic_collection.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 |     collection : Box<FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static>
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FileCollection<IntoIter=PathIter,Item=PathBuf> + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "f23ddd4c73e3e27026393e2711cbe136ea866a74f2f6777955db2c6c28ff1faf"`
[INFO] running `"docker" "rm" "-f" "f23ddd4c73e3e27026393e2711cbe136ea866a74f2f6777955db2c6c28ff1faf"`
[INFO] [stdout] f23ddd4c73e3e27026393e2711cbe136ea866a74f2f6777955db2c6c28ff1faf
[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/fsort/1.0.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] fbcddc4c48919ccde8bd118c1ba2eb1ac9947aad141dd7445e5787003be20d12
[INFO] running `"docker" "start" "-a" "fbcddc4c48919ccde8bd118c1ba2eb1ac9947aad141dd7445e5787003be20d12"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fsort-6fcaa505e811b16a
[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 fsort
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/file_collection/static_collection.rs - file_collection::static_collection::StaticCollection<C>::new (line 25) ... ok
[INFO] [stdout] test src/file_collection/static_collection.rs - file_collection::static_collection::StaticCollection<C>::iter (line 40) ... ok
[INFO] [stdout] test src/file_collection/dynamic_collection.rs - file_collection::dynamic_collection::DynamicCollection::new (line 17) ... ok
[INFO] [stdout] test src/file_collection/dynamic_collection.rs - file_collection::dynamic_collection::DynamicCollection::set_criterion (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fbcddc4c48919ccde8bd118c1ba2eb1ac9947aad141dd7445e5787003be20d12"`
[INFO] running `"docker" "rm" "-f" "fbcddc4c48919ccde8bd118c1ba2eb1ac9947aad141dd7445e5787003be20d12"`
[INFO] [stdout] fbcddc4c48919ccde8bd118c1ba2eb1ac9947aad141dd7445e5787003be20d12