[INFO] crate fsort 1.0.0 is already in cache
[INFO] extracting crate fsort 1.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/fsort/1.0.0
[INFO] extracting crate fsort 1.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fsort/1.0.0
[INFO] validating manifest of fsort-1.0.0 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 fsort-1.0.0 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 fsort-1.0.0
[INFO] finished frobbing fsort-1.0.0
[INFO] frobbed toml for fsort-1.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/fsort/1.0.0/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 fsort-1.0.0 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-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] da0e9bfe112119c084711d4104c6f102329764d84f9a6b89c5860c730c44ca95
[INFO] running `"docker" "start" "-a" "da0e9bfe112119c084711d4104c6f102329764d84f9a6b89c5860c730c44ca95"`
[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 0.45s
[INFO] running `"docker" "inspect" "da0e9bfe112119c084711d4104c6f102329764d84f9a6b89c5860c730c44ca95"`
[INFO] running `"docker" "rm" "-f" "da0e9bfe112119c084711d4104c6f102329764d84f9a6b89c5860c730c44ca95"`
[INFO] [stdout] da0e9bfe112119c084711d4104c6f102329764d84f9a6b89c5860c730c44ca95
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d552b355c1f35d9098a2287c6004c825ae6dc514a8f45b6cd2c0977d0d1ed078
[INFO] running `"docker" "start" "-a" "d552b355c1f35d9098a2287c6004c825ae6dc514a8f45b6cd2c0977d0d1ed078"`
[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 0.82s
[INFO] running `"docker" "inspect" "d552b355c1f35d9098a2287c6004c825ae6dc514a8f45b6cd2c0977d0d1ed078"`
[INFO] running `"docker" "rm" "-f" "d552b355c1f35d9098a2287c6004c825ae6dc514a8f45b6cd2c0977d0d1ed078"`
[INFO] [stdout] d552b355c1f35d9098a2287c6004c825ae6dc514a8f45b6cd2c0977d0d1ed078
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 9bc98862fc695e432ced6e0794db5dc1e8b79367094991fc8159c2677b1b1c2f
[INFO] running `"docker" "start" "-a" "9bc98862fc695e432ced6e0794db5dc1e8b79367094991fc8159c2677b1b1c2f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fsort-121cd605be518850
[INFO] [stderr]    Doc-tests fsort
[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] [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" "9bc98862fc695e432ced6e0794db5dc1e8b79367094991fc8159c2677b1b1c2f"`
[INFO] running `"docker" "rm" "-f" "9bc98862fc695e432ced6e0794db5dc1e8b79367094991fc8159c2677b1b1c2f"`
[INFO] [stdout] 9bc98862fc695e432ced6e0794db5dc1e8b79367094991fc8159c2677b1b1c2f