[INFO] crate serde_fs 0.2.0 is already in cache
[INFO] extracting crate serde_fs 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/serde_fs/0.2.0
[INFO] extracting crate serde_fs 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/serde_fs/0.2.0
[INFO] validating manifest of serde_fs-0.2.0 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 serde_fs-0.2.0 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 serde_fs-0.2.0
[INFO] finished frobbing serde_fs-0.2.0
[INFO] frobbed toml for serde_fs-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/serde_fs/0.2.0/Cargo.toml
[INFO] started frobbing serde_fs-0.2.0
[INFO] finished frobbing serde_fs-0.2.0
[INFO] frobbed toml for serde_fs-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/serde_fs/0.2.0/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 serde_fs-0.2.0 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/serde_fs/0.2.0:/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] 5cb3e3ef00e3ce49b210966b3bbedd309de1812608631c2efafb2e089e6d28ef
[INFO] running `"docker" "start" "-a" "5cb3e3ef00e3ce49b210966b3bbedd309de1812608631c2efafb2e089e6d28ef"`
[INFO] [stderr]    Compiling serde_fs v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/de.rs:323:14
[INFO] [stderr]     |
[INFO] [stderr] 323 |     dir: Box<Iterator<Item = Result<String, io::Error>>>,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String, io::Error>>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "5cb3e3ef00e3ce49b210966b3bbedd309de1812608631c2efafb2e089e6d28ef"`
[INFO] running `"docker" "rm" "-f" "5cb3e3ef00e3ce49b210966b3bbedd309de1812608631c2efafb2e089e6d28ef"`
[INFO] [stdout] 5cb3e3ef00e3ce49b210966b3bbedd309de1812608631c2efafb2e089e6d28ef
[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/serde_fs/0.2.0:/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] cc19878410e651c16e6da5f95d6167e3019be13463c5fee034289280bcafa672
[INFO] running `"docker" "start" "-a" "cc19878410e651c16e6da5f95d6167e3019be13463c5fee034289280bcafa672"`
[INFO] [stderr]    Compiling serde_bytes v0.10.5
[INFO] [stderr]    Compiling serde_fs v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/de.rs:323:14
[INFO] [stderr]     |
[INFO] [stderr] 323 |     dir: Box<Iterator<Item = Result<String, io::Error>>>,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String, io::Error>>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.54s
[INFO] running `"docker" "inspect" "cc19878410e651c16e6da5f95d6167e3019be13463c5fee034289280bcafa672"`
[INFO] running `"docker" "rm" "-f" "cc19878410e651c16e6da5f95d6167e3019be13463c5fee034289280bcafa672"`
[INFO] [stdout] cc19878410e651c16e6da5f95d6167e3019be13463c5fee034289280bcafa672
[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/serde_fs/0.2.0:/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] ccecf6266babd6059b999c342bf0652988b4bdfc9420c3eec0d1bd95f622b5d3
[INFO] running `"docker" "start" "-a" "ccecf6266babd6059b999c342bf0652988b4bdfc9420c3eec0d1bd95f622b5d3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_fs-037ce6f19090f130
[INFO] [stdout] running 66 tests
[INFO] [stdout] test de::tests::bytes ... ok
[INFO] [stdout] test de::tests::char ... ok
[INFO] [stdout] test de::tests::char_empty ... ok
[INFO] [stdout] test de::tests::map ... ok
[INFO] [stdout] test de::tests::boolean ... ok
[INFO] [stdout] test de::tests::boolean_extra_space ... ok
[INFO] [stdout] test de::tests::newtype_variant ... ok
[INFO] [stdout] test de::tests::seq ... ok
[INFO] [stdout] test de::tests::option ... ok
[INFO] [stdout] test de::tests::newtype_tuple_variant ... ok
[INFO] [stdout] test de::tests::seq_complex_elem ... ok
[INFO] [stdout] test de::tests::struct_variant ... ok
[INFO] [stdout] test de::tests::newtype_struct ... ok
[INFO] [stdout] test de::tests::string ... ok
[INFO] [stdout] test de::tests::struct_variant_tag_content ... ok
[INFO] [stdout] test de::tests::structure_extra ... ok
[INFO] [stdout] test de::tests::structure ... ok
[INFO] [stdout] test de::tests::tuple ... ok
[INFO] [stdout] test de::tests::struct_variant_tag_internal ... ok
[INFO] [stdout] test de::tests::tuple_struct ... ok
[INFO] [stdout] test de::tests::numbers ... ok
[INFO] [stdout] test de::tests::numbers_extra_space ... ok
[INFO] [stdout] test de::tests::tuple_newtype_variant_tag ... ok
[INFO] [stdout] test de::tests::tuple_size_mismatch ... ok
[INFO] [stdout] test de::tests::tuple_struct_size_mismatch ... ok
[INFO] [stdout] test de::tests::tuple_newtype_variant ... ok
[INFO] [stdout] test de::tests::tuple_variant ... ok
[INFO] [stdout] test de::tests::tuple_type_mismatch ... ok
[INFO] [stdout] test de::tests::unit_struct ... ok
[INFO] [stdout] test de::tests::tuple_struct_type_mismatch ... ok
[INFO] [stdout] test de::tests::unit_not_found ... ok
[INFO] [stdout] test ser::tests::map ... ok
[INFO] [stdout] test ser::tests::char ... ok
[INFO] [stdout] test de::tests::unit_wrong_variant ... ok
[INFO] [stdout] test ser::tests::map_keep_aux_files ... ok
[INFO] [stdout] test ser::tests::map_invalid_key ... ok
[INFO] [stdout] test de::tests::unit ... ok
[INFO] [stdout] test de::tests::unit_variant ... ok
[INFO] [stdout] test ser::tests::bytes ... ok
[INFO] [stdout] test ser::tests::map_extra ... ok
[INFO] [stdout] test ser::tests::boolean ... ok
[INFO] [stdout] test ser::tests::newtype_variant ... ok
[INFO] [stdout] test ser::tests::seq_keep_aux_files ... ok
[INFO] [stdout] test ser::tests::newtype_tuple_variant ... ok
[INFO] [stdout] test ser::tests::newtype_struct ... ok
[INFO] [stdout] test ser::tests::seq ... ok
[INFO] [stdout] test ser::tests::seq_empty ... ok
[INFO] [stdout] test ser::tests::option ... ok
[INFO] [stdout] test ser::tests::seq_shrink ... ok
[INFO] [stdout] test ser::tests::string ... ok
[INFO] [stdout] test ser::tests::struct_variant_tag_content ... ok
[INFO] [stdout] test ser::tests::struct_variant ... ok
[INFO] [stdout] test ser::tests::struct_variant_tag ... ok
[INFO] [stdout] test ser::tests::structure ... ok
[INFO] [stdout] test ser::tests::tuple_newtype_variant ... ok
[INFO] [stdout] test ser::tests::tuple ... ok
[INFO] [stdout] test ser::tests::tuple_variant ... ok
[INFO] [stdout] test ser::tests::tuple_newtype_variant_keep_aux_files ... ok
[INFO] [stdout] test ser::tests::tuple_struct ... ok
[INFO] [stdout] test ser::tests::structure_keep_aux_files ... ok
[INFO] [stdout] test ser::tests::tuple_newtype_variant_tag ... ok
[INFO] [stdout] test ser::tests::unit ... ok
[INFO] [stdout] test ser::tests::unit_variant ... ok
[INFO] [stdout] test ser::tests::unit_struct ... ok
[INFO] [stdout] test ser::tests::numbers ... ok
[INFO] [stdout] test de::tests::struct_variant_tag ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 66 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_fs
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - from_fs (line 56) ... ok
[INFO] [stdout] test src/lib.rs - to_fs (line 22) ... ok
[INFO] [stdout] test src/lib.rs - from_fs_in_place (line 85) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ccecf6266babd6059b999c342bf0652988b4bdfc9420c3eec0d1bd95f622b5d3"`
[INFO] running `"docker" "rm" "-f" "ccecf6266babd6059b999c342bf0652988b4bdfc9420c3eec0d1bd95f622b5d3"`
[INFO] [stdout] ccecf6266babd6059b999c342bf0652988b4bdfc9420c3eec0d1bd95f622b5d3