[INFO] crate read_transform 0.1.0 is already in cache
[INFO] extracting crate read_transform 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/read_transform/0.1.0
[INFO] extracting crate read_transform 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/read_transform/0.1.0
[INFO] validating manifest of read_transform-0.1.0 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 read_transform-0.1.0 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 read_transform-0.1.0
[INFO] finished frobbing read_transform-0.1.0
[INFO] frobbed toml for read_transform-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/read_transform/0.1.0/Cargo.toml
[INFO] started frobbing read_transform-0.1.0
[INFO] finished frobbing read_transform-0.1.0
[INFO] frobbed toml for read_transform-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/read_transform/0.1.0/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 read_transform-0.1.0 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/read_transform/0.1.0:/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] af5a1d8a9f0bfbaccd6bcf30267b49bba07a1cebdd3eeb8e4d5f272af544ebf9
[INFO] running `"docker" "start" "-a" "af5a1d8a9f0bfbaccd6bcf30267b49bba07a1cebdd3eeb8e4d5f272af544ebf9"`
[INFO] [stderr]    Compiling read_transform v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:28
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub type TransformFn = Box<FnMut(&mut [u8], usize, bool) -> Option<(Vec<u8>, usize)>>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut [u8], usize, bool) -> Option<(Vec<u8>, usize)>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "af5a1d8a9f0bfbaccd6bcf30267b49bba07a1cebdd3eeb8e4d5f272af544ebf9"`
[INFO] running `"docker" "rm" "-f" "af5a1d8a9f0bfbaccd6bcf30267b49bba07a1cebdd3eeb8e4d5f272af544ebf9"`
[INFO] [stdout] af5a1d8a9f0bfbaccd6bcf30267b49bba07a1cebdd3eeb8e4d5f272af544ebf9
[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/read_transform/0.1.0:/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] 432362faf3aea9051e6d4f5939a4903f7270c5fa7026e004db0566be7904c3a0
[INFO] running `"docker" "start" "-a" "432362faf3aea9051e6d4f5939a4903f7270c5fa7026e004db0566be7904c3a0"`
[INFO] [stderr]    Compiling read_transform v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:28
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub type TransformFn = Box<FnMut(&mut [u8], usize, bool) -> Option<(Vec<u8>, usize)>>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut [u8], usize, bool) -> Option<(Vec<u8>, usize)>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "432362faf3aea9051e6d4f5939a4903f7270c5fa7026e004db0566be7904c3a0"`
[INFO] running `"docker" "rm" "-f" "432362faf3aea9051e6d4f5939a4903f7270c5fa7026e004db0566be7904c3a0"`
[INFO] [stdout] 432362faf3aea9051e6d4f5939a4903f7270c5fa7026e004db0566be7904c3a0
[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/read_transform/0.1.0:/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] ef13a8a77e8d7b2d397d0ae4e5e05d04e079dbc42debf73ef9b7d00e518f8e49
[INFO] running `"docker" "start" "-a" "ef13a8a77e8d7b2d397d0ae4e5e05d04e079dbc42debf73ef9b7d00e518f8e49"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/read_transform-eee9a8ff005b96ff
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test read_transformer_tests::combined_test ... ok
[INFO] [stdout] test read_transformer_tests::closure_test ... ok
[INFO] [stdout] test read_transformer_tests::reverse_test ... ok
[INFO] [stdout] test read_transformer_tests::transformable_read_mut_test ... ok
[INFO] [stdout] test read_transformer_tests::transformable_read_test ... ok
[INFO] [stdout] test read_transformer_tests::even_zeroed_test ... ok
[INFO] [stdout] test read_transformer_tests::filter_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests read_transform
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 7) ... ignored
[INFO] [stdout] test src/lib.rs - TransformableRead (line 135) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ef13a8a77e8d7b2d397d0ae4e5e05d04e079dbc42debf73ef9b7d00e518f8e49"`
[INFO] running `"docker" "rm" "-f" "ef13a8a77e8d7b2d397d0ae4e5e05d04e079dbc42debf73ef9b7d00e518f8e49"`
[INFO] [stdout] ef13a8a77e8d7b2d397d0ae4e5e05d04e079dbc42debf73ef9b7d00e518f8e49