[INFO] crate linestream 0.1.0 is already in cache
[INFO] extracting crate linestream 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/linestream/0.1.0
[INFO] extracting crate linestream 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/linestream/0.1.0
[INFO] validating manifest of linestream-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 linestream-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 linestream-0.1.0
[INFO] finished frobbing linestream-0.1.0
[INFO] frobbed toml for linestream-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/linestream/0.1.0/Cargo.toml
[INFO] started frobbing linestream-0.1.0
[INFO] finished frobbing linestream-0.1.0
[INFO] frobbed toml for linestream-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/linestream/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 linestream-0.1.0 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-2/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/linestream/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c554d22e10005bd2c0906b17dc2dd6a2f7f124a663ac4b36b2f785a3d9a42805
[INFO] running `"docker" "start" "-a" "c554d22e10005bd2c0906b17dc2dd6a2f7f124a663ac4b36b2f785a3d9a42805"`
[INFO] [stderr]    Compiling linestream v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 |     stream: BufReader<Box<Read>>,
[INFO] [stderr]    |                           ^^^^ help: use `dyn`: `dyn Read`
[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:140:24
[INFO] [stderr]     |
[INFO] [stderr] 140 |     stream: BufWriter<Box<Write>>,
[INFO] [stderr]     |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "c554d22e10005bd2c0906b17dc2dd6a2f7f124a663ac4b36b2f785a3d9a42805"`
[INFO] running `"docker" "rm" "-f" "c554d22e10005bd2c0906b17dc2dd6a2f7f124a663ac4b36b2f785a3d9a42805"`
[INFO] [stdout] c554d22e10005bd2c0906b17dc2dd6a2f7f124a663ac4b36b2f785a3d9a42805
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/linestream/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d2d7a7937abc01e32f581b7a67ffa0c6813a44894dff8907f72e0169a91b5ab3
[INFO] running `"docker" "start" "-a" "d2d7a7937abc01e32f581b7a67ffa0c6813a44894dff8907f72e0169a91b5ab3"`
[INFO] [stderr]    Compiling linestream v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 |     stream: BufReader<Box<Read>>,
[INFO] [stderr]    |                           ^^^^ help: use `dyn`: `dyn Read`
[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:140:24
[INFO] [stderr]     |
[INFO] [stderr] 140 |     stream: BufWriter<Box<Write>>,
[INFO] [stderr]     |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "d2d7a7937abc01e32f581b7a67ffa0c6813a44894dff8907f72e0169a91b5ab3"`
[INFO] running `"docker" "rm" "-f" "d2d7a7937abc01e32f581b7a67ffa0c6813a44894dff8907f72e0169a91b5ab3"`
[INFO] [stdout] d2d7a7937abc01e32f581b7a67ffa0c6813a44894dff8907f72e0169a91b5ab3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/linestream/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d97248c209ace05a7bfc3f8deb42e9492fec2bd9a0b21f555d65f53e8e187ffa
[INFO] running `"docker" "start" "-a" "d97248c209ace05a7bfc3f8deb42e9492fec2bd9a0b21f555d65f53e8e187ffa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/linestream-ffdf336d39dcee53
[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 linestream
[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" "d97248c209ace05a7bfc3f8deb42e9492fec2bd9a0b21f555d65f53e8e187ffa"`
[INFO] running `"docker" "rm" "-f" "d97248c209ace05a7bfc3f8deb42e9492fec2bd9a0b21f555d65f53e8e187ffa"`
[INFO] [stdout] d97248c209ace05a7bfc3f8deb42e9492fec2bd9a0b21f555d65f53e8e187ffa