[INFO] crate reader-writer 0.0.2 is already in cache
[INFO] extracting crate reader-writer 0.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/reader-writer/0.0.2
[INFO] extracting crate reader-writer 0.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/reader-writer/0.0.2
[INFO] validating manifest of reader-writer-0.0.2 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 reader-writer-0.0.2 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 reader-writer-0.0.2
[INFO] finished frobbing reader-writer-0.0.2
[INFO] frobbed toml for reader-writer-0.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/reader-writer/0.0.2/Cargo.toml
[INFO] started frobbing reader-writer-0.0.2
[INFO] finished frobbing reader-writer-0.0.2
[INFO] frobbed toml for reader-writer-0.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/reader-writer/0.0.2/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 reader-writer-0.0.2 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-2/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/reader-writer/0.0.2:/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] ca88c2f11403db86b08f8ad0774c6a6a74ad05d0168ad0f2ec74553a8abc58b9
[INFO] running `"docker" "start" "-a" "ca88c2f11403db86b08f8ad0774c6a6a74ad05d0168ad0f2ec74553a8abc58b9"`
[INFO] [stderr]    Compiling reader-writer v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reader.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 |     read: &'a mut 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/reader.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(read: &'a mut Read) -> BasicReader {
[INFO] [stderr]    |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writer.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |     write: &'a mut Write
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writer.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn new(write: &mut Write) -> BasicWriter {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "ca88c2f11403db86b08f8ad0774c6a6a74ad05d0168ad0f2ec74553a8abc58b9"`
[INFO] running `"docker" "rm" "-f" "ca88c2f11403db86b08f8ad0774c6a6a74ad05d0168ad0f2ec74553a8abc58b9"`
[INFO] [stdout] ca88c2f11403db86b08f8ad0774c6a6a74ad05d0168ad0f2ec74553a8abc58b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/reader-writer/0.0.2:/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] 7aab138dce6848c95966f56e9696bc3e8644e25d4084575c06e6b42de2350f08
[INFO] running `"docker" "start" "-a" "7aab138dce6848c95966f56e9696bc3e8644e25d4084575c06e6b42de2350f08"`
[INFO] [stderr]    Compiling reader-writer v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reader.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 |     read: &'a mut 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/reader.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(read: &'a mut Read) -> BasicReader {
[INFO] [stderr]    |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writer.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |     write: &'a mut Write
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writer.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn new(write: &mut Write) -> BasicWriter {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "7aab138dce6848c95966f56e9696bc3e8644e25d4084575c06e6b42de2350f08"`
[INFO] running `"docker" "rm" "-f" "7aab138dce6848c95966f56e9696bc3e8644e25d4084575c06e6b42de2350f08"`
[INFO] [stdout] 7aab138dce6848c95966f56e9696bc3e8644e25d4084575c06e6b42de2350f08
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/reader-writer/0.0.2:/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] 2f4625734dccf09c286934a8c042621d50f79c1b51cf5be47e87b343410b5cd5
[INFO] running `"docker" "start" "-a" "2f4625734dccf09c286934a8c042621d50f79c1b51cf5be47e87b343410b5cd5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reader_writer-cb0bc2b717fe4c8a
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::count_u32_four_bytes ... ok
[INFO] [stdout] test tests::count_u16_two_bytes ... ok
[INFO] [stdout] test tests::count_string ... ok
[INFO] [stdout] test tests::count_str ... ok
[INFO] [stdout] test tests::can_write_and_read ... ok
[INFO] [stdout] test tests::count_bytes ... ok
[INFO] [stdout] test tests::count_u64_eight_bytes ... ok
[INFO] [stdout] test tests::count_u8_one_byte ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reader-writer
[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" "2f4625734dccf09c286934a8c042621d50f79c1b51cf5be47e87b343410b5cd5"`
[INFO] running `"docker" "rm" "-f" "2f4625734dccf09c286934a8c042621d50f79c1b51cf5be47e87b343410b5cd5"`
[INFO] [stdout] 2f4625734dccf09c286934a8c042621d50f79c1b51cf5be47e87b343410b5cd5