[INFO] crate bytes-expand 0.4.12 is already in cache
[INFO] extracting crate bytes-expand 0.4.12 into work/ex/beta-1.38-1/sources/1.37.0/reg/bytes-expand/0.4.12
[INFO] extracting crate bytes-expand 0.4.12 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bytes-expand/0.4.12
[INFO] validating manifest of bytes-expand-0.4.12 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 bytes-expand-0.4.12 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 bytes-expand-0.4.12
[INFO] finished frobbing bytes-expand-0.4.12
[INFO] frobbed toml for bytes-expand-0.4.12 written to work/ex/beta-1.38-1/sources/1.37.0/reg/bytes-expand/0.4.12/Cargo.toml
[INFO] started frobbing bytes-expand-0.4.12
[INFO] finished frobbing bytes-expand-0.4.12
[INFO] frobbed toml for bytes-expand-0.4.12 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bytes-expand/0.4.12/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 bytes-expand-0.4.12 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-6/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/bytes-expand/0.4.12:/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] c06316c079a8fd211e85efae4f03aaf93b638b1532bf7b54fab50ab6a85bb424
[INFO] running `"docker" "start" "-a" "c06316c079a8fd211e85efae4f03aaf93b638b1532bf7b54fab50ab6a85bb424"`
[INFO] [stderr]    Compiling bytes-expand v0.4.12 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/buf/buf.rs:1154:30
[INFO] [stderr]      |
[INFO] [stderr] 1154 | fn _assert_trait_object(_b: &Buf) {}
[INFO] [stderr]      |                              ^^^ help: use `dyn`: `dyn Buf`
[INFO] [stderr]      |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]     --> src/lib.rs:71:9
[INFO] [stderr]      |
[INFO] [stderr] 71   | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stderr]      |         ^^^^^^^^
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/buf/buf_mut.rs:1167:30
[INFO] [stderr]      |
[INFO] [stderr] 1167 | fn _assert_trait_object(_b: &BufMut) {}
[INFO] [stderr]      |                              ^^^^^^ help: use `dyn`: `dyn BufMut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "c06316c079a8fd211e85efae4f03aaf93b638b1532bf7b54fab50ab6a85bb424"`
[INFO] running `"docker" "rm" "-f" "c06316c079a8fd211e85efae4f03aaf93b638b1532bf7b54fab50ab6a85bb424"`
[INFO] [stdout] c06316c079a8fd211e85efae4f03aaf93b638b1532bf7b54fab50ab6a85bb424
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/bytes-expand/0.4.12:/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] 055c975e7f0e77543d4f089180759b6e42c8ca4951e1c9c7c7a4b61f97727792
[INFO] running `"docker" "start" "-a" "055c975e7f0e77543d4f089180759b6e42c8ca4951e1c9c7c7a4b61f97727792"`
[INFO] [stderr]    Compiling bytes-expand v0.4.12 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `bytes`
[INFO] [stderr]  --> tests/test_buf.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate bytes;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `bytes-expand`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `bytes`
[INFO] [stderr]  --> tests/test_take.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate bytes;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `bytes-expand`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `bytes`
[INFO] [stderr]  --> tests/test_bytes.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate bytes;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `bytes-expand`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `bytes`
[INFO] [stderr]  --> tests/test_iter.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate bytes;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `bytes-expand`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `bytes`
[INFO] [stderr]  --> tests/test_chain.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate bytes;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error[E0463]: can't find crate for `bytes`
[INFO] [stderr]  --> tests/test_from_buf.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate bytes;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `bytes-expand`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `bytes-expand`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/buf/buf.rs:1154:30
[INFO] [stderr]      |
[INFO] [stderr] 1154 | fn _assert_trait_object(_b: &Buf) {}
[INFO] [stderr]      |                              ^^^ help: use `dyn`: `dyn Buf`
[INFO] [stderr]      |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]     --> src/lib.rs:71:9
[INFO] [stderr]      |
[INFO] [stderr] 71   | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stderr]      |         ^^^^^^^^
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/buf/buf_mut.rs:1167:30
[INFO] [stderr]      |
[INFO] [stderr] 1167 | fn _assert_trait_object(_b: &BufMut) {}
[INFO] [stderr]      |                              ^^^^^^ help: use `dyn`: `dyn BufMut`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "055c975e7f0e77543d4f089180759b6e42c8ca4951e1c9c7c7a4b61f97727792"`
[INFO] running `"docker" "rm" "-f" "055c975e7f0e77543d4f089180759b6e42c8ca4951e1c9c7c7a4b61f97727792"`
[INFO] [stdout] 055c975e7f0e77543d4f089180759b6e42c8ca4951e1c9c7c7a4b61f97727792