[INFO] crate mli 0.10.0 is already in cache
[INFO] extracting crate mli 0.10.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mli/0.10.0
[INFO] extracting crate mli 0.10.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mli/0.10.0
[INFO] validating manifest of mli-0.10.0 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 mli-0.10.0 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 mli-0.10.0
[INFO] finished frobbing mli-0.10.0
[INFO] frobbed toml for mli-0.10.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mli/0.10.0/Cargo.toml
[INFO] started frobbing mli-0.10.0
[INFO] finished frobbing mli-0.10.0
[INFO] frobbed toml for mli-0.10.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mli/0.10.0/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] [stderr]     Blocking waiting for file lock on package cache
[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 mli-0.10.0 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/mli/0.10.0:/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] 00821a906bcc8162569f88ada81bd186f8f7c75b894da0ecaf22dc117e0c7944
[INFO] running `"docker" "start" "-a" "00821a906bcc8162569f88ada81bd186f8f7c75b894da0ecaf22dc117e0c7944"`
[INFO] [stderr]    Compiling mli v0.10.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:19:39
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl<'a, I, O> Stateful<'a, I, O> for Stateless<'a, I, O> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stateless<'a, I, O>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `"docker" "inspect" "00821a906bcc8162569f88ada81bd186f8f7c75b894da0ecaf22dc117e0c7944"`
[INFO] running `"docker" "rm" "-f" "00821a906bcc8162569f88ada81bd186f8f7c75b894da0ecaf22dc117e0c7944"`
[INFO] [stdout] 00821a906bcc8162569f88ada81bd186f8f7c75b894da0ecaf22dc117e0c7944
[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/mli/0.10.0:/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] 8f64c38271706649d43918843c5336275d42a35267730df1975d53d28f649c34
[INFO] running `"docker" "start" "-a" "8f64c38271706649d43918843c5336275d42a35267730df1975d53d28f649c34"`
[INFO] [stderr]    Compiling mli v0.10.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:19:39
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl<'a, I, O> Stateful<'a, I, O> for Stateless<'a, I, O> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stateless<'a, I, O>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "8f64c38271706649d43918843c5336275d42a35267730df1975d53d28f649c34"`
[INFO] running `"docker" "rm" "-f" "8f64c38271706649d43918843c5336275d42a35267730df1975d53d28f649c34"`
[INFO] [stdout] 8f64c38271706649d43918843c5336275d42a35267730df1975d53d28f649c34
[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/mli/0.10.0:/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] dd2e229ce86e4df4eaf79af4b3562dee20f2def5b5b11107e33b5fcdb5f2e187
[INFO] running `"docker" "start" "-a" "dd2e229ce86e4df4eaf79af4b3562dee20f2def5b5b11107e33b5fcdb5f2e187"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mli-7a980253122e57ec
[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 mli
[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" "dd2e229ce86e4df4eaf79af4b3562dee20f2def5b5b11107e33b5fcdb5f2e187"`
[INFO] running `"docker" "rm" "-f" "dd2e229ce86e4df4eaf79af4b3562dee20f2def5b5b11107e33b5fcdb5f2e187"`
[INFO] [stdout] dd2e229ce86e4df4eaf79af4b3562dee20f2def5b5b11107e33b5fcdb5f2e187