[INFO] crate polish 0.9.9 is already in cache
[INFO] extracting crate polish 0.9.9 into work/ex/beta-1.38-1/sources/1.37.0/reg/polish/0.9.9
[INFO] extracting crate polish 0.9.9 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/polish/0.9.9
[INFO] validating manifest of polish-0.9.9 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 polish-0.9.9 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 polish-0.9.9
[INFO] finished frobbing polish-0.9.9
[INFO] frobbed toml for polish-0.9.9 written to work/ex/beta-1.38-1/sources/1.37.0/reg/polish/0.9.9/Cargo.toml
[INFO] started frobbing polish-0.9.9
[INFO] finished frobbing polish-0.9.9
[INFO] frobbed toml for polish-0.9.9 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/polish/0.9.9/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 polish-0.9.9 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-7/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/polish/0.9.9:/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] 87b02c98e6027c3dcaa07ba5ec31866356be686739d11d60a59ef5add1780bf4
[INFO] running `"docker" "start" "-a" "87b02c98e6027c3dcaa07ba5ec31866356be686739d11d60a59ef5add1780bf4"`
[INFO] [stderr]    Compiling polish v0.9.9 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_case.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub exec: Box<Fn(&mut Logger) -> TestCaseStatus>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Logger) -> TestCaseStatus`
[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/test_case.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |                exec: Box<Fn(&mut Logger) -> TestCaseStatus>)
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Logger) -> TestCaseStatus`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "87b02c98e6027c3dcaa07ba5ec31866356be686739d11d60a59ef5add1780bf4"`
[INFO] running `"docker" "rm" "-f" "87b02c98e6027c3dcaa07ba5ec31866356be686739d11d60a59ef5add1780bf4"`
[INFO] [stdout] 87b02c98e6027c3dcaa07ba5ec31866356be686739d11d60a59ef5add1780bf4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/polish/0.9.9:/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] e2f285b8fead354ed93f83e3281fd19034343a801ed61f090c822bfb62440f89
[INFO] running `"docker" "start" "-a" "e2f285b8fead354ed93f83e3281fd19034343a801ed61f090c822bfb62440f89"`
[INFO] [stderr]    Compiling polish v0.9.9 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_case.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub exec: Box<Fn(&mut Logger) -> TestCaseStatus>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Logger) -> TestCaseStatus`
[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/test_case.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |                exec: Box<Fn(&mut Logger) -> TestCaseStatus>)
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Logger) -> TestCaseStatus`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "e2f285b8fead354ed93f83e3281fd19034343a801ed61f090c822bfb62440f89"`
[INFO] running `"docker" "rm" "-f" "e2f285b8fead354ed93f83e3281fd19034343a801ed61f090c822bfb62440f89"`
[INFO] [stdout] e2f285b8fead354ed93f83e3281fd19034343a801ed61f090c822bfb62440f89
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/polish/0.9.9:/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] f1714a9b50a740235c939c8d6179c2e592b02b7e1785f8eea73012b01cf7b071
[INFO] running `"docker" "start" "-a" "f1714a9b50a740235c939c8d6179c2e592b02b7e1785f8eea73012b01cf7b071"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polish-676aa39a1551f250
[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 polish
[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" "f1714a9b50a740235c939c8d6179c2e592b02b7e1785f8eea73012b01cf7b071"`
[INFO] running `"docker" "rm" "-f" "f1714a9b50a740235c939c8d6179c2e592b02b7e1785f8eea73012b01cf7b071"`
[INFO] [stdout] f1714a9b50a740235c939c8d6179c2e592b02b7e1785f8eea73012b01cf7b071