[INFO] crate ghost 0.1.0 is already in cache
[INFO] extracting crate ghost 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/ghost/0.1.0
[INFO] extracting crate ghost 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ghost/0.1.0
[INFO] validating manifest of ghost-0.1.0 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 ghost-0.1.0 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 ghost-0.1.0
[INFO] finished frobbing ghost-0.1.0
[INFO] frobbed toml for ghost-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ghost/0.1.0/Cargo.toml
[INFO] started frobbing ghost-0.1.0
[INFO] finished frobbing ghost-0.1.0
[INFO] frobbed toml for ghost-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ghost/0.1.0/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 ghost-0.1.0 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-6/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/ghost/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6c4cf444a2e36342f2f74b7d7be9b2137d45a6de7dc6cbdf15ed9ef14f93f6af
[INFO] running `"docker" "start" "-a" "6c4cf444a2e36342f2f74b7d7be9b2137d45a6de7dc6cbdf15ed9ef14f93f6af"`
[INFO] [stderr]    Compiling ghost v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/variance.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn apply(param: &mut HasVarianceAttribute, base: TokenStream) -> TokenStream {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HasVarianceAttribute`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `quote::quote`
[INFO] [stderr]  --> src/visibility.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use quote::quote;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `"docker" "inspect" "6c4cf444a2e36342f2f74b7d7be9b2137d45a6de7dc6cbdf15ed9ef14f93f6af"`
[INFO] running `"docker" "rm" "-f" "6c4cf444a2e36342f2f74b7d7be9b2137d45a6de7dc6cbdf15ed9ef14f93f6af"`
[INFO] [stdout] 6c4cf444a2e36342f2f74b7d7be9b2137d45a6de7dc6cbdf15ed9ef14f93f6af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/ghost/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 313eec0f280cf82eb1ff0e1f26d4b6d92b2674122932b8ebcc48bfde9babfcb2
[INFO] running `"docker" "start" "-a" "313eec0f280cf82eb1ff0e1f26d4b6d92b2674122932b8ebcc48bfde9babfcb2"`
[INFO] [stderr]    Compiling ghost v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/variance.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn apply(param: &mut HasVarianceAttribute, base: TokenStream) -> TokenStream {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HasVarianceAttribute`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `quote::quote`
[INFO] [stderr]  --> src/visibility.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use quote::quote;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "313eec0f280cf82eb1ff0e1f26d4b6d92b2674122932b8ebcc48bfde9babfcb2"`
[INFO] running `"docker" "rm" "-f" "313eec0f280cf82eb1ff0e1f26d4b6d92b2674122932b8ebcc48bfde9babfcb2"`
[INFO] [stdout] 313eec0f280cf82eb1ff0e1f26d4b6d92b2674122932b8ebcc48bfde9babfcb2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/ghost/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 25420867e7dc5aa34e1d396d9a1c9d257872044d6444f606b1ddbb91789b8b8b
[INFO] running `"docker" "start" "-a" "25420867e7dc5aa34e1d396d9a1c9d257872044d6444f606b1ddbb91789b8b8b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ghost-e0845d34386016f0
[INFO] [stderr]    Doc-tests ghost
[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] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] test src/lib.rs -  (line 103) ... ok
[INFO] [stdout] test src/lib.rs -  (line 176) ... ok
[INFO] [stdout] test src/lib.rs -  (line 11) ... ok
[INFO] [stdout] test src/lib.rs -  (line 133) ... ok
[INFO] [stdout] test src/lib.rs -  (line 152) ... ok
[INFO] [stdout] test src/lib.rs -  (line 46) ... ok
[INFO] [stdout] test src/lib.rs -  (line 73) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "25420867e7dc5aa34e1d396d9a1c9d257872044d6444f606b1ddbb91789b8b8b"`
[INFO] running `"docker" "rm" "-f" "25420867e7dc5aa34e1d396d9a1c9d257872044d6444f606b1ddbb91789b8b8b"`
[INFO] [stdout] 25420867e7dc5aa34e1d396d9a1c9d257872044d6444f606b1ddbb91789b8b8b