[INFO] updating cached repository CodeHipster/rustacean-fiddling
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CodeHipster/rustacean-fiddling
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CodeHipster/rustacean-fiddling" "work/ex/beta-1.37-6/sources/1.36.0/gh/CodeHipster/rustacean-fiddling"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/CodeHipster/rustacean-fiddling'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CodeHipster/rustacean-fiddling" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CodeHipster/rustacean-fiddling"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CodeHipster/rustacean-fiddling'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 267017b3f9f1ca812181a648da499ed0245fe394
[INFO] sha for GitHub repo CodeHipster/rustacean-fiddling: 267017b3f9f1ca812181a648da499ed0245fe394
[INFO] validating manifest of CodeHipster/rustacean-fiddling 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 CodeHipster/rustacean-fiddling 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 CodeHipster/rustacean-fiddling
[INFO] finished frobbing CodeHipster/rustacean-fiddling
[INFO] frobbed toml for CodeHipster/rustacean-fiddling written to work/ex/beta-1.37-6/sources/1.36.0/gh/CodeHipster/rustacean-fiddling/Cargo.toml
[INFO] started frobbing CodeHipster/rustacean-fiddling
[INFO] finished frobbing CodeHipster/rustacean-fiddling
[INFO] frobbed toml for CodeHipster/rustacean-fiddling written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CodeHipster/rustacean-fiddling/Cargo.toml
[INFO] crate CodeHipster/rustacean-fiddling already has a lockfile, it will not be regenerated
[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 CodeHipster/rustacean-fiddling 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/gh/CodeHipster/rustacean-fiddling:/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] 5503efb75955139fb508f6abc23af62829ba75edcfb6d7886acbcf021cd869f4
[INFO] running `"docker" "start" "-a" "5503efb75955139fb508f6abc23af62829ba75edcfb6d7886acbcf021cd869f4"`
[INFO] [stderr]    Compiling trait-object v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world/world.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub items: Vec<Box<Item>>
[INFO] [stderr]    |                        ^^^^ help: use `dyn`: `dyn Item`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "5503efb75955139fb508f6abc23af62829ba75edcfb6d7886acbcf021cd869f4"`
[INFO] running `"docker" "rm" "-f" "5503efb75955139fb508f6abc23af62829ba75edcfb6d7886acbcf021cd869f4"`
[INFO] [stdout] 5503efb75955139fb508f6abc23af62829ba75edcfb6d7886acbcf021cd869f4
[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/gh/CodeHipster/rustacean-fiddling:/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] 931cfbd3cab38ef994b68ebbd1adf497c2fd9e830e182a244e07f3fcd2d7ae9d
[INFO] running `"docker" "start" "-a" "931cfbd3cab38ef994b68ebbd1adf497c2fd9e830e182a244e07f3fcd2d7ae9d"`
[INFO] [stderr]    Compiling trait-object v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world/world.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub items: Vec<Box<Item>>
[INFO] [stderr]    |                        ^^^^ help: use `dyn`: `dyn Item`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "931cfbd3cab38ef994b68ebbd1adf497c2fd9e830e182a244e07f3fcd2d7ae9d"`
[INFO] running `"docker" "rm" "-f" "931cfbd3cab38ef994b68ebbd1adf497c2fd9e830e182a244e07f3fcd2d7ae9d"`
[INFO] [stdout] 931cfbd3cab38ef994b68ebbd1adf497c2fd9e830e182a244e07f3fcd2d7ae9d
[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/gh/CodeHipster/rustacean-fiddling:/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] 3c5c63462d88e87dab30715d173b6f5cd7c96953c2706bfea7cb6b573a67b4f3
[INFO] running `"docker" "start" "-a" "3c5c63462d88e87dab30715d173b6f5cd7c96953c2706bfea7cb6b573a67b4f3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/trait_object-5907b315ea3ee33d
[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" "3c5c63462d88e87dab30715d173b6f5cd7c96953c2706bfea7cb6b573a67b4f3"`
[INFO] running `"docker" "rm" "-f" "3c5c63462d88e87dab30715d173b6f5cd7c96953c2706bfea7cb6b573a67b4f3"`
[INFO] [stdout] 3c5c63462d88e87dab30715d173b6f5cd7c96953c2706bfea7cb6b573a67b4f3