[INFO] updating cached repository andrewdavidmackenzie/wasm_explore
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andrewdavidmackenzie/wasm_explore
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andrewdavidmackenzie/wasm_explore" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/andrewdavidmackenzie/wasm_explore"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/andrewdavidmackenzie/wasm_explore'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andrewdavidmackenzie/wasm_explore" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/andrewdavidmackenzie/wasm_explore"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/andrewdavidmackenzie/wasm_explore'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] acf2cb9a775c8f7b7d9fd893c4ce13844652e32f
[INFO] sha for GitHub repo andrewdavidmackenzie/wasm_explore: acf2cb9a775c8f7b7d9fd893c4ce13844652e32f
[INFO] validating manifest of andrewdavidmackenzie/wasm_explore on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of andrewdavidmackenzie/wasm_explore on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing andrewdavidmackenzie/wasm_explore
[INFO] finished frobbing andrewdavidmackenzie/wasm_explore
[INFO] frobbed toml for andrewdavidmackenzie/wasm_explore written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/andrewdavidmackenzie/wasm_explore/Cargo.toml
[INFO] started frobbing andrewdavidmackenzie/wasm_explore
[INFO] finished frobbing andrewdavidmackenzie/wasm_explore
[INFO] frobbed toml for andrewdavidmackenzie/wasm_explore written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/andrewdavidmackenzie/wasm_explore/Cargo.toml
[INFO] crate andrewdavidmackenzie/wasm_explore already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking andrewdavidmackenzie/wasm_explore against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-0/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/andrewdavidmackenzie/wasm_explore:/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=forbid" "-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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5efcb801deb9f00c8869f51e7e86636ae25c3488b498b7bb33bffc8717ac4030
[INFO] running `"docker" "start" "-a" "5efcb801deb9f00c8869f51e7e86636ae25c3488b498b7bb33bffc8717ac4030"`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking wasmi v0.4.2
[INFO] [stderr]     Checking wasm_explore v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/simulator.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub implementation: &'a WasmImplementation
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WasmImplementation`
[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/main.rs:19:63
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let implementation = &Wrapper{implementation: &Add{}} as &Implementation;
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Implementation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/simulator.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub implementation: &'a WasmImplementation
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WasmImplementation`
[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/main.rs:19:63
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let implementation = &Wrapper{implementation: &Add{}} as &Implementation;
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Implementation`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.60s
[INFO] running `"docker" "inspect" "5efcb801deb9f00c8869f51e7e86636ae25c3488b498b7bb33bffc8717ac4030"`
[INFO] running `"docker" "rm" "-f" "5efcb801deb9f00c8869f51e7e86636ae25c3488b498b7bb33bffc8717ac4030"`
[INFO] [stdout] 5efcb801deb9f00c8869f51e7e86636ae25c3488b498b7bb33bffc8717ac4030