[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/beta-1.38-1/sources/1.37.0/gh/andrewdavidmackenzie/wasm_explore"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/andrewdavidmackenzie/wasm_explore'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andrewdavidmackenzie/wasm_explore" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andrewdavidmackenzie/wasm_explore"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 andrewdavidmackenzie/wasm_explore 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 andrewdavidmackenzie/wasm_explore
[INFO] finished frobbing andrewdavidmackenzie/wasm_explore
[INFO] frobbed toml for andrewdavidmackenzie/wasm_explore written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+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 andrewdavidmackenzie/wasm_explore against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4fa63379255cf868aead5f947772802daf721c37f572460fa2ea587ff05a43ff
[INFO] running `"docker" "start" "-a" "4fa63379255cf868aead5f947772802daf721c37f572460fa2ea587ff05a43ff"`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling parity-wasm v0.31.3
[INFO] [stderr]    Compiling wasmi v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 33.39s
[INFO] running `"docker" "inspect" "4fa63379255cf868aead5f947772802daf721c37f572460fa2ea587ff05a43ff"`
[INFO] running `"docker" "rm" "-f" "4fa63379255cf868aead5f947772802daf721c37f572460fa2ea587ff05a43ff"`
[INFO] [stdout] 4fa63379255cf868aead5f947772802daf721c37f572460fa2ea587ff05a43ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 07cd0c92e25de5c5ea99cad53c87e6a55b8e8da1695267c55e81be8a2767c6ea
[INFO] running `"docker" "start" "-a" "07cd0c92e25de5c5ea99cad53c87e6a55b8e8da1695267c55e81be8a2767c6ea"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "07cd0c92e25de5c5ea99cad53c87e6a55b8e8da1695267c55e81be8a2767c6ea"`
[INFO] running `"docker" "rm" "-f" "07cd0c92e25de5c5ea99cad53c87e6a55b8e8da1695267c55e81be8a2767c6ea"`
[INFO] [stdout] 07cd0c92e25de5c5ea99cad53c87e6a55b8e8da1695267c55e81be8a2767c6ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9eff1c581a0eed5ab0b1455c972bb4945408277a1466571a6fdb9751da63df82
[INFO] running `"docker" "start" "-a" "9eff1c581a0eed5ab0b1455c972bb4945408277a1466571a6fdb9751da63df82"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wasm_explore-ac823804be7c2057
[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" "9eff1c581a0eed5ab0b1455c972bb4945408277a1466571a6fdb9751da63df82"`
[INFO] running `"docker" "rm" "-f" "9eff1c581a0eed5ab0b1455c972bb4945408277a1466571a6fdb9751da63df82"`
[INFO] [stdout] 9eff1c581a0eed5ab0b1455c972bb4945408277a1466571a6fdb9751da63df82