[INFO] updating cached repository scooter-dangle/rust-wasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scooter-dangle/rust-wasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scooter-dangle/rust-wasm" "work/ex/beta-1.37-6/sources/1.36.0/gh/scooter-dangle/rust-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/scooter-dangle/rust-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scooter-dangle/rust-wasm" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scooter-dangle/rust-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scooter-dangle/rust-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78798c72202befebbcfec5c5ba58f41a99ab35c1
[INFO] sha for GitHub repo scooter-dangle/rust-wasm: 78798c72202befebbcfec5c5ba58f41a99ab35c1
[INFO] validating manifest of scooter-dangle/rust-wasm 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 scooter-dangle/rust-wasm 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 scooter-dangle/rust-wasm
[INFO] finished frobbing scooter-dangle/rust-wasm
[INFO] frobbed toml for scooter-dangle/rust-wasm written to work/ex/beta-1.37-6/sources/1.36.0/gh/scooter-dangle/rust-wasm/Cargo.toml
[INFO] started frobbing scooter-dangle/rust-wasm
[INFO] finished frobbing scooter-dangle/rust-wasm
[INFO] frobbed toml for scooter-dangle/rust-wasm written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scooter-dangle/rust-wasm/Cargo.toml
[INFO] crate scooter-dangle/rust-wasm 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 scooter-dangle/rust-wasm 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-0/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/scooter-dangle/rust-wasm:/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] cb9a67ee29687f164a353411aa9e2796b0a5c4fed5b47ab3cdc090522362ef2d
[INFO] running `"docker" "start" "-a" "cb9a67ee29687f164a353411aa9e2796b0a5c4fed5b47ab3cdc090522362ef2d"`
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling rust-wasm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:72
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn safe_regex_compare(reg: String, target: String) -> Result<bool, Box<Error>> {
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.61s
[INFO] running `"docker" "inspect" "cb9a67ee29687f164a353411aa9e2796b0a5c4fed5b47ab3cdc090522362ef2d"`
[INFO] running `"docker" "rm" "-f" "cb9a67ee29687f164a353411aa9e2796b0a5c4fed5b47ab3cdc090522362ef2d"`
[INFO] [stdout] cb9a67ee29687f164a353411aa9e2796b0a5c4fed5b47ab3cdc090522362ef2d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/scooter-dangle/rust-wasm:/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] 5a2a2fe9d0cef9bb58692f2d8fddf0caca5d165a3e79c80b5845b152a6a9fac9
[INFO] running `"docker" "start" "-a" "5a2a2fe9d0cef9bb58692f2d8fddf0caca5d165a3e79c80b5845b152a6a9fac9"`
[INFO] [stderr]    Compiling rust-wasm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:72
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn safe_regex_compare(reg: String, target: String) -> Result<bool, Box<Error>> {
[INFO] [stderr]    |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "5a2a2fe9d0cef9bb58692f2d8fddf0caca5d165a3e79c80b5845b152a6a9fac9"`
[INFO] running `"docker" "rm" "-f" "5a2a2fe9d0cef9bb58692f2d8fddf0caca5d165a3e79c80b5845b152a6a9fac9"`
[INFO] [stdout] 5a2a2fe9d0cef9bb58692f2d8fddf0caca5d165a3e79c80b5845b152a6a9fac9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/scooter-dangle/rust-wasm:/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] 8b1fee1ba19c15c51fe8e8a0d26e44c1bfdff5b6ecf4fc810d6e9d9270f93dc2
[INFO] running `"docker" "start" "-a" "8b1fee1ba19c15c51fe8e8a0d26e44c1bfdff5b6ecf4fc810d6e9d9270f93dc2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_wasm-5c025c8fe30fd0da
[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" "8b1fee1ba19c15c51fe8e8a0d26e44c1bfdff5b6ecf4fc810d6e9d9270f93dc2"`
[INFO] running `"docker" "rm" "-f" "8b1fee1ba19c15c51fe8e8a0d26e44c1bfdff5b6ecf4fc810d6e9d9270f93dc2"`
[INFO] [stdout] 8b1fee1ba19c15c51fe8e8a0d26e44c1bfdff5b6ecf4fc810d6e9d9270f93dc2