[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-1.38-1/sources/1.37.0/gh/scooter-dangle/rust-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/scooter-dangle/rust-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scooter-dangle/rust-wasm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scooter-dangle/rust-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scooter-dangle/rust-wasm 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 scooter-dangle/rust-wasm
[INFO] finished frobbing scooter-dangle/rust-wasm
[INFO] frobbed toml for scooter-dangle/rust-wasm written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 scooter-dangle/rust-wasm against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 07b998a0bfbd3de457b7955340616185d6586942eef791e5ab947f40775d948e
[INFO] running `"docker" "start" "-a" "07b998a0bfbd3de457b7955340616185d6586942eef791e5ab947f40775d948e"`
[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 10.99s
[INFO] running `"docker" "inspect" "07b998a0bfbd3de457b7955340616185d6586942eef791e5ab947f40775d948e"`
[INFO] running `"docker" "rm" "-f" "07b998a0bfbd3de457b7955340616185d6586942eef791e5ab947f40775d948e"`
[INFO] [stdout] 07b998a0bfbd3de457b7955340616185d6586942eef791e5ab947f40775d948e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a0022f61f1666e29ed65a80ea732e467b53029ad7720271e7a16a816b9422b0c
[INFO] running `"docker" "start" "-a" "a0022f61f1666e29ed65a80ea732e467b53029ad7720271e7a16a816b9422b0c"`
[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 0.85s
[INFO] running `"docker" "inspect" "a0022f61f1666e29ed65a80ea732e467b53029ad7720271e7a16a816b9422b0c"`
[INFO] running `"docker" "rm" "-f" "a0022f61f1666e29ed65a80ea732e467b53029ad7720271e7a16a816b9422b0c"`
[INFO] [stdout] a0022f61f1666e29ed65a80ea732e467b53029ad7720271e7a16a816b9422b0c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2351c9183ce47127e8df79d17d92be4031590722d348d7454b64d9774da28f4a
[INFO] running `"docker" "start" "-a" "2351c9183ce47127e8df79d17d92be4031590722d348d7454b64d9774da28f4a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_wasm-f7bd33d0ff7ec342
[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" "2351c9183ce47127e8df79d17d92be4031590722d348d7454b64d9774da28f4a"`
[INFO] running `"docker" "rm" "-f" "2351c9183ce47127e8df79d17d92be4031590722d348d7454b64d9774da28f4a"`
[INFO] [stdout] 2351c9183ce47127e8df79d17d92be4031590722d348d7454b64d9774da28f4a