[INFO] updating cached repository craigmayhew/bigprimes.net-rust-wasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/craigmayhew/bigprimes.net-rust-wasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/craigmayhew/bigprimes.net-rust-wasm" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/craigmayhew/bigprimes.net-rust-wasm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/craigmayhew/bigprimes.net-rust-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/craigmayhew/bigprimes.net-rust-wasm" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/craigmayhew/bigprimes.net-rust-wasm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/craigmayhew/bigprimes.net-rust-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 71de213d19e030a7d57c1fa12ab870d0fa7e5357
[INFO] sha for GitHub repo craigmayhew/bigprimes.net-rust-wasm: 71de213d19e030a7d57c1fa12ab870d0fa7e5357
[INFO] validating manifest of craigmayhew/bigprimes.net-rust-wasm 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 craigmayhew/bigprimes.net-rust-wasm 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 craigmayhew/bigprimes.net-rust-wasm
[INFO] finished frobbing craigmayhew/bigprimes.net-rust-wasm
[INFO] frobbed toml for craigmayhew/bigprimes.net-rust-wasm written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/craigmayhew/bigprimes.net-rust-wasm/Cargo.toml
[INFO] started frobbing craigmayhew/bigprimes.net-rust-wasm
[INFO] finished frobbing craigmayhew/bigprimes.net-rust-wasm
[INFO] frobbed toml for craigmayhew/bigprimes.net-rust-wasm written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/craigmayhew/bigprimes.net-rust-wasm/Cargo.toml
[INFO] crate craigmayhew/bigprimes.net-rust-wasm 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 craigmayhew/bigprimes.net-rust-wasm against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/craigmayhew/bigprimes.net-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=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] 5cd0b6ed8eb6ddcf9add256f2ed5399148c8aabd2dadac17fb20c2f526171e2f
[INFO] running `"docker" "start" "-a" "5cd0b6ed8eb6ddcf9add256f2ed5399148c8aabd2dadac17fb20c2f526171e2f"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.48
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling wasm-bindgen v0.2.48
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking enclose v1.1.6
[INFO] [stderr]     Checking tool v0.2.1
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking regex-syntax v0.6.10
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking num-traits v0.2.8
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.48
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.33
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.48
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.48
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.48
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.48
[INFO] [stderr]    Compiling web-sys v0.3.25
[INFO] [stderr]     Checking serde v1.0.97
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking js-sys v0.3.25
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.25
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.48
[INFO] [stderr]     Checking seed v0.4.0 (https://github.com/David-OConnor/seed#c8b3b5d0)
[INFO] [stderr]     Checking big_primes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 19s
[INFO] running `"docker" "inspect" "5cd0b6ed8eb6ddcf9add256f2ed5399148c8aabd2dadac17fb20c2f526171e2f"`
[INFO] running `"docker" "rm" "-f" "5cd0b6ed8eb6ddcf9add256f2ed5399148c8aabd2dadac17fb20c2f526171e2f"`
[INFO] [stdout] 5cd0b6ed8eb6ddcf9add256f2ed5399148c8aabd2dadac17fb20c2f526171e2f