[INFO] updating cached repository yggie/intro-to-rust-for-web-devs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yggie/intro-to-rust-for-web-devs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yggie/intro-to-rust-for-web-devs" "work/ex/beta-1.38-1/sources/1.37.0/gh/yggie/intro-to-rust-for-web-devs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yggie/intro-to-rust-for-web-devs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yggie/intro-to-rust-for-web-devs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yggie/intro-to-rust-for-web-devs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yggie/intro-to-rust-for-web-devs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2f3010c5017a911a8a084373070e44d6a5e9510
[INFO] sha for GitHub repo yggie/intro-to-rust-for-web-devs: c2f3010c5017a911a8a084373070e44d6a5e9510
[INFO] validating manifest of yggie/intro-to-rust-for-web-devs 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 yggie/intro-to-rust-for-web-devs 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 yggie/intro-to-rust-for-web-devs
[INFO] finished frobbing yggie/intro-to-rust-for-web-devs
[INFO] frobbed toml for yggie/intro-to-rust-for-web-devs written to work/ex/beta-1.38-1/sources/1.37.0/gh/yggie/intro-to-rust-for-web-devs/Cargo.toml
[INFO] started frobbing yggie/intro-to-rust-for-web-devs
[INFO] finished frobbing yggie/intro-to-rust-for-web-devs
[INFO] frobbed toml for yggie/intro-to-rust-for-web-devs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yggie/intro-to-rust-for-web-devs/Cargo.toml
[INFO] crate yggie/intro-to-rust-for-web-devs 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 yggie/intro-to-rust-for-web-devs 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yggie/intro-to-rust-for-web-devs:/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] 727cb68f0ea864eecd9939cd0477f0b6108f1ce3cc5f9118e0db5d29e311341c
[INFO] running `"docker" "start" "-a" "727cb68f0ea864eecd9939cd0477f0b6108f1ce3cc5f9118e0db5d29e311341c"`
[INFO] [stderr]    Compiling intro-to-rust-for-web-devs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "727cb68f0ea864eecd9939cd0477f0b6108f1ce3cc5f9118e0db5d29e311341c"`
[INFO] running `"docker" "rm" "-f" "727cb68f0ea864eecd9939cd0477f0b6108f1ce3cc5f9118e0db5d29e311341c"`
[INFO] [stdout] 727cb68f0ea864eecd9939cd0477f0b6108f1ce3cc5f9118e0db5d29e311341c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yggie/intro-to-rust-for-web-devs:/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] 8222bba0ec371116bda414e3369e6d4dee8aac739e79c3f29c403a5052c4119a
[INFO] running `"docker" "start" "-a" "8222bba0ec371116bda414e3369e6d4dee8aac739e79c3f29c403a5052c4119a"`
[INFO] [stderr]    Compiling intro-to-rust-for-web-devs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "8222bba0ec371116bda414e3369e6d4dee8aac739e79c3f29c403a5052c4119a"`
[INFO] running `"docker" "rm" "-f" "8222bba0ec371116bda414e3369e6d4dee8aac739e79c3f29c403a5052c4119a"`
[INFO] [stdout] 8222bba0ec371116bda414e3369e6d4dee8aac739e79c3f29c403a5052c4119a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yggie/intro-to-rust-for-web-devs:/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] e6e2a2063f11d927402680b7f50b299da0b70fe51ebf3fb4679b9b984e314046
[INFO] running `"docker" "start" "-a" "e6e2a2063f11d927402680b7f50b299da0b70fe51ebf3fb4679b9b984e314046"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/intro_to_rust_for_web_devs-2b2733d7a9051343
[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" "e6e2a2063f11d927402680b7f50b299da0b70fe51ebf3fb4679b9b984e314046"`
[INFO] running `"docker" "rm" "-f" "e6e2a2063f11d927402680b7f50b299da0b70fe51ebf3fb4679b9b984e314046"`
[INFO] [stdout] e6e2a2063f11d927402680b7f50b299da0b70fe51ebf3fb4679b9b984e314046