[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 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-0/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3455fae049f77623c33edbc14055880dc01dce33770fb6d9941288b840bfa4ab
[INFO] running `"docker" "start" "-a" "3455fae049f77623c33edbc14055880dc01dce33770fb6d9941288b840bfa4ab"`
[INFO] [stderr]    Compiling intro-to-rust-for-web-devs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "3455fae049f77623c33edbc14055880dc01dce33770fb6d9941288b840bfa4ab"`
[INFO] running `"docker" "rm" "-f" "3455fae049f77623c33edbc14055880dc01dce33770fb6d9941288b840bfa4ab"`
[INFO] [stdout] 3455fae049f77623c33edbc14055880dc01dce33770fb6d9941288b840bfa4ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c9841ba8dcdfaba9f38f857ca71537d9be39a0853a8acc68375fc5de19c4bbfb
[INFO] running `"docker" "start" "-a" "c9841ba8dcdfaba9f38f857ca71537d9be39a0853a8acc68375fc5de19c4bbfb"`
[INFO] [stderr]    Compiling intro-to-rust-for-web-devs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "c9841ba8dcdfaba9f38f857ca71537d9be39a0853a8acc68375fc5de19c4bbfb"`
[INFO] running `"docker" "rm" "-f" "c9841ba8dcdfaba9f38f857ca71537d9be39a0853a8acc68375fc5de19c4bbfb"`
[INFO] [stdout] c9841ba8dcdfaba9f38f857ca71537d9be39a0853a8acc68375fc5de19c4bbfb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 7f77c58b2350336f2999bf45e57b9ea705c60f2e1a4e9aecad4cfa3af06955cc
[INFO] running `"docker" "start" "-a" "7f77c58b2350336f2999bf45e57b9ea705c60f2e1a4e9aecad4cfa3af06955cc"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/intro_to_rust_for_web_devs-6514baf576cbfaaf
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7f77c58b2350336f2999bf45e57b9ea705c60f2e1a4e9aecad4cfa3af06955cc"`
[INFO] running `"docker" "rm" "-f" "7f77c58b2350336f2999bf45e57b9ea705c60f2e1a4e9aecad4cfa3af06955cc"`
[INFO] [stdout] 7f77c58b2350336f2999bf45e57b9ea705c60f2e1a4e9aecad4cfa3af06955cc