[INFO] updating cached repository JoshOrndorff/rustdoc-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JoshOrndorff/rustdoc-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JoshOrndorff/rustdoc-playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/JoshOrndorff/rustdoc-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JoshOrndorff/rustdoc-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JoshOrndorff/rustdoc-playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JoshOrndorff/rustdoc-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JoshOrndorff/rustdoc-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f518b5729631df427b52267e783f3b77bc3a6815
[INFO] sha for GitHub repo JoshOrndorff/rustdoc-playground: f518b5729631df427b52267e783f3b77bc3a6815
[INFO] validating manifest of JoshOrndorff/rustdoc-playground 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 JoshOrndorff/rustdoc-playground 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 JoshOrndorff/rustdoc-playground
[INFO] finished frobbing JoshOrndorff/rustdoc-playground
[INFO] frobbed toml for JoshOrndorff/rustdoc-playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/JoshOrndorff/rustdoc-playground/Cargo.toml
[INFO] started frobbing JoshOrndorff/rustdoc-playground
[INFO] finished frobbing JoshOrndorff/rustdoc-playground
[INFO] frobbed toml for JoshOrndorff/rustdoc-playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JoshOrndorff/rustdoc-playground/Cargo.toml
[INFO] crate JoshOrndorff/rustdoc-playground 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 JoshOrndorff/rustdoc-playground 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JoshOrndorff/rustdoc-playground:/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] 3c9d93c30624dceb7917e64f1719fb491c6d7f9df99599e8c94a4198687aa55c
[INFO] running `"docker" "start" "-a" "3c9d93c30624dceb7917e64f1719fb491c6d7f9df99599e8c94a4198687aa55c"`
[INFO] [stderr]    Compiling sample-rust-doc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "3c9d93c30624dceb7917e64f1719fb491c6d7f9df99599e8c94a4198687aa55c"`
[INFO] running `"docker" "rm" "-f" "3c9d93c30624dceb7917e64f1719fb491c6d7f9df99599e8c94a4198687aa55c"`
[INFO] [stdout] 3c9d93c30624dceb7917e64f1719fb491c6d7f9df99599e8c94a4198687aa55c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JoshOrndorff/rustdoc-playground:/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] c45789ce56b6e253825a5c35f6b3d34132a372815d3e68421ec3b632c06d0ac6
[INFO] running `"docker" "start" "-a" "c45789ce56b6e253825a5c35f6b3d34132a372815d3e68421ec3b632c06d0ac6"`
[INFO] [stderr]    Compiling sample-rust-doc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "c45789ce56b6e253825a5c35f6b3d34132a372815d3e68421ec3b632c06d0ac6"`
[INFO] running `"docker" "rm" "-f" "c45789ce56b6e253825a5c35f6b3d34132a372815d3e68421ec3b632c06d0ac6"`
[INFO] [stdout] c45789ce56b6e253825a5c35f6b3d34132a372815d3e68421ec3b632c06d0ac6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JoshOrndorff/rustdoc-playground:/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] 66588efb51217176c7c0636efce7ea6c01d695bc990ef5d90328c1f24554bcd5
[INFO] running `"docker" "start" "-a" "66588efb51217176c7c0636efce7ea6c01d695bc990ef5d90328c1f24554bcd5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sample_rust_doc-eb280df110ec5dc0
[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" "66588efb51217176c7c0636efce7ea6c01d695bc990ef5d90328c1f24554bcd5"`
[INFO] running `"docker" "rm" "-f" "66588efb51217176c7c0636efce7ea6c01d695bc990ef5d90328c1f24554bcd5"`
[INFO] [stdout] 66588efb51217176c7c0636efce7ea6c01d695bc990ef5d90328c1f24554bcd5