[INFO] updating cached repository FrontMage/servo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FrontMage/servo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FrontMage/servo" "work/ex/beta-1.37-6/sources/1.36.0/gh/FrontMage/servo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/FrontMage/servo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FrontMage/servo" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FrontMage/servo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FrontMage/servo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6246b036d717e13b19e8e2500ab3d2823416a2a7
[INFO] sha for GitHub repo FrontMage/servo: 6246b036d717e13b19e8e2500ab3d2823416a2a7
[INFO] validating manifest of FrontMage/servo on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FrontMage/servo on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing FrontMage/servo
[INFO] finished frobbing FrontMage/servo
[INFO] frobbed toml for FrontMage/servo written to work/ex/beta-1.37-6/sources/1.36.0/gh/FrontMage/servo/Cargo.toml
[INFO] started frobbing FrontMage/servo
[INFO] finished frobbing FrontMage/servo
[INFO] frobbed toml for FrontMage/servo written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FrontMage/servo/Cargo.toml
[INFO] crate FrontMage/servo already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing FrontMage/servo against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/FrontMage/servo:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b11bb840981f7881c5e27813954c2ece0688d20827f35d90add8456926d1b38e
[INFO] running `"docker" "start" "-a" "b11bb840981f7881c5e27813954c2ece0688d20827f35d90add8456926d1b38e"`
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling servo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `"docker" "inspect" "b11bb840981f7881c5e27813954c2ece0688d20827f35d90add8456926d1b38e"`
[INFO] running `"docker" "rm" "-f" "b11bb840981f7881c5e27813954c2ece0688d20827f35d90add8456926d1b38e"`
[INFO] [stdout] b11bb840981f7881c5e27813954c2ece0688d20827f35d90add8456926d1b38e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/FrontMage/servo:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 94862baff3f88ac673ff050ad9091deb8eaae5f525073a0fe51f112291a533a8
[INFO] running `"docker" "start" "-a" "94862baff3f88ac673ff050ad9091deb8eaae5f525073a0fe51f112291a533a8"`
[INFO] [stderr]    Compiling servo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "94862baff3f88ac673ff050ad9091deb8eaae5f525073a0fe51f112291a533a8"`
[INFO] running `"docker" "rm" "-f" "94862baff3f88ac673ff050ad9091deb8eaae5f525073a0fe51f112291a533a8"`
[INFO] [stdout] 94862baff3f88ac673ff050ad9091deb8eaae5f525073a0fe51f112291a533a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/FrontMage/servo:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 40256e6a1757d46f9fa1453eec4ac143751095df08e9dbe061006f1bb2ea23f7
[INFO] running `"docker" "start" "-a" "40256e6a1757d46f9fa1453eec4ac143751095df08e9dbe061006f1bb2ea23f7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/servo-0a6251b48759b974
[INFO] [stderr]      Running /opt/crater/target/debug/deps/servo-a2ddb99ffbbad9f4
[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] [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] [stderr]    Doc-tests servo
[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" "40256e6a1757d46f9fa1453eec4ac143751095df08e9dbe061006f1bb2ea23f7"`
[INFO] running `"docker" "rm" "-f" "40256e6a1757d46f9fa1453eec4ac143751095df08e9dbe061006f1bb2ea23f7"`
[INFO] [stdout] 40256e6a1757d46f9fa1453eec4ac143751095df08e9dbe061006f1bb2ea23f7