Dec 14 14:06:21.936 INFO testing webdriver_client-0.2.2 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 14:06:21.937 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 14:06:22.143 INFO [stdout] c70beadc3997e4065431550ace188a475d64885d95de7657b629f5f90da38d28
Dec 14 14:06:22.149 INFO running `"docker" "start" "-a" "c70beadc3997e4065431550ace188a475d64885d95de7657b629f5f90da38d28"`
Dec 14 14:06:23.055 INFO [stderr] usermod: no changes
Dec 14 14:06:23.261 INFO [stderr]    Compiling nix v0.5.1
Dec 14 14:06:23.267 INFO [stderr]    Compiling hyper v0.10.15
Dec 14 14:06:23.267 INFO [stderr]    Compiling stderrlog v0.2.4
Dec 14 14:06:29.651 INFO [stderr]    Compiling rustyline v1.0.0
Dec 14 14:06:36.830 INFO [stderr]    Compiling webdriver_client v0.2.2 (/source)
Dec 14 14:06:50.538 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.46s
Dec 14 14:06:50.553 INFO [stderr] su: No module specific data is present
Dec 14 14:06:51.341 INFO running `"docker" "inspect" "c70beadc3997e4065431550ace188a475d64885d95de7657b629f5f90da38d28"`
Dec 14 14:06:51.597 INFO running `"docker" "rm" "-f" "c70beadc3997e4065431550ace188a475d64885d95de7657b629f5f90da38d28"`
Dec 14 14:06:51.837 INFO [stdout] c70beadc3997e4065431550ace188a475d64885d95de7657b629f5f90da38d28
Dec 14 14:06:51.840 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 14:06:52.215 INFO [stdout] 29d5d34a0b21eca8d2f7e7746f48e20c60fe9b0807951c955048a1719da3fc09
Dec 14 14:06:52.223 INFO running `"docker" "start" "-a" "29d5d34a0b21eca8d2f7e7746f48e20c60fe9b0807951c955048a1719da3fc09"`
Dec 14 14:06:53.520 INFO [stderr] usermod: no changes
Dec 14 14:06:53.767 INFO [stderr]    Compiling env_logger v0.4.3
Dec 14 14:06:55.459 INFO [stderr]    Compiling webdriver_client v0.2.2 (/source)
Dec 14 14:07:06.481 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.91s
Dec 14 14:07:06.492 INFO [stderr] su: No module specific data is present
Dec 14 14:07:07.056 INFO running `"docker" "inspect" "29d5d34a0b21eca8d2f7e7746f48e20c60fe9b0807951c955048a1719da3fc09"`
Dec 14 14:07:07.188 INFO running `"docker" "rm" "-f" "29d5d34a0b21eca8d2f7e7746f48e20c60fe9b0807951c955048a1719da3fc09"`
Dec 14 14:07:07.302 INFO [stdout] 29d5d34a0b21eca8d2f7e7746f48e20c60fe9b0807951c955048a1719da3fc09