Dec 12 20:18:41.133 INFO testing yjh0502/serde-gen against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 20:18:41.133 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 12 20:18:41.380 INFO [stdout] b92e52336da6bba875b21950074169e33f6066f9219fd7004f95b0aeca1669da
Dec 12 20:18:41.383 INFO running `"docker" "start" "-a" "b92e52336da6bba875b21950074169e33f6066f9219fd7004f95b0aeca1669da"`
Dec 12 20:18:42.460 INFO [stderr] usermod: no changes
Dec 12 20:18:42.565 INFO [stderr]    Compiling gcc v0.3.50
Dec 12 20:18:42.565 INFO [stderr]    Compiling cfg-if v0.1.1
Dec 12 20:18:42.569 INFO [stderr]    Compiling num-traits v0.1.39
Dec 12 20:18:42.571 INFO [stderr]    Compiling serde v1.0.8
Dec 12 20:18:42.591 INFO [stderr]    Compiling serde_derive v1.0.8
Dec 12 20:18:45.771 INFO [stderr]    Compiling backtrace-sys v0.1.11
Dec 12 20:18:58.187 INFO [stderr]    Compiling serde_json v1.0.2
Dec 12 20:19:05.771 INFO [stderr]    Compiling backtrace v0.3.2
Dec 12 20:19:06.811 INFO [stderr]    Compiling error-chain v0.10.0
Dec 12 20:19:07.647 INFO [stderr]    Compiling serde-gen v0.1.0 (/source)
Dec 12 20:19:11.227 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.70s
Dec 12 20:19:11.227 INFO [stderr] su: No module specific data is present
Dec 12 20:19:12.127 INFO running `"docker" "inspect" "b92e52336da6bba875b21950074169e33f6066f9219fd7004f95b0aeca1669da"`
Dec 12 20:19:12.455 INFO running `"docker" "rm" "-f" "b92e52336da6bba875b21950074169e33f6066f9219fd7004f95b0aeca1669da"`
Dec 12 20:19:12.734 INFO [stdout] b92e52336da6bba875b21950074169e33f6066f9219fd7004f95b0aeca1669da
Dec 12 20:19:12.736 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 12 20:19:13.145 INFO [stdout] 4c01225df110aa68ada3834a823a8ca431f4d16bf33ff054d65ec20c68661f31
Dec 12 20:19:13.147 INFO running `"docker" "start" "-a" "4c01225df110aa68ada3834a823a8ca431f4d16bf33ff054d65ec20c68661f31"`
Dec 12 20:19:14.514 INFO [stderr] usermod: no changes
Dec 12 20:19:14.631 INFO [stderr]    Compiling serde-gen v0.1.0 (/source)
Dec 12 20:19:20.445 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
Dec 12 20:19:20.452 INFO [stderr] su: No module specific data is present
Dec 12 20:19:21.076 INFO running `"docker" "inspect" "4c01225df110aa68ada3834a823a8ca431f4d16bf33ff054d65ec20c68661f31"`
Dec 12 20:19:21.359 INFO running `"docker" "rm" "-f" "4c01225df110aa68ada3834a823a8ca431f4d16bf33ff054d65ec20c68661f31"`
Dec 12 20:19:21.655 INFO [stdout] 4c01225df110aa68ada3834a823a8ca431f4d16bf33ff054d65ec20c68661f31