Nov 27 17:10:16.067 INFO checking wezm/serde-duplicate-field against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074 Nov 27 17:10:16.069 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-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"` Nov 27 17:10:16.428 INFO [stdout] 5d3e9bd1e35664c0760bc13c043616423017fcf33a02fc97340dfc544dde3adc Nov 27 17:10:16.430 INFO running `"docker" "start" "-a" "5d3e9bd1e35664c0760bc13c043616423017fcf33a02fc97340dfc544dde3adc"` Nov 27 17:10:17.289 INFO [stderr] usermod: no changes Nov 27 17:10:17.374 INFO [stderr] Checking serde v1.0.36 Nov 27 17:10:17.391 INFO [stderr] Compiling syn v0.12.15 Nov 27 17:10:28.179 INFO [stderr] Compiling serde_derive_internals v0.22.2 Nov 27 17:10:32.683 INFO [stderr] Compiling serde_derive v1.0.36 Nov 27 17:10:35.803 INFO [stderr] Checking serde_json v1.0.13 Nov 27 17:10:46.616 INFO [stderr] Checking serde-duplicate-field v0.1.0 (/source) Nov 27 17:10:50.008 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.69s Nov 27 17:10:50.008 INFO [stderr] su: No module specific data is present Nov 27 17:10:50.888 INFO running `"docker" "inspect" "5d3e9bd1e35664c0760bc13c043616423017fcf33a02fc97340dfc544dde3adc"` Nov 27 17:10:51.137 INFO running `"docker" "rm" "-f" "5d3e9bd1e35664c0760bc13c043616423017fcf33a02fc97340dfc544dde3adc"` Nov 27 17:10:51.472 INFO [stdout] 5d3e9bd1e35664c0760bc13c043616423017fcf33a02fc97340dfc544dde3adc