Nov 29 15:03:33.389 INFO checking wezm/serde-duplicate-field against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 15:03:33.389 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 15:03:33.635 INFO [stdout] 1d3e909b35e45296f7285ac0b8cd651188207c80188d46e5daa83fa343c6f124
Nov 29 15:03:33.642 INFO running `"docker" "start" "-a" "1d3e909b35e45296f7285ac0b8cd651188207c80188d46e5daa83fa343c6f124"`
Nov 29 15:03:34.254 INFO [stderr] usermod: no changes
Nov 29 15:03:34.331 INFO [stderr]     Checking serde v1.0.36
Nov 29 15:03:34.332 INFO [stderr]    Compiling syn v0.12.15
Nov 29 15:03:42.990 INFO [stderr]    Compiling serde_derive_internals v0.22.2
Nov 29 15:03:48.332 INFO [stderr]    Compiling serde_derive v1.0.36
Nov 29 15:03:52.535 INFO [stderr]     Checking serde_json v1.0.13
Nov 29 15:04:02.352 INFO [stderr]     Checking serde-duplicate-field v0.1.0 (/source)
Nov 29 15:04:05.774 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.47s
Nov 29 15:04:05.788 INFO [stderr] su: No module specific data is present
Nov 29 15:04:07.233 INFO running `"docker" "inspect" "1d3e909b35e45296f7285ac0b8cd651188207c80188d46e5daa83fa343c6f124"`
Nov 29 15:04:07.612 INFO running `"docker" "rm" "-f" "1d3e909b35e45296f7285ac0b8cd651188207c80188d46e5daa83fa343c6f124"`
Nov 29 15:04:07.920 INFO [stdout] 1d3e909b35e45296f7285ac0b8cd651188207c80188d46e5daa83fa343c6f124