Dec 14 17:51:16.056 INFO testing syn-0.15.22 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 17:51:16.056 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 17:51:16.300 INFO [stdout] 26fe5fa3f37704a2b4437151cd7cdf2ccade8b90829f1804cb3fd977e72e70bf
Dec 14 17:51:16.312 INFO running `"docker" "start" "-a" "26fe5fa3f37704a2b4437151cd7cdf2ccade8b90829f1804cb3fd977e72e70bf"`
Dec 14 17:51:17.743 INFO [stderr] usermod: no changes
Dec 14 17:51:17.811 INFO [stderr]    Compiling quote v0.6.10
Dec 14 17:51:18.843 INFO [stderr]    Compiling syn v0.15.22 (/source)
Dec 14 17:51:24.947 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.18s
Dec 14 17:51:24.947 INFO [stderr] su: No module specific data is present
Dec 14 17:51:25.343 INFO running `"docker" "inspect" "26fe5fa3f37704a2b4437151cd7cdf2ccade8b90829f1804cb3fd977e72e70bf"`
Dec 14 17:51:25.604 INFO running `"docker" "rm" "-f" "26fe5fa3f37704a2b4437151cd7cdf2ccade8b90829f1804cb3fd977e72e70bf"`
Dec 14 17:51:25.975 INFO [stdout] 26fe5fa3f37704a2b4437151cd7cdf2ccade8b90829f1804cb3fd977e72e70bf
Dec 14 17:51:25.977 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 17:51:26.660 INFO [stdout] dc0aaee046e4e6d2ec9e845aa9d62adcb9704ebd5facde9dea236badc8ba6cf7
Dec 14 17:51:26.662 INFO running `"docker" "start" "-a" "dc0aaee046e4e6d2ec9e845aa9d62adcb9704ebd5facde9dea236badc8ba6cf7"`
Dec 14 17:51:28.227 INFO [stderr] usermod: no changes
Dec 14 17:51:28.379 INFO [stderr]    Compiling syn v0.15.22 (/source)
Dec 14 17:51:32.163 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
Dec 14 17:51:32.179 INFO [stderr] su: No module specific data is present
Dec 14 17:51:33.021 INFO running `"docker" "inspect" "dc0aaee046e4e6d2ec9e845aa9d62adcb9704ebd5facde9dea236badc8ba6cf7"`
Dec 14 17:51:33.148 INFO running `"docker" "rm" "-f" "dc0aaee046e4e6d2ec9e845aa9d62adcb9704ebd5facde9dea236badc8ba6cf7"`
Dec 14 17:51:33.263 INFO [stdout] dc0aaee046e4e6d2ec9e845aa9d62adcb9704ebd5facde9dea236badc8ba6cf7