Dec 12 06:38:55.665 INFO checking synapse-rpc-0.1.20 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 06:38:55.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 06:38:56.170 INFO [stdout] 9f0120fadbfb7afa30f3a7033ff1c8bd5d2565b7d312202d146f6351a31e73e0
Dec 12 06:38:56.178 INFO running `"docker" "start" "-a" "9f0120fadbfb7afa30f3a7033ff1c8bd5d2565b7d312202d146f6351a31e73e0"`
Dec 12 06:38:57.128 INFO [stderr] usermod: no changes
Dec 12 06:38:57.276 INFO [stderr]     Checking chrono v0.4.6
Dec 12 06:38:57.276 INFO [stderr]     Checking url_serde v0.2.0
Dec 12 06:39:00.724 INFO [stderr]     Checking synapse-rpc v0.1.20 (/source)
Dec 12 06:39:07.668 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.52s
Dec 12 06:39:07.673 INFO [stderr] su: No module specific data is present
Dec 12 06:39:07.989 INFO running `"docker" "inspect" "9f0120fadbfb7afa30f3a7033ff1c8bd5d2565b7d312202d146f6351a31e73e0"`
Dec 12 06:39:08.154 INFO running `"docker" "rm" "-f" "9f0120fadbfb7afa30f3a7033ff1c8bd5d2565b7d312202d146f6351a31e73e0"`
Dec 12 06:39:08.339 INFO [stdout] 9f0120fadbfb7afa30f3a7033ff1c8bd5d2565b7d312202d146f6351a31e73e0