Dec 12 07:46:27.973 INFO checking serde-json-core-0.0.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 07:46:27.973 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 07:46:28.168 INFO [stdout] 5fca3d1d0f84329411ac9cd959755068b4c9592a2c7e08e73ec20eac084a14a3
Dec 12 07:46:28.174 INFO running `"docker" "start" "-a" "5fca3d1d0f84329411ac9cd959755068b4c9592a2c7e08e73ec20eac084a14a3"`
Dec 12 07:46:28.768 INFO [stderr] usermod: no changes
Dec 12 07:46:28.852 INFO [stderr]    Compiling serde v1.0.82
Dec 12 07:46:28.852 INFO [stderr]     Checking untagged-option v0.1.1
Dec 12 07:46:28.984 INFO [stderr]     Checking heapless v0.2.7
Dec 12 07:46:37.035 INFO [stderr]     Checking serde-json-core v0.0.1 (/source)
Dec 12 07:46:38.504 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.70s
Dec 12 07:46:38.506 INFO [stderr] su: No module specific data is present
Dec 12 07:46:38.842 INFO running `"docker" "inspect" "5fca3d1d0f84329411ac9cd959755068b4c9592a2c7e08e73ec20eac084a14a3"`
Dec 12 07:46:38.992 INFO running `"docker" "rm" "-f" "5fca3d1d0f84329411ac9cd959755068b4c9592a2c7e08e73ec20eac084a14a3"`
Dec 12 07:46:39.224 INFO [stdout] 5fca3d1d0f84329411ac9cd959755068b4c9592a2c7e08e73ec20eac084a14a3