Dec 12 16:33:18.489 INFO checking cn-stratum-0.4.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 16:33:18.489 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 16:33:18.908 INFO [stdout] 767ea89e8464a9b7dde95b09bb20412a4ff64fd663b495e01439bd7fdb2304f9
Dec 12 16:33:18.914 INFO running `"docker" "start" "-a" "767ea89e8464a9b7dde95b09bb20412a4ff64fd663b495e01439bd7fdb2304f9"`
Dec 12 16:33:20.325 INFO [stderr] usermod: no changes
Dec 12 16:33:20.428 INFO [stderr]     Checking cn-stratum v0.4.0 (/source)
Dec 12 16:33:23.943 INFO [stderr] error: cannot find derive macro `Deserialize` in this scope
Dec 12 16:33:23.943 INFO [stderr]    --> src/hexbytes.rs:130:14
Dec 12 16:33:23.943 INFO [stderr]     |
Dec 12 16:33:23.943 INFO [stderr] 130 |     #[derive(Deserialize)]
Dec 12 16:33:23.944 INFO [stderr]     |              ^^^^^^^^^^^
Dec 12 16:33:23.944 INFO [stderr] 
Dec 12 16:33:23.965 INFO [stderr] error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 12 16:33:23.965 INFO [stderr]    --> src/hexbytes.rs:131:23
Dec 12 16:33:23.965 INFO [stderr]     |
Dec 12 16:33:23.965 INFO [stderr] 131 |     struct Hex64leOut(#[serde(deserialize_with = "hex64le_to_int")] (u64, usize));
Dec 12 16:33:23.965 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:33:23.965 INFO [stderr]     |
Dec 12 16:33:23.976 INFO [stderr]     = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 12 16:33:23.976 INFO [stderr] 
Dec 12 16:33:23.982 INFO [stderr] error: aborting due to 2 previous errors
Dec 12 16:33:23.982 INFO [stderr] 
Dec 12 16:33:23.982 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 12 16:33:24.001 INFO [stderr] error: Could not compile `cn-stratum`.
Dec 12 16:33:24.001 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 16:33:24.761 INFO [stderr] error: build failed
Dec 12 16:33:24.769 INFO [stderr] su: No module specific data is present
Dec 12 16:33:26.248 INFO running `"docker" "inspect" "767ea89e8464a9b7dde95b09bb20412a4ff64fd663b495e01439bd7fdb2304f9"`
Dec 12 16:33:26.522 INFO running `"docker" "rm" "-f" "767ea89e8464a9b7dde95b09bb20412a4ff64fd663b495e01439bd7fdb2304f9"`
Dec 12 16:33:26.876 INFO [stdout] 767ea89e8464a9b7dde95b09bb20412a4ff64fd663b495e01439bd7fdb2304f9