Dec 12 12:26:22.841 INFO checking kay-0.3.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 12:26:22.841 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 12:26:23.301 INFO [stdout] 648c85fad3c023c46e268916a70f21a58c21d8a24d2ad3f1097a8433fd2f972f
Dec 12 12:26:23.303 INFO running `"docker" "start" "-a" "648c85fad3c023c46e268916a70f21a58c21d8a24d2ad3f1097a8433fd2f972f"`
Dec 12 12:26:24.394 INFO [stderr] usermod: no changes
Dec 12 12:26:24.574 INFO [stderr]     Checking simple_allocator_trait v0.1.0
Dec 12 12:26:24.574 INFO [stderr]    Compiling compact_macros v0.1.0
Dec 12 12:26:24.575 INFO [stderr]     Checking tungstenite v0.5.4
Dec 12 12:26:25.321 INFO [stderr]     Checking chunky v0.1.2
Dec 12 12:26:25.322 INFO [stderr]     Checking compact v0.2.13
Dec 12 12:26:29.006 INFO [stderr]     Checking kay v0.3.1 (/source)
Dec 12 12:26:32.493 INFO [stderr] warning: the feature `nonzero` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 12 12:26:32.493 INFO [stderr]   --> src/lib.rs:18:12
Dec 12 12:26:32.493 INFO [stderr]    |
Dec 12 12:26:32.493 INFO [stderr] 18 | #![feature(nonzero)]
Dec 12 12:26:32.493 INFO [stderr]    |            ^^^^^^^
Dec 12 12:26:32.493 INFO [stderr]    |
Dec 12 12:26:32.493 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 12 12:26:32.493 INFO [stderr] 
Dec 12 12:26:32.493 INFO [stderr] warning: the feature `tcpstream_connect_timeout` has been stable since 1.21.0 and no longer requires an attribute to enable
Dec 12 12:26:32.493 INFO [stderr]   --> src/lib.rs:19:12
Dec 12 12:26:32.493 INFO [stderr]    |
Dec 12 12:26:32.493 INFO [stderr] 19 | #![feature(tcpstream_connect_timeout)]
Dec 12 12:26:32.493 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:26:32.493 INFO [stderr] 
Dec 12 12:26:33.004 INFO [stderr] warning: the feature `nonzero` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 12 12:26:33.004 INFO [stderr]   --> src/lib.rs:18:12
Dec 12 12:26:33.004 INFO [stderr]    |
Dec 12 12:26:33.004 INFO [stderr] 18 | #![feature(nonzero)]
Dec 12 12:26:33.004 INFO [stderr]    |            ^^^^^^^
Dec 12 12:26:33.004 INFO [stderr]    |
Dec 12 12:26:33.004 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 12 12:26:33.004 INFO [stderr] 
Dec 12 12:26:33.004 INFO [stderr] warning: the feature `tcpstream_connect_timeout` has been stable since 1.21.0 and no longer requires an attribute to enable
Dec 12 12:26:33.004 INFO [stderr]   --> src/lib.rs:19:12
Dec 12 12:26:33.004 INFO [stderr]    |
Dec 12 12:26:33.004 INFO [stderr] 19 | #![feature(tcpstream_connect_timeout)]
Dec 12 12:26:33.004 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:26:33.004 INFO [stderr] 
Dec 12 12:26:33.060 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.63s
Dec 12 12:26:33.068 INFO [stderr] su: No module specific data is present
Dec 12 12:26:33.485 INFO running `"docker" "inspect" "648c85fad3c023c46e268916a70f21a58c21d8a24d2ad3f1097a8433fd2f972f"`
Dec 12 12:26:33.641 INFO running `"docker" "rm" "-f" "648c85fad3c023c46e268916a70f21a58c21d8a24d2ad3f1097a8433fd2f972f"`
Dec 12 12:26:33.807 INFO [stdout] 648c85fad3c023c46e268916a70f21a58c21d8a24d2ad3f1097a8433fd2f972f