Sep 10 03:38:50.673 INFO checking kurnevsky/opai-rs against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 03:38:50.673 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 03:38:50.673 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 03:38:50.908 INFO blam! 09f066a6ebe6bb5ff7bef1a28b909c375e71ad51eab957e123c83ca29d55f94b
Sep 10 03:38:50.910 INFO running `"docker" "start" "-a" "09f066a6ebe6bb5ff7bef1a28b909c375e71ad51eab957e123c83ca29d55f94b"`
Sep 10 03:38:52.245 INFO kablam! usermod: no changes
Sep 10 03:38:52.581 INFO kablam!    Compiling num-traits v0.2.5
Sep 10 03:38:52.581 INFO kablam!     Checking void v1.0.2
Sep 10 03:38:52.581 INFO kablam!    Compiling serde v1.0.70
Sep 10 03:38:52.582 INFO kablam!     Checking nodrop v0.1.12
Sep 10 03:38:52.582 INFO kablam!     Checking cfg-if v0.1.4
Sep 10 03:38:52.590 INFO kablam!    Compiling unicode-xid v0.1.0
Sep 10 03:38:52.590 INFO kablam!     Checking libc v0.2.42
Sep 10 03:38:52.590 INFO kablam!    Compiling cc v1.0.18
Sep 10 03:38:53.242 INFO kablam!     Checking stable_deref_trait v1.1.0
Sep 10 03:38:53.340 INFO kablam!     Checking scopeguard v0.3.3
Sep 10 03:38:53.431 INFO kablam!    Compiling num-integer v0.1.39
Sep 10 03:38:53.922 INFO kablam!     Checking lazy_static v1.0.2
Sep 10 03:38:54.158 INFO kablam!    Compiling regex v1.0.2
Sep 10 03:38:54.213 INFO kablam!     Checking memoffset v0.2.1
Sep 10 03:38:57.946 INFO kablam!     Checking traitobject v0.1.0
Sep 10 03:38:57.982 INFO kablam!     Checking crossbeam-utils v0.4.1
Sep 10 03:38:58.072 INFO kablam!    Compiling rayon-core v1.4.1
Sep 10 03:38:58.430 INFO kablam!     Checking rand_core v0.2.1
Sep 10 03:38:59.126 INFO kablam!     Checking linked-hash-map v0.5.1
Sep 10 03:38:59.747 INFO kablam!    Compiling rayon v1.0.2
Sep 10 03:39:00.487 INFO kablam!     Checking quick-error v1.2.2
Sep 10 03:39:00.817 INFO kablam!     Checking unicode-width v0.1.5
Sep 10 03:39:00.895 INFO kablam!     Checking dtoa v0.4.3
Sep 10 03:39:01.491 INFO kablam!     Checking itoa v0.4.2
Sep 10 03:39:02.120 INFO kablam!     Checking fnv v1.0.6
Sep 10 03:39:02.644 INFO kablam!     Checking either v1.5.0
Sep 10 03:39:03.047 INFO kablam!     Checking ansi_term v0.11.0
Sep 10 03:39:03.299 INFO kablam!     Checking antidote v1.0.0
Sep 10 03:39:03.742 INFO kablam!     Checking log-mdc v0.1.0
Sep 10 03:39:03.742 INFO kablam!     Checking crossbeam v0.3.2
Sep 10 03:39:06.054 INFO kablam!     Checking strsim v0.7.0
Sep 10 03:39:07.290 INFO kablam!     Checking crossbeam-utils v0.5.0
Sep 10 03:39:08.058 INFO kablam!     Checking vec_map v0.8.1
Sep 10 03:39:08.094 INFO kablam!     Checking bitflags v1.0.3
Sep 10 03:39:08.175 INFO kablam!     Checking filetime v0.2.1
Sep 10 03:39:08.362 INFO kablam!     Checking xattr v0.2.2
Sep 10 03:39:08.498 INFO kablam!     Checking crossbeam-utils v0.2.2
Sep 10 03:39:08.568 INFO kablam!     Checking arrayvec v0.4.7
Sep 10 03:39:08.738 INFO kablam!     Checking unreachable v1.0.0
Sep 10 03:39:09.094 INFO kablam!     Checking unreachable v0.1.1
Sep 10 03:39:09.327 INFO kablam!    Compiling proc-macro2 v0.4.9
Sep 10 03:39:09.352 INFO kablam!     Checking owning_ref v0.3.3
Sep 10 03:39:10.178 INFO kablam!     Checking unsafe-any v0.4.2
Sep 10 03:39:10.611 INFO kablam!     Checking textwrap v0.10.0
Sep 10 03:39:10.647 INFO kablam!     Checking humantime v1.1.1
Sep 10 03:39:10.986 INFO kablam!     Checking yaml-rust v0.4.0
Sep 10 03:39:11.085 INFO kablam!     Checking itertools v0.7.8
Sep 10 03:39:11.267 INFO kablam!     Checking rand v0.4.2
Sep 10 03:39:12.286 INFO kablam!     Checking num_cpus v1.8.0
Sep 10 03:39:12.418 INFO kablam!     Checking rand v0.5.4
Sep 10 03:39:13.590 INFO kablam!     Checking time v0.1.40
Sep 10 03:39:16.135 INFO kablam!     Checking atty v0.2.11
Sep 10 03:39:16.322 INFO kablam!     Checking smallvec v0.6.3
Sep 10 03:39:17.127 INFO kablam!     Checking crossbeam-epoch v0.5.1
Sep 10 03:39:18.246 INFO kablam!    Compiling miniz-sys v0.1.10
Sep 10 03:39:24.786 INFO kablam!     Checking tar v0.4.16
Sep 10 03:39:25.367 INFO kablam!     Checking typemap v0.3.3
Sep 10 03:39:25.447 INFO kablam!     Checking crossbeam-epoch v0.3.1
Sep 10 03:39:30.177 INFO kablam!     Checking clap v2.32.0
Sep 10 03:39:34.351 INFO kablam!     Checking crossbeam-deque v0.5.1
Sep 10 03:39:37.320 INFO kablam!     Checking parking_lot_core v0.2.14
Sep 10 03:39:40.904 INFO kablam!    Compiling quote v0.6.4
Sep 10 03:39:40.958 INFO kablam!     Checking crossbeam-deque v0.2.0
Sep 10 03:39:46.021 INFO kablam!     Checking num-traits v0.1.43
Sep 10 03:39:48.167 INFO kablam!     Checking parking_lot v0.5.5
Sep 10 03:39:52.127 INFO kablam!     Checking flate2 v1.0.1
Sep 10 03:39:53.886 INFO kablam!     Checking ordered-float v0.5.0
Sep 10 03:39:56.288 INFO kablam!    Compiling syn v0.14.5
Sep 10 03:39:59.790 INFO kablam!     Checking chrono v0.4.5
Sep 10 03:40:00.306 INFO kablam!     Checking crossbeam-channel v0.2.3
Sep 10 03:40:19.648 INFO kablam!     Checking crossbeam v0.4.1
Sep 10 03:40:38.830 INFO kablam!     Checking log v0.4.3
Sep 10 03:40:38.830 INFO kablam!     Checking serde_json v1.0.24
Sep 10 03:40:38.830 INFO kablam!     Checking serde_yaml v0.7.5
Sep 10 03:40:38.830 INFO kablam!     Checking serde-value v0.5.2
Sep 10 03:40:40.190 INFO kablam!     Checking toml v0.4.6
Sep 10 03:40:41.184 INFO kablam!    Compiling serde_derive v1.0.70
Sep 10 03:40:48.382 INFO kablam!     Checking env_logger v0.5.11
Sep 10 03:40:52.218 INFO kablam!     Checking quickcheck v0.6.2
Sep 10 03:40:52.818 INFO kablam!     Checking log4rs v0.8.0
Sep 10 03:40:53.778 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 10 03:40:53.778 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Sep 10 03:40:53.778 INFO kablam!    |
Sep 10 03:40:53.778 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 10 03:40:53.778 INFO kablam!    |   ^^^^^
Sep 10 03:40:53.778 INFO kablam!    |
Sep 10 03:40:53.778 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 03:40:53.778 INFO kablam! 
Sep 10 03:40:53.778 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 10 03:40:53.778 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Sep 10 03:40:53.778 INFO kablam!    |
Sep 10 03:40:53.778 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 10 03:40:53.778 INFO kablam!    |   ^^^^^
Sep 10 03:40:53.778 INFO kablam!    |
Sep 10 03:40:53.778 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 03:40:53.778 INFO kablam! 
Sep 10 03:40:53.778 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 10 03:40:53.778 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Sep 10 03:40:53.778 INFO kablam!    |
Sep 10 03:40:53.778 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 10 03:40:53.778 INFO kablam!    |   ^^^^^
Sep 10 03:40:53.778 INFO kablam!    |
Sep 10 03:40:53.778 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 03:40:53.778 INFO kablam! 
Sep 10 03:40:53.778 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 10 03:40:53.778 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Sep 10 03:40:53.779 INFO kablam!    |
Sep 10 03:40:53.779 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 10 03:40:53.779 INFO kablam!    |   ^^^^^
Sep 10 03:40:53.779 INFO kablam!    |
Sep 10 03:40:53.779 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 03:40:53.779 INFO kablam! 
Sep 10 03:40:53.779 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 10 03:40:53.779 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Sep 10 03:40:53.779 INFO kablam!    |
Sep 10 03:40:53.779 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 10 03:40:53.779 INFO kablam!    |   ^^^^^
Sep 10 03:40:53.779 INFO kablam!    |
Sep 10 03:40:53.779 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 03:40:53.779 INFO kablam! 
Sep 10 03:40:53.779 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 10 03:40:53.779 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 10 03:40:53.779 INFO kablam!    |
Sep 10 03:40:53.779 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 10 03:40:53.779 INFO kablam!    |   ^^^^^
Sep 10 03:40:53.779 INFO kablam!    |
Sep 10 03:40:53.779 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 03:40:53.779 INFO kablam! 
Sep 10 03:40:53.779 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 10 03:40:53.779 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Sep 10 03:40:53.779 INFO kablam!    |
Sep 10 03:40:53.779 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 10 03:40:53.779 INFO kablam!    |   ^^^^^
Sep 10 03:40:53.779 INFO kablam!    |
Sep 10 03:40:53.779 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 03:40:53.779 INFO kablam! 
Sep 10 03:40:54.380 INFO kablam! error: aborting due to 7 previous errors
Sep 10 03:40:54.390 INFO kablam! 
Sep 10 03:40:54.390 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 03:40:54.402 INFO kablam! error: Could not compile `log4rs`.
Sep 10 03:40:54.402 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 03:41:08.152 INFO kablam! error: build failed
Sep 10 03:41:08.154 INFO kablam! su: No module specific data is present
Sep 10 03:41:09.841 INFO running `"docker" "rm" "-f" "09f066a6ebe6bb5ff7bef1a28b909c375e71ad51eab957e123c83ca29d55f94b"`
Sep 10 03:41:09.951 INFO blam! 09f066a6ebe6bb5ff7bef1a28b909c375e71ad51eab957e123c83ca29d55f94b