Sep 10 07:55:45.298 INFO checking test-data-generation-0.0.7 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 07:55:45.298 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 07:55:45.298 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/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 07:55:45.441 INFO blam! b863da87998d09a968e4fb052feda95f3c169166f43f116fbc534af75a3631ae
Sep 10 07:55:45.442 INFO running `"docker" "start" "-a" "b863da87998d09a968e4fb052feda95f3c169166f43f116fbc534af75a3631ae"`
Sep 10 07:55:46.274 INFO kablam! usermod: no changes
Sep 10 07:55:46.330 INFO kablam! warning: profile `doc` is deprecated and has no effect
Sep 10 07:55:46.482 INFO kablam!    Compiling winapi-build v0.1.1
Sep 10 07:55:46.486 INFO kablam!    Compiling num-traits v0.2.5
Sep 10 07:55:46.486 INFO kablam!     Checking winapi v0.2.8
Sep 10 07:55:46.486 INFO kablam!    Compiling proc-macro2 v0.4.19
Sep 10 07:55:46.486 INFO kablam!    Compiling num-integer v0.1.39
Sep 10 07:55:46.486 INFO kablam!    Compiling cc v1.0.24
Sep 10 07:55:46.486 INFO kablam!     Checking libc v0.2.43
Sep 10 07:55:46.486 INFO kablam!    Compiling num-iter v0.1.37
Sep 10 07:55:50.200 INFO kablam!    Compiling unicode-xid v0.1.0
Sep 10 07:55:50.258 INFO kablam!    Compiling version_check v0.1.4
Sep 10 07:55:50.650 INFO kablam!    Compiling serde v1.0.78
Sep 10 07:55:50.712 INFO kablam!     Checking void v1.0.2
Sep 10 07:55:50.932 INFO kablam!    Compiling ryu v0.2.6
Sep 10 07:55:51.982 INFO kablam!     Checking serde v0.8.23
Sep 10 07:55:53.246 INFO kablam!     Checking regex-syntax v0.3.9
Sep 10 07:55:53.334 INFO kablam!     Checking utf8-ranges v0.1.3
Sep 10 07:55:53.607 INFO kablam!     Checking linked-hash-map v0.5.1
Sep 10 07:55:54.090 INFO kablam!     Checking traitobject v0.1.0
Sep 10 07:55:54.446 INFO kablam!     Checking cfg-if v0.1.5
Sep 10 07:55:54.658 INFO kablam!    Compiling regex v0.2.11
Sep 10 07:55:54.732 INFO kablam!     Checking lazy_static v0.2.11
Sep 10 07:55:54.912 INFO kablam!     Checking itoa v0.4.3
Sep 10 07:55:55.546 INFO kablam!     Checking ucd-util v0.1.1
Sep 10 07:55:55.578 INFO kablam!     Checking dtoa v0.4.3
Sep 10 07:55:55.634 INFO kablam!     Checking quick-error v1.2.2
Sep 10 07:55:55.834 INFO kablam!     Checking log-mdc v0.1.0
Sep 10 07:55:55.914 INFO kablam!     Checking crossbeam v0.2.12
Sep 10 07:55:56.088 INFO kablam!     Checking fnv v1.0.6
Sep 10 07:55:56.274 INFO kablam!     Checking utf8-ranges v1.0.1
Sep 10 07:55:56.462 INFO kablam!     Checking antidote v1.0.0
Sep 10 07:55:56.490 INFO kablam!     Checking levenshtein v1.0.3
Sep 10 07:55:56.642 INFO kablam!     Checking crossbeam v0.3.2
Sep 10 07:55:57.042 INFO kablam!     Checking yaml-rust v0.3.5
Sep 10 07:55:57.065 INFO kablam!    Compiling kernel32-sys v0.2.2
Sep 10 07:55:57.686 INFO kablam!     Checking unreachable v0.1.1
Sep 10 07:55:57.970 INFO kablam!     Checking memchr v0.1.11
Sep 10 07:55:58.018 INFO kablam!     Checking time v0.1.40
Sep 10 07:55:58.052 INFO kablam!     Checking memchr v1.0.2
Sep 10 07:55:58.378 INFO kablam!     Checking memchr v2.0.2
Sep 10 07:55:59.046 INFO kablam!     Checking rand v0.4.3
Sep 10 07:55:59.241 INFO kablam!    Compiling lazy_static v1.1.0
Sep 10 07:55:59.934 INFO kablam!     Checking log v0.4.5
Sep 10 07:56:00.022 INFO kablam!     Checking unsafe-any v0.4.2
Sep 10 07:56:00.588 INFO kablam!    Compiling miniz-sys v0.1.10
Sep 10 07:56:00.714 INFO kablam!     Checking yaml-rust v0.4.0
Sep 10 07:56:01.010 INFO kablam!     Checking regex-syntax v0.5.6
Sep 10 07:56:01.126 INFO kablam!     Checking humantime v1.1.1
Sep 10 07:56:03.430 INFO kablam!     Checking aho-corasick v0.5.3
Sep 10 07:56:04.001 INFO kablam!     Checking aho-corasick v0.6.8
Sep 10 07:56:04.538 INFO kablam!     Checking csv-core v0.1.4
Sep 10 07:56:05.050 INFO kablam!     Checking nom v3.2.1
Sep 10 07:56:05.788 INFO kablam!     Checking typemap v0.3.3
Sep 10 07:56:06.517 INFO kablam!     Checking log v0.3.9
Sep 10 07:56:07.866 INFO kablam!     Checking rand v0.3.22
Sep 10 07:56:08.655 INFO kablam!     Checking num-traits v0.1.43
Sep 10 07:56:10.114 INFO kablam!     Checking serde_test v0.8.23
Sep 10 07:56:10.922 INFO kablam!     Checking ordered-float v0.5.0
Sep 10 07:56:10.956 INFO kablam!     Checking thread-id v2.0.0
Sep 10 07:56:11.306 INFO kablam!     Checking thread_local v0.3.6
Sep 10 07:56:11.357 INFO kablam!    Compiling quote v0.6.8
Sep 10 07:56:11.466 INFO kablam!     Checking thread_local v0.2.7
Sep 10 07:56:11.678 INFO kablam!     Checking flate2 v0.2.20
Sep 10 07:56:12.125 INFO kablam!     Checking num v0.1.42
Sep 10 07:56:12.625 INFO kablam!     Checking chrono v0.3.0
Sep 10 07:56:12.846 INFO kablam!     Checking regex v0.1.80
Sep 10 07:56:15.190 INFO kablam!     Checking linked-hash-map v0.3.0
Sep 10 07:56:15.574 INFO kablam!    Compiling syn v0.15.3
Sep 10 07:56:18.362 INFO kablam!     Checking serde-hjson v0.8.1
Sep 10 07:56:26.870 INFO kablam!     Checking serde_json v1.0.27
Sep 10 07:56:26.870 INFO kablam!     Checking serde-value v0.5.2
Sep 10 07:56:26.870 INFO kablam!     Checking serde_yaml v0.7.5
Sep 10 07:56:26.870 INFO kablam!     Checking toml v0.4.6
Sep 10 07:56:26.870 INFO kablam!     Checking csv v1.0.1
Sep 10 07:56:34.630 INFO kablam!    Compiling serde_derive v1.0.78
Sep 10 07:56:36.471 INFO kablam!     Checking config v0.8.0
Sep 10 07:56:50.598 INFO kablam!     Checking log4rs v0.7.0
Sep 10 07:56:51.030 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 07:56:51.030 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 10 07:56:51.030 INFO kablam!    |
Sep 10 07:56:51.030 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 10 07:56:51.030 INFO kablam!    |   ^^^^^
Sep 10 07:56:51.030 INFO kablam!    |
Sep 10 07:56:51.030 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:51.030 INFO kablam! 
Sep 10 07:56:51.030 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 07:56:51.030 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 10 07:56:51.030 INFO kablam!    |
Sep 10 07:56:51.030 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 10 07:56:51.030 INFO kablam!    |   ^^^^^
Sep 10 07:56:51.030 INFO kablam!    |
Sep 10 07:56:51.030 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:51.030 INFO kablam! 
Sep 10 07:56:51.030 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 07:56:51.030 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Sep 10 07:56:51.030 INFO kablam!    |
Sep 10 07:56:51.030 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 10 07:56:51.030 INFO kablam!    |   ^^^^^
Sep 10 07:56:51.030 INFO kablam!    |
Sep 10 07:56:51.030 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:51.030 INFO kablam! 
Sep 10 07:56:51.030 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 07:56:51.030 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Sep 10 07:56:51.030 INFO kablam!    |
Sep 10 07:56:51.030 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 10 07:56:51.030 INFO kablam!    |   ^^^^^
Sep 10 07:56:51.030 INFO kablam!    |
Sep 10 07:56:51.030 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:51.030 INFO kablam! 
Sep 10 07:56:51.030 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 07:56:51.030 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Sep 10 07:56:51.030 INFO kablam!    |
Sep 10 07:56:51.030 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 10 07:56:51.030 INFO kablam!    |   ^^^^^
Sep 10 07:56:51.030 INFO kablam!    |
Sep 10 07:56:51.030 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:51.030 INFO kablam! 
Sep 10 07:56:51.030 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 07:56:51.030 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 10 07:56:51.031 INFO kablam!    |
Sep 10 07:56:51.031 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 10 07:56:51.031 INFO kablam!    |   ^^^^^
Sep 10 07:56:51.031 INFO kablam!    |
Sep 10 07:56:51.031 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:51.031 INFO kablam! 
Sep 10 07:56:51.031 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 07:56:51.031 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 10 07:56:51.031 INFO kablam!    |
Sep 10 07:56:51.031 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 10 07:56:51.031 INFO kablam!    |   ^^^^^
Sep 10 07:56:51.031 INFO kablam!    |
Sep 10 07:56:51.031 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:51.031 INFO kablam! 
Sep 10 07:56:51.083 INFO kablam! error: aborting due to 7 previous errors
Sep 10 07:56:51.083 INFO kablam! 
Sep 10 07:56:51.083 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 07:56:51.099 INFO kablam! error: Could not compile `log4rs`.
Sep 10 07:56:51.099 INFO kablam! 
Sep 10 07:56:51.099 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 07:56:51.101 INFO kablam! su: No module specific data is present
Sep 10 07:56:51.711 INFO running `"docker" "rm" "-f" "b863da87998d09a968e4fb052feda95f3c169166f43f116fbc534af75a3631ae"`
Sep 10 07:56:51.797 INFO blam! b863da87998d09a968e4fb052feda95f3c169166f43f116fbc534af75a3631ae