Sep 10 07:55:45.237 INFO checking test-data-generation-0.0.7 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 07:55:45.237 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 07:55:45.238 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 07:55:45.374 INFO blam! a2c92aafc3c5a51d6ca2551f730e13a2e3b1574f63ac9a90529b4bf800c4ee87
Sep 10 07:55:45.376 INFO running `"docker" "start" "-a" "a2c92aafc3c5a51d6ca2551f730e13a2e3b1574f63ac9a90529b4bf800c4ee87"`
Sep 10 07:55:46.009 INFO kablam! usermod: no changes
Sep 10 07:55:46.038 INFO kablam! warning: profile `doc` is deprecated and has no effect
Sep 10 07:55:46.136 INFO kablam!    Compiling winapi-build v0.1.1
Sep 10 07:55:46.137 INFO kablam!    Compiling num-traits v0.2.5
Sep 10 07:55:46.141 INFO kablam!    Compiling num-integer v0.1.39
Sep 10 07:55:46.142 INFO kablam!    Compiling proc-macro2 v0.4.19
Sep 10 07:55:46.146 INFO kablam!     Checking winapi v0.2.8
Sep 10 07:55:46.146 INFO kablam!    Compiling cc v1.0.24
Sep 10 07:55:46.146 INFO kablam!    Compiling num-iter v0.1.37
Sep 10 07:55:46.146 INFO kablam!    Compiling version_check v0.1.4
Sep 10 07:55:49.378 INFO kablam!    Compiling unicode-xid v0.1.0
Sep 10 07:55:49.563 INFO kablam!     Checking libc v0.2.43
Sep 10 07:55:49.798 INFO kablam!    Compiling serde v1.0.78
Sep 10 07:55:49.887 INFO kablam!     Checking void v1.0.2
Sep 10 07:55:49.887 INFO kablam!     Checking serde v0.8.23
Sep 10 07:55:50.130 INFO kablam!    Compiling ryu v0.2.6
Sep 10 07:55:50.490 INFO kablam!     Checking linked-hash-map v0.5.1
Sep 10 07:55:50.674 INFO kablam!     Checking utf8-ranges v0.1.3
Sep 10 07:55:53.578 INFO kablam!     Checking traitobject v0.1.0
Sep 10 07:55:54.126 INFO kablam!     Checking regex-syntax v0.3.9
Sep 10 07:55:54.178 INFO kablam!     Checking cfg-if v0.1.5
Sep 10 07:55:54.402 INFO kablam!     Checking itoa v0.4.3
Sep 10 07:55:54.686 INFO kablam!     Checking lazy_static v0.2.11
Sep 10 07:55:55.240 INFO kablam!    Compiling regex v0.2.11
Sep 10 07:55:55.295 INFO kablam!     Checking dtoa v0.4.3
Sep 10 07:55:55.371 INFO kablam!     Checking quick-error v1.2.2
Sep 10 07:55:55.418 INFO kablam!     Checking ucd-util v0.1.1
Sep 10 07:55:55.428 INFO kablam!     Checking antidote v1.0.0
Sep 10 07:55:55.490 INFO kablam!     Checking fnv v1.0.6
Sep 10 07:55:56.323 INFO kablam!     Checking utf8-ranges v1.0.1
Sep 10 07:55:56.350 INFO kablam!     Checking log-mdc v0.1.0
Sep 10 07:55:56.370 INFO kablam!     Checking crossbeam v0.2.12
Sep 10 07:55:56.402 INFO kablam!     Checking yaml-rust v0.3.5
Sep 10 07:55:56.626 INFO kablam!     Checking crossbeam v0.3.2
Sep 10 07:55:56.734 INFO kablam!     Checking levenshtein v1.0.3
Sep 10 07:55:57.166 INFO kablam!    Compiling kernel32-sys v0.2.2
Sep 10 07:55:57.506 INFO kablam!    Compiling lazy_static v1.1.0
Sep 10 07:55:57.883 INFO kablam!     Checking unreachable v0.1.1
Sep 10 07:55:58.202 INFO kablam!     Checking yaml-rust v0.4.0
Sep 10 07:55:58.626 INFO kablam!     Checking unsafe-any v0.4.2
Sep 10 07:55:58.630 INFO kablam!     Checking log v0.4.5
Sep 10 07:55:58.817 INFO kablam!     Checking memchr v0.1.11
Sep 10 07:55:59.154 INFO kablam!     Checking time v0.1.40
Sep 10 07:55:59.412 INFO kablam!     Checking memchr v2.0.2
Sep 10 07:55:59.881 INFO kablam!     Checking memchr v1.0.2
Sep 10 07:56:00.033 INFO kablam!     Checking rand v0.4.3
Sep 10 07:56:00.173 INFO kablam!    Compiling miniz-sys v0.1.10
Sep 10 07:56:00.654 INFO kablam!     Checking humantime v1.1.1
Sep 10 07:56:01.014 INFO kablam!     Checking regex-syntax v0.5.6
Sep 10 07:56:04.678 INFO kablam!     Checking typemap v0.3.3
Sep 10 07:56:05.302 INFO kablam!     Checking aho-corasick v0.5.3
Sep 10 07:56:05.674 INFO kablam!     Checking log v0.3.9
Sep 10 07:56:05.726 INFO kablam!     Checking csv-core v0.1.4
Sep 10 07:56:06.903 INFO kablam!     Checking aho-corasick v0.6.8
Sep 10 07:56:06.922 INFO kablam!     Checking nom v3.2.1
Sep 10 07:56:09.150 INFO kablam!     Checking rand v0.3.22
Sep 10 07:56:09.494 INFO kablam!     Checking serde_test v0.8.23
Sep 10 07:56:09.896 INFO kablam!     Checking num-traits v0.1.43
Sep 10 07:56:10.162 INFO kablam!    Compiling quote v0.6.8
Sep 10 07:56:10.574 INFO kablam!     Checking thread-id v2.0.0
Sep 10 07:56:11.184 INFO kablam!     Checking ordered-float v0.5.0
Sep 10 07:56:11.206 INFO kablam!     Checking thread_local v0.3.6
Sep 10 07:56:12.451 INFO kablam!     Checking thread_local v0.2.7
Sep 10 07:56:13.003 INFO kablam!     Checking flate2 v0.2.20
Sep 10 07:56:13.490 INFO kablam!    Compiling syn v0.15.3
Sep 10 07:56:13.674 INFO kablam!     Checking linked-hash-map v0.3.0
Sep 10 07:56:13.762 INFO kablam!     Checking regex v0.1.80
Sep 10 07:56:13.996 INFO kablam!     Checking num v0.1.42
Sep 10 07:56:14.595 INFO kablam!     Checking chrono v0.3.0
Sep 10 07:56:20.229 INFO kablam!     Checking serde-hjson v0.8.1
Sep 10 07:56:25.286 INFO kablam!     Checking serde-value v0.5.2
Sep 10 07:56:25.286 INFO kablam!     Checking toml v0.4.6
Sep 10 07:56:25.286 INFO kablam!     Checking serde_json v1.0.27
Sep 10 07:56:25.286 INFO kablam!     Checking serde_yaml v0.7.5
Sep 10 07:56:25.286 INFO kablam!     Checking csv v1.0.1
Sep 10 07:56:32.974 INFO kablam!    Compiling serde_derive v1.0.78
Sep 10 07:56:33.562 INFO kablam!     Checking config v0.8.0
Sep 10 07:56:50.016 INFO kablam!     Checking log4rs v0.7.0
Sep 10 07:56:50.589 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 07:56:50.589 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 10 07:56:50.589 INFO kablam!    |
Sep 10 07:56:50.589 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 10 07:56:50.589 INFO kablam!    |   ^^^^^
Sep 10 07:56:50.589 INFO kablam!    |
Sep 10 07:56:50.589 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:50.589 INFO kablam! 
Sep 10 07:56:50.589 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 07:56:50.589 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 10 07:56:50.589 INFO kablam!    |
Sep 10 07:56:50.589 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 10 07:56:50.589 INFO kablam!    |   ^^^^^
Sep 10 07:56:50.589 INFO kablam!    |
Sep 10 07:56:50.589 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:50.589 INFO kablam! 
Sep 10 07:56:50.589 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 07:56:50.589 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 07:56:50.589 INFO kablam!    |
Sep 10 07:56:50.589 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 10 07:56:50.589 INFO kablam!    |   ^^^^^
Sep 10 07:56:50.589 INFO kablam!    |
Sep 10 07:56:50.589 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:50.589 INFO kablam! 
Sep 10 07:56:50.589 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 07:56:50.589 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 07:56:50.589 INFO kablam!    |
Sep 10 07:56:50.589 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 10 07:56:50.589 INFO kablam!    |   ^^^^^
Sep 10 07:56:50.589 INFO kablam!    |
Sep 10 07:56:50.590 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:50.590 INFO kablam! 
Sep 10 07:56:50.590 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 07:56:50.590 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 07:56:50.590 INFO kablam!    |
Sep 10 07:56:50.590 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 10 07:56:50.590 INFO kablam!    |   ^^^^^
Sep 10 07:56:50.590 INFO kablam!    |
Sep 10 07:56:50.590 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:50.590 INFO kablam! 
Sep 10 07:56:50.590 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 07:56:50.590 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 07:56:50.590 INFO kablam!    |
Sep 10 07:56:50.590 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 10 07:56:50.590 INFO kablam!    |   ^^^^^
Sep 10 07:56:50.590 INFO kablam!    |
Sep 10 07:56:50.590 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:50.590 INFO kablam! 
Sep 10 07:56:50.590 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 07:56:50.590 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 10 07:56:50.590 INFO kablam!    |
Sep 10 07:56:50.590 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 10 07:56:50.590 INFO kablam!    |   ^^^^^
Sep 10 07:56:50.590 INFO kablam!    |
Sep 10 07:56:50.590 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:56:50.590 INFO kablam! 
Sep 10 07:56:50.644 INFO kablam! error: aborting due to 7 previous errors
Sep 10 07:56:50.644 INFO kablam! 
Sep 10 07:56:50.644 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 07:56:50.656 INFO kablam! error: Could not compile `log4rs`.
Sep 10 07:56:50.656 INFO kablam! 
Sep 10 07:56:50.656 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 07:56:50.657 INFO kablam! su: No module specific data is present
Sep 10 07:56:51.125 INFO running `"docker" "rm" "-f" "a2c92aafc3c5a51d6ca2551f730e13a2e3b1574f63ac9a90529b4bf800c4ee87"`
Sep 10 07:56:51.214 INFO blam! a2c92aafc3c5a51d6ca2551f730e13a2e3b1574f63ac9a90529b4bf800c4ee87