Sep 01 07:37:58.190 INFO checking safe_authenticator-0.8.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 07:37:58.190 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 07:37:58.191 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 07:37:58.378 INFO blam! b8c118ef71bf0942808479c073b01276c5f82baa5dae84ac1b5d469742cbe727
Sep 01 07:37:58.380 INFO running `"docker" "start" "-a" "b8c118ef71bf0942808479c073b01276c5f82baa5dae84ac1b5d469742cbe727"`
Sep 01 07:37:59.414 INFO kablam!    Compiling linked-hash-map v0.5.1
Sep 01 07:37:59.417 INFO kablam!    Compiling log-mdc v0.1.0
Sep 01 07:37:59.418 INFO kablam!    Compiling sha1 v0.2.0
Sep 01 07:37:59.418 INFO kablam!    Compiling crossbeam v0.2.12
Sep 01 07:37:59.419 INFO kablam!    Compiling ascii v0.7.1
Sep 01 07:37:59.419 INFO kablam!    Compiling c_linked_list v1.1.1
Sep 01 07:37:59.420 INFO kablam!    Compiling unicode-segmentation v1.1.0
Sep 01 07:37:59.420 INFO kablam!    Compiling tiny-keccak v1.3.1
Sep 01 07:38:00.965 INFO kablam!    Compiling jni-sys v0.3.0
Sep 01 07:38:01.382 INFO kablam!    Compiling cesu8 v1.1.0
Sep 01 07:38:01.991 INFO kablam!    Compiling lru_time_cache v0.7.0
Sep 01 07:38:02.042 INFO kablam!    Compiling fake_clock v0.2.0
Sep 01 07:38:04.598 INFO kablam!    Compiling hex v0.2.0
Sep 01 07:38:04.608 INFO kablam!    Compiling fs2 v0.4.3
Sep 01 07:38:04.629 INFO kablam!    Compiling term_size v0.3.1
Sep 01 07:38:04.630 INFO kablam!    Compiling atty v0.2.2
Sep 01 07:38:04.634 INFO kablam!    Compiling termion v1.4.0
Sep 01 07:38:04.650 INFO kablam!    Compiling unreachable v0.1.1
Sep 01 07:38:04.686 INFO kablam!    Compiling brotli-sys v0.3.0
Sep 01 07:38:05.938 INFO kablam!    Compiling unsafe-any v0.4.2
Sep 01 07:38:06.123 INFO kablam!    Compiling walkdir v2.0.1
Sep 01 07:38:06.251 INFO kablam!    Compiling base64 v0.6.0
Sep 01 07:38:07.356 INFO kablam!    Compiling base64 v0.9.2
Sep 01 07:38:07.451 INFO kablam!    Compiling thread_local v0.3.6
Sep 01 07:38:07.715 INFO kablam!    Compiling itertools v0.6.5
Sep 01 07:38:11.942 INFO kablam!    Compiling toml v0.3.2
Sep 01 07:38:11.945 INFO kablam!    Compiling get_if_addrs v0.4.1
Sep 01 07:38:11.961 INFO kablam!     Checking combine v2.5.2
Sep 01 07:38:11.963 INFO kablam!    Compiling yaml-rust v0.4.0
Sep 01 07:38:12.027 INFO kablam!    Compiling bytes v0.4.9
Sep 01 07:38:16.297 INFO kablam!    Compiling textwrap v0.6.0
Sep 01 07:38:23.506 INFO kablam!    Compiling xmltree v0.3.2
Sep 01 07:38:24.466 INFO kablam!    Compiling typemap v0.3.3
Sep 01 07:38:28.180 INFO kablam!    Compiling jni v0.10.1
Sep 01 07:38:28.260 INFO kablam!    Compiling regex v0.2.11
Sep 01 07:38:28.363 INFO kablam!    Compiling regex v1.0.4
Sep 01 07:38:30.749 INFO kablam!    Compiling strings v0.1.1
Sep 01 07:38:30.985 INFO kablam!    Compiling url v1.5.1
Sep 01 07:38:31.417 INFO kablam!     Checking clap v2.25.1
Sep 01 07:38:40.298 INFO kablam!     Checking tokio-io v0.1.8
Sep 01 07:38:58.939 INFO kablam!    Compiling miniz_oxide_c_api v0.1.3
Sep 01 07:38:59.198 INFO kablam!    Compiling bzip2 v0.3.3
Sep 01 07:38:59.234 INFO kablam!    Compiling flate2 v0.2.20
Sep 01 07:38:59.283 INFO kablam!    Compiling ordered-float v0.5.0
Sep 01 07:38:59.533 INFO kablam!     Checking tokio-threadpool v0.1.6
Sep 01 07:38:59.856 INFO kablam!     Checking tokio-codec v0.1.0
Sep 01 07:39:01.845 INFO kablam!    Compiling hyper v0.10.13
Sep 01 07:39:02.129 INFO kablam!    Compiling ws v0.7.3
Sep 01 07:39:05.466 INFO kablam!    Compiling env_logger v0.4.3
Sep 01 07:39:06.563 INFO kablam!     Checking resource_proof v0.5.0
Sep 01 07:39:06.623 INFO kablam!    Compiling num v0.1.42
Sep 01 07:39:08.173 INFO kablam!     Checking tokio-reactor v0.1.5
Sep 01 07:39:08.254 INFO kablam!    Compiling Inflector v0.11.3
Sep 01 07:39:11.622 INFO kablam!     Checking brotli2 v0.3.0
Sep 01 07:39:15.006 INFO kablam!    Compiling flate2 v1.0.2
Sep 01 07:39:15.008 INFO kablam!     Checking tokio-fs v0.1.3
Sep 01 07:39:15.024 INFO kablam!    Compiling serde v1.0.75
Sep 01 07:39:19.595 INFO kablam!    Compiling chrono v0.3.0
Sep 01 07:39:23.158 INFO kablam!     Checking tokio-udp v0.1.2
Sep 01 07:39:23.909 INFO kablam!     Checking tokio-uds v0.2.1
Sep 01 07:39:50.080 INFO kablam!     Checking tokio-tcp v0.1.1
Sep 01 07:39:50.231 INFO kablam!     Checking serde_yaml v0.7.5
Sep 01 07:39:50.294 INFO kablam!     Checking serde-value v0.5.2
Sep 01 07:39:50.317 INFO kablam!     Checking bincode v0.8.0
Sep 01 07:39:50.436 INFO kablam!     Checking chrono v0.4.6
Sep 01 07:39:53.780 INFO kablam!    Compiling zip v0.2.8
Sep 01 07:39:55.235 INFO kablam!     Checking igd v0.6.0
Sep 01 07:39:55.390 INFO kablam!     Checking ffi_utils v0.6.0
Sep 01 07:39:56.736 INFO kablam!     Checking config_file_handler v0.9.0
Sep 01 07:39:57.387 INFO kablam!     Checking tokio v0.1.8
Sep 01 07:40:00.321 INFO kablam!     Checking log4rs v0.7.0
Sep 01 07:40:00.376 INFO kablam!    Compiling rust_sodium-sys v0.7.2
Sep 01 07:40:03.929 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 01 07:40:03.929 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 01 07:40:03.929 INFO kablam!    |
Sep 01 07:40:03.929 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 01 07:40:03.929 INFO kablam!    |   ^^^^^
Sep 01 07:40:03.929 INFO kablam!    |
Sep 01 07:40:03.929 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:03.929 INFO kablam! 
Sep 01 07:40:03.930 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 01 07:40:03.931 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 01 07:40:03.931 INFO kablam!    |
Sep 01 07:40:03.931 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 07:40:03.931 INFO kablam!    |   ^^^^^
Sep 01 07:40:03.931 INFO kablam!    |
Sep 01 07:40:03.931 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:03.931 INFO kablam! 
Sep 01 07:40:03.931 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 01 07:40:03.931 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 01 07:40:03.931 INFO kablam!    |
Sep 01 07:40:03.931 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 01 07:40:03.931 INFO kablam!    |   ^^^^^
Sep 01 07:40:03.931 INFO kablam!    |
Sep 01 07:40:03.931 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:03.931 INFO kablam! 
Sep 01 07:40:03.931 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 01 07:40:03.931 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 01 07:40:03.931 INFO kablam!    |
Sep 01 07:40:03.931 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 01 07:40:03.931 INFO kablam!    |   ^^^^^
Sep 01 07:40:03.931 INFO kablam!    |
Sep 01 07:40:03.931 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:03.931 INFO kablam! 
Sep 01 07:40:03.932 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 01 07:40:03.932 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 01 07:40:03.932 INFO kablam!    |
Sep 01 07:40:03.932 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 01 07:40:03.932 INFO kablam!    |   ^^^^^
Sep 01 07:40:03.932 INFO kablam!    |
Sep 01 07:40:03.932 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:03.932 INFO kablam! 
Sep 01 07:40:03.932 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 01 07:40:03.932 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 01 07:40:03.932 INFO kablam!    |
Sep 01 07:40:03.932 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 07:40:03.932 INFO kablam!    |   ^^^^^
Sep 01 07:40:03.932 INFO kablam!    |
Sep 01 07:40:03.932 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:03.932 INFO kablam! 
Sep 01 07:40:03.934 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 01 07:40:03.934 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 01 07:40:03.934 INFO kablam!    |
Sep 01 07:40:03.934 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 01 07:40:03.934 INFO kablam!    |   ^^^^^
Sep 01 07:40:03.934 INFO kablam!    |
Sep 01 07:40:03.934 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:03.934 INFO kablam! 
Sep 01 07:40:04.044 INFO kablam!     Checking tokio-core v0.1.17
Sep 01 07:40:04.064 INFO kablam! error: aborting due to 7 previous errors
Sep 01 07:40:04.064 INFO kablam! 
Sep 01 07:40:04.064 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 07:40:04.073 INFO kablam! error: Could not compile `log4rs`.
Sep 01 07:40:04.073 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 07:40:07.469 INFO kablam! error: build failed
Sep 01 07:40:07.472 INFO kablam! su: No module specific data is present
Sep 01 07:40:07.924 INFO running `"docker" "rm" "-f" "b8c118ef71bf0942808479c073b01276c5f82baa5dae84ac1b5d469742cbe727"`
Sep 01 07:40:08.013 INFO blam! b8c118ef71bf0942808479c073b01276c5f82baa5dae84ac1b5d469742cbe727