Sep 01 07:37:57.957 INFO checking safe_authenticator-0.8.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 07:37:57.957 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 07:37:57.957 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 07:37:58.094 INFO blam! 3e39a938df54df057c0bd429714958427637a39bf7f1a58d038ecee5fc367e7f
Sep 01 07:37:58.096 INFO running `"docker" "start" "-a" "3e39a938df54df057c0bd429714958427637a39bf7f1a58d038ecee5fc367e7f"`
Sep 01 07:37:59.077 INFO kablam!    Compiling linked-hash-map v0.5.1
Sep 01 07:37:59.079 INFO kablam!    Compiling byteorder v1.1.0
Sep 01 07:37:59.081 INFO kablam!    Compiling log-mdc v0.1.0
Sep 01 07:37:59.082 INFO kablam!    Compiling antidote v1.0.0
Sep 01 07:37:59.082 INFO kablam!    Compiling sha1 v0.2.0
Sep 01 07:37:59.082 INFO kablam!    Compiling crossbeam v0.2.12
Sep 01 07:37:59.083 INFO kablam!    Compiling unicode-segmentation v1.1.0
Sep 01 07:37:59.083 INFO kablam!    Compiling ascii v0.7.1
Sep 01 07:38:00.513 INFO kablam!    Compiling c_linked_list v1.1.1
Sep 01 07:38:00.524 INFO kablam!    Compiling jni-sys v0.3.0
Sep 01 07:38:01.482 INFO kablam!    Compiling cesu8 v1.1.0
Sep 01 07:38:01.488 INFO kablam!    Compiling tiny-keccak v1.3.1
Sep 01 07:38:04.288 INFO kablam!    Compiling fake_clock v0.2.0
Sep 01 07:38:04.297 INFO kablam!    Compiling hex v0.2.0
Sep 01 07:38:04.305 INFO kablam!    Compiling lru_time_cache v0.7.0
Sep 01 07:38:04.334 INFO kablam!    Compiling term_size v0.3.1
Sep 01 07:38:04.350 INFO kablam!    Compiling fs2 v0.4.3
Sep 01 07:38:04.371 INFO kablam!    Compiling atty v0.2.2
Sep 01 07:38:05.086 INFO kablam!    Compiling termion v1.4.0
Sep 01 07:38:05.805 INFO kablam!    Compiling unreachable v0.1.1
Sep 01 07:38:05.929 INFO kablam!    Compiling unsafe-any v0.4.2
Sep 01 07:38:06.131 INFO kablam!    Compiling thread_local v0.3.6
Sep 01 07:38:06.926 INFO kablam!    Compiling walkdir v2.0.1
Sep 01 07:38:07.013 INFO kablam!     Checking base64 v0.9.2
Sep 01 07:38:07.016 INFO kablam!    Compiling yaml-rust v0.4.0
Sep 01 07:38:07.130 INFO kablam!    Compiling base64 v0.6.0
Sep 01 07:38:11.266 INFO kablam!    Compiling toml v0.3.2
Sep 01 07:38:11.275 INFO kablam!    Compiling get_if_addrs v0.4.1
Sep 01 07:38:11.287 INFO kablam!    Compiling itertools v0.6.5
Sep 01 07:38:12.899 INFO kablam!    Compiling combine v2.5.2
Sep 01 07:38:19.162 INFO kablam!    Compiling bytes v0.4.9
Sep 01 07:38:19.255 INFO kablam!    Compiling textwrap v0.6.0
Sep 01 07:38:22.187 INFO kablam!    Compiling typemap v0.3.3
Sep 01 07:38:26.474 INFO kablam!    Compiling xmltree v0.3.2
Sep 01 07:38:26.506 INFO kablam!    Compiling jni v0.10.1
Sep 01 07:38:29.049 INFO kablam!    Compiling regex v0.2.11
Sep 01 07:38:29.526 INFO kablam!    Compiling regex v1.0.4
Sep 01 07:38:29.781 INFO kablam!    Compiling num-integer v0.1.39
Sep 01 07:38:30.537 INFO kablam!    Compiling strings v0.1.1
Sep 01 07:38:31.439 INFO kablam!     Checking brotli-sys v0.3.0
Sep 01 07:38:31.507 INFO kablam!     Checking crossbeam-deque v0.6.1
Sep 01 07:38:32.869 INFO kablam!     Checking clap v2.25.1
Sep 01 07:38:35.004 INFO kablam!     Checking tokio-io v0.1.8
Sep 01 07:38:35.099 INFO kablam!    Compiling ordered-float v0.5.0
Sep 01 07:38:38.464 INFO kablam!    Compiling ws v0.7.3
Sep 01 07:38:38.478 INFO kablam!    Compiling hyper v0.10.13
Sep 01 07:38:38.556 INFO kablam!     Checking brotli2 v0.3.0
Sep 01 07:38:40.106 INFO kablam!     Checking tokio-threadpool v0.1.6
Sep 01 07:39:04.365 INFO kablam!    Compiling num-iter v0.1.37
Sep 01 07:39:04.509 INFO kablam!    Compiling num-bigint v0.1.44
Sep 01 07:39:04.856 INFO kablam!    Compiling flate2 v1.0.2
Sep 01 07:39:04.859 INFO kablam!     Checking tokio-codec v0.1.0
Sep 01 07:39:04.951 INFO kablam!     Checking tokio-reactor v0.1.5
Sep 01 07:39:13.571 INFO kablam!     Checking tokio-fs v0.1.3
Sep 01 07:39:13.924 INFO kablam!     Checking resource_proof v0.5.0
Sep 01 07:39:14.021 INFO kablam!    Compiling Inflector v0.11.3
Sep 01 07:39:15.345 INFO kablam!    Compiling serde v1.0.75
Sep 01 07:39:20.987 INFO kablam!    Compiling env_logger v0.4.3
Sep 01 07:39:21.026 INFO kablam!    Compiling num v0.1.42
Sep 01 07:39:21.072 INFO kablam!     Checking tokio-tcp v0.1.1
Sep 01 07:39:23.992 INFO kablam!     Checking tokio-udp v0.1.2
Sep 01 07:39:26.493 INFO kablam!     Checking tokio-uds v0.2.1
Sep 01 07:39:26.514 INFO kablam!    Compiling zip v0.2.8
Sep 01 07:39:42.094 INFO kablam!     Checking serde-value v0.5.2
Sep 01 07:39:42.993 INFO kablam!     Checking serde_yaml v0.7.5
Sep 01 07:39:43.134 INFO kablam!     Checking bincode v0.8.0
Sep 01 07:39:43.570 INFO kablam!     Checking chrono v0.4.6
Sep 01 07:39:43.853 INFO kablam!    Compiling igd v0.6.0
Sep 01 07:39:46.757 INFO kablam!    Compiling chrono v0.3.0
Sep 01 07:39:53.714 INFO kablam!     Checking tokio v0.1.8
Sep 01 07:39:53.811 INFO kablam!    Compiling rust_sodium-sys v0.7.2
Sep 01 07:39:53.862 INFO kablam!     Checking config_file_handler v0.9.0
Sep 01 07:39:55.844 INFO kablam!     Checking ffi_utils v0.6.0
Sep 01 07:39:57.126 INFO kablam!     Checking log4rs v0.7.0
Sep 01 07:40:00.784 INFO kablam!     Checking tokio-core v0.1.17
Sep 01 07:40:01.307 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 07:40:01.307 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 01 07:40:01.307 INFO kablam!    |
Sep 01 07:40:01.307 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 01 07:40:01.307 INFO kablam!    |   ^^^^^
Sep 01 07:40:01.307 INFO kablam!    |
Sep 01 07:40:01.307 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:01.307 INFO kablam! 
Sep 01 07:40:01.308 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 07:40:01.308 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 01 07:40:01.308 INFO kablam!    |
Sep 01 07:40:01.308 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 07:40:01.308 INFO kablam!    |   ^^^^^
Sep 01 07:40:01.308 INFO kablam!    |
Sep 01 07:40:01.308 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:01.308 INFO kablam! 
Sep 01 07:40:01.308 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 07:40:01.308 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 07:40:01.308 INFO kablam!    |
Sep 01 07:40:01.308 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 01 07:40:01.308 INFO kablam!    |   ^^^^^
Sep 01 07:40:01.308 INFO kablam!    |
Sep 01 07:40:01.308 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:01.308 INFO kablam! 
Sep 01 07:40:01.309 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 07:40:01.309 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 07:40:01.309 INFO kablam!    |
Sep 01 07:40:01.309 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 01 07:40:01.309 INFO kablam!    |   ^^^^^
Sep 01 07:40:01.309 INFO kablam!    |
Sep 01 07:40:01.309 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:01.309 INFO kablam! 
Sep 01 07:40:01.309 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 07:40:01.309 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 07:40:01.309 INFO kablam!    |
Sep 01 07:40:01.309 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 01 07:40:01.309 INFO kablam!    |   ^^^^^
Sep 01 07:40:01.309 INFO kablam!    |
Sep 01 07:40:01.309 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:01.309 INFO kablam! 
Sep 01 07:40:01.309 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 07:40:01.309 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 07:40:01.309 INFO kablam!    |
Sep 01 07:40:01.309 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 07:40:01.309 INFO kablam!    |   ^^^^^
Sep 01 07:40:01.309 INFO kablam!    |
Sep 01 07:40:01.309 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:01.309 INFO kablam! 
Sep 01 07:40:01.309 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 07:40:01.309 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 01 07:40:01.309 INFO kablam!    |
Sep 01 07:40:01.309 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 01 07:40:01.309 INFO kablam!    |   ^^^^^
Sep 01 07:40:01.309 INFO kablam!    |
Sep 01 07:40:01.309 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:40:01.310 INFO kablam! 
Sep 01 07:40:01.438 INFO kablam! error: aborting due to 7 previous errors
Sep 01 07:40:01.438 INFO kablam! 
Sep 01 07:40:01.438 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 07:40:01.449 INFO kablam! error: Could not compile `log4rs`.
Sep 01 07:40:01.449 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 07:40:53.255 INFO kablam! error: build failed
Sep 01 07:40:53.257 INFO kablam! su: No module specific data is present
Sep 01 07:40:53.676 INFO running `"docker" "rm" "-f" "3e39a938df54df057c0bd429714958427637a39bf7f1a58d038ecee5fc367e7f"`
Sep 01 07:40:53.783 INFO blam! 3e39a938df54df057c0bd429714958427637a39bf7f1a58d038ecee5fc367e7f