Sep 10 10:23:08.527 INFO checking safe_crypto-0.3.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 10:23:08.527 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 10:23:08.527 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/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 10:23:08.714 INFO blam! f1e19bee17469c3371ea9f36e995143a6552d6733f27042615a03dbbe3e46581
Sep 10 10:23:08.717 INFO running `"docker" "start" "-a" "f1e19bee17469c3371ea9f36e995143a6552d6733f27042615a03dbbe3e46581"`
Sep 10 10:23:09.482 INFO kablam! usermod: no changes
Sep 10 10:23:09.987 INFO kablam!    Compiling stable_deref_trait v1.1.1
Sep 10 10:23:09.990 INFO kablam!    Compiling crossbeam-utils v0.5.0
Sep 10 10:23:09.990 INFO kablam!    Compiling slab v0.4.1
Sep 10 10:23:09.990 INFO kablam!    Compiling futures v0.1.24
Sep 10 10:23:09.990 INFO kablam!    Compiling lazycell v1.0.0
Sep 10 10:23:10.006 INFO kablam!    Compiling scoped-tls v0.1.2
Sep 10 10:23:10.006 INFO kablam!    Compiling try-lock v0.1.0
Sep 10 10:23:10.068 INFO kablam!    Compiling net2 v0.2.33
Sep 10 10:23:10.934 INFO kablam!    Compiling encoding_rs v0.8.6
Sep 10 10:23:10.941 INFO kablam!     Checking thread_local v0.3.6
Sep 10 10:23:11.022 INFO kablam!    Compiling uuid v0.6.5
Sep 10 10:23:11.546 INFO kablam!    Compiling owning_ref v0.3.3
Sep 10 10:23:11.766 INFO kablam!    Compiling unicase v2.1.0
Sep 10 10:23:12.606 INFO kablam!    Compiling url v1.5.1
Sep 10 10:23:14.631 INFO kablam!    Compiling serde_json v1.0.27
Sep 10 10:23:14.687 INFO kablam!     Checking toml v0.4.6
Sep 10 10:23:15.474 INFO kablam!    Compiling crossbeam-epoch v0.5.2
Sep 10 10:23:17.825 INFO kablam!    Compiling openssl v0.9.24
Sep 10 10:23:20.645 INFO kablam!    Compiling libflate v0.1.16
Sep 10 10:23:30.154 INFO kablam!     Checking regex v0.2.11
Sep 10 10:23:30.218 INFO kablam!     Checking bincode v0.8.0
Sep 10 10:23:30.326 INFO kablam!    Compiling mio v0.6.16
Sep 10 10:23:43.166 INFO kablam!     Checking config_file_handler v0.9.0
Sep 10 10:23:43.310 INFO kablam!    Compiling lock_api v0.1.3
Sep 10 10:23:43.311 INFO kablam!    Compiling parking_lot_core v0.3.1
Sep 10 10:23:43.455 INFO kablam!    Compiling phf v0.7.23
Sep 10 10:23:43.648 INFO kablam!    Compiling mime v0.3.9
Sep 10 10:23:51.990 INFO kablam!    Compiling flate2 v1.0.2
Sep 10 10:23:51.990 INFO kablam!    Compiling crossbeam-deque v0.6.1
Sep 10 10:23:52.006 INFO kablam!     Checking serde-value v0.5.2
Sep 10 10:23:52.006 INFO kablam!    Compiling serde_urlencoded v0.5.3
Sep 10 10:23:52.006 INFO kablam!    Compiling tokio-io v0.1.8
Sep 10 10:23:52.030 INFO kablam!    Compiling tokio-executor v0.1.4
Sep 10 10:23:52.086 INFO kablam!    Compiling tokio-service v0.1.0
Sep 10 10:23:53.750 INFO kablam!    Compiling relay v0.1.1
Sep 10 10:23:56.100 INFO kablam!    Compiling futures-cpupool v0.1.8
Sep 10 10:23:56.118 INFO kablam!    Compiling want v0.0.4
Sep 10 10:23:56.206 INFO kablam!    Compiling mio-uds v0.6.7
Sep 10 10:23:57.462 INFO kablam!    Compiling native-tls v0.1.5
Sep 10 10:23:57.530 INFO kablam!    Compiling parking_lot v0.6.4
Sep 10 10:24:02.502 INFO kablam!    Compiling tokio-threadpool v0.1.6
Sep 10 10:24:02.502 INFO kablam!    Compiling tokio-current-thread v0.1.1
Sep 10 10:24:02.521 INFO kablam!    Compiling tokio-timer v0.2.6
Sep 10 10:24:02.522 INFO kablam!     Checking log4rs v0.7.0
Sep 10 10:24:02.555 INFO kablam!    Compiling tokio-codec v0.1.0
Sep 10 10:24:02.658 INFO kablam!    Compiling zip v0.3.3
Sep 10 10:24:07.053 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 10:24:07.053 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 10 10:24:07.053 INFO kablam!    |
Sep 10 10:24:07.053 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 10 10:24:07.053 INFO kablam!    |   ^^^^^
Sep 10 10:24:07.062 INFO kablam!    |
Sep 10 10:24:07.062 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:24:07.062 INFO kablam! 
Sep 10 10:24:07.063 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 10:24:07.063 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 10 10:24:07.063 INFO kablam!    |
Sep 10 10:24:07.063 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 10 10:24:07.063 INFO kablam!    |   ^^^^^
Sep 10 10:24:07.063 INFO kablam!    |
Sep 10 10:24:07.063 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:24:07.064 INFO kablam! 
Sep 10 10:24:07.064 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 10:24:07.064 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 10:24:07.064 INFO kablam!    |
Sep 10 10:24:07.064 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 10 10:24:07.064 INFO kablam!    |   ^^^^^
Sep 10 10:24:07.064 INFO kablam!    |
Sep 10 10:24:07.065 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:24:07.065 INFO kablam! 
Sep 10 10:24:07.065 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 10:24:07.065 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 10:24:07.065 INFO kablam!    |
Sep 10 10:24:07.065 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 10 10:24:07.065 INFO kablam!    |   ^^^^^
Sep 10 10:24:07.066 INFO kablam!    |
Sep 10 10:24:07.066 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:24:07.066 INFO kablam! 
Sep 10 10:24:07.067 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 10:24:07.067 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 10:24:07.067 INFO kablam!    |
Sep 10 10:24:07.067 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 10 10:24:07.067 INFO kablam!    |   ^^^^^
Sep 10 10:24:07.067 INFO kablam!    |
Sep 10 10:24:07.067 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:24:07.068 INFO kablam! 
Sep 10 10:24:07.068 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 10:24:07.068 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 10:24:07.068 INFO kablam!    |
Sep 10 10:24:07.068 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 10 10:24:07.068 INFO kablam!    |   ^^^^^
Sep 10 10:24:07.069 INFO kablam!    |
Sep 10 10:24:07.069 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:24:07.069 INFO kablam! 
Sep 10 10:24:07.069 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 10:24:07.069 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 10 10:24:07.069 INFO kablam!    |
Sep 10 10:24:07.069 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 10 10:24:07.069 INFO kablam!    |   ^^^^^
Sep 10 10:24:07.070 INFO kablam!    |
Sep 10 10:24:07.070 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:24:07.070 INFO kablam! 
Sep 10 10:24:07.378 INFO kablam! error: aborting due to 7 previous errors
Sep 10 10:24:07.378 INFO kablam! 
Sep 10 10:24:07.378 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 10:24:07.410 INFO kablam! error: Could not compile `log4rs`.
Sep 10 10:24:07.410 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 10:24:22.551 INFO kablam! error: build failed
Sep 10 10:24:22.554 INFO kablam! su: No module specific data is present
Sep 10 10:24:23.384 INFO running `"docker" "rm" "-f" "f1e19bee17469c3371ea9f36e995143a6552d6733f27042615a03dbbe3e46581"`
Sep 10 10:24:23.499 INFO blam! f1e19bee17469c3371ea9f36e995143a6552d6733f27042615a03dbbe3e46581