Sep 06 00:31:00.797 INFO checking safe_vault-0.18.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 00:31:00.797 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 00:31:00.798 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 00:31:01.017 INFO blam! 0f3cc08b89cdfc7b7845982cad0ba9087bc0d3dd06f39125c24752297953d820
Sep 06 00:31:01.018 INFO running `"docker" "start" "-a" "0f3cc08b89cdfc7b7845982cad0ba9087bc0d3dd06f39125c24752297953d820"`
Sep 06 00:31:02.674 INFO kablam! usermod: no changes
Sep 06 00:31:02.714 INFO kablam! warning: An explicit [[test]] section is specified in Cargo.toml which currently
Sep 06 00:31:02.714 INFO kablam! disables Cargo from automatically inferring other test targets.
Sep 06 00:31:02.714 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Sep 06 00:31:02.714 INFO kablam! files will be included as a test target:
Sep 06 00:31:02.714 INFO kablam! 
Sep 06 00:31:02.714 INFO kablam! * /source/tests/data_manager.rs
Sep 06 00:31:02.714 INFO kablam! * /source/tests/maid_manager.rs
Sep 06 00:31:02.714 INFO kablam! * /source/tests/network.rs
Sep 06 00:31:02.714 INFO kablam! 
Sep 06 00:31:02.714 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Sep 06 00:31:02.714 INFO kablam! ready to be compiled as a test target today. You can future-proof yourself
Sep 06 00:31:02.714 INFO kablam! and disable this warning by adding `autotests = false` to your [package]
Sep 06 00:31:02.714 INFO kablam! section. You may also move the files to a location where Cargo would not
Sep 06 00:31:02.714 INFO kablam! automatically infer them to be a target, such as in subfolders.
Sep 06 00:31:02.714 INFO kablam! 
Sep 06 00:31:02.714 INFO kablam! For more information on this warning you can consult
Sep 06 00:31:02.714 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Sep 06 00:31:03.014 INFO kablam!     Checking tiny-keccak v1.3.1
Sep 06 00:31:03.015 INFO kablam!     Checking fake_clock v0.2.0
Sep 06 00:31:03.017 INFO kablam!    Compiling safe_vault v0.18.0 (file:///source)
Sep 06 00:31:03.017 INFO kablam!     Checking lru_time_cache v0.7.0
Sep 06 00:31:03.018 INFO kablam!    Compiling miniz_oxide v0.1.3
Sep 06 00:31:03.022 INFO kablam!     Checking atty v0.2.2
Sep 06 00:31:03.028 INFO kablam!     Checking termion v1.4.0
Sep 06 00:31:03.037 INFO kablam!     Checking get_if_addrs v0.4.1
Sep 06 00:31:03.813 INFO kablam!     Checking bytes v0.4.10
Sep 06 00:31:04.958 INFO kablam!     Checking textwrap v0.6.0
Sep 06 00:31:05.186 INFO kablam!    Compiling crc v1.8.1
Sep 06 00:31:05.318 INFO kablam!    Compiling bzip2-sys v0.1.6
Sep 06 00:31:05.564 INFO kablam!     Checking url v1.5.1
Sep 06 00:31:06.410 INFO kablam!     Checking accumulator v0.7.0
Sep 06 00:31:06.642 INFO kablam!    Compiling flate2 v0.2.20
Sep 06 00:31:06.848 INFO kablam!     Checking bincode v0.8.0
Sep 06 00:31:07.254 INFO kablam!     Checking config_file_handler v0.9.0
Sep 06 00:31:08.494 INFO kablam!    Compiling bzip2 v0.3.3
Sep 06 00:31:08.508 INFO kablam!     Checking clap v2.25.1
Sep 06 00:31:09.430 INFO kablam!     Checking log4rs v0.7.0
Sep 06 00:31:12.930 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 06 00:31:12.931 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 06 00:31:12.931 INFO kablam!    |   ^^^^^
Sep 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 00:31:12.931 INFO kablam! 
Sep 06 00:31:12.931 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 06 00:31:12.931 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 06 00:31:12.931 INFO kablam!    |   ^^^^^
Sep 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 00:31:12.931 INFO kablam! 
Sep 06 00:31:12.931 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 06 00:31:12.931 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 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 06 00:31:12.931 INFO kablam!    |   ^^^^^
Sep 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 00:31:12.931 INFO kablam! 
Sep 06 00:31:12.931 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 06 00:31:12.931 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 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 06 00:31:12.931 INFO kablam!    |   ^^^^^
Sep 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 00:31:12.931 INFO kablam! 
Sep 06 00:31:12.931 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 06 00:31:12.931 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 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 06 00:31:12.931 INFO kablam!    |   ^^^^^
Sep 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 00:31:12.931 INFO kablam! 
Sep 06 00:31:12.931 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 06 00:31:12.931 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 06 00:31:12.931 INFO kablam!    |   ^^^^^
Sep 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 00:31:12.931 INFO kablam! 
Sep 06 00:31:12.931 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 06 00:31:12.931 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 06 00:31:12.931 INFO kablam!    |   ^^^^^
Sep 06 00:31:12.931 INFO kablam!    |
Sep 06 00:31:12.931 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 00:31:12.931 INFO kablam! 
Sep 06 00:31:13.152 INFO kablam! error: aborting due to 7 previous errors
Sep 06 00:31:13.158 INFO kablam! 
Sep 06 00:31:13.158 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 06 00:31:13.190 INFO kablam! error: Could not compile `log4rs`.
Sep 06 00:31:13.190 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 00:31:19.833 INFO kablam! error: build failed
Sep 06 00:31:19.842 INFO kablam! su: No module specific data is present
Sep 06 00:31:20.610 INFO running `"docker" "rm" "-f" "0f3cc08b89cdfc7b7845982cad0ba9087bc0d3dd06f39125c24752297953d820"`
Sep 06 00:31:20.723 INFO blam! 0f3cc08b89cdfc7b7845982cad0ba9087bc0d3dd06f39125c24752297953d820