Sep 10 01:35:20.400 INFO checking zmbush/megaprompt against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 01:35:20.400 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 01:35:20.400 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 01:35:20.644 INFO blam! c97502c98da837dd03e949ce1b19827f5e956d1572182460beb69450d30f57f3
Sep 10 01:35:20.645 INFO running `"docker" "start" "-a" "c97502c98da837dd03e949ce1b19827f5e956d1572182460beb69450d30f57f3"`
Sep 10 01:35:21.965 INFO kablam! usermod: no changes
Sep 10 01:35:22.142 INFO kablam!     Checking num-traits v0.2.0
Sep 10 01:35:22.142 INFO kablam!    Compiling cc v1.0.4
Sep 10 01:35:22.142 INFO kablam!    Compiling pkg-config v0.3.9
Sep 10 01:35:22.154 INFO kablam!     Checking libc v0.2.37
Sep 10 01:35:22.168 INFO kablam!     Checking rustc-serialize v0.3.24
Sep 10 01:35:22.174 INFO kablam!    Compiling unicode-xid v0.0.4
Sep 10 01:35:22.174 INFO kablam!     Checking void v1.0.2
Sep 10 01:35:22.174 INFO kablam!    Compiling quote v0.3.15
Sep 10 01:35:22.390 INFO kablam!     Checking matches v0.1.6
Sep 10 01:35:22.774 INFO kablam!     Checking unicode-normalization v0.1.5
Sep 10 01:35:23.586 INFO kablam!     Checking linked-hash-map v0.5.1
Sep 10 01:35:26.668 INFO kablam!     Checking traitobject v0.1.0
Sep 10 01:35:26.694 INFO kablam!     Checking itoa v0.3.4
Sep 10 01:35:26.742 INFO kablam!     Checking byteorder v1.2.1
Sep 10 01:35:26.974 INFO kablam!     Checking percent-encoding v1.0.1
Sep 10 01:35:27.554 INFO kablam!     Checking dtoa v0.4.2
Sep 10 01:35:27.854 INFO kablam!     Checking cfg-if v0.1.2
Sep 10 01:35:28.194 INFO kablam!     Checking quick-error v1.2.1
Sep 10 01:35:28.251 INFO kablam!     Checking serde v1.0.27
Sep 10 01:35:31.257 INFO kablam!     Checking openssl-probe v0.1.2
Sep 10 01:35:31.360 INFO kablam!     Checking ansi_term v0.10.2
Sep 10 01:35:31.422 INFO kablam!     Checking fnv v1.0.6
Sep 10 01:35:31.570 INFO kablam!     Checking bitflags v1.0.1
Sep 10 01:35:31.594 INFO kablam!     Checking crossbeam v0.3.2
Sep 10 01:35:31.754 INFO kablam!     Checking strsim v0.7.0
Sep 10 01:35:31.934 INFO kablam!     Checking log-mdc v0.1.0
Sep 10 01:35:32.127 INFO kablam!     Checking antidote v1.0.0
Sep 10 01:35:32.508 INFO kablam!     Checking unreachable v0.1.1
Sep 10 01:35:32.582 INFO kablam!     Checking unicode-bidi v0.3.4
Sep 10 01:35:32.706 INFO kablam!    Compiling synom v0.11.3
Sep 10 01:35:32.775 INFO kablam!     Checking yaml-rust v0.4.0
Sep 10 01:35:32.854 INFO kablam!     Checking unsafe-any v0.4.2
Sep 10 01:35:32.918 INFO kablam!     Checking textwrap v0.9.0
Sep 10 01:35:33.290 INFO kablam!     Checking num-integer v0.1.36
Sep 10 01:35:33.802 INFO kablam!     Checking num-traits v0.1.43
Sep 10 01:35:34.098 INFO kablam!     Checking humantime v1.1.0
Sep 10 01:35:34.499 INFO kablam!     Checking term v0.5.1
Sep 10 01:35:34.591 INFO kablam!    Compiling openssl-sys v0.9.26
Sep 10 01:35:34.823 INFO kablam!    Compiling cmake v0.1.29
Sep 10 01:35:35.834 INFO kablam!    Compiling libz-sys v1.0.18
Sep 10 01:35:35.844 INFO kablam!    Compiling miniz-sys v0.1.10
Sep 10 01:35:39.126 INFO kablam!    Compiling curl-sys v0.4.1
Sep 10 01:35:39.138 INFO kablam!     Checking rand v0.4.2
Sep 10 01:35:39.182 INFO kablam!     Checking time v0.1.39
Sep 10 01:35:39.274 INFO kablam!     Checking atty v0.2.6
Sep 10 01:35:39.478 INFO kablam!     Checking unix_socket v0.5.0
Sep 10 01:35:39.490 INFO kablam!     Checking typemap v0.3.3
Sep 10 01:35:39.954 INFO kablam!     Checking ordered-float v0.5.0
Sep 10 01:35:40.958 INFO kablam!    Compiling syn v0.11.11
Sep 10 01:35:40.958 INFO kablam!     Checking num-iter v0.1.35
Sep 10 01:35:41.238 INFO kablam!    Compiling libssh2-sys v0.2.6
Sep 10 01:35:41.933 INFO kablam!    Compiling libgit2-sys v0.7.0
Sep 10 01:35:42.142 INFO kablam!     Checking idna v0.1.4
Sep 10 01:35:44.098 INFO kablam!     Checking num-complex v0.1.42
Sep 10 01:35:44.134 INFO kablam!     Checking clap v2.30.0
Sep 10 01:35:44.358 INFO kablam!     Checking num-bigint v0.1.43
Sep 10 01:35:45.386 INFO kablam!     Checking rand v0.3.22
Sep 10 01:35:48.485 INFO kablam!     Checking chan v0.1.21
Sep 10 01:35:50.626 INFO kablam!     Checking flate2 v1.0.1
Sep 10 01:35:51.678 INFO kablam!     Checking num-rational v0.1.42
Sep 10 01:35:55.494 INFO kablam!     Checking num v0.1.42
Sep 10 01:35:56.384 INFO kablam!     Checking chrono v0.4.0
Sep 10 01:35:57.070 INFO kablam!    Compiling serde_derive_internals v0.19.0
Sep 10 01:36:05.574 INFO kablam!    Compiling serde_derive v1.0.27
Sep 10 01:36:08.892 INFO kablam!     Checking serde_yaml v0.7.3
Sep 10 01:36:10.838 INFO kablam!     Checking serde_json v1.0.9
Sep 10 01:36:10.962 INFO kablam!     Checking serde-value v0.5.1
Sep 10 01:36:11.560 INFO kablam!     Checking log v0.4.1
Sep 10 01:36:14.474 INFO kablam!     Checking prompt_buffer v0.0.1 (file:///source/prompt_buffer)
Sep 10 01:36:15.086 INFO kablam! warning: unused extern crate
Sep 10 01:36:15.086 INFO kablam!   --> prompt_buffer/src/lib.rs:20:1
Sep 10 01:36:15.086 INFO kablam!    |
Sep 10 01:36:15.086 INFO kablam! 20 | extern crate num;
Sep 10 01:36:15.086 INFO kablam!    | ^^^^^^^^^^^^^^^^^ help: remove it
Sep 10 01:36:15.086 INFO kablam!    |
Sep 10 01:36:15.086 INFO kablam! note: lint level defined here
Sep 10 01:36:15.086 INFO kablam!   --> prompt_buffer/src/lib.rs:14:55
Sep 10 01:36:15.086 INFO kablam!    |
Sep 10 01:36:15.086 INFO kablam! 14 |         unused_variables, unused_features, bad_style, unused)]
Sep 10 01:36:15.086 INFO kablam!    |                                                       ^^^^^^
Sep 10 01:36:15.086 INFO kablam!    = note: #[warn(unused_extern_crates)] implied by #[warn(unused)]
Sep 10 01:36:15.086 INFO kablam! 
Sep 10 01:36:16.386 INFO kablam! warning: unused extern crate
Sep 10 01:36:16.386 INFO kablam!   --> prompt_buffer/src/lib.rs:20:1
Sep 10 01:36:16.386 INFO kablam!    |
Sep 10 01:36:16.386 INFO kablam! 20 | extern crate num;
Sep 10 01:36:16.386 INFO kablam!    | ^^^^^^^^^^^^^^^^^ help: remove it
Sep 10 01:36:16.386 INFO kablam!    |
Sep 10 01:36:16.386 INFO kablam! note: lint level defined here
Sep 10 01:36:16.386 INFO kablam!   --> prompt_buffer/src/lib.rs:14:55
Sep 10 01:36:16.386 INFO kablam!    |
Sep 10 01:36:16.386 INFO kablam! 14 |         unused_variables, unused_features, bad_style, unused)]
Sep 10 01:36:16.386 INFO kablam!    |                                                       ^^^^^^
Sep 10 01:36:16.386 INFO kablam!    = note: #[warn(unused_extern_crates)] implied by #[warn(unused)]
Sep 10 01:36:16.386 INFO kablam! 
Sep 10 01:36:26.730 INFO kablam!     Checking url v1.7.0
Sep 10 01:36:30.958 INFO kablam!     Checking log4rs v0.8.0
Sep 10 01:36:31.646 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 01:36:31.646 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Sep 10 01:36:31.646 INFO kablam!    |
Sep 10 01:36:31.646 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 10 01:36:31.646 INFO kablam!    |   ^^^^^
Sep 10 01:36:31.646 INFO kablam!    |
Sep 10 01:36:31.646 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 01:36:31.646 INFO kablam! 
Sep 10 01:36:31.646 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 01:36:31.646 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Sep 10 01:36:31.646 INFO kablam!    |
Sep 10 01:36:31.646 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 10 01:36:31.646 INFO kablam!    |   ^^^^^
Sep 10 01:36:31.646 INFO kablam!    |
Sep 10 01:36:31.646 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 01:36:31.646 INFO kablam! 
Sep 10 01:36:31.646 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 01:36:31.646 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Sep 10 01:36:31.646 INFO kablam!    |
Sep 10 01:36:31.646 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 10 01:36:31.646 INFO kablam!    |   ^^^^^
Sep 10 01:36:31.646 INFO kablam!    |
Sep 10 01:36:31.647 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 01:36:31.647 INFO kablam! 
Sep 10 01:36:31.647 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 01:36:31.647 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Sep 10 01:36:31.647 INFO kablam!    |
Sep 10 01:36:31.647 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 10 01:36:31.647 INFO kablam!    |   ^^^^^
Sep 10 01:36:31.647 INFO kablam!    |
Sep 10 01:36:31.647 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 01:36:31.647 INFO kablam! 
Sep 10 01:36:31.647 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 01:36:31.647 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Sep 10 01:36:31.647 INFO kablam!    |
Sep 10 01:36:31.647 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 10 01:36:31.647 INFO kablam!    |   ^^^^^
Sep 10 01:36:31.647 INFO kablam!    |
Sep 10 01:36:31.647 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 01:36:31.647 INFO kablam! 
Sep 10 01:36:31.647 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 01:36:31.647 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 10 01:36:31.647 INFO kablam!    |
Sep 10 01:36:31.647 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 10 01:36:31.647 INFO kablam!    |   ^^^^^
Sep 10 01:36:31.647 INFO kablam!    |
Sep 10 01:36:31.647 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 01:36:31.647 INFO kablam! 
Sep 10 01:36:31.647 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 01:36:31.647 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Sep 10 01:36:31.647 INFO kablam!    |
Sep 10 01:36:31.647 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 10 01:36:31.647 INFO kablam!    |   ^^^^^
Sep 10 01:36:31.647 INFO kablam!    |
Sep 10 01:36:31.647 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 01:36:31.647 INFO kablam! 
Sep 10 01:36:31.762 INFO kablam! error: aborting due to 7 previous errors
Sep 10 01:36:31.762 INFO kablam! 
Sep 10 01:36:31.762 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 01:36:31.782 INFO kablam! error: Could not compile `log4rs`.
Sep 10 01:36:31.782 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 01:36:52.067 INFO kablam! error: build failed
Sep 10 01:36:52.071 INFO kablam! su: No module specific data is present
Sep 10 01:36:52.829 INFO running `"docker" "rm" "-f" "c97502c98da837dd03e949ce1b19827f5e956d1572182460beb69450d30f57f3"`
Sep 10 01:36:52.951 INFO blam! c97502c98da837dd03e949ce1b19827f5e956d1572182460beb69450d30f57f3