Sep 10 14:50:13.304 INFO checking mastodon-0.1.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 14:50:13.304 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 14:50:13.304 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/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 14:50:13.451 INFO blam! 967a548d5e6272d63965896c953d320c956f239d49c04b5fbf611d1c4a5f0674
Sep 10 14:50:13.452 INFO running `"docker" "start" "-a" "967a548d5e6272d63965896c953d320c956f239d49c04b5fbf611d1c4a5f0674"`
Sep 10 14:50:14.414 INFO kablam! usermod: no changes
Sep 10 14:50:14.532 INFO kablam!    Compiling serde_codegen v0.8.23
Sep 10 14:50:16.771 INFO kablam!    Compiling serde_derive v0.8.23
Sep 10 14:50:18.220 INFO kablam!     Checking mastodon v0.1.0 (file:///source)
Sep 10 14:50:18.906 INFO kablam! warning: unused imports: `Read`, `self`
Sep 10 14:50:18.906 INFO kablam!   --> src/lib.rs:25:19
Sep 10 14:50:18.906 INFO kablam!    |
Sep 10 14:50:18.906 INFO kablam! 25 |     use std::io::{self, Read};
Sep 10 14:50:18.906 INFO kablam!    |                   ^^^^  ^^^^
Sep 10 14:50:18.906 INFO kablam!    |
Sep 10 14:50:18.906 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 10 14:50:18.906 INFO kablam! 
Sep 10 14:50:19.223 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 10 14:50:19.223 INFO kablam!  --> src/lib.rs:1:12
Sep 10 14:50:19.223 INFO kablam!   |
Sep 10 14:50:19.223 INFO kablam! 1 | #![feature(proc_macro)]
Sep 10 14:50:19.223 INFO kablam!   |            ^^^^^^^^^^
Sep 10 14:50:19.223 INFO kablam!   |
Sep 10 14:50:19.223 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 14:50:19.223 INFO kablam! 
Sep 10 14:50:19.273 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 10 14:50:19.273 INFO kablam!  --> src/lib.rs:1:12
Sep 10 14:50:19.273 INFO kablam!   |
Sep 10 14:50:19.273 INFO kablam! 1 | #![feature(proc_macro)]
Sep 10 14:50:19.273 INFO kablam!   |            ^^^^^^^^^^
Sep 10 14:50:19.273 INFO kablam!   |
Sep 10 14:50:19.273 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 14:50:19.273 INFO kablam! 
Sep 10 14:50:19.297 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
Sep 10 14:50:19.303 INFO kablam! su: No module specific data is present
Sep 10 14:50:20.210 INFO running `"docker" "rm" "-f" "967a548d5e6272d63965896c953d320c956f239d49c04b5fbf611d1c4a5f0674"`
Sep 10 14:50:20.271 INFO blam! 967a548d5e6272d63965896c953d320c956f239d49c04b5fbf611d1c4a5f0674