Oct 13 08:59:45.513 INFO checking safety-0.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 08:59:45.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 08:59:45.916 INFO blam! f65f0aa5b9cef53c2d3eb15d0a8034e7d4978b1404ab407475e3120643c0b179
Oct 13 08:59:45.918 INFO running `"docker" "start" "-a" "f65f0aa5b9cef53c2d3eb15d0a8034e7d4978b1404ab407475e3120643c0b179"`
Oct 13 08:59:47.382 INFO kablam! usermod: no changes
Oct 13 08:59:47.608 INFO kablam!     Checking unicode-xid v0.0.3
Oct 13 08:59:47.609 INFO kablam!     Checking syntex_pos v0.52.0
Oct 13 08:59:47.609 INFO kablam!    Compiling syn v0.10.8
Oct 13 08:59:50.448 INFO kablam!     Checking syntex_errors v0.52.0
Oct 13 08:59:52.644 INFO kablam!     Checking syntex_syntax v0.52.0
Oct 13 08:59:56.407 INFO kablam!    Compiling serde_codegen_internals v0.11.3
Oct 13 08:59:58.650 INFO kablam!    Compiling serde_codegen v0.8.23
Oct 13 09:00:04.831 INFO kablam!    Compiling serde_derive v0.8.23
Oct 13 09:00:16.571 INFO kablam!     Checking syntex v0.52.0
Oct 13 09:00:17.878 INFO kablam!     Checking safety v0.1.0 (/source)
Oct 13 09:00:21.628 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 13 09:00:21.628 INFO kablam!  --> src/lib.rs:1:12
Oct 13 09:00:21.629 INFO kablam!   |
Oct 13 09:00:21.629 INFO kablam! 1 | #![feature(proc_macro)]
Oct 13 09:00:21.629 INFO kablam!   |            ^^^^^^^^^^
Oct 13 09:00:21.629 INFO kablam!   |
Oct 13 09:00:21.629 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 09:00:21.629 INFO kablam! 
Oct 13 09:00:22.009 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 13 09:00:22.009 INFO kablam!  --> src/lib.rs:1:12
Oct 13 09:00:22.009 INFO kablam!   |
Oct 13 09:00:22.010 INFO kablam! 1 | #![feature(proc_macro)]
Oct 13 09:00:22.010 INFO kablam!   |            ^^^^^^^^^^
Oct 13 09:00:22.010 INFO kablam!   |
Oct 13 09:00:22.011 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 09:00:22.011 INFO kablam! 
Oct 13 09:00:25.819 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 13 09:00:25.820 INFO kablam!  --> src/main.rs:1:12
Oct 13 09:00:25.820 INFO kablam!   |
Oct 13 09:00:25.820 INFO kablam! 1 | #![feature(proc_macro)]
Oct 13 09:00:25.820 INFO kablam!   |            ^^^^^^^^^^
Oct 13 09:00:25.820 INFO kablam!   |
Oct 13 09:00:25.821 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 09:00:25.821 INFO kablam! 
Oct 13 09:00:26.818 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 13 09:00:26.818 INFO kablam!  --> src/main.rs:1:12
Oct 13 09:00:26.818 INFO kablam!   |
Oct 13 09:00:26.818 INFO kablam! 1 | #![feature(proc_macro)]
Oct 13 09:00:26.818 INFO kablam!   |            ^^^^^^^^^^
Oct 13 09:00:26.818 INFO kablam!   |
Oct 13 09:00:26.818 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 09:00:26.818 INFO kablam! 
Oct 13 09:00:26.881 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 39.47s
Oct 13 09:00:26.891 INFO kablam! su: No module specific data is present
Oct 13 09:00:28.260 INFO running `"docker" "rm" "-f" "f65f0aa5b9cef53c2d3eb15d0a8034e7d4978b1404ab407475e3120643c0b179"`
Oct 13 09:00:28.621 INFO blam! f65f0aa5b9cef53c2d3eb15d0a8034e7d4978b1404ab407475e3120643c0b179