Oct 13 10:38:02.433 INFO checking promise-rs-0.3.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 10:38:02.435 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/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 10:38:02.664 INFO blam! b381a27e346c0c3d1f38ce87e5d012cd1829cc209859f0f2cd6070450e942057
Oct 13 10:38:02.668 INFO running `"docker" "start" "-a" "b381a27e346c0c3d1f38ce87e5d012cd1829cc209859f0f2cd6070450e942057"`
Oct 13 10:38:03.088 INFO kablam! usermod: no changes
Oct 13 10:38:03.115 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Oct 13 10:38:03.115 INFO kablam! disables Cargo from automatically inferring other binary targets.
Oct 13 10:38:03.115 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Oct 13 10:38:03.115 INFO kablam! files will be included as a binary target:
Oct 13 10:38:03.115 INFO kablam! 
Oct 13 10:38:03.115 INFO kablam! * /source/src/main.rs
Oct 13 10:38:03.115 INFO kablam! 
Oct 13 10:38:03.115 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Oct 13 10:38:03.115 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself
Oct 13 10:38:03.115 INFO kablam! and disable this warning by adding `autobins = false` to your [package]
Oct 13 10:38:03.115 INFO kablam! section. You may also move the files to a location where Cargo would not
Oct 13 10:38:03.115 INFO kablam! automatically infer them to be a target, such as in subfolders.
Oct 13 10:38:03.115 INFO kablam! 
Oct 13 10:38:03.115 INFO kablam! For more information on this warning you can consult
Oct 13 10:38:03.115 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Oct 13 10:38:03.115 INFO kablam! warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `promise`,
Oct 13 10:38:03.115 INFO kablam! please set bin.path in Cargo.toml
Oct 13 10:38:03.116 INFO kablam!     Checking promise-rs v0.3.0 (/source)
Oct 13 10:38:03.740 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:38:03.740 INFO kablam!   --> src/lib.rs:51:21
Oct 13 10:38:03.740 INFO kablam!    |
Oct 13 10:38:03.740 INFO kablam! 51 |                 let mut state = state_guard.as_mut().unwrap();
Oct 13 10:38:03.740 INFO kablam!    |                     ----^^^^^
Oct 13 10:38:03.740 INFO kablam!    |                     |
Oct 13 10:38:03.740 INFO kablam!    |                     help: remove this `mut`
Oct 13 10:38:03.740 INFO kablam!    |
Oct 13 10:38:03.740 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 10:38:03.740 INFO kablam! 
Oct 13 10:38:03.740 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:38:03.740 INFO kablam!   --> src/lib.rs:65:21
Oct 13 10:38:03.740 INFO kablam!    |
Oct 13 10:38:03.740 INFO kablam! 65 |                 let mut state = state_guard.as_mut().unwrap();
Oct 13 10:38:03.740 INFO kablam!    |                     ----^^^^^
Oct 13 10:38:03.740 INFO kablam!    |                     |
Oct 13 10:38:03.740 INFO kablam!    |                     help: remove this `mut`
Oct 13 10:38:03.740 INFO kablam! 
Oct 13 10:38:03.749 INFO kablam! warning: unused attribute
Oct 13 10:38:03.749 INFO kablam!    --> src/lib.rs:192:9
Oct 13 10:38:03.749 INFO kablam!     |
Oct 13 10:38:03.749 INFO kablam! 192 |         #[derive(Debug)]
Oct 13 10:38:03.749 INFO kablam!     |         ^^^^^^^^^^^^^^^^
Oct 13 10:38:03.749 INFO kablam!     |
Oct 13 10:38:03.749 INFO kablam!     = note: #[warn(unused_attributes)] on by default
Oct 13 10:38:03.749 INFO kablam! 
Oct 13 10:38:03.876 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:38:03.876 INFO kablam!   --> src/lib.rs:51:21
Oct 13 10:38:03.876 INFO kablam!    |
Oct 13 10:38:03.876 INFO kablam! 51 |                 let mut state = state_guard.as_mut().unwrap();
Oct 13 10:38:03.876 INFO kablam!    |                     ----^^^^^
Oct 13 10:38:03.876 INFO kablam!    |                     |
Oct 13 10:38:03.876 INFO kablam!    |                     help: remove this `mut`
Oct 13 10:38:03.876 INFO kablam!    |
Oct 13 10:38:03.876 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 10:38:03.876 INFO kablam! 
Oct 13 10:38:03.876 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:38:03.876 INFO kablam!   --> src/lib.rs:65:21
Oct 13 10:38:03.876 INFO kablam!    |
Oct 13 10:38:03.876 INFO kablam! 65 |                 let mut state = state_guard.as_mut().unwrap();
Oct 13 10:38:03.876 INFO kablam!    |                     ----^^^^^
Oct 13 10:38:03.876 INFO kablam!    |                     |
Oct 13 10:38:03.876 INFO kablam!    |                     help: remove this `mut`
Oct 13 10:38:03.876 INFO kablam! 
Oct 13 10:38:03.886 INFO kablam! warning: unused attribute
Oct 13 10:38:03.886 INFO kablam!    --> src/lib.rs:192:9
Oct 13 10:38:03.886 INFO kablam!     |
Oct 13 10:38:03.886 INFO kablam! 192 |         #[derive(Debug)]
Oct 13 10:38:03.886 INFO kablam!     |         ^^^^^^^^^^^^^^^^
Oct 13 10:38:03.886 INFO kablam!     |
Oct 13 10:38:03.886 INFO kablam!     = note: #[warn(unused_attributes)] on by default
Oct 13 10:38:03.886 INFO kablam! 
Oct 13 10:38:04.551 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
Oct 13 10:38:04.552 INFO kablam! su: No module specific data is present
Oct 13 10:38:05.056 INFO running `"docker" "rm" "-f" "b381a27e346c0c3d1f38ce87e5d012cd1829cc209859f0f2cd6070450e942057"`
Oct 13 10:38:05.168 INFO blam! b381a27e346c0c3d1f38ce87e5d012cd1829cc209859f0f2cd6070450e942057