Dec 05 08:51:30.765 INFO checking promise-rs-0.3.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 08:51:30.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 08:51:31.059 INFO [stdout] 1a4ba439d52dfff7c349de1506adcb415ce5e29de1caa93b20f51bdde55cd14d
Dec 05 08:51:31.061 INFO running `"docker" "start" "-a" "1a4ba439d52dfff7c349de1506adcb415ce5e29de1caa93b20f51bdde55cd14d"`
Dec 05 08:51:31.576 INFO [stderr] usermod: no changes
Dec 05 08:51:31.576 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 05 08:51:31.576 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 05 08:51:31.576 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 05 08:51:31.576 INFO [stderr] files will be included as a binary target:
Dec 05 08:51:31.576 INFO [stderr] 
Dec 05 08:51:31.576 INFO [stderr] * /source/src/main.rs
Dec 05 08:51:31.576 INFO [stderr] 
Dec 05 08:51:31.576 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 05 08:51:31.576 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 05 08:51:31.576 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 05 08:51:31.576 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 05 08:51:31.576 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 05 08:51:31.576 INFO [stderr] 
Dec 05 08:51:31.576 INFO [stderr] For more information on this warning you can consult
Dec 05 08:51:31.576 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 05 08:51:31.577 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `promise`,
Dec 05 08:51:31.577 INFO [stderr] please set bin.path in Cargo.toml
Dec 05 08:51:31.577 INFO [stderr]     Checking promise-rs v0.3.0 (/source)
Dec 05 08:51:32.000 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:51:32.000 INFO [stderr]   --> src/lib.rs:51:21
Dec 05 08:51:32.000 INFO [stderr]    |
Dec 05 08:51:32.000 INFO [stderr] 51 |                 let mut state = state_guard.as_mut().unwrap();
Dec 05 08:51:32.000 INFO [stderr]    |                     ----^^^^^
Dec 05 08:51:32.000 INFO [stderr]    |                     |
Dec 05 08:51:32.000 INFO [stderr]    |                     help: remove this `mut`
Dec 05 08:51:32.000 INFO [stderr]    |
Dec 05 08:51:32.000 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 08:51:32.000 INFO [stderr] 
Dec 05 08:51:32.052 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:51:32.052 INFO [stderr]   --> src/lib.rs:65:21
Dec 05 08:51:32.052 INFO [stderr]    |
Dec 05 08:51:32.052 INFO [stderr] 65 |                 let mut state = state_guard.as_mut().unwrap();
Dec 05 08:51:32.052 INFO [stderr]    |                     ----^^^^^
Dec 05 08:51:32.052 INFO [stderr]    |                     |
Dec 05 08:51:32.052 INFO [stderr]    |                     help: remove this `mut`
Dec 05 08:51:32.052 INFO [stderr] 
Dec 05 08:51:32.052 INFO [stderr] warning: unused attribute
Dec 05 08:51:32.052 INFO [stderr]    --> src/lib.rs:192:9
Dec 05 08:51:32.052 INFO [stderr]     |
Dec 05 08:51:32.052 INFO [stderr] 192 |         #[derive(Debug)]
Dec 05 08:51:32.052 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 08:51:32.052 INFO [stderr]     |
Dec 05 08:51:32.052 INFO [stderr]     = note: #[warn(unused_attributes)] on by default
Dec 05 08:51:32.052 INFO [stderr] 
Dec 05 08:51:32.272 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:51:32.272 INFO [stderr]   --> src/lib.rs:51:21
Dec 05 08:51:32.272 INFO [stderr]    |
Dec 05 08:51:32.272 INFO [stderr] 51 |                 let mut state = state_guard.as_mut().unwrap();
Dec 05 08:51:32.272 INFO [stderr]    |                     ----^^^^^
Dec 05 08:51:32.272 INFO [stderr]    |                     |
Dec 05 08:51:32.272 INFO [stderr]    |                     help: remove this `mut`
Dec 05 08:51:32.272 INFO [stderr]    |
Dec 05 08:51:32.272 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 08:51:32.272 INFO [stderr] 
Dec 05 08:51:32.272 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:51:32.272 INFO [stderr]   --> src/lib.rs:65:21
Dec 05 08:51:32.272 INFO [stderr]    |
Dec 05 08:51:32.272 INFO [stderr] 65 |                 let mut state = state_guard.as_mut().unwrap();
Dec 05 08:51:32.272 INFO [stderr]    |                     ----^^^^^
Dec 05 08:51:32.272 INFO [stderr]    |                     |
Dec 05 08:51:32.272 INFO [stderr]    |                     help: remove this `mut`
Dec 05 08:51:32.272 INFO [stderr] 
Dec 05 08:51:32.272 INFO [stderr] warning: unused attribute
Dec 05 08:51:32.272 INFO [stderr]    --> src/lib.rs:192:9
Dec 05 08:51:32.272 INFO [stderr]     |
Dec 05 08:51:32.272 INFO [stderr] 192 |         #[derive(Debug)]
Dec 05 08:51:32.272 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 05 08:51:32.272 INFO [stderr]     |
Dec 05 08:51:32.272 INFO [stderr]     = note: #[warn(unused_attributes)] on by default
Dec 05 08:51:32.272 INFO [stderr] 
Dec 05 08:51:32.621 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 05 08:51:32.624 INFO [stderr] su: No module specific data is present
Dec 05 08:51:32.940 INFO running `"docker" "inspect" "1a4ba439d52dfff7c349de1506adcb415ce5e29de1caa93b20f51bdde55cd14d"`
Dec 05 08:51:33.028 INFO running `"docker" "rm" "-f" "1a4ba439d52dfff7c349de1506adcb415ce5e29de1caa93b20f51bdde55cd14d"`
Dec 05 08:51:33.179 INFO [stdout] 1a4ba439d52dfff7c349de1506adcb415ce5e29de1caa93b20f51bdde55cd14d