Dec 12 18:27:05.640 INFO checking acto-rs-0.5.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 18:27:05.640 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 18:27:06.045 INFO [stdout] 5a6fd7a85c591f54c014fa29f0005041fac9292c1aec0d24895a6b8e5940090a
Dec 12 18:27:06.047 INFO running `"docker" "start" "-a" "5a6fd7a85c591f54c014fa29f0005041fac9292c1aec0d24895a6b8e5940090a"`
Dec 12 18:27:06.971 INFO [stderr] usermod: no changes
Dec 12 18:27:07.008 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 12 18:27:07.008 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 12 18:27:07.008 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 12 18:27:07.008 INFO [stderr] files will be included as a binary target:
Dec 12 18:27:07.008 INFO [stderr] 
Dec 12 18:27:07.008 INFO [stderr] * /source/src/main.rs
Dec 12 18:27:07.008 INFO [stderr] 
Dec 12 18:27:07.008 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 12 18:27:07.008 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 12 18:27:07.008 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 12 18:27:07.008 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 12 18:27:07.008 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 12 18:27:07.008 INFO [stderr] 
Dec 12 18:27:07.008 INFO [stderr] For more information on this warning you can consult
Dec 12 18:27:07.008 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 12 18:27:07.008 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `bench`,
Dec 12 18:27:07.008 INFO [stderr] please set bin.path in Cargo.toml
Dec 12 18:27:07.016 INFO [stderr]     Checking lossyq v0.1.19
Dec 12 18:27:07.693 INFO [stderr]     Checking acto-rs v0.5.2 (/source)
Dec 12 18:27:08.836 INFO [stderr] warning: variable does not need to be mutable
Dec 12 18:27:08.836 INFO [stderr]   --> src/scheduler/wrap.rs:19:11
Dec 12 18:27:08.836 INFO [stderr]    |
Dec 12 18:27:08.836 INFO [stderr] 19 |       let mut slice = self.output_positions.as_mut_slice();
Dec 12 18:27:08.836 INFO [stderr]    |           ----^^^^^
Dec 12 18:27:08.836 INFO [stderr]    |           |
Dec 12 18:27:08.836 INFO [stderr]    |           help: remove this `mut`
Dec 12 18:27:08.836 INFO [stderr]    |
Dec 12 18:27:08.836 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 18:27:08.836 INFO [stderr] 
Dec 12 18:27:08.836 INFO [stderr] warning: variable does not need to be mutable
Dec 12 18:27:08.836 INFO [stderr]   --> src/scheduler/wrap.rs:35:9
Dec 12 18:27:08.836 INFO [stderr]    |
Dec 12 18:27:08.836 INFO [stderr] 35 |     let mut slice = self.output_positions.as_mut_slice();
Dec 12 18:27:08.836 INFO [stderr]    |         ----^^^^^
Dec 12 18:27:08.836 INFO [stderr]    |         |
Dec 12 18:27:08.836 INFO [stderr]    |         help: remove this `mut`
Dec 12 18:27:08.836 INFO [stderr] 
Dec 12 18:27:08.836 INFO [stderr] warning: variable does not need to be mutable
Dec 12 18:27:08.836 INFO [stderr]   --> src/scheduler/page.rs:51:9
Dec 12 18:27:08.836 INFO [stderr]    |
Dec 12 18:27:08.836 INFO [stderr] 51 |     let mut data_ref = &mut slice[idx];
Dec 12 18:27:08.836 INFO [stderr]    |         ----^^^^^^^^
Dec 12 18:27:08.836 INFO [stderr]    |         |
Dec 12 18:27:08.836 INFO [stderr]    |         help: remove this `mut`
Dec 12 18:27:08.836 INFO [stderr] 
Dec 12 18:27:09.716 INFO [stderr] warning: variable does not need to be mutable
Dec 12 18:27:09.716 INFO [stderr]   --> src/scheduler/wrap.rs:19:11
Dec 12 18:27:09.716 INFO [stderr]    |
Dec 12 18:27:09.716 INFO [stderr] 19 |       let mut slice = self.output_positions.as_mut_slice();
Dec 12 18:27:09.716 INFO [stderr]    |           ----^^^^^
Dec 12 18:27:09.716 INFO [stderr]    |           |
Dec 12 18:27:09.716 INFO [stderr]    |           help: remove this `mut`
Dec 12 18:27:09.720 INFO [stderr]    |
Dec 12 18:27:09.720 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 18:27:09.720 INFO [stderr] 
Dec 12 18:27:09.720 INFO [stderr] warning: variable does not need to be mutable
Dec 12 18:27:09.720 INFO [stderr]   --> src/scheduler/wrap.rs:35:9
Dec 12 18:27:09.720 INFO [stderr]    |
Dec 12 18:27:09.720 INFO [stderr] 35 |     let mut slice = self.output_positions.as_mut_slice();
Dec 12 18:27:09.720 INFO [stderr]    |         ----^^^^^
Dec 12 18:27:09.720 INFO [stderr]    |         |
Dec 12 18:27:09.720 INFO [stderr]    |         help: remove this `mut`
Dec 12 18:27:09.720 INFO [stderr] 
Dec 12 18:27:09.720 INFO [stderr] warning: variable does not need to be mutable
Dec 12 18:27:09.720 INFO [stderr]   --> src/scheduler/page.rs:51:9
Dec 12 18:27:09.720 INFO [stderr]    |
Dec 12 18:27:09.720 INFO [stderr] 51 |     let mut data_ref = &mut slice[idx];
Dec 12 18:27:09.720 INFO [stderr]    |         ----^^^^^^^^
Dec 12 18:27:09.720 INFO [stderr]    |         |
Dec 12 18:27:09.720 INFO [stderr]    |         help: remove this `mut`
Dec 12 18:27:09.720 INFO [stderr] 
Dec 12 18:27:09.835 INFO [stderr] warning: variable does not need to be mutable
Dec 12 18:27:09.835 INFO [stderr]   --> src/bench/bitset.rs:19:9
Dec 12 18:27:09.835 INFO [stderr]    |
Dec 12 18:27:09.836 INFO [stderr] 19 |     let mut slice = self.bits.as_mut_slice();
Dec 12 18:27:09.836 INFO [stderr]    |         ----^^^^^
Dec 12 18:27:09.836 INFO [stderr]    |         |
Dec 12 18:27:09.836 INFO [stderr]    |         help: remove this `mut`
Dec 12 18:27:09.836 INFO [stderr] 
Dec 12 18:27:10.308 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
Dec 12 18:27:10.312 INFO [stderr] su: No module specific data is present
Dec 12 18:27:11.770 INFO running `"docker" "inspect" "5a6fd7a85c591f54c014fa29f0005041fac9292c1aec0d24895a6b8e5940090a"`
Dec 12 18:27:12.138 INFO running `"docker" "rm" "-f" "5a6fd7a85c591f54c014fa29f0005041fac9292c1aec0d24895a6b8e5940090a"`
Dec 12 18:27:12.460 INFO [stdout] 5a6fd7a85c591f54c014fa29f0005041fac9292c1aec0d24895a6b8e5940090a