Oct 12 17:15:56.963 INFO checking mmstick/parallel against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:15:56.963 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 12 17:15:57.331 INFO blam! d174c8a8e63480ee9c46bc213c695180061e6cc547355fc2e6fac86d81639f01
Oct 12 17:15:57.333 INFO running `"docker" "start" "-a" "d174c8a8e63480ee9c46bc213c695180061e6cc547355fc2e6fac86d81639f01"`
Oct 12 17:15:58.796 INFO kablam! usermod: no changes
Oct 12 17:15:58.896 INFO kablam!     Checking permutate v0.3.2
Oct 12 17:15:58.897 INFO kablam!     Checking numtoa v0.0.7
Oct 12 17:15:58.897 INFO kablam!    Compiling sys-info v0.5.0
Oct 12 17:15:58.897 INFO kablam!     Checking wait-timeout v0.1.5
Oct 12 17:15:58.898 INFO kablam!     Checking arrayvec v0.4.6
Oct 12 17:16:02.230 INFO kablam!     Checking parallel v0.11.3 (/source)
Oct 12 17:16:03.001 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 17:16:03.001 INFO kablam!    --> src/main.rs:242:9
Oct 12 17:16:03.001 INFO kablam!     |
Oct 12 17:16:03.001 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Oct 12 17:16:03.001 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:16:03.001 INFO kablam!     |
Oct 12 17:16:03.001 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Oct 12 17:16:03.002 INFO kablam! 
Oct 12 17:16:03.002 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 17:16:03.002 INFO kablam!    --> src/main.rs:245:9
Oct 12 17:16:03.002 INFO kablam!     |
Oct 12 17:16:03.002 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Oct 12 17:16:03.002 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:16:03.002 INFO kablam! 
Oct 12 17:16:03.208 INFO kablam! warning: unnecessary parentheses around method argument
Oct 12 17:16:03.209 INFO kablam!    --> src/input_iterator/iterator.rs:231:48
Oct 12 17:16:03.210 INFO kablam!     |
Oct 12 17:16:03.211 INFO kablam! 231 |         for (actual, expected) in iterator.zip((1..4096)) {
Oct 12 17:16:03.211 INFO kablam!     |                                                ^^^^^^^^^ help: remove these parentheses
Oct 12 17:16:03.212 INFO kablam!     |
Oct 12 17:16:03.213 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 12 17:16:03.213 INFO kablam! 
Oct 12 17:16:03.214 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 17:16:03.214 INFO kablam!    --> src/main.rs:242:9
Oct 12 17:16:03.215 INFO kablam!     |
Oct 12 17:16:03.215 INFO kablam! 242 |         /// Prints messages from executed commands in the correct order.
Oct 12 17:16:03.216 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:16:03.216 INFO kablam!     |
Oct 12 17:16:03.217 INFO kablam!     = note: #[warn(unused_doc_comments)] on by default
Oct 12 17:16:03.217 INFO kablam! 
Oct 12 17:16:03.217 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 17:16:03.217 INFO kablam!    --> src/main.rs:245:9
Oct 12 17:16:03.217 INFO kablam!     |
Oct 12 17:16:03.217 INFO kablam! 245 |         /// Wait for all threads to exit before proceeding.
Oct 12 17:16:03.217 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:16:03.217 INFO kablam! 
Oct 12 17:16:04.193 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:16:04.194 INFO kablam!    --> src/arguments/mod.rs:553:9
Oct 12 17:16:04.194 INFO kablam!     |
Oct 12 17:16:04.195 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Oct 12 17:16:04.196 INFO kablam!     |         ----^^^^^^^^^^^
Oct 12 17:16:04.196 INFO kablam!     |         |
Oct 12 17:16:04.197 INFO kablam!     |         help: remove this `mut`
Oct 12 17:16:04.198 INFO kablam!     |
Oct 12 17:16:04.198 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 17:16:04.199 INFO kablam! 
Oct 12 17:16:04.294 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:16:04.295 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Oct 12 17:16:04.295 INFO kablam!    |
Oct 12 17:16:04.295 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Oct 12 17:16:04.295 INFO kablam!    |             ----^^^^^^^^^^^^^^
Oct 12 17:16:04.295 INFO kablam!    |             |
Oct 12 17:16:04.295 INFO kablam!    |             help: remove this `mut`
Oct 12 17:16:04.295 INFO kablam! 
Oct 12 17:16:04.433 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:16:04.433 INFO kablam!   --> src/execute/pipe.rs:41:17
Oct 12 17:16:04.433 INFO kablam!    |
Oct 12 17:16:04.433 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Oct 12 17:16:04.433 INFO kablam!    |                 ----^^^^^^
Oct 12 17:16:04.433 INFO kablam!    |                 |
Oct 12 17:16:04.433 INFO kablam!    |                 help: remove this `mut`
Oct 12 17:16:04.433 INFO kablam! 
Oct 12 17:16:04.543 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:16:04.543 INFO kablam!    --> src/arguments/mod.rs:553:9
Oct 12 17:16:04.543 INFO kablam!     |
Oct 12 17:16:04.543 INFO kablam! 553 |     let mut append_list = &mut Vec::new();
Oct 12 17:16:04.543 INFO kablam!     |         ----^^^^^^^^^^^
Oct 12 17:16:04.543 INFO kablam!     |         |
Oct 12 17:16:04.543 INFO kablam!     |         help: remove this `mut`
Oct 12 17:16:04.543 INFO kablam!     |
Oct 12 17:16:04.543 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 17:16:04.543 INFO kablam! 
Oct 12 17:16:04.703 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:16:04.704 INFO kablam!   --> src/execute/exec_commands.rs:36:13
Oct 12 17:16:04.704 INFO kablam!    |
Oct 12 17:16:04.704 INFO kablam! 36 |         let mut command_buffer = &mut String::with_capacity(64);
Oct 12 17:16:04.704 INFO kablam!    |             ----^^^^^^^^^^^^^^
Oct 12 17:16:04.704 INFO kablam!    |             |
Oct 12 17:16:04.704 INFO kablam!    |             help: remove this `mut`
Oct 12 17:16:04.704 INFO kablam! 
Oct 12 17:16:04.779 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:16:04.779 INFO kablam!   --> src/execute/pipe.rs:41:17
Oct 12 17:16:04.779 INFO kablam!    |
Oct 12 17:16:04.779 INFO kablam! 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
Oct 12 17:16:04.779 INFO kablam!    |                 ----^^^^^^
Oct 12 17:16:04.779 INFO kablam!    |                 |
Oct 12 17:16:04.779 INFO kablam!    |                 help: remove this `mut`
Oct 12 17:16:04.779 INFO kablam! 
Oct 12 17:16:04.955 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.14s
Oct 12 17:16:04.973 INFO kablam! su: No module specific data is present
Oct 12 17:16:06.392 INFO running `"docker" "rm" "-f" "d174c8a8e63480ee9c46bc213c695180061e6cc547355fc2e6fac86d81639f01"`
Oct 12 17:16:06.650 INFO blam! d174c8a8e63480ee9c46bc213c695180061e6cc547355fc2e6fac86d81639f01