Dec 19 21:03:50.292 INFO checking addityasingh/sknife against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:03:50.292 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/addityasingh/sknife:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:03:50.488 INFO [stdout] 19f639f85a99768b8a5f906d5ddfccbb7c0970a1dc8f1b3d8b25646308910e3b
Dec 19 21:03:50.490 INFO running `"docker" "start" "-a" "19f639f85a99768b8a5f906d5ddfccbb7c0970a1dc8f1b3d8b25646308910e3b"`
Dec 19 21:03:51.512 INFO [stderr]     Checking sknife v0.2.2 (/opt/crater/workdir)
Dec 19 21:03:51.728 INFO [stderr] warning: unused import: `super::*`
Dec 19 21:03:51.728 INFO [stderr]   --> src/collection/any.rs:40:9
Dec 19 21:03:51.728 INFO [stderr]    |
Dec 19 21:03:51.728 INFO [stderr] 40 |     use super::*;
Dec 19 21:03:51.728 INFO [stderr]    |         ^^^^^^^^
Dec 19 21:03:51.728 INFO [stderr]    |
Dec 19 21:03:51.728 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 21:03:51.728 INFO [stderr] 
Dec 19 21:03:51.728 INFO [stderr] warning: unused import: `super::*`
Dec 19 21:03:51.728 INFO [stderr]   --> src/collection/count.rs:28:9
Dec 19 21:03:51.728 INFO [stderr]    |
Dec 19 21:03:51.728 INFO [stderr] 28 |     use super::*;
Dec 19 21:03:51.728 INFO [stderr]    |         ^^^^^^^^
Dec 19 21:03:51.728 INFO [stderr] 
Dec 19 21:03:51.728 INFO [stderr] warning: unused import: `super::*`
Dec 19 21:03:51.728 INFO [stderr]   --> src/collection/find.rs:39:9
Dec 19 21:03:51.728 INFO [stderr]    |
Dec 19 21:03:51.728 INFO [stderr] 39 |     use super::*;
Dec 19 21:03:51.728 INFO [stderr]    |         ^^^^^^^^
Dec 19 21:03:51.728 INFO [stderr] 
Dec 19 21:03:51.728 INFO [stderr] warning: unused import: `super::*`
Dec 19 21:03:51.728 INFO [stderr]   --> src/collection/flatmap.rs:35:9
Dec 19 21:03:51.728 INFO [stderr]    |
Dec 19 21:03:51.729 INFO [stderr] 35 |     use super::*;
Dec 19 21:03:51.729 INFO [stderr]    |         ^^^^^^^^
Dec 19 21:03:51.729 INFO [stderr] 
Dec 19 21:03:51.729 INFO [stderr] warning: unused import: `std`
Dec 19 21:03:51.729 INFO [stderr]  --> src/collection/zip.rs:5:5
Dec 19 21:03:51.729 INFO [stderr]   |
Dec 19 21:03:51.729 INFO [stderr] 5 | use std;
Dec 19 21:03:51.729 INFO [stderr]   |     ^^^
Dec 19 21:03:51.729 INFO [stderr] 
Dec 19 21:03:51.783 INFO [stderr] warning: unused attribute
Dec 19 21:03:51.783 INFO [stderr]  --> src/collection/any.rs:1:1
Dec 19 21:03:51.783 INFO [stderr]   |
Dec 19 21:03:51.783 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:51.783 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.783 INFO [stderr]   |
Dec 19 21:03:51.783 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 19 21:03:51.784 INFO [stderr] 
Dec 19 21:03:51.784 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:51.784 INFO [stderr]  --> src/collection/any.rs:1:1
Dec 19 21:03:51.784 INFO [stderr]   |
Dec 19 21:03:51.784 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:51.784 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.784 INFO [stderr] 
Dec 19 21:03:51.784 INFO [stderr] warning: unused attribute
Dec 19 21:03:51.784 INFO [stderr]  --> src/collection/count.rs:1:1
Dec 19 21:03:51.784 INFO [stderr]   |
Dec 19 21:03:51.784 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:51.784 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.784 INFO [stderr] 
Dec 19 21:03:51.784 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:51.784 INFO [stderr]  --> src/collection/count.rs:1:1
Dec 19 21:03:51.784 INFO [stderr]   |
Dec 19 21:03:51.784 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:51.784 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.784 INFO [stderr] 
Dec 19 21:03:51.784 INFO [stderr] warning: unused attribute
Dec 19 21:03:51.784 INFO [stderr]  --> src/collection/find.rs:1:1
Dec 19 21:03:51.784 INFO [stderr]   |
Dec 19 21:03:51.784 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:51.784 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.784 INFO [stderr] 
Dec 19 21:03:51.784 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:51.784 INFO [stderr]  --> src/collection/find.rs:1:1
Dec 19 21:03:51.784 INFO [stderr]   |
Dec 19 21:03:51.784 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:51.784 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.784 INFO [stderr] 
Dec 19 21:03:51.784 INFO [stderr] warning: unused attribute
Dec 19 21:03:51.784 INFO [stderr]  --> src/collection/flatmap.rs:1:1
Dec 19 21:03:51.784 INFO [stderr]   |
Dec 19 21:03:51.784 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:51.784 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.784 INFO [stderr] 
Dec 19 21:03:51.784 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:51.784 INFO [stderr]  --> src/collection/flatmap.rs:1:1
Dec 19 21:03:51.784 INFO [stderr]   |
Dec 19 21:03:51.784 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:51.784 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.784 INFO [stderr] 
Dec 19 21:03:51.784 INFO [stderr] warning: unused attribute
Dec 19 21:03:51.784 INFO [stderr]  --> src/collection/map.rs:1:1
Dec 19 21:03:51.784 INFO [stderr]   |
Dec 19 21:03:51.784 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:51.784 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.788 INFO [stderr] 
Dec 19 21:03:51.788 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:51.788 INFO [stderr]  --> src/collection/map.rs:1:1
Dec 19 21:03:51.788 INFO [stderr]   |
Dec 19 21:03:51.788 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:51.788 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.788 INFO [stderr] 
Dec 19 21:03:51.788 INFO [stderr] warning: unused attribute
Dec 19 21:03:51.788 INFO [stderr]  --> src/collection/reduce.rs:2:1
Dec 19 21:03:51.788 INFO [stderr]   |
Dec 19 21:03:51.788 INFO [stderr] 2 | #![crate_name = "sknife"]
Dec 19 21:03:51.788 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.788 INFO [stderr] 
Dec 19 21:03:51.788 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:51.788 INFO [stderr]  --> src/collection/reduce.rs:2:1
Dec 19 21:03:51.788 INFO [stderr]   |
Dec 19 21:03:51.788 INFO [stderr] 2 | #![crate_name = "sknife"]
Dec 19 21:03:51.788 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.788 INFO [stderr] 
Dec 19 21:03:51.788 INFO [stderr] warning: unused attribute
Dec 19 21:03:51.788 INFO [stderr]  --> src/collection/zip.rs:1:1
Dec 19 21:03:51.788 INFO [stderr]   |
Dec 19 21:03:51.788 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:51.788 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.788 INFO [stderr] 
Dec 19 21:03:51.788 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:51.788 INFO [stderr]  --> src/collection/zip.rs:1:1
Dec 19 21:03:51.788 INFO [stderr]   |
Dec 19 21:03:51.788 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:51.788 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:51.788 INFO [stderr] 
Dec 19 21:03:51.912 INFO [stderr] warning: unused import: `std`
Dec 19 21:03:51.912 INFO [stderr]  --> src/collection/zip.rs:5:5
Dec 19 21:03:51.912 INFO [stderr]   |
Dec 19 21:03:51.912 INFO [stderr] 5 | use std;
Dec 19 21:03:51.912 INFO [stderr]   |     ^^^
Dec 19 21:03:51.912 INFO [stderr]   |
Dec 19 21:03:51.912 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:03:51.912 INFO [stderr] 
Dec 19 21:03:52.518 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.518 INFO [stderr]   --> benches/collections_reduce.rs:15:13
Dec 19 21:03:52.518 INFO [stderr]    |
Dec 19 21:03:52.518 INFO [stderr] 15 |         let mut fact = |acc: i32, x| acc * x;
Dec 19 21:03:52.518 INFO [stderr]    |             ----^^^^
Dec 19 21:03:52.518 INFO [stderr]    |             |
Dec 19 21:03:52.518 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.518 INFO [stderr]    |
Dec 19 21:03:52.518 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:03:52.518 INFO [stderr] 
Dec 19 21:03:52.524 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.525 INFO [stderr]   --> benches/collections_reduce.rs:21:13
Dec 19 21:03:52.525 INFO [stderr]    |
Dec 19 21:03:52.525 INFO [stderr] 21 |         let mut list: Vec<i32> = (1..50).collect();
Dec 19 21:03:52.525 INFO [stderr]    |             ----^^^^
Dec 19 21:03:52.525 INFO [stderr]    |             |
Dec 19 21:03:52.525 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.525 INFO [stderr] 
Dec 19 21:03:52.525 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.525 INFO [stderr]   --> benches/collections_reduce.rs:22:13
Dec 19 21:03:52.525 INFO [stderr]    |
Dec 19 21:03:52.525 INFO [stderr] 22 |         let mut fact = |acc: i32, x| acc * x;
Dec 19 21:03:52.525 INFO [stderr]    |             ----^^^^
Dec 19 21:03:52.525 INFO [stderr]    |             |
Dec 19 21:03:52.525 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.525 INFO [stderr] 
Dec 19 21:03:52.608 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.608 INFO [stderr]   --> src/collection/any.rs:44:13
Dec 19 21:03:52.608 INFO [stderr]    |
Dec 19 21:03:52.608 INFO [stderr] 44 |         let mut list = vec![];
Dec 19 21:03:52.608 INFO [stderr]    |             ----^^^^
Dec 19 21:03:52.608 INFO [stderr]    |             |
Dec 19 21:03:52.608 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.608 INFO [stderr]    |
Dec 19 21:03:52.608 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:03:52.608 INFO [stderr] 
Dec 19 21:03:52.608 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.608 INFO [stderr]   --> src/collection/any.rs:54:13
Dec 19 21:03:52.608 INFO [stderr]    |
Dec 19 21:03:52.608 INFO [stderr] 54 |         let mut list = vec![1, 2, 3, 4];
Dec 19 21:03:52.608 INFO [stderr]    |             ----^^^^
Dec 19 21:03:52.608 INFO [stderr]    |             |
Dec 19 21:03:52.608 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.608 INFO [stderr] 
Dec 19 21:03:52.630 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.630 INFO [stderr]   --> src/collection/count.rs:32:13
Dec 19 21:03:52.630 INFO [stderr]    |
Dec 19 21:03:52.630 INFO [stderr] 32 |         let mut list: Vec<i32> = vec![];
Dec 19 21:03:52.630 INFO [stderr]    |             ----^^^^
Dec 19 21:03:52.630 INFO [stderr]    |             |
Dec 19 21:03:52.630 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.630 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.630 INFO [stderr]  --> tests/collections_any.rs:7:9
Dec 19 21:03:52.630 INFO [stderr]   |
Dec 19 21:03:52.630 INFO [stderr] 7 |     let mut list = vec![1, 2, 3, 4];
Dec 19 21:03:52.630 INFO [stderr]   |         ----^^^^
Dec 19 21:03:52.630 INFO [stderr]   |         |
Dec 19 21:03:52.630 INFO [stderr]   |         help: remove this `mut`
Dec 19 21:03:52.630 INFO [stderr]   |
Dec 19 21:03:52.630 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 21:03:52.630 INFO [stderr] 
Dec 19 21:03:52.642 INFO [stderr] 
Dec 19 21:03:52.648 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.648 INFO [stderr]   --> src/collection/count.rs:38:13
Dec 19 21:03:52.648 INFO [stderr]    |
Dec 19 21:03:52.648 INFO [stderr] 38 |         let mut list = vec![1, 2, 3, 4];
Dec 19 21:03:52.648 INFO [stderr]    |             ----^^^^
Dec 19 21:03:52.648 INFO [stderr]    |             |
Dec 19 21:03:52.648 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.648 INFO [stderr] 
Dec 19 21:03:52.656 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.656 INFO [stderr]   --> src/collection/find.rs:43:13
Dec 19 21:03:52.656 INFO [stderr]    |
Dec 19 21:03:52.656 INFO [stderr] 43 |         let mut list = vec![];
Dec 19 21:03:52.656 INFO [stderr]    |             ----^^^^
Dec 19 21:03:52.656 INFO [stderr]    |             |
Dec 19 21:03:52.656 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.660 INFO [stderr] 
Dec 19 21:03:52.660 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.660 INFO [stderr]   --> src/collection/find.rs:53:13
Dec 19 21:03:52.660 INFO [stderr]    |
Dec 19 21:03:52.660 INFO [stderr] 53 |         let mut list = vec![1, 2, 3, 4];
Dec 19 21:03:52.660 INFO [stderr]    |             ----^^^^
Dec 19 21:03:52.660 INFO [stderr]    |             |
Dec 19 21:03:52.660 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.668 INFO [stderr] 
Dec 19 21:03:52.719 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.719 INFO [stderr]  --> tests/collections_find.rs:7:9
Dec 19 21:03:52.719 INFO [stderr]   |
Dec 19 21:03:52.719 INFO [stderr] 7 |     let mut list = vec![1, 3, 4, 7, 3, 9];
Dec 19 21:03:52.719 INFO [stderr]   |         ----^^^^
Dec 19 21:03:52.719 INFO [stderr]   |         |
Dec 19 21:03:52.719 INFO [stderr]   |         help: remove this `mut`
Dec 19 21:03:52.719 INFO [stderr]   |
Dec 19 21:03:52.719 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 21:03:52.719 INFO [stderr] 
Dec 19 21:03:52.752 INFO [stderr] warning: unused attribute
Dec 19 21:03:52.752 INFO [stderr]  --> src/collection/any.rs:1:1
Dec 19 21:03:52.752 INFO [stderr]   |
Dec 19 21:03:52.752 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:52.752 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.769 INFO [stderr]   |
Dec 19 21:03:52.769 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 19 21:03:52.769 INFO [stderr] 
Dec 19 21:03:52.769 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:52.769 INFO [stderr]  --> src/collection/any.rs:1:1
Dec 19 21:03:52.769 INFO [stderr]   |
Dec 19 21:03:52.769 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:52.769 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.769 INFO [stderr] 
Dec 19 21:03:52.771 INFO [stderr] warning: unused attribute
Dec 19 21:03:52.771 INFO [stderr]  --> src/collection/count.rs:1:1
Dec 19 21:03:52.772 INFO [stderr]   |
Dec 19 21:03:52.772 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:52.772 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.773 INFO [stderr] 
Dec 19 21:03:52.773 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:52.773 INFO [stderr]  --> src/collection/count.rs:1:1
Dec 19 21:03:52.773 INFO [stderr]   |
Dec 19 21:03:52.773 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:52.773 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.774 INFO [stderr] 
Dec 19 21:03:52.774 INFO [stderr] warning: unused attribute
Dec 19 21:03:52.774 INFO [stderr]  --> src/collection/find.rs:1:1
Dec 19 21:03:52.775 INFO [stderr]   |
Dec 19 21:03:52.776 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:52.776 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.780 INFO [stderr] 
Dec 19 21:03:52.780 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:52.780 INFO [stderr]  --> src/collection/find.rs:1:1
Dec 19 21:03:52.780 INFO [stderr]   |
Dec 19 21:03:52.780 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:52.780 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.780 INFO [stderr] 
Dec 19 21:03:52.780 INFO [stderr] warning: unused attribute
Dec 19 21:03:52.780 INFO [stderr]  --> src/collection/flatmap.rs:1:1
Dec 19 21:03:52.780 INFO [stderr]   |
Dec 19 21:03:52.780 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:52.780 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.780 INFO [stderr] 
Dec 19 21:03:52.780 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:52.780 INFO [stderr]  --> src/collection/flatmap.rs:1:1
Dec 19 21:03:52.780 INFO [stderr]   |
Dec 19 21:03:52.780 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:52.780 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.781 INFO [stderr] 
Dec 19 21:03:52.782 INFO [stderr] warning: unused attribute
Dec 19 21:03:52.782 INFO [stderr]  --> src/collection/map.rs:1:1
Dec 19 21:03:52.782 INFO [stderr]   |
Dec 19 21:03:52.782 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:52.782 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.783 INFO [stderr] 
Dec 19 21:03:52.783 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:52.783 INFO [stderr]  --> src/collection/map.rs:1:1
Dec 19 21:03:52.783 INFO [stderr]   |
Dec 19 21:03:52.783 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:52.783 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.783 INFO [stderr] 
Dec 19 21:03:52.783 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.783 INFO [stderr]   --> benches/collections_flatmap.rs:15:13
Dec 19 21:03:52.783 INFO [stderr]    |
Dec 19 21:03:52.783 INFO [stderr] 15 |         let mut slice: &mut [i32] = list.as_mut_slice();
Dec 19 21:03:52.783 INFO [stderr]    |             ----^^^^^
Dec 19 21:03:52.783 INFO [stderr]    |             |
Dec 19 21:03:52.783 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.789 INFO [stderr]    |
Dec 19 21:03:52.789 INFO [stderr] warning: unused attribute
Dec 19 21:03:52.789 INFO [stderr]  --> src/collection/reduce.rs:2:1
Dec 19 21:03:52.789 INFO [stderr]   |
Dec 19 21:03:52.789 INFO [stderr] 2 | #![crate_name = "sknife"]
Dec 19 21:03:52.789 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.789 INFO [stderr] 
Dec 19 21:03:52.789 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:52.789 INFO [stderr]  --> src/collection/reduce.rs:2:1
Dec 19 21:03:52.789 INFO [stderr]   |
Dec 19 21:03:52.789 INFO [stderr] 2 | #![crate_name = "sknife"]
Dec 19 21:03:52.789 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.789 INFO [stderr] 
Dec 19 21:03:52.789 INFO [stderr] warning: unused attribute
Dec 19 21:03:52.789 INFO [stderr]  --> src/collection/zip.rs:1:1
Dec 19 21:03:52.789 INFO [stderr]   |
Dec 19 21:03:52.789 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:52.789 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.789 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.789 INFO [stderr]   --> benches/collections_map.rs:15:13
Dec 19 21:03:52.789 INFO [stderr]    |
Dec 19 21:03:52.789 INFO [stderr] 15 |         let mut slice = list.as_mut_slice();
Dec 19 21:03:52.789 INFO [stderr]    |             ----^^^^^
Dec 19 21:03:52.789 INFO [stderr]    |             |
Dec 19 21:03:52.789 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.789 INFO [stderr] 
Dec 19 21:03:52.789 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 19 21:03:52.789 INFO [stderr]  --> src/collection/zip.rs:1:1
Dec 19 21:03:52.789 INFO [stderr]   |
Dec 19 21:03:52.789 INFO [stderr] 1 | #![crate_name = "sknife"]
Dec 19 21:03:52.789 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:52.789 INFO [stderr] 
Dec 19 21:03:52.792 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:03:52.792 INFO [stderr] 
Dec 19 21:03:52.792 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.792 INFO [stderr]   --> benches/collections_flatmap.rs:16:13
Dec 19 21:03:52.792 INFO [stderr]    |
Dec 19 21:03:52.792 INFO [stderr] 16 |         let mut plus_one = |x: &mut i32| vec![*x];
Dec 19 21:03:52.792 INFO [stderr]    |             ----^^^^^^^^
Dec 19 21:03:52.792 INFO [stderr]    |             |
Dec 19 21:03:52.792 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.792 INFO [stderr] 
Dec 19 21:03:52.794 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.794 INFO [stderr]   --> benches/collections_flatmap.rs:22:13
Dec 19 21:03:52.794 INFO [stderr]    |
Dec 19 21:03:52.794 INFO [stderr] 22 |         let mut list = vec![1, 2, 3];
Dec 19 21:03:52.794 INFO [stderr]    |             ----^^^^
Dec 19 21:03:52.794 INFO [stderr]    |             |
Dec 19 21:03:52.794 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.794 INFO [stderr] 
Dec 19 21:03:52.794 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.794 INFO [stderr]   --> benches/collections_flatmap.rs:23:13
Dec 19 21:03:52.794 INFO [stderr]    |
Dec 19 21:03:52.794 INFO [stderr] 23 |         let mut plus_one = |x| vec![x];
Dec 19 21:03:52.794 INFO [stderr]    |             ----^^^^^^^^
Dec 19 21:03:52.794 INFO [stderr]    |             |
Dec 19 21:03:52.794 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.794 INFO [stderr] 
Dec 19 21:03:52.796 INFO [stderr]    |
Dec 19 21:03:52.796 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:03:52.796 INFO [stderr] 
Dec 19 21:03:52.797 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.797 INFO [stderr]   --> benches/collections_map.rs:16:13
Dec 19 21:03:52.797 INFO [stderr]    |
Dec 19 21:03:52.797 INFO [stderr] 16 |         let mut plus_one = |x: i32| x + 1;
Dec 19 21:03:52.797 INFO [stderr]    |             ----^^^^^^^^
Dec 19 21:03:52.797 INFO [stderr]    |             |
Dec 19 21:03:52.797 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.797 INFO [stderr] 
Dec 19 21:03:52.800 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.800 INFO [stderr]   --> benches/collections_map.rs:22:13
Dec 19 21:03:52.800 INFO [stderr]    |
Dec 19 21:03:52.800 INFO [stderr] 22 |         let mut list = vec![1, 2, 3];
Dec 19 21:03:52.800 INFO [stderr]    |             ----^^^^
Dec 19 21:03:52.800 INFO [stderr]    |             |
Dec 19 21:03:52.800 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.800 INFO [stderr] 
Dec 19 21:03:52.804 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:52.804 INFO [stderr]   --> benches/collections_map.rs:23:13
Dec 19 21:03:52.804 INFO [stderr]    |
Dec 19 21:03:52.804 INFO [stderr] 23 |         let mut plus_one = |x| x + 1;
Dec 19 21:03:52.804 INFO [stderr]    |             ----^^^^^^^^
Dec 19 21:03:52.804 INFO [stderr]    |             |
Dec 19 21:03:52.804 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:03:52.808 INFO [stderr] 
Dec 19 21:03:52.876 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Dec 19 21:03:53.562 INFO running `"docker" "inspect" "19f639f85a99768b8a5f906d5ddfccbb7c0970a1dc8f1b3d8b25646308910e3b"`
Dec 19 21:03:53.796 INFO running `"docker" "rm" "-f" "19f639f85a99768b8a5f906d5ddfccbb7c0970a1dc8f1b3d8b25646308910e3b"`
Dec 19 21:03:54.064 INFO [stdout] 19f639f85a99768b8a5f906d5ddfccbb7c0970a1dc8f1b3d8b25646308910e3b