[INFO] cloning repository https://github.com/Carter-Craens/rust-sorting-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Carter-Craens/rust-sorting-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarter-Craens%2Frust-sorting-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarter-Craens%2Frust-sorting-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f29322cca9aa47739319e1774125807ddbd9252
[INFO] checking Carter-Craens/rust-sorting-algorithms against try#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarter-Craens%2Frust-sorting-algorithms" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Carter-Craens/rust-sorting-algorithms
[INFO] finished tweaking git repo https://github.com/Carter-Craens/rust-sorting-algorithms
[INFO] tweaked toml for git repo https://github.com/Carter-Craens/rust-sorting-algorithms written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Carter-Craens/rust-sorting-algorithms on toolchain 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Carter-Craens/rust-sorting-algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d3cffe39d84a6edbde19322b2ff4fa568e27a9af62ca037c9887ceb63f20caf
[INFO] running `Command { std: "docker" "start" "-a" "4d3cffe39d84a6edbde19322b2ff4fa568e27a9af62ca037c9887ceb63f20caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d3cffe39d84a6edbde19322b2ff4fa568e27a9af62ca037c9887ceb63f20caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3cffe39d84a6edbde19322b2ff4fa568e27a9af62ca037c9887ceb63f20caf", kill_on_drop: false }`
[INFO] [stdout] 4d3cffe39d84a6edbde19322b2ff4fa568e27a9af62ca037c9887ceb63f20caf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0866af4f1c0f21601bb26b2b18fb0e47e66b65a080f92957251375fe7af48c0
[INFO] running `Command { std: "docker" "start" "-a" "c0866af4f1c0f21601bb26b2b18fb0e47e66b65a080f92957251375fe7af48c0", kill_on_drop: false }`
[INFO] [stderr]     Checking search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found keyword `struct`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:182:46
[INFO] [stdout]     |
[INFO] [stdout] 182 | const EMPTY_RUN: Run = Run {start: 0, len: 0}
[INFO] [stdout]     |                                              ^ help: add `;` here
[INFO] [stdout] ...
[INFO] [stdout] 187 | struct MergeState<T>{
[INFO] [stdout]     | ------ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `struct`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:182:46
[INFO] [stdout]     |
[INFO] [stdout] 182 | const EMPTY_RUN: Run = Run {start: 0, len: 0}
[INFO] [stdout]     |                                              ^ help: add `;` here
[INFO] [stdout] ...
[INFO] [stdout] 187 | struct MergeState<T>{
[INFO] [stdout]     | ------ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:48:9
[INFO] [stdout]     |
[INFO] [stdout]  48 |         merge_collapse(&mut ms, less);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^          ---- argument #2 of type `&mut [T]` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:223:4
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn merge_collapse<T: Copy, F>(ms: &mut MergeState<T>, data: &mut [T], less: &mut F)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^                                     --------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout]  48 |         merge_collapse(&mut ms, /* &mut [T] */, less);
[INFO] [stdout]     |                                 +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:53:5
[INFO] [stdout]     |
[INFO] [stdout]  53 |     merge_force_collapse(&mut ms, less);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^          ---- argument #2 of type `&mut [T]` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:217:4
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn merge_force_collapse<T: Copy, F>(ms: &mut MergeState<T>, data: &mut [T], less: &mut F)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^                                     --------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout]  53 |     merge_force_collapse(&mut ms, /* &mut [T] */, less);
[INFO] [stdout]     |                                   +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ms`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:217:37
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn merge_force_collapse<T: Copy, F>(ms: &mut MergeState<T>, data: &mut [T], less: &mut F)
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ms`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:217:61
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn merge_force_collapse<T: Copy, F>(ms: &mut MergeState<T>, data: &mut [T], less: &mut F)
[INFO] [stdout]     |                                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `less`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:217:77
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn merge_force_collapse<T: Copy, F>(ms: &mut MergeState<T>, data: &mut [T], less: &mut F)
[INFO] [stdout]     |                                                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_less`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut ssa: &mut [T] = &mut left[ms.run(i).start.. ms.run(i).end()];
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |     let mut ssb: &mut [T] = &mut right[.. ms.run(i+1).len];
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `search` (bin "search") due to 3 previous errors; 14 warnings emitted
[INFO] [stdout] warning: unused variable: `less`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:245:75
[INFO] [stdout]     |
[INFO] [stdout] 245 | fn merge_at<T: Copy, F>(ms: &mut MergeState<T>, data: &mut [T], i: usize, less: &mut F)
[INFO] [stdout]     |                                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_less`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `ssa`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut ssa: &mut [T] = &mut left[ms.run(i).start.. ms.run(i).end()];
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ssa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssb`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |     let mut ssb: &mut [T] = &mut right[.. ms.run(i+1).len];
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ssb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ms`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:255:25
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn merge_lo<T: Copy, F>(ms: MergeState<T>, ssa: &mut [T], ssb: &mut [T])
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_ms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssa`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:255:44
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn merge_lo<T: Copy, F>(ms: MergeState<T>, ssa: &mut [T], ssb: &mut [T])
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_ssa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssb`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:255:59
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn merge_lo<T: Copy, F>(ms: MergeState<T>, ssa: &mut [T], ssb: &mut [T])
[INFO] [stdout]     |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_ssb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ms`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn merge_hi<T: Copy, F>(ms: MergeState<T>, ssa: &mut [T], ssb: &mut [T])
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_ms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssa`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:261:44
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn merge_hi<T: Copy, F>(ms: MergeState<T>, ssa: &mut [T], ssb: &mut [T])
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_ssa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssb`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:261:59
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn merge_hi<T: Copy, F>(ms: MergeState<T>, ssa: &mut [T], ssb: &mut [T])
[INFO] [stdout]     |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_ssb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:48:9
[INFO] [stdout]     |
[INFO] [stdout]  48 |         merge_collapse(&mut ms, less);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^          ---- argument #2 of type `&mut [T]` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:223:4
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn merge_collapse<T: Copy, F>(ms: &mut MergeState<T>, data: &mut [T], less: &mut F)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^                                     --------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout]  48 |         merge_collapse(&mut ms, /* &mut [T] */, less);
[INFO] [stdout]     |                                 +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:53:5
[INFO] [stdout]     |
[INFO] [stdout]  53 |     merge_force_collapse(&mut ms, less);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^          ---- argument #2 of type `&mut [T]` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:217:4
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn merge_force_collapse<T: Copy, F>(ms: &mut MergeState<T>, data: &mut [T], less: &mut F)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^                                     --------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout]  53 |     merge_force_collapse(&mut ms, /* &mut [T] */, less);
[INFO] [stdout]     |                                   +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ms`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:217:37
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn merge_force_collapse<T: Copy, F>(ms: &mut MergeState<T>, data: &mut [T], less: &mut F)
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ms`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:217:61
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn merge_force_collapse<T: Copy, F>(ms: &mut MergeState<T>, data: &mut [T], less: &mut F)
[INFO] [stdout]     |                                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `less`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:217:77
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn merge_force_collapse<T: Copy, F>(ms: &mut MergeState<T>, data: &mut [T], less: &mut F)
[INFO] [stdout]     |                                                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_less`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut ssa: &mut [T] = &mut left[ms.run(i).start.. ms.run(i).end()];
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |     let mut ssb: &mut [T] = &mut right[.. ms.run(i+1).len];
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `less`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:245:75
[INFO] [stdout]     |
[INFO] [stdout] 245 | fn merge_at<T: Copy, F>(ms: &mut MergeState<T>, data: &mut [T], i: usize, less: &mut F)
[INFO] [stdout]     |                                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_less`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssa`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut ssa: &mut [T] = &mut left[ms.run(i).start.. ms.run(i).end()];
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ssa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssb`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |     let mut ssb: &mut [T] = &mut right[.. ms.run(i+1).len];
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ssb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ms`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:255:25
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn merge_lo<T: Copy, F>(ms: MergeState<T>, ssa: &mut [T], ssb: &mut [T])
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_ms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssa`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:255:44
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn merge_lo<T: Copy, F>(ms: MergeState<T>, ssa: &mut [T], ssb: &mut [T])
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_ssa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssb`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:255:59
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn merge_lo<T: Copy, F>(ms: MergeState<T>, ssa: &mut [T], ssb: &mut [T])
[INFO] [stdout]     |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_ssb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ms`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn merge_hi<T: Copy, F>(ms: MergeState<T>, ssa: &mut [T], ssb: &mut [T])
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_ms`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssa`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:261:44
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn merge_hi<T: Copy, F>(ms: MergeState<T>, ssa: &mut [T], ssb: &mut [T])
[INFO] [stdout]     |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_ssa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssb`
[INFO] [stdout]    --> src/sorts/comparison/tim.rs:261:59
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn merge_hi<T: Copy, F>(ms: MergeState<T>, ssa: &mut [T], ssb: &mut [T])
[INFO] [stdout]     |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_ssb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `search` (bin "search" test) due to 3 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c0866af4f1c0f21601bb26b2b18fb0e47e66b65a080f92957251375fe7af48c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0866af4f1c0f21601bb26b2b18fb0e47e66b65a080f92957251375fe7af48c0", kill_on_drop: false }`
[INFO] [stdout] c0866af4f1c0f21601bb26b2b18fb0e47e66b65a080f92957251375fe7af48c0
