[INFO] fetching crate sort_alogorithms 0.1.1...
[INFO] checking sort_alogorithms-0.1.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate sort_alogorithms 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sort_alogorithms 0.1.1
[INFO] finished tweaking crates.io crate sort_alogorithms 0.1.1
[INFO] tweaked toml for crates.io crate sort_alogorithms 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sort_alogorithms 0.1.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ea4d7a3431bc1d185b8a82fb5966a05e0554f20540cfbde05574225b2fe3450
[INFO] running `Command { std: "docker" "start" "-a" "1ea4d7a3431bc1d185b8a82fb5966a05e0554f20540cfbde05574225b2fe3450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ea4d7a3431bc1d185b8a82fb5966a05e0554f20540cfbde05574225b2fe3450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea4d7a3431bc1d185b8a82fb5966a05e0554f20540cfbde05574225b2fe3450", kill_on_drop: false }`
[INFO] [stdout] 1ea4d7a3431bc1d185b8a82fb5966a05e0554f20540cfbde05574225b2fe3450
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abbbb22a3d67c14ebeb27e161c1499bb5c41b2d075159b944f2d8288f9f2307b
[INFO] running `Command { std: "docker" "start" "-a" "abbbb22a3d67c14ebeb27e161c1499bb5c41b2d075159b944f2d8288f9f2307b", kill_on_drop: false }`
[INFO] [stderr]     Checking sort_alogorithms v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/sort/quick_sort.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut pivot = arr[end];
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/sort/quick_sort.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut pivot = arr[end];
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/sort/merge_sort.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut size = end - begin + 1;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/sort/merge_sort.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut size = end - begin + 1;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sort/merge_sort.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut size = end - begin + 1;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sort/merge_sort.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut size = end - begin + 1;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sort/radix_sort.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut bigger: i32 = arr
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sort/radix_sort.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut arr2 = arr.clone();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sort/radix_sort.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut bigger: i32 = arr
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sort/radix_sort.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut arr2 = arr.clone();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "abbbb22a3d67c14ebeb27e161c1499bb5c41b2d075159b944f2d8288f9f2307b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abbbb22a3d67c14ebeb27e161c1499bb5c41b2d075159b944f2d8288f9f2307b", kill_on_drop: false }`
[INFO] [stdout] abbbb22a3d67c14ebeb27e161c1499bb5c41b2d075159b944f2d8288f9f2307b