[INFO] cloning repository https://github.com/traysoncombs/Sorting-Algos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/traysoncombs/Sorting-Algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftraysoncombs%2FSorting-Algos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftraysoncombs%2FSorting-Algos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e0a8fdb04251fe246400533bffb550fdd308f3a
[INFO] checking traysoncombs/Sorting-Algos against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftraysoncombs%2FSorting-Algos" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/traysoncombs/Sorting-Algos
[INFO] finished tweaking git repo https://github.com/traysoncombs/Sorting-Algos
[INFO] tweaked toml for git repo https://github.com/traysoncombs/Sorting-Algos written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/traysoncombs/Sorting-Algos on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/traysoncombs/Sorting-Algos 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81a4e5fe8281aa6823b577ce2b5323ac41f29a78bfc25cb89f041b5198d026f0
[INFO] running `Command { std: "docker" "start" "-a" "81a4e5fe8281aa6823b577ce2b5323ac41f29a78bfc25cb89f041b5198d026f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81a4e5fe8281aa6823b577ce2b5323ac41f29a78bfc25cb89f041b5198d026f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a4e5fe8281aa6823b577ce2b5323ac41f29a78bfc25cb89f041b5198d026f0", kill_on_drop: false }`
[INFO] [stdout] 81a4e5fe8281aa6823b577ce2b5323ac41f29a78bfc25cb89f041b5198d026f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 427df3be576ec169f03358c217f76edcc17556dd133e33ec7ad7b3da57dd52a0
[INFO] running `Command { std: "docker" "start" "-a" "427df3be576ec169f03358c217f76edcc17556dd133e33ec7ad7b3da57dd52a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking my-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/sorting/bubblesort.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 |   let mut swapped = swapped.unwrap_or(true);
[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: `quickie`
[INFO] [stdout]  --> src/main.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |   let quickie = |arr: &mut Vec<i32>|{
[INFO] [stdout]   |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_quickie`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bubbly`
[INFO] [stdout]   --> src/main.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let bubbly = |arr: &mut Vec<i32>|{
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bubbly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/sorting/bubblesort.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 |   let mut swapped = swapped.unwrap_or(true);
[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: `quickie`
[INFO] [stdout]  --> src/main.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |   let quickie = |arr: &mut Vec<i32>|{
[INFO] [stdout]   |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_quickie`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bubbly`
[INFO] [stdout]   --> src/main.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let bubbly = |arr: &mut Vec<i32>|{
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bubbly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "427df3be576ec169f03358c217f76edcc17556dd133e33ec7ad7b3da57dd52a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "427df3be576ec169f03358c217f76edcc17556dd133e33ec7ad7b3da57dd52a0", kill_on_drop: false }`
[INFO] [stdout] 427df3be576ec169f03358c217f76edcc17556dd133e33ec7ad7b3da57dd52a0