[INFO] cloning repository https://github.com/ninjapiraatti/rustsandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ninjapiraatti/rustsandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fninjapiraatti%2Frustsandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fninjapiraatti%2Frustsandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8db87ecffdf259bf80a9d01f127f4b42fab80443
[INFO] testing ninjapiraatti/rustsandbox against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fninjapiraatti%2Frustsandbox" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ninjapiraatti/rustsandbox on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ninjapiraatti/rustsandbox
[INFO] finished tweaking git repo https://github.com/ninjapiraatti/rustsandbox
[INFO] tweaked toml for git repo https://github.com/ninjapiraatti/rustsandbox written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ninjapiraatti/rustsandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c98788f22f7dc1ef561061017c1208cc8f087caa0e0ccf6e6a252e65c4ceff8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c98788f22f7dc1ef561061017c1208cc8f087caa0e0ccf6e6a252e65c4ceff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c98788f22f7dc1ef561061017c1208cc8f087caa0e0ccf6e6a252e65c4ceff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c98788f22f7dc1ef561061017c1208cc8f087caa0e0ccf6e6a252e65c4ceff8", kill_on_drop: false }`
[INFO] [stdout] 0c98788f22f7dc1ef561061017c1208cc8f087caa0e0ccf6e6a252e65c4ceff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20fcd9da061a391c20ee8dbe2521e91cb43a376e27c810ce63797e880aeb5a60
[INFO] running `Command { std: "docker" "start" "-a" "20fcd9da061a391c20ee8dbe2521e91cb43a376e27c810ce63797e880aeb5a60", kill_on_drop: false }`
[INFO] [stderr]    Compiling helloworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/basics/boxx.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/basics/oopish.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "20fcd9da061a391c20ee8dbe2521e91cb43a376e27c810ce63797e880aeb5a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20fcd9da061a391c20ee8dbe2521e91cb43a376e27c810ce63797e880aeb5a60", kill_on_drop: false }`
[INFO] [stdout] 20fcd9da061a391c20ee8dbe2521e91cb43a376e27c810ce63797e880aeb5a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4571a1b031d8972d1e9e9344716b2375ed30d3d6b34cfa4945986511bade71ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4571a1b031d8972d1e9e9344716b2375ed30d3d6b34cfa4945986511bade71ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling helloworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v2_sorted`
[INFO] [stdout]   --> src/udemy_hands_on/udemy_ho_quicksort.rs:65:11
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut v2_sorted = quick_sort(&mut v2);
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v2_sorted`
[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/udemy_hands_on/udemy_ho_quicksort.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut v2_sorted = quick_sort(&mut v2);
[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: field is never read: `name`
[INFO] [stdout]  --> src/basics/boxx.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/basics/oopish.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "4571a1b031d8972d1e9e9344716b2375ed30d3d6b34cfa4945986511bade71ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4571a1b031d8972d1e9e9344716b2375ed30d3d6b34cfa4945986511bade71ac", kill_on_drop: false }`
[INFO] [stdout] 4571a1b031d8972d1e9e9344716b2375ed30d3d6b34cfa4945986511bade71ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d503057103a1f1bc0f525050ac63befe5b593db53e5f656dcd8565cd89ee3cac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d503057103a1f1bc0f525050ac63befe5b593db53e5f656dcd8565cd89ee3cac", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `v2_sorted`
[INFO] [stderr]   --> src/udemy_hands_on/udemy_ho_quicksort.rs:65:11
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut v2_sorted = quick_sort(&mut v2);
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v2_sorted`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/udemy_hands_on/udemy_ho_quicksort.rs:65:7
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut v2_sorted = quick_sort(&mut v2);
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/basics/boxx.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     pub name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/basics/oopish.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     pub name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/helloworld-3ddf00df68bbddd9)
[INFO] [stdout] running 11 tests
[INFO] [stdout] test codewars::codewars_casinochips::tests::example_cases ... ok
[INFO] [stdout] test codewars::codewars_century::tests::test_basic ... ok
[INFO] [stdout] test codewars::codewars_hungarian::tests::sample_tests ... ok
[INFO] [stdout] test codewars::codewars_mirror::tests::basic ... ok
[INFO] [stdout] test codewars::codewars_stones::tests::sample_tests ... ok
[INFO] [stdout] test udemy_hands_on::udemy_ho_mergesort::tests::basic ... ok
[INFO] [stdout] test udemy_hands_on::udemy_ho_quicksort::tests::basic ... ok
[INFO] [stdout] test codewars::codewars_elevator::tests::basic ... ok
[INFO] [stdout] test codewars::codewars_removep::tests::sample_tests ... ok
[INFO] [stdout] test codewars::codewars_sortbybit::tests::basic ... ok
[INFO] [stdout] test codewars::codewars_nsmallest::tests::test_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d503057103a1f1bc0f525050ac63befe5b593db53e5f656dcd8565cd89ee3cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d503057103a1f1bc0f525050ac63befe5b593db53e5f656dcd8565cd89ee3cac", kill_on_drop: false }`
[INFO] [stdout] d503057103a1f1bc0f525050ac63befe5b593db53e5f656dcd8565cd89ee3cac