[INFO] cloning repository https://github.com/helgardferreira/rust_collection_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/helgardferreira/rust_collection_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelgardferreira%2Frust_collection_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelgardferreira%2Frust_collection_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e33b297dc7e00c78931cfc140d062aad4baeaaf3
[INFO] testing helgardferreira/rust_collection_exercises against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelgardferreira%2Frust_collection_exercises" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/helgardferreira/rust_collection_exercises
[INFO] finished tweaking git repo https://github.com/helgardferreira/rust_collection_exercises
[INFO] tweaked toml for git repo https://github.com/helgardferreira/rust_collection_exercises written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/helgardferreira/rust_collection_exercises on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/helgardferreira/rust_collection_exercises 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 408b85c297c69bb9a5efa3267ed994c8ea492a3084ecad06a8a18da62b7de45e
[INFO] running `Command { std: "docker" "start" "-a" "408b85c297c69bb9a5efa3267ed994c8ea492a3084ecad06a8a18da62b7de45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "408b85c297c69bb9a5efa3267ed994c8ea492a3084ecad06a8a18da62b7de45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408b85c297c69bb9a5efa3267ed994c8ea492a3084ecad06a8a18da62b7de45e", kill_on_drop: false }`
[INFO] [stdout] 408b85c297c69bb9a5efa3267ed994c8ea492a3084ecad06a8a18da62b7de45e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 119d00dd55421ee10469a244a1a16738542f5b3c38bb451b25b61db9a7c29e66
[INFO] running `Command { std: "docker" "start" "-a" "119d00dd55421ee10469a244a1a16738542f5b3c38bb451b25b61db9a7c29e66", kill_on_drop: false }`
[INFO] [stderr]    Compiling collection_exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/lib.rs:16:60
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let m_nums = (&nums[(nums_len / 2) - 1], &nums[(nums_len / 2)]);
[INFO] [stdout]    |                                                            ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -             let m_nums = (&nums[(nums_len / 2) - 1], &nums[(nums_len / 2)]);
[INFO] [stdout] 16 +             let m_nums = (&nums[(nums_len / 2) - 1], &nums[nums_len / 2 ]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "119d00dd55421ee10469a244a1a16738542f5b3c38bb451b25b61db9a7c29e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119d00dd55421ee10469a244a1a16738542f5b3c38bb451b25b61db9a7c29e66", kill_on_drop: false }`
[INFO] [stdout] 119d00dd55421ee10469a244a1a16738542f5b3c38bb451b25b61db9a7c29e66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0459f840e59ab8b702491b7023c62bd221062fbd2b26f756f484d037740b5a1
[INFO] running `Command { std: "docker" "start" "-a" "b0459f840e59ab8b702491b7023c62bd221062fbd2b26f756f484d037740b5a1", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/lib.rs:16:60
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let m_nums = (&nums[(nums_len / 2) - 1], &nums[(nums_len / 2)]);
[INFO] [stdout]    |                                                            ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -             let m_nums = (&nums[(nums_len / 2) - 1], &nums[(nums_len / 2)]);
[INFO] [stdout] 16 +             let m_nums = (&nums[(nums_len / 2) - 1], &nums[nums_len / 2 ]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling collection_exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/lib.rs:16:60
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let m_nums = (&nums[(nums_len / 2) - 1], &nums[(nums_len / 2)]);
[INFO] [stdout]    |                                                            ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -             let m_nums = (&nums[(nums_len / 2) - 1], &nums[(nums_len / 2)]);
[INFO] [stdout] 16 +             let m_nums = (&nums[(nums_len / 2) - 1], &nums[nums_len / 2 ]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "b0459f840e59ab8b702491b7023c62bd221062fbd2b26f756f484d037740b5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0459f840e59ab8b702491b7023c62bd221062fbd2b26f756f484d037740b5a1", kill_on_drop: false }`
[INFO] [stdout] b0459f840e59ab8b702491b7023c62bd221062fbd2b26f756f484d037740b5a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 174905daf02ad312a2bbb09362c6efd8e820067348bf3ffd6d57c2388a3cf35c
[INFO] running `Command { std: "docker" "start" "-a" "174905daf02ad312a2bbb09362c6efd8e820067348bf3ffd6d57c2388a3cf35c", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/lib.rs:16:60
[INFO] [stderr]    |
[INFO] [stderr] 16 |             let m_nums = (&nums[(nums_len / 2) - 1], &nums[(nums_len / 2)]);
[INFO] [stderr]    |                                                            ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 16 -             let m_nums = (&nums[(nums_len / 2) - 1], &nums[(nums_len / 2)]);
[INFO] [stderr] 16 +             let m_nums = (&nums[(nums_len / 2) - 1], &nums[nums_len / 2 ]);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `collection_exercises` (lib) generated 1 warning (run `cargo fix --lib -p collection_exercises` to apply 1 suggestion)
[INFO] [stderr] warning: `collection_exercises` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/collection_exercises-4a6258c00797a46c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/collection_exercises-a848c9a8b25b18a9)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests collection_exercises
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/lib.rs:16:60
[INFO] [stderr]    |
[INFO] [stderr] 16 |             let m_nums = (&nums[(nums_len / 2) - 1], &nums[(nums_len / 2)]);
[INFO] [stderr]    |                                                            ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 16 -             let m_nums = (&nums[(nums_len / 2) - 1], &nums[(nums_len / 2)]);
[INFO] [stderr] 16 +             let m_nums = (&nums[(nums_len / 2) - 1], &nums[nums_len / 2 ]);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "174905daf02ad312a2bbb09362c6efd8e820067348bf3ffd6d57c2388a3cf35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "174905daf02ad312a2bbb09362c6efd8e820067348bf3ffd6d57c2388a3cf35c", kill_on_drop: false }`
[INFO] [stdout] 174905daf02ad312a2bbb09362c6efd8e820067348bf3ffd6d57c2388a3cf35c
