[INFO] cloning repository https://github.com/gcsequino/parallel_merge [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gcsequino/parallel_merge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcsequino%2Fparallel_merge", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcsequino%2Fparallel_merge'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3cb6d547c856548e071b544459c4ce0b06a2fd94 [INFO] testing gcsequino/parallel_merge against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcsequino%2Fparallel_merge" "/workspace/builds/worker-116/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gcsequino/parallel_merge on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gcsequino/parallel_merge [INFO] finished tweaking git repo https://github.com/gcsequino/parallel_merge [INFO] tweaked toml for git repo https://github.com/gcsequino/parallel_merge written to /workspace/builds/worker-116/source/Cargo.toml [INFO] crate git repo https://github.com/gcsequino/parallel_merge already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad46e9f1715827cd267e0f2863c076355709328d9894b9e3385b5e7f25a0f59e [INFO] running `Command { std: "docker" "start" "-a" "ad46e9f1715827cd267e0f2863c076355709328d9894b9e3385b5e7f25a0f59e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad46e9f1715827cd267e0f2863c076355709328d9894b9e3385b5e7f25a0f59e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad46e9f1715827cd267e0f2863c076355709328d9894b9e3385b5e7f25a0f59e", kill_on_drop: false }` [INFO] [stdout] ad46e9f1715827cd267e0f2863c076355709328d9894b9e3385b5e7f25a0f59e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26f33de93959db20f189611f7fc9065a64d9517a52c321d13d0b220d8ff6885e [INFO] running `Command { std: "docker" "start" "-a" "26f33de93959db20f189611f7fc9065a64d9517a52c321d13d0b220d8ff6885e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling parallel_merge v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> src/main.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | fn p_merge_sort(mut arr: &mut Vec) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/main.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | fn p_merge(left: &mut Vec, right: &mut Vec, arr: &mut Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/main.rs:42:33 [INFO] [stdout] | [INFO] [stdout] 42 | fn p_merge(left: &mut Vec, right: &mut Vec, arr: &mut Vec) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> src/main.rs:42:55 [INFO] [stdout] | [INFO] [stdout] 42 | fn p_merge(left: &mut Vec, right: &mut Vec, arr: &mut Vec) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | fn p_merge_sort(mut arr: &mut Vec) { [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: function is never used: `p_merge_sort` [INFO] [stdout] --> src/main.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn p_merge_sort(mut arr: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `p_merge` [INFO] [stdout] --> src/main.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn p_merge(left: &mut Vec, right: &mut Vec, arr: &mut Vec) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "26f33de93959db20f189611f7fc9065a64d9517a52c321d13d0b220d8ff6885e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26f33de93959db20f189611f7fc9065a64d9517a52c321d13d0b220d8ff6885e", kill_on_drop: false }` [INFO] [stdout] 26f33de93959db20f189611f7fc9065a64d9517a52c321d13d0b220d8ff6885e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a13d4190610d9591226b82247d41bc0576f41c73011291fe60cb91340eed025 [INFO] running `Command { std: "docker" "start" "-a" "0a13d4190610d9591226b82247d41bc0576f41c73011291fe60cb91340eed025", kill_on_drop: false }` [INFO] [stderr] Compiling parallel_merge v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> src/main.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | fn p_merge_sort(mut arr: &mut Vec) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/main.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | fn p_merge(left: &mut Vec, right: &mut Vec, arr: &mut Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/main.rs:42:33 [INFO] [stdout] | [INFO] [stdout] 42 | fn p_merge(left: &mut Vec, right: &mut Vec, arr: &mut Vec) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> src/main.rs:42:55 [INFO] [stdout] | [INFO] [stdout] 42 | fn p_merge(left: &mut Vec, right: &mut Vec, arr: &mut Vec) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | fn p_merge_sort(mut arr: &mut Vec) { [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: function is never used: `p_merge_sort` [INFO] [stdout] --> src/main.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn p_merge_sort(mut arr: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `p_merge` [INFO] [stdout] --> src/main.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn p_merge(left: &mut Vec, right: &mut Vec, arr: &mut Vec) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 10.66s [INFO] running `Command { std: "docker" "inspect" "0a13d4190610d9591226b82247d41bc0576f41c73011291fe60cb91340eed025", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a13d4190610d9591226b82247d41bc0576f41c73011291fe60cb91340eed025", kill_on_drop: false }` [INFO] [stdout] 0a13d4190610d9591226b82247d41bc0576f41c73011291fe60cb91340eed025 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8a626b71c4e999b8cd4737f23bf223204dec52b8f1a5ba27e67164c9c5565033 [INFO] running `Command { std: "docker" "start" "-a" "8a626b71c4e999b8cd4737f23bf223204dec52b8f1a5ba27e67164c9c5565033", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `arr` [INFO] [stderr] --> src/main.rs:38:21 [INFO] [stderr] | [INFO] [stderr] 38 | fn p_merge_sort(mut arr: &mut Vec) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `left` [INFO] [stderr] --> src/main.rs:42:12 [INFO] [stderr] | [INFO] [stderr] 42 | fn p_merge(left: &mut Vec, right: &mut Vec, arr: &mut Vec) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `right` [INFO] [stderr] --> src/main.rs:42:33 [INFO] [stderr] | [INFO] [stderr] 42 | fn p_merge(left: &mut Vec, right: &mut Vec, arr: &mut Vec) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `arr` [INFO] [stderr] --> src/main.rs:42:55 [INFO] [stderr] | [INFO] [stderr] 42 | fn p_merge(left: &mut Vec, right: &mut Vec, arr: &mut Vec) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:38:17 [INFO] [stderr] | [INFO] [stderr] 38 | fn p_merge_sort(mut arr: &mut Vec) { [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: function is never used: `p_merge_sort` [INFO] [stderr] --> src/main.rs:38:4 [INFO] [stderr] | [INFO] [stderr] 38 | fn p_merge_sort(mut arr: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `p_merge` [INFO] [stderr] --> src/main.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn p_merge(left: &mut Vec, right: &mut Vec, arr: &mut Vec) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `parallel_merge` (bin "parallel_merge" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 18.80s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/parallel_merge-67168c44ca6d3c75) [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" "8a626b71c4e999b8cd4737f23bf223204dec52b8f1a5ba27e67164c9c5565033", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a626b71c4e999b8cd4737f23bf223204dec52b8f1a5ba27e67164c9c5565033", kill_on_drop: false }` [INFO] [stdout] 8a626b71c4e999b8cd4737f23bf223204dec52b8f1a5ba27e67164c9c5565033