[INFO] cloning repository https://github.com/mooease95/rusty-relaxation [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mooease95/rusty-relaxation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmooease95%2Frusty-relaxation", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmooease95%2Frusty-relaxation'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a4c774b2302d3a131560c73cd2911b32b4f9b647 [INFO] checking mooease95/rusty-relaxation against try#69cf48176da7795067be67cef76e41a8aac9b134 for pr-146013-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmooease95%2Frusty-relaxation" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mooease95/rusty-relaxation [INFO] finished tweaking git repo https://github.com/mooease95/rusty-relaxation [INFO] tweaked toml for git repo https://github.com/mooease95/rusty-relaxation written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mooease95/rusty-relaxation on toolchain 69cf48176da7795067be67cef76e41a8aac9b134 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69cf48176da7795067be67cef76e41a8aac9b134" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mooease95/rusty-relaxation 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" "+69cf48176da7795067be67cef76e41a8aac9b134" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+69cf48176da7795067be67cef76e41a8aac9b134" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4cac1c6e25ce01ea09a65c148e863e011bd98d0699e7613db0381ccf3c07820c [INFO] running `Command { std: "docker" "start" "-a" "4cac1c6e25ce01ea09a65c148e863e011bd98d0699e7613db0381ccf3c07820c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cac1c6e25ce01ea09a65c148e863e011bd98d0699e7613db0381ccf3c07820c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cac1c6e25ce01ea09a65c148e863e011bd98d0699e7613db0381ccf3c07820c", kill_on_drop: false }` [INFO] [stdout] 4cac1c6e25ce01ea09a65c148e863e011bd98d0699e7613db0381ccf3c07820c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+69cf48176da7795067be67cef76e41a8aac9b134" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53538c17bb7786f11410cfbd368191811753cbe044c10c3945aa185658bcf05d [INFO] running `Command { std: "docker" "start" "-a" "53538c17bb7786f11410cfbd368191811753cbe044c10c3945aa185658bcf05d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.157 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling syn v2.0.75 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking rusty-relaxation v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `rows_per_thread` [INFO] [stdout] --> src/concurrent_relaxer.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let rows_per_thread: usize = context.array_size / context.no_of_threads; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rows_per_thread` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `remainders` [INFO] [stdout] --> src/concurrent_relaxer.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut remainders: usize = assignable_rows.len() % context.no_of_threads; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainders` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread_pool` [INFO] [stdout] --> src/concurrent_relaxer.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let thread_pool = ThreadPool::new(context.no_of_threads); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_pool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/concurrent_relaxer.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mut assignable_rows: Vec = initialise_row_number_stack(context.array_size - 2); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/concurrent_relaxer.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut remainders: usize = assignable_rows.len() % context.no_of_threads; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `context` [INFO] [stdout] --> src/concurrent_relaxer.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | fn thread_relax(context: &RelaxationContext, assigned_row: Vec) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `assigned_row` [INFO] [stdout] --> src/concurrent_relaxer.rs:20:46 [INFO] [stdout] | [INFO] [stdout] 20 | fn thread_relax(context: &RelaxationContext, assigned_row: Vec) { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assigned_row` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `no_of_threads` [INFO] [stdout] --> src/concurrent_relaxer.rs:38:59 [INFO] [stdout] | [INFO] [stdout] 38 | ...ble_rows: Vec, no_of_threads: &usize, rows_per_thread: usize, mut remaining: usize) -> (Vec, Vec, usize) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_of_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `assignable_rows` [INFO] [stdout] --> src/concurrent_relaxer.rs:74:14 [INFO] [stdout] | [INFO] [stdout] 74 | ... let (assignable_rows, assigned_rows, remaining): (Vec, Vec, usize) = assign_rows_to_thread(assignable_rows, &no_of_th... [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assignable_rows` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `remaining` [INFO] [stdout] --> src/concurrent_relaxer.rs:74:46 [INFO] [stdout] | [INFO] [stdout] 74 | ... let (assignable_rows, assigned_rows, remaining): (Vec, Vec, usize) = assign_rows_to_thread(assignable_rows, &no_of_th... [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rows_per_thread` [INFO] [stdout] --> src/concurrent_relaxer.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let rows_per_thread: usize = context.array_size / context.no_of_threads; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rows_per_thread` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `remainders` [INFO] [stdout] --> src/concurrent_relaxer.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut remainders: usize = assignable_rows.len() % context.no_of_threads; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainders` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/concurrent_relaxer.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | let mut remaining: usize = assignable_rows.len() % no_of_threads; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread_pool` [INFO] [stdout] --> src/concurrent_relaxer.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let thread_pool = ThreadPool::new(context.no_of_threads); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_pool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `assignable_rows` [INFO] [stdout] --> src/concurrent_relaxer.rs:102:14 [INFO] [stdout] | [INFO] [stdout] 102 | ... let (assignable_rows, assigned_rows, remaining): (Vec, Vec, usize) = assign_rows_to_thread(assignable_rows, &no_of_th... [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assignable_rows` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `remaining` [INFO] [stdout] --> src/concurrent_relaxer.rs:102:46 [INFO] [stdout] | [INFO] [stdout] 102 | ... let (assignable_rows, assigned_rows, remaining): (Vec, Vec, usize) = assign_rows_to_thread(assignable_rows, &no_of_th... [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/concurrent_relaxer.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mut assignable_rows: Vec = initialise_row_number_stack(context.array_size - 2); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/concurrent_relaxer.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut remainders: usize = assignable_rows.len() % context.no_of_threads; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `context` [INFO] [stdout] --> src/concurrent_relaxer.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | fn thread_relax(context: &RelaxationContext, assigned_row: Vec) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `assigned_row` [INFO] [stdout] --> src/concurrent_relaxer.rs:20:46 [INFO] [stdout] | [INFO] [stdout] 20 | fn thread_relax(context: &RelaxationContext, assigned_row: Vec) { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assigned_row` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `no_of_threads` [INFO] [stdout] --> src/concurrent_relaxer.rs:38:59 [INFO] [stdout] | [INFO] [stdout] 38 | ...ble_rows: Vec, no_of_threads: &usize, rows_per_thread: usize, mut remaining: usize) -> (Vec, Vec, usize) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_of_threads` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/concurrent_relaxer.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | let mut remaining: usize = assignable_rows.len() % no_of_threads; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `thread_relax` is never used [INFO] [stdout] --> src/concurrent_relaxer.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn thread_relax(context: &RelaxationContext, assigned_row: Vec) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `assign_rows_to_thread` is never used [INFO] [stdout] --> src/concurrent_relaxer.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn assign_rows_to_thread(mut assignable_rows: Vec, no_of_threads: &usize, rows_per_thread: usize, mut remaining: usize) -> (Vec src/concurrent_relaxer.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn thread_relax(context: &RelaxationContext, assigned_row: Vec) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.30s [INFO] running `Command { std: "docker" "inspect" "53538c17bb7786f11410cfbd368191811753cbe044c10c3945aa185658bcf05d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53538c17bb7786f11410cfbd368191811753cbe044c10c3945aa185658bcf05d", kill_on_drop: false }` [INFO] [stdout] 53538c17bb7786f11410cfbd368191811753cbe044c10c3945aa185658bcf05d