[INFO] cloning repository https://github.com/ridleywinters/rust-producer-consumer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ridleywinters/rust-producer-consumer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fridleywinters%2Frust-producer-consumer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fridleywinters%2Frust-producer-consumer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9029d1285722b6fd3ef0edf4e660251b346374e6 [INFO] checking ridleywinters/rust-producer-consumer against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fridleywinters%2Frust-producer-consumer" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ridleywinters/rust-producer-consumer on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ridleywinters/rust-producer-consumer [INFO] finished tweaking git repo https://github.com/ridleywinters/rust-producer-consumer [INFO] tweaked toml for git repo https://github.com/ridleywinters/rust-producer-consumer written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/ridleywinters/rust-producer-consumer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rgb v0.8.18 [INFO] [stderr] Downloaded lodepng v2.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d95db2dcd5564c28a5bd5423a152aacd2e17a69ca33fef038a5c73c3e08921d6 [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" "d95db2dcd5564c28a5bd5423a152aacd2e17a69ca33fef038a5c73c3e08921d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d95db2dcd5564c28a5bd5423a152aacd2e17a69ca33fef038a5c73c3e08921d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d95db2dcd5564c28a5bd5423a152aacd2e17a69ca33fef038a5c73c3e08921d6", kill_on_drop: false }` [INFO] [stdout] d95db2dcd5564c28a5bd5423a152aacd2e17a69ca33fef038a5c73c3e08921d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c329d469185eb1604339ac4174e51904398c33ebab598dc084c9733f4c4e1ff2 [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" "c329d469185eb1604339ac4174e51904398c33ebab598dc084c9733f4c4e1ff2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking rgb v0.8.18 [INFO] [stderr] Checking lodepng v2.6.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking producer_consumer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Receiver` [INFO] [stdout] --> src/bin/main-03.rs:1:32 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::mpsc::{channel, Receiver, Sender}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/bin/main-03.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/bin/main-03.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::seq::SliceRandom` [INFO] [stdout] --> src/bin/main-02.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::seq::SliceRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::thread_rng` [INFO] [stdout] --> src/bin/main-02.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand::thread_rng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender` [INFO] [stdout] --> src/bin/main-02.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::mpsc::{channel, Receiver, Sender}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/bin/main-02.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/bin/main-02.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::seq::SliceRandom` [INFO] [stdout] --> src/bin/main-01.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::seq::SliceRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::thread_rng` [INFO] [stdout] --> src/bin/main-01.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand::thread_rng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `channel` [INFO] [stdout] --> src/bin/main-01.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::mpsc::{channel, Receiver, Sender}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/bin/main-01.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/bin/main-01.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::seq::SliceRandom` [INFO] [stdout] --> src/bin/main-01.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::seq::SliceRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::thread_rng` [INFO] [stdout] --> src/bin/main-01.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand::thread_rng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `channel` [INFO] [stdout] --> src/bin/main-01.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::mpsc::{channel, Receiver, Sender}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/bin/main-01.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/bin/main-01.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Receiver` [INFO] [stdout] --> src/bin/main-03.rs:1:32 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::mpsc::{channel, Receiver, Sender}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/bin/main-03.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/bin/main-03.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::seq::SliceRandom` [INFO] [stdout] --> src/bin/main-02.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::seq::SliceRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::thread_rng` [INFO] [stdout] --> src/bin/main-02.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rand::thread_rng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender` [INFO] [stdout] --> src/bin/main-02.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::mpsc::{channel, Receiver, Sender}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/bin/main-02.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/bin/main-02.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `render_tile` [INFO] [stdout] --> src/bin/main-03.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn render_tile(mut tile: Tile) -> Tile { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `handle` [INFO] [stdout] --> src/bin/main-03.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | handle: std::thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/main-03.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | parent_tx.send(tile); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/main-03.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | pool[tile_id % pool.len()].tx.send(tile); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `render_tile` [INFO] [stdout] --> src/bin/main-03.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn render_tile(mut tile: Tile) -> Tile { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `handle` [INFO] [stdout] --> src/bin/main-03.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | handle: std::thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/main-02.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | tx.send(tile); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/main-03.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | parent_tx.send(tile); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/main-03.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | pool[tile_id % pool.len()].tx.send(tile); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/main-02.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | tx.send(tile); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.97s [INFO] running `Command { std: "docker" "inspect" "c329d469185eb1604339ac4174e51904398c33ebab598dc084c9733f4c4e1ff2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c329d469185eb1604339ac4174e51904398c33ebab598dc084c9733f4c4e1ff2", kill_on_drop: false }` [INFO] [stdout] c329d469185eb1604339ac4174e51904398c33ebab598dc084c9733f4c4e1ff2