[INFO] cloning repository https://github.com/samuel-cavalcanti/anel_multithread_ufu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samuel-cavalcanti/anel_multithread_ufu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuel-cavalcanti%2Fanel_multithread_ufu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuel-cavalcanti%2Fanel_multithread_ufu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f31251f09b60a134840822609d5c80ef8ffe597e [INFO] checking samuel-cavalcanti/anel_multithread_ufu against try#7306d3110618f84a6a4662b9e2cc4fd0d9b02da8 for pr-97346 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuel-cavalcanti%2Fanel_multithread_ufu" "/workspace/builds/worker-32/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/samuel-cavalcanti/anel_multithread_ufu on toolchain 7306d3110618f84a6a4662b9e2cc4fd0d9b02da8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/samuel-cavalcanti/anel_multithread_ufu [INFO] finished tweaking git repo https://github.com/samuel-cavalcanti/anel_multithread_ufu [INFO] tweaked toml for git repo https://github.com/samuel-cavalcanti/anel_multithread_ufu written to /workspace/builds/worker-32/source/Cargo.toml [INFO] crate git repo https://github.com/samuel-cavalcanti/anel_multithread_ufu already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24cd1f73f3088e42449c83e4ad14353c2c0798c8cdb191e80ed79dfd9ab43785 [INFO] running `Command { std: "docker" "start" "-a" "24cd1f73f3088e42449c83e4ad14353c2c0798c8cdb191e80ed79dfd9ab43785", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24cd1f73f3088e42449c83e4ad14353c2c0798c8cdb191e80ed79dfd9ab43785", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24cd1f73f3088e42449c83e4ad14353c2c0798c8cdb191e80ed79dfd9ab43785", kill_on_drop: false }` [INFO] [stdout] 24cd1f73f3088e42449c83e4ad14353c2c0798c8cdb191e80ed79dfd9ab43785 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e715242a29b28c4974808907db9197eafc9917d73474d44184d655595fd5d75f [INFO] running `Command { std: "docker" "start" "-a" "e715242a29b28c4974808907db9197eafc9917d73474d44184d655595fd5d75f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking anel_multithread v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Arc` [INFO] [stdout] --> src/main.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{mpsc, Arc}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::distributions::Alphanumeric; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SendError`, `channel` [INFO] [stdout] --> src/main.rs:9:41 [INFO] [stdout] | [INFO] [stdout] 9 | use std::sync::mpsc::{Sender, Receiver, channel, SendError}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Arc` [INFO] [stdout] --> src/main.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{mpsc, Arc}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::distributions::Alphanumeric; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SendError`, `channel` [INFO] [stdout] --> src/main.rs:9:41 [INFO] [stdout] | [INFO] [stdout] 9 | use std::sync::mpsc::{Sender, Receiver, channel, SendError}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | let result = work(rx, first_tx, current_number_of_threads); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | let result = work(rx, first_tx, current_number_of_threads); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | tx.send(new_message.clone()); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | tx.send(new_message.clone()); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | first_tx.send(random_message); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | handle.join(); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | tx.send(new_message.clone()); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | tx.send(new_message.clone()); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | first_tx.send(random_message); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | handle.join(); [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: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.96s [ERROR] error running command: no output for 300 seconds [INFO] running `Command { std: "docker" "inspect" "e715242a29b28c4974808907db9197eafc9917d73474d44184d655595fd5d75f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e715242a29b28c4974808907db9197eafc9917d73474d44184d655595fd5d75f", kill_on_drop: false }` [INFO] [stdout] e715242a29b28c4974808907db9197eafc9917d73474d44184d655595fd5d75f