[INFO] cloning repository https://github.com/johnramsden/rust-conctesting [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnramsden/rust-conctesting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnramsden%2Frust-conctesting", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnramsden%2Frust-conctesting'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1798c949f9fb520112cc097ff3268d23815f99bb [INFO] testing johnramsden/rust-conctesting against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnramsden%2Frust-conctesting" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/johnramsden/rust-conctesting [INFO] finished tweaking git repo https://github.com/johnramsden/rust-conctesting [INFO] tweaked toml for git repo https://github.com/johnramsden/rust-conctesting written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/johnramsden/rust-conctesting on toolchain 1.99.0-beta.1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/johnramsden/rust-conctesting 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a [INFO] running `Command { std: "docker" "start" "c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling libc v1.0.0-alpha.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling bitflags v2.9.0 [INFO] [stderr] Compiling tokio v1.45.0 [INFO] [stderr] Compiling nix v0.30.1 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling conc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/runner/mod.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::os::unix::fs::OpenOptionsExt` [INFO] [stdout] --> src/disk.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::os::unix::fs::OpenOptionsExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::time::sleep` [INFO] [stdout] --> src/disk.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use tokio::time::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/runner/asyncrunner.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | let mut processing_tasks = FuturesUnordered::new(); [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: field `device` is never read [INFO] [stdout] --> src/disk.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Disk { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 13 | handle: File, [INFO] [stdout] 14 | device: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 19.56s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.30.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling conc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/runner/mod.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::os::unix::fs::OpenOptionsExt` [INFO] [stdout] --> src/disk.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::os::unix::fs::OpenOptionsExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::time::sleep` [INFO] [stdout] --> src/disk.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use tokio::time::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/runner/asyncrunner.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | let mut processing_tasks = FuturesUnordered::new(); [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: field `device` is never read [INFO] [stdout] --> src/disk.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Disk { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 13 | handle: File, [INFO] [stdout] 14 | device: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/runner/mod.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::os::unix::fs::OpenOptionsExt` [INFO] [stdout] --> src/disk.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::os::unix::fs::OpenOptionsExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::time::sleep` [INFO] [stdout] --> src/disk.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use tokio::time::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/runner/asyncrunner.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | let mut processing_tasks = FuturesUnordered::new(); [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: field `device` is never read [INFO] [stdout] --> src/disk.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Disk { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 13 | handle: File, [INFO] [stdout] 14 | device: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.47s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.30.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Mutex` [INFO] [stderr] --> src/runner/mod.rs:8:22 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] 8 | use std::sync::{Arc, Mutex}; [INFO] [stdout] [INFO] [stderr] | ^^^^^ [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] running 0 tests [INFO] [stderr] warning: unused import: `std::os::unix::fs::OpenOptionsExt` [INFO] [stdout] [INFO] [stderr] --> src/disk.rs:4:5 [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 4 | use std::os::unix::fs::OpenOptionsExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::time::sleep` [INFO] [stderr] --> src/disk.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use tokio::time::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/runner/asyncrunner.rs:88:17 [INFO] [stderr] | [INFO] [stderr] 88 | let mut processing_tasks = FuturesUnordered::new(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `device` is never read [INFO] [stderr] --> src/disk.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 12 | pub struct Disk { [INFO] [stderr] | ---- field in this struct [INFO] [stderr] 13 | handle: File, [INFO] [stderr] 14 | device: String, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `conc` (lib) generated 5 warnings (run `cargo fix --lib -p conc` to apply 4 suggestions) [INFO] [stderr] warning: `conc` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.05s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.30.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/release/deps/conc-a7891b2f64c9e262) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/release/deps/conc-8b2069d049b16b2a) [INFO] [stderr] Doc-tests conc [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" "c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a", kill_on_drop: false }` [INFO] [stdout] c74921ffae27bcbd8ab38d290d969bf03783ec457f4948316add90bfc258dc4a