[INFO] cloning repository https://github.com/zxcvc/Mini-Tokio [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxcvc/Mini-Tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxcvc%2FMini-Tokio", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxcvc%2FMini-Tokio'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0429f9ae045a4ac7b6eb30fe04900dd813e8220a [INFO] checking zxcvc/Mini-Tokio against master#ba7e63b63871a429533c189adbfb1d9a6337e000 for pr-135331-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxcvc%2FMini-Tokio" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/zxcvc/Mini-Tokio [INFO] finished tweaking git repo https://github.com/zxcvc/Mini-Tokio [INFO] tweaked toml for git repo https://github.com/zxcvc/Mini-Tokio written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/zxcvc/Mini-Tokio on toolchain ba7e63b63871a429533c189adbfb1d9a6337e000 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/zxcvc/Mini-Tokio 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" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 12b0e71e6072a8644b2d17460542670c5bbdee8aa07c27cdf5e3bd5986dabc6a [INFO] running `Command { std: "docker" "start" "-a" "12b0e71e6072a8644b2d17460542670c5bbdee8aa07c27cdf5e3bd5986dabc6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12b0e71e6072a8644b2d17460542670c5bbdee8aa07c27cdf5e3bd5986dabc6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12b0e71e6072a8644b2d17460542670c5bbdee8aa07c27cdf5e3bd5986dabc6a", kill_on_drop: false }` [INFO] [stdout] 12b0e71e6072a8644b2d17460542670c5bbdee8aa07c27cdf5e3bd5986dabc6a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db16dc8526bcedf7bcc7851b9761de719ea71f71160e9cc09ed9f4c10a446047 [INFO] running `Command { std: "docker" "start" "-a" "db16dc8526bcedf7bcc7851b9761de719ea71f71160e9cc09ed9f4c10a446047", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.5 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking crossbeam v0.8.1 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking mini-tokio v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> src/main.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | use futures::{task::ArcWake, FutureExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> src/main.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | use futures::{task::ArcWake, FutureExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Wake` [INFO] [stdout] --> src/main.rs:18:26 [INFO] [stdout] | [INFO] [stdout] 18 | use std::task::{Context, Wake}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Wake` [INFO] [stdout] --> src/main.rs:18:26 [INFO] [stdout] | [INFO] [stdout] 18 | use std::task::{Context, Wake}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Poll` that must be used [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | future.as_mut().poll(&mut cx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Poll` may be a `Pending` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 36 | let _ = future.as_mut().poll(&mut cx); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | j.join(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 75 | let _ = j.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Poll` that must be used [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | future.as_mut().poll(&mut cx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Poll` may be a `Pending` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 36 | let _ = future.as_mut().poll(&mut cx); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | j.join(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 75 | let _ = j.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.63s [INFO] running `Command { std: "docker" "inspect" "db16dc8526bcedf7bcc7851b9761de719ea71f71160e9cc09ed9f4c10a446047", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db16dc8526bcedf7bcc7851b9761de719ea71f71160e9cc09ed9f4c10a446047", kill_on_drop: false }` [INFO] [stdout] db16dc8526bcedf7bcc7851b9761de719ea71f71160e9cc09ed9f4c10a446047