[INFO] cloning repository https://github.com/Aaqib-kk/Asynchronous_Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aaqib-kk/Asynchronous_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaqib-kk%2FAsynchronous_Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaqib-kk%2FAsynchronous_Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b6f6d0c78506276315082121254c108c69f997c9 [INFO] testing Aaqib-kk/Asynchronous_Rust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaqib-kk%2FAsynchronous_Rust" "/workspace/builds/worker-26/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'... 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[INFO] validating manifest of git repo https://github.com/Aaqib-kk/Asynchronous_Rust on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Aaqib-kk/Asynchronous_Rust [INFO] finished tweaking git repo https://github.com/Aaqib-kk/Asynchronous_Rust [INFO] tweaked toml for git repo https://github.com/Aaqib-kk/Asynchronous_Rust written to /workspace/builds/worker-26/source/Cargo.toml [INFO] crate git repo https://github.com/Aaqib-kk/Asynchronous_Rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c8db3cd6ea45dd4754129180c6e41a50824292fbd5f5aacb8779a3169761aa57 [INFO] running `Command { std: "docker" "start" "-a" "c8db3cd6ea45dd4754129180c6e41a50824292fbd5f5aacb8779a3169761aa57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8db3cd6ea45dd4754129180c6e41a50824292fbd5f5aacb8779a3169761aa57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8db3cd6ea45dd4754129180c6e41a50824292fbd5f5aacb8779a3169761aa57", kill_on_drop: false }` [INFO] [stdout] c8db3cd6ea45dd4754129180c6e41a50824292fbd5f5aacb8779a3169761aa57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4feb1b34fb48ddb1b78e56e956c6f43183b3b93c58f6bbd69326a1bb8f8f100 [INFO] running `Command { std: "docker" "start" "-a" "d4feb1b34fb48ddb1b78e56e956c6f43183b3b93c58f6bbd69326a1bb8f8f100", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling once_cell v1.3.1 [INFO] [stderr] Compiling pin-project-lite v0.1.4 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling async-task v1.3.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling crossbeam-channel v0.4.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling async-std v1.5.0 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling async_1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:166:5 [INFO] [stdout] | [INFO] [stdout] 166 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f1` [INFO] [stdout] --> src/main.rs:200:9 [INFO] [stdout] | [INFO] [stdout] 200 | let f1 = learn_song().await; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f2` [INFO] [stdout] --> src/main.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | let f2 = sing_song().await; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.57s [INFO] running `Command { std: "docker" "inspect" "d4feb1b34fb48ddb1b78e56e956c6f43183b3b93c58f6bbd69326a1bb8f8f100", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4feb1b34fb48ddb1b78e56e956c6f43183b3b93c58f6bbd69326a1bb8f8f100", kill_on_drop: false }` [INFO] [stdout] d4feb1b34fb48ddb1b78e56e956c6f43183b3b93c58f6bbd69326a1bb8f8f100 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b55b950a0a7429ef958c631d8b65a9e35c94aa7cb3c519016670d851bd76284 [INFO] running `Command { std: "docker" "start" "-a" "7b55b950a0a7429ef958c631d8b65a9e35c94aa7cb3c519016670d851bd76284", kill_on_drop: false }` [INFO] [stderr] Compiling async_1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:166:5 [INFO] [stdout] | [INFO] [stdout] 166 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f1` [INFO] [stdout] --> src/main.rs:200:9 [INFO] [stdout] | [INFO] [stdout] 200 | let f1 = learn_song().await; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f2` [INFO] [stdout] --> src/main.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | let f2 = sing_song().await; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.47s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/async_1-120a07a4726ea439) [INFO] running `Command { std: "docker" "inspect" "7b55b950a0a7429ef958c631d8b65a9e35c94aa7cb3c519016670d851bd76284", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b55b950a0a7429ef958c631d8b65a9e35c94aa7cb3c519016670d851bd76284", kill_on_drop: false }` [INFO] [stdout] 7b55b950a0a7429ef958c631d8b65a9e35c94aa7cb3c519016670d851bd76284 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ccd698fe0eac62597d27490eeee8d48f2ab0e8fd8aa7ce1d9a689ad03f940b0b [INFO] running `Command { std: "docker" "start" "-a" "ccd698fe0eac62597d27490eeee8d48f2ab0e8fd8aa7ce1d9a689ad03f940b0b", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/main.rs:166:5 [INFO] [stderr] | [INFO] [stderr] 166 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f1` [INFO] [stderr] --> src/main.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | let f1 = learn_song().await; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_f1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f2` [INFO] [stderr] --> src/main.rs:201:9 [INFO] [stderr] | [INFO] [stderr] 201 | let f2 = sing_song().await; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_f2` [INFO] [stderr] [INFO] [stderr] warning: `async_1` (bin "async_1" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/async_1-120a07a4726ea439) [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" "ccd698fe0eac62597d27490eeee8d48f2ab0e8fd8aa7ce1d9a689ad03f940b0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccd698fe0eac62597d27490eeee8d48f2ab0e8fd8aa7ce1d9a689ad03f940b0b", kill_on_drop: false }` [INFO] [stdout] ccd698fe0eac62597d27490eeee8d48f2ab0e8fd8aa7ce1d9a689ad03f940b0b