[INFO] cloning repository https://github.com/jatin510/rust-practice-tokio [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jatin510/rust-practice-tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjatin510%2Frust-practice-tokio", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjatin510%2Frust-practice-tokio'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2615a958e6d9ca776e61ae54b83638b9aaabea78 [INFO] testing jatin510/rust-practice-tokio against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjatin510%2Frust-practice-tokio" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jatin510/rust-practice-tokio [INFO] finished tweaking git repo https://github.com/jatin510/rust-practice-tokio [INFO] tweaked toml for git repo https://github.com/jatin510/rust-practice-tokio written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jatin510/rust-practice-tokio on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jatin510/rust-practice-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 91c02773a2c8fe021d324cf9ecd08499dab1dcebffb09ae56ff9c45c429e61ae [INFO] running `Command { std: "docker" "start" "-a" "91c02773a2c8fe021d324cf9ecd08499dab1dcebffb09ae56ff9c45c429e61ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91c02773a2c8fe021d324cf9ecd08499dab1dcebffb09ae56ff9c45c429e61ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91c02773a2c8fe021d324cf9ecd08499dab1dcebffb09ae56ff9c45c429e61ae", kill_on_drop: false }` [INFO] [stdout] 91c02773a2c8fe021d324cf9ecd08499dab1dcebffb09ae56ff9c45c429e61ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] fae4a10f655a71070c6936ebf108d4ac5189d8f4c437d02ea101089af95929a0 [INFO] running `Command { std: "docker" "start" "-a" "fae4a10f655a71070c6936ebf108d4ac5189d8f4c437d02ea101089af95929a0", kill_on_drop: false }` [INFO] [stderr] Compiling smallvec v1.14.0 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tokio v1.44.1 [INFO] [stderr] Compiling practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `counter` [INFO] [stdout] --> src/main.rs:39:20 [INFO] [stdout] | [INFO] [stdout] 39 | async fn email_job(counter: Arc) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut counter = Arc::new(0); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.73s [INFO] running `Command { std: "docker" "inspect" "fae4a10f655a71070c6936ebf108d4ac5189d8f4c437d02ea101089af95929a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fae4a10f655a71070c6936ebf108d4ac5189d8f4c437d02ea101089af95929a0", kill_on_drop: false }` [INFO] [stdout] fae4a10f655a71070c6936ebf108d4ac5189d8f4c437d02ea101089af95929a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 005fedad190c22bdbad62c74bc47b6ba24408112e1a3498f39fc4b2993012bad [INFO] running `Command { std: "docker" "start" "-a" "005fedad190c22bdbad62c74bc47b6ba24408112e1a3498f39fc4b2993012bad", kill_on_drop: false }` [INFO] [stderr] Compiling practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `counter` [INFO] [stdout] --> src/main.rs:39:20 [INFO] [stdout] | [INFO] [stdout] 39 | async fn email_job(counter: Arc) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut counter = Arc::new(0); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "005fedad190c22bdbad62c74bc47b6ba24408112e1a3498f39fc4b2993012bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "005fedad190c22bdbad62c74bc47b6ba24408112e1a3498f39fc4b2993012bad", kill_on_drop: false }` [INFO] [stdout] 005fedad190c22bdbad62c74bc47b6ba24408112e1a3498f39fc4b2993012bad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 19e601bfc4fbd8120cb31636c126b6a1c7c80e41e21cab5c8378a42d9ba389e7 [INFO] running `Command { std: "docker" "start" "-a" "19e601bfc4fbd8120cb31636c126b6a1c7c80e41e21cab5c8378a42d9ba389e7", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `counter` [INFO] [stderr] --> src/main.rs:39:20 [INFO] [stderr] | [INFO] [stderr] 39 | async fn email_job(counter: Arc) { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let mut counter = Arc::new(0); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `practice` (bin "practice" test) generated 2 warnings (run `cargo fix --bin "practice" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/practice-7638a2f935fa5e21) [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" "19e601bfc4fbd8120cb31636c126b6a1c7c80e41e21cab5c8378a42d9ba389e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19e601bfc4fbd8120cb31636c126b6a1c7c80e41e21cab5c8378a42d9ba389e7", kill_on_drop: false }` [INFO] [stdout] 19e601bfc4fbd8120cb31636c126b6a1c7c80e41e21cab5c8378a42d9ba389e7