[INFO] cloning repository https://github.com/cameronelliott/tokio-my-device [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cameronelliott/tokio-my-device" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcameronelliott%2Ftokio-my-device", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcameronelliott%2Ftokio-my-device'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ad40b88f5a805a18dcbadb7b2e7110c622210116 [INFO] checking cameronelliott/tokio-my-device against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcameronelliott%2Ftokio-my-device" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cameronelliott/tokio-my-device on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cameronelliott/tokio-my-device [INFO] finished tweaking git repo https://github.com/cameronelliott/tokio-my-device [INFO] tweaked toml for git repo https://github.com/cameronelliott/tokio-my-device written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cameronelliott/tokio-my-device 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded io-lifetimes v0.6.1 [INFO] [stderr] Downloaded timerfd v1.3.0 [INFO] [stderr] Downloaded syn v1.0.94 [INFO] [stderr] Downloaded rustix v0.34.6 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1534b50859b1555f2760f448d251d1eff26b206ffeb6268bc2696d2e6fe05695 [INFO] running `Command { std: "docker" "start" "-a" "1534b50859b1555f2760f448d251d1eff26b206ffeb6268bc2696d2e6fe05695", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1534b50859b1555f2760f448d251d1eff26b206ffeb6268bc2696d2e6fe05695", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1534b50859b1555f2760f448d251d1eff26b206ffeb6268bc2696d2e6fe05695", kill_on_drop: false }` [INFO] [stdout] 1534b50859b1555f2760f448d251d1eff26b206ffeb6268bc2696d2e6fe05695 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6eff10689d33da4bc86218976f9661e2d87bac91c9b8ba5807a907c00f02bb43 [INFO] running `Command { std: "docker" "start" "-a" "6eff10689d33da4bc86218976f9661e2d87bac91c9b8ba5807a907c00f02bb43", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling syn v1.0.94 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling io-lifetimes v0.6.1 [INFO] [stderr] Compiling rustix v0.34.6 [INFO] [stderr] Checking linux-raw-sys v0.0.46 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Checking futures-channel v0.3.21 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking timerfd v1.3.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.18.2 [INFO] [stderr] Checking futures-util v0.3.21 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking tokio-my-device v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `futures::future::poll_fn` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use futures::future::poll_fn; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::select` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use tokio::select; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::time::Interval` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use tokio::time::Interval; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::future::poll_fn` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use futures::future::poll_fn; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::select` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use tokio::select; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::time::Interval` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use tokio::time::Interval; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | d.tick().await; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` 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] 63 | let _ = d.tick().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | d.tick().await; [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] 65 | let _ = d.tick().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | d.tick().await; [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] 67 | let _ = d.tick().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | d.tick().await; [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] 69 | let _ = d.tick().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | d.tick().await; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` 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] 63 | let _ = d.tick().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | d.tick().await; [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] 65 | let _ = d.tick().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | d.tick().await; [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] 67 | let _ = d.tick().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | d.tick().await; [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] 69 | let _ = d.tick().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.46s [INFO] running `Command { std: "docker" "inspect" "6eff10689d33da4bc86218976f9661e2d87bac91c9b8ba5807a907c00f02bb43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6eff10689d33da4bc86218976f9661e2d87bac91c9b8ba5807a907c00f02bb43", kill_on_drop: false }` [INFO] [stdout] 6eff10689d33da4bc86218976f9661e2d87bac91c9b8ba5807a907c00f02bb43