[INFO] fetching crate mycorrh 0.1.1... [INFO] checking mycorrh-0.1.1 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930 [INFO] extracting crate mycorrh 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate mycorrh 0.1.1 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mycorrh 0.1.1 [INFO] finished tweaking crates.io crate mycorrh 0.1.1 [INFO] tweaked toml for crates.io crate mycorrh 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 42 packages to latest compatible versions [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 907537c6eda9db92d5dffab3707108214ee6ff88aff7a8a7ffb77cc87ca40fde [INFO] running `Command { std: "docker" "start" "-a" "907537c6eda9db92d5dffab3707108214ee6ff88aff7a8a7ffb77cc87ca40fde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "907537c6eda9db92d5dffab3707108214ee6ff88aff7a8a7ffb77cc87ca40fde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "907537c6eda9db92d5dffab3707108214ee6ff88aff7a8a7ffb77cc87ca40fde", kill_on_drop: false }` [INFO] [stdout] 907537c6eda9db92d5dffab3707108214ee6ff88aff7a8a7ffb77cc87ca40fde [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3fc54928428616c6cee774aa2f105a1541e772fe4b7acf6c9ccc58cecba7aa18 [INFO] running `Command { std: "docker" "start" "-a" "3fc54928428616c6cee774aa2f105a1541e772fe4b7acf6c9ccc58cecba7aa18", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Checking mycorrh v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around pattern [INFO] [stdout] --> src/lib.rs:289:13 [INFO] [stdout] | [INFO] [stdout] 289 | let (res_1) = tokio::join!(task_1); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 289 - let (res_1) = tokio::join!(task_1); [INFO] [stdout] 289 + let res_1 = tokio::join!(task_1); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/message.rs:67:16 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn new(mut message_tx: Sender>) -> Self { [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | let (message_tx, mut message_rx) = mpsc::channel::(256); [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] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/message.rs:67:16 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn new(mut message_tx: Sender>) -> Self { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res_1` [INFO] [stdout] --> src/lib.rs:289:14 [INFO] [stdout] | [INFO] [stdout] 289 | let (res_1) = tokio::join!(task_1); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_res_1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Decrement` is never constructed [INFO] [stdout] --> src/lib.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 26 | enum TestMessage { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 27 | Increment, [INFO] [stdout] 28 | Decrement, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `FailedToDecrement` is never constructed [INFO] [stdout] --> src/lib.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 49 | enum TestError { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 52 | FailedToDecrement, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `decrement` is never used [INFO] [stdout] --> src/lib.rs:172:22 [INFO] [stdout] | [INFO] [stdout] 90 | impl TestEventLoop { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 172 | pub async fn decrement(&self) -> Result<(), TestError> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "3fc54928428616c6cee774aa2f105a1541e772fe4b7acf6c9ccc58cecba7aa18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fc54928428616c6cee774aa2f105a1541e772fe4b7acf6c9ccc58cecba7aa18", kill_on_drop: false }` [INFO] [stdout] 3fc54928428616c6cee774aa2f105a1541e772fe4b7acf6c9ccc58cecba7aa18