[INFO] fetching crate mycorrh 0.1.1... [INFO] checking mycorrh-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate mycorrh 0.1.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate mycorrh 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 53 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 56f05b6ad5a3c38caeec25dbe8da4d0cbbc5a96ed1d0318325a2e65f51c62192 [INFO] running `Command { std: "docker" "start" "-a" "56f05b6ad5a3c38caeec25dbe8da4d0cbbc5a96ed1d0318325a2e65f51c62192", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56f05b6ad5a3c38caeec25dbe8da4d0cbbc5a96ed1d0318325a2e65f51c62192", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56f05b6ad5a3c38caeec25dbe8da4d0cbbc5a96ed1d0318325a2e65f51c62192", kill_on_drop: false }` [INFO] [stdout] 56f05b6ad5a3c38caeec25dbe8da4d0cbbc5a96ed1d0318325a2e65f51c62192 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51a99a56be84a8b215acc845c588115890c28f21ccc182e37e4b821a1bc1fc75 [INFO] running `Command { std: "docker" "start" "-a" "51a99a56be84a8b215acc845c588115890c28f21ccc182e37e4b821a1bc1fc75", 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] Compiling syn v2.0.58 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking mycorrh v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/event.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | result::Result, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/event.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | result::Result, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [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: 2 warnings 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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.86s [INFO] running `Command { std: "docker" "inspect" "51a99a56be84a8b215acc845c588115890c28f21ccc182e37e4b821a1bc1fc75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51a99a56be84a8b215acc845c588115890c28f21ccc182e37e4b821a1bc1fc75", kill_on_drop: false }` [INFO] [stdout] 51a99a56be84a8b215acc845c588115890c28f21ccc182e37e4b821a1bc1fc75