[INFO] fetching crate cb_fut 0.2.1... [INFO] checking cb_fut-0.2.1 against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied [INFO] extracting crate cb_fut 0.2.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate cb_fut 0.2.1 [INFO] finished tweaking crates.io crate cb_fut 0.2.1 [INFO] tweaked toml for crates.io crate cb_fut 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cb_fut 0.2.1 on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "generate-lockfile" "--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] Locking 26 packages to latest compatible versions [INFO] [stderr] Adding crossbeam-channel v0.4.4 (available: v0.5.15) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 984a77d5e6b9591c1dc3104cd815f83b6fe50178b6c10151ab95fdb5f3cb929c [INFO] running `Command { std: "docker" "start" "-a" "984a77d5e6b9591c1dc3104cd815f83b6fe50178b6c10151ab95fdb5f3cb929c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "984a77d5e6b9591c1dc3104cd815f83b6fe50178b6c10151ab95fdb5f3cb929c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "984a77d5e6b9591c1dc3104cd815f83b6fe50178b6c10151ab95fdb5f3cb929c", kill_on_drop: false }` [INFO] [stdout] 984a77d5e6b9591c1dc3104cd815f83b6fe50178b6c10151ab95fdb5f3cb929c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70045f2b5577c46d5038cd3bf382e124ba422f7f786acecd89fd3c84ab03d1fa [INFO] running `Command { std: "docker" "start" "-a" "70045f2b5577c46d5038cd3bf382e124ba422f7f786acecd89fd3c84ab03d1fa", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking cb_fut v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/lib.rs:666:71 [INFO] [stdout] | [INFO] [stdout] 666 | futures::executor::block_on(once_blocked!(func(2 + 3, ->() -> {3i32}))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 666 - futures::executor::block_on(once_blocked!(func(2 + 3, ->() -> {3i32}))); [INFO] [stdout] 666 + futures::executor::block_on(once_blocked!(func(2 + 3, ->() -> 3i32))); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/lib.rs:728:64 [INFO] [stdout] | [INFO] [stdout] 728 | futures::executor::block_on(once_blocked!(func(->() -> {3i32}, 2 + 3))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 728 - futures::executor::block_on(once_blocked!(func(->() -> {3i32}, 2 + 3))); [INFO] [stdout] 728 + futures::executor::block_on(once_blocked!(func(->() -> 3i32, 2 + 3))); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target [INFO] [stdout] --> src/lib.rs:554:25 [INFO] [stdout] | [INFO] [stdout] 532 | impl core::ops::Deref for CBBlockResult { [INFO] [stdout] | --------------------------------------------------- trait implemented here [INFO] [stdout] 533 | type Target=T; [INFO] [stdout] | ----------- with `Target` set here [INFO] [stdout] ... [INFO] [stdout] 554 | pub fn return_value(&mut self, value: R) -> Result<(), AlreadyReturnError> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D inherent-method-on-receiver` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target [INFO] [stdout] --> src/lib.rs:554:25 [INFO] [stdout] | [INFO] [stdout] 532 | impl core::ops::Deref for CBBlockResult { [INFO] [stdout] | --------------------------------------------------- trait implemented here [INFO] [stdout] 533 | type Target=T; [INFO] [stdout] | ----------- with `Target` set here [INFO] [stdout] ... [INFO] [stdout] 554 | pub fn return_value(&mut self, value: R) -> Result<(), AlreadyReturnError> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D inherent-method-on-receiver` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cb_fut` (lib test) due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `cb_fut` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "70045f2b5577c46d5038cd3bf382e124ba422f7f786acecd89fd3c84ab03d1fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70045f2b5577c46d5038cd3bf382e124ba422f7f786acecd89fd3c84ab03d1fa", kill_on_drop: false }` [INFO] [stdout] 70045f2b5577c46d5038cd3bf382e124ba422f7f786acecd89fd3c84ab03d1fa