[INFO] fetching crate atomic_ref_box 0.1.0... [INFO] checking atomic_ref_box-0.1.0 against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619 [INFO] extracting crate atomic_ref_box 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate atomic_ref_box 0.1.0 [INFO] finished tweaking crates.io crate atomic_ref_box 0.1.0 [INFO] tweaked toml for crates.io crate atomic_ref_box 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate atomic_ref_box 0.1.0 on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fa64776b92abf7503fa39c67a02afae58ac022d26c502a635b723052939c6164 [INFO] running `Command { std: "docker" "start" "-a" "fa64776b92abf7503fa39c67a02afae58ac022d26c502a635b723052939c6164", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa64776b92abf7503fa39c67a02afae58ac022d26c502a635b723052939c6164", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa64776b92abf7503fa39c67a02afae58ac022d26c502a635b723052939c6164", kill_on_drop: false }` [INFO] [stdout] fa64776b92abf7503fa39c67a02afae58ac022d26c502a635b723052939c6164 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7032e6c44189e40bd8c6b6c2e0b299d44d4fa8a07b0a86bec3d0069be4a93b1a [INFO] running `Command { std: "docker" "start" "-a" "7032e6c44189e40bd8c6b6c2e0b299d44d4fa8a07b0a86bec3d0069be4a93b1a", kill_on_drop: false }` [INFO] [stderr] Checking atomic_ref_box v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `this` [INFO] [stdout] --> src/lib.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn borrow(this: &Self) -> AtomicRef { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_this` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `this` [INFO] [stdout] --> src/lib.rs:33:23 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn borrow_mut(this: &Self) -> AtomicMutRef { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_this` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:28:25 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn borrow(this: &Self) -> AtomicRef { [INFO] [stdout] | ^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 28 | pub fn borrow(this: &Self) -> AtomicRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:33:29 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn borrow_mut(this: &Self) -> AtomicMutRef { [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 33 | pub fn borrow_mut(this: &Self) -> AtomicMutRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `this` [INFO] [stdout] --> src/lib.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn borrow(this: &Self) -> AtomicRef { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_this` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `this` [INFO] [stdout] --> src/lib.rs:33:23 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn borrow_mut(this: &Self) -> AtomicMutRef { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_this` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:28:25 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn borrow(this: &Self) -> AtomicRef { [INFO] [stdout] | ^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 28 | pub fn borrow(this: &Self) -> AtomicRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:33:29 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn borrow_mut(this: &Self) -> AtomicMutRef { [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 33 | pub fn borrow_mut(this: &Self) -> AtomicMutRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "7032e6c44189e40bd8c6b6c2e0b299d44d4fa8a07b0a86bec3d0069be4a93b1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7032e6c44189e40bd8c6b6c2e0b299d44d4fa8a07b0a86bec3d0069be4a93b1a", kill_on_drop: false }` [INFO] [stdout] 7032e6c44189e40bd8c6b6c2e0b299d44d4fa8a07b0a86bec3d0069be4a93b1a