[INFO] fetching crate ach-linked 0.2.2... [INFO] checking ach-linked-0.2.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate ach-linked 0.2.2 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate ach-linked 0.2.2 [INFO] finished tweaking crates.io crate ach-linked 0.2.2 [INFO] tweaked toml for crates.io crate ach-linked 0.2.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate ach-linked 0.2.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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 34 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ach-util v0.1.16 [INFO] [stderr] Downloaded riscv-macros v0.2.0 [INFO] [stderr] Downloaded riscv v0.14.0 [INFO] [stderr] Downloaded msp430 v0.4.1 [INFO] [stderr] Downloaded embedded-hal v1.0.0 [INFO] [stderr] Downloaded riscv-pac v0.2.0 [INFO] [stderr] Downloaded xtensa-lx v0.11.0 [INFO] [stderr] Downloaded interrupt v0.1.3 [INFO] [stderr] Downloaded on_drop v0.1.2 [INFO] [stderr] Downloaded spin_loop v0.1.1 [INFO] [stderr] Downloaded ach-cell v0.1.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9645f9d244bb546fa64f6d858e889ac6f3f2c4e6c2bd846096a9141a84cbd2dd [INFO] running `Command { std: "docker" "start" "-a" "9645f9d244bb546fa64f6d858e889ac6f3f2c4e6c2bd846096a9141a84cbd2dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9645f9d244bb546fa64f6d858e889ac6f3f2c4e6c2bd846096a9141a84cbd2dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9645f9d244bb546fa64f6d858e889ac6f3f2c4e6c2bd846096a9141a84cbd2dd", kill_on_drop: false }` [INFO] [stdout] 9645f9d244bb546fa64f6d858e889ac6f3f2c4e6c2bd846096a9141a84cbd2dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fedf0310a18b0e0740d4f80d39442c16f32452f614e856fd04cddfa1c261ed0c [INFO] running `Command { std: "docker" "start" "-a" "fedf0310a18b0e0740d4f80d39442c16f32452f614e856fd04cddfa1c261ed0c", kill_on_drop: false }` [INFO] [stderr] Checking bare-metal v1.0.0 [INFO] [stderr] Checking spin_loop v0.1.1 [INFO] [stderr] Checking atomic v0.5.3 [INFO] [stderr] Checking on_drop v0.1.2 [INFO] [stderr] Checking interrupt v0.1.3 [INFO] [stderr] Checking ach-util v0.1.16 [INFO] [stderr] Checking ach-cell v0.1.17 [INFO] [stderr] Checking ach-linked v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:74:22 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn into_iter(&mut self) -> NodeIter { [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] 74 | pub fn into_iter(&mut self) -> NodeIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:189:17 [INFO] [stdout] | [INFO] [stdout] 189 | drop(node); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut &mut Node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 189 - drop(node); [INFO] [stdout] 189 + let _ = node; [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:74:22 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn into_iter(&mut self) -> NodeIter { [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] 74 | pub fn into_iter(&mut self) -> NodeIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:189:17 [INFO] [stdout] | [INFO] [stdout] 189 | drop(node); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut &mut Node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 189 - drop(node); [INFO] [stdout] 189 + let _ = node; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "fedf0310a18b0e0740d4f80d39442c16f32452f614e856fd04cddfa1c261ed0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fedf0310a18b0e0740d4f80d39442c16f32452f614e856fd04cddfa1c261ed0c", kill_on_drop: false }` [INFO] [stdout] fedf0310a18b0e0740d4f80d39442c16f32452f614e856fd04cddfa1c261ed0c