[INFO] fetching crate structbuf 0.3.4... [INFO] checking structbuf-0.3.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate structbuf 0.3.4 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate structbuf 0.3.4 [INFO] finished tweaking crates.io crate structbuf 0.3.4 [INFO] tweaked toml for crates.io crate structbuf 0.3.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate structbuf 0.3.4 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] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [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] 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] 9bd8d9f111ebd06c238fe93f0f3c1b8f3bdf9ef0fa30a63ae56f35bc73f5ef04 [INFO] running `Command { std: "docker" "start" "-a" "9bd8d9f111ebd06c238fe93f0f3c1b8f3bdf9ef0fa30a63ae56f35bc73f5ef04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9bd8d9f111ebd06c238fe93f0f3c1b8f3bdf9ef0fa30a63ae56f35bc73f5ef04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bd8d9f111ebd06c238fe93f0f3c1b8f3bdf9ef0fa30a63ae56f35bc73f5ef04", kill_on_drop: false }` [INFO] [stdout] 9bd8d9f111ebd06c238fe93f0f3c1b8f3bdf9ef0fa30a63ae56f35bc73f5ef04 [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] 7cf5a5676dd7942d8b91e4afb7a8b9b9010c1d80a282d7d9848353852f87f387 [INFO] running `Command { std: "docker" "start" "-a" "7cf5a5676dd7942d8b91e4afb7a8b9b9010c1d80a282d7d9848353852f87f387", kill_on_drop: false }` [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking structbuf v0.3.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:780:53 [INFO] [stdout] | [INFO] [stdout] 780 | if let Some(rem) = self.0.len().checked_sub(mem::size_of::()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | #![warn(unused_qualifications)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 780 - if let Some(rem) = self.0.len().checked_sub(mem::size_of::()) { [INFO] [stdout] 780 + if let Some(rem) = self.0.len().checked_sub(size_of::()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/lib.rs:804:5 [INFO] [stdout] | [INFO] [stdout] 804 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:780:53 [INFO] [stdout] | [INFO] [stdout] 780 | if let Some(rem) = self.0.len().checked_sub(mem::size_of::()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | #![warn(unused_qualifications)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 780 - if let Some(rem) = self.0.len().checked_sub(mem::size_of::()) { [INFO] [stdout] 780 + if let Some(rem) = self.0.len().checked_sub(size_of::()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/lib.rs:804:5 [INFO] [stdout] | [INFO] [stdout] 804 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:101:15 [INFO] [stdout] | [INFO] [stdout] 101 | fn append(&mut self) -> Packer; [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] 101 | fn append(&mut self) -> Packer<'_>; [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:106:11 [INFO] [stdout] | [INFO] [stdout] 106 | fn at(&mut self, i: usize) -> Packer; [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] 106 | fn at(&mut self, i: usize) -> Packer<'_>; [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:112:15 [INFO] [stdout] | [INFO] [stdout] 112 | fn unpack(&self) -> Unpacker; [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] 112 | fn unpack(&self) -> Unpacker<'_>; [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:118:15 [INFO] [stdout] | [INFO] [stdout] 118 | fn unpack(&self) -> Unpacker { [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] 118 | fn unpack(&self) -> Unpacker<'_> { [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:336:15 [INFO] [stdout] | [INFO] [stdout] 336 | fn append(&mut self) -> Packer { [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] 336 | fn append(&mut self) -> Packer<'_> { [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:341:11 [INFO] [stdout] | [INFO] [stdout] 341 | fn at(&mut self, i: usize) -> Packer { [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] 341 | fn at(&mut self, i: usize) -> Packer<'_> { [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:101:15 [INFO] [stdout] | [INFO] [stdout] 101 | fn append(&mut self) -> Packer; [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] 101 | fn append(&mut self) -> Packer<'_>; [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:106:11 [INFO] [stdout] | [INFO] [stdout] 106 | fn at(&mut self, i: usize) -> Packer; [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] 106 | fn at(&mut self, i: usize) -> Packer<'_>; [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:112:15 [INFO] [stdout] | [INFO] [stdout] 112 | fn unpack(&self) -> Unpacker; [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] 112 | fn unpack(&self) -> Unpacker<'_>; [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:118:15 [INFO] [stdout] | [INFO] [stdout] 118 | fn unpack(&self) -> Unpacker { [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] 118 | fn unpack(&self) -> Unpacker<'_> { [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:336:15 [INFO] [stdout] | [INFO] [stdout] 336 | fn append(&mut self) -> Packer { [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] 336 | fn append(&mut self) -> Packer<'_> { [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:341:11 [INFO] [stdout] | [INFO] [stdout] 341 | fn at(&mut self, i: usize) -> Packer { [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] 341 | fn at(&mut self, i: usize) -> Packer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "7cf5a5676dd7942d8b91e4afb7a8b9b9010c1d80a282d7d9848353852f87f387", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cf5a5676dd7942d8b91e4afb7a8b9b9010c1d80a282d7d9848353852f87f387", kill_on_drop: false }` [INFO] [stdout] 7cf5a5676dd7942d8b91e4afb7a8b9b9010c1d80a282d7d9848353852f87f387