[INFO] fetching crate argue 0.1.0... [INFO] checking argue-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate argue 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate argue 0.1.0 [INFO] finished tweaking crates.io crate argue 0.1.0 [INFO] tweaked toml for crates.io crate argue 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate argue 0.1.0 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] crate crates.io crate argue 0.1.0 already has a lockfile, it will not be regenerated [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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8b728b14e5f5d682f12e79c4e1e38cc0eaabf52c38064e244a57f22fd1fa8703 [INFO] running `Command { std: "docker" "start" "-a" "8b728b14e5f5d682f12e79c4e1e38cc0eaabf52c38064e244a57f22fd1fa8703", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b728b14e5f5d682f12e79c4e1e38cc0eaabf52c38064e244a57f22fd1fa8703", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b728b14e5f5d682f12e79c4e1e38cc0eaabf52c38064e244a57f22fd1fa8703", kill_on_drop: false }` [INFO] [stdout] 8b728b14e5f5d682f12e79c4e1e38cc0eaabf52c38064e244a57f22fd1fa8703 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bffc285623df6e10e08676f684be2590535d24e6183cb07d86abfa28f3b6381d [INFO] running `Command { std: "docker" "start" "-a" "bffc285623df6e10e08676f684be2590535d24e6183cb07d86abfa28f3b6381d", kill_on_drop: false }` [INFO] [stderr] Checking argue v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `arg_type` is never read [INFO] [stdout] --> src/lib.rs:171:5 [INFO] [stdout] | [INFO] [stdout] 170 | pub struct ReceivedArgument { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 171 | arg_type: ArgumentType, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReceivedArgument` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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:26:38 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn description(mut self, h: &'a str) -> ArgParserBuilder { [INFO] [stdout] | ^^ ---------------- the lifetime gets resolved as `'a` [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 consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 26 | pub fn description(mut self, h: &'a str) -> ArgParserBuilder<'a> { [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:32:34 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn version(mut self, v: &'a str) -> ArgParserBuilder { [INFO] [stdout] | ^^ ---------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 32 | pub fn version(mut self, v: &'a str) -> ArgParserBuilder<'a> { [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:38:39 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn arguments(mut self, args: &'a[Argument<'a>]) -> ArgParserBuilder { [INFO] [stdout] | ^^ ^^ ---------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 38 | pub fn arguments(mut self, args: &'a[Argument<'a>]) -> ArgParserBuilder<'a> { [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:45:47 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn arg_output(mut self, arg: Argument<'a>) -> ArgParserBuilder { [INFO] [stdout] | ^^ ---------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 45 | pub fn arg_output(mut self, arg: Argument<'a>) -> ArgParserBuilder<'a> { [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:91:22 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn app(app_name: &str) -> ArgParserBuilder { [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] 91 | pub fn app(app_name: &str) -> ArgParserBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `arg_type` is never read [INFO] [stdout] --> src/lib.rs:171:5 [INFO] [stdout] | [INFO] [stdout] 170 | pub struct ReceivedArgument { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 171 | arg_type: ArgumentType, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReceivedArgument` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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:26:38 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn description(mut self, h: &'a str) -> ArgParserBuilder { [INFO] [stdout] | ^^ ---------------- the lifetime gets resolved as `'a` [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 consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 26 | pub fn description(mut self, h: &'a str) -> ArgParserBuilder<'a> { [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:32:34 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn version(mut self, v: &'a str) -> ArgParserBuilder { [INFO] [stdout] | ^^ ---------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 32 | pub fn version(mut self, v: &'a str) -> ArgParserBuilder<'a> { [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:38:39 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn arguments(mut self, args: &'a[Argument<'a>]) -> ArgParserBuilder { [INFO] [stdout] | ^^ ^^ ---------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 38 | pub fn arguments(mut self, args: &'a[Argument<'a>]) -> ArgParserBuilder<'a> { [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:45:47 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn arg_output(mut self, arg: Argument<'a>) -> ArgParserBuilder { [INFO] [stdout] | ^^ ---------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 45 | pub fn arg_output(mut self, arg: Argument<'a>) -> ArgParserBuilder<'a> { [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:91:22 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn app(app_name: &str) -> ArgParserBuilder { [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] 91 | pub fn app(app_name: &str) -> ArgParserBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "bffc285623df6e10e08676f684be2590535d24e6183cb07d86abfa28f3b6381d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bffc285623df6e10e08676f684be2590535d24e6183cb07d86abfa28f3b6381d", kill_on_drop: false }` [INFO] [stdout] bffc285623df6e10e08676f684be2590535d24e6183cb07d86abfa28f3b6381d