[INFO] fetching crate argue 0.1.0...
[INFO] checking argue-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate argue 0.1.0 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate argue 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cdb69cdcdfa5df5b7f29a9a6cdebd250357c85dcfe796f9c92e80a5bbba3228
[INFO] running `Command { std: "docker" "start" "-a" "7cdb69cdcdfa5df5b7f29a9a6cdebd250357c85dcfe796f9c92e80a5bbba3228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cdb69cdcdfa5df5b7f29a9a6cdebd250357c85dcfe796f9c92e80a5bbba3228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cdb69cdcdfa5df5b7f29a9a6cdebd250357c85dcfe796f9c92e80a5bbba3228", kill_on_drop: false }`
[INFO] [stdout] 7cdb69cdcdfa5df5b7f29a9a6cdebd250357c85dcfe796f9c92e80a5bbba3228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4b25a1df86eda67d599b2a746364a71062ea823e357af7bd47f7becf2c88679
[INFO] running `Command { std: "docker" "start" "-a" "d4b25a1df86eda67d599b2a746364a71062ea823e357af7bd47f7becf2c88679", 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: hiding a lifetime that's named elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: 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: hiding a lifetime that's named elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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: hiding a lifetime that's named elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                                       |           |
[INFO] [stdout]    |                                       |           the lifetime is named here
[INFO] [stdout]    |                                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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: hiding a lifetime that's named elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:91:22
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn app(app_name: &str) -> ArgParserBuilder {
[INFO] [stdout]    |                      ^^^^     ---------------- the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type 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: hiding a lifetime that's named elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: 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: hiding a lifetime that's named elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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: hiding a lifetime that's named elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                                       |           |
[INFO] [stdout]    |                                       |           the lifetime is named here
[INFO] [stdout]    |                                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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: hiding a lifetime that's named elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:91:22
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn app(app_name: &str) -> ArgParserBuilder {
[INFO] [stdout]    |                      ^^^^     ---------------- the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type 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 0.55s
[INFO] running `Command { std: "docker" "inspect" "d4b25a1df86eda67d599b2a746364a71062ea823e357af7bd47f7becf2c88679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b25a1df86eda67d599b2a746364a71062ea823e357af7bd47f7becf2c88679", kill_on_drop: false }`
[INFO] [stdout] d4b25a1df86eda67d599b2a746364a71062ea823e357af7bd47f7becf2c88679