[INFO] fetching crate named_args 0.0.1...
[INFO] testing named_args-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate named_args 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate named_args 0.0.1
[INFO] finished tweaking crates.io crate named_args 0.0.1
[INFO] tweaked toml for crates.io crate named_args 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate named_args 0.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate named_args 0.0.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c62dc3dbe72683ea2cf9535a793dd33cc0cd6da200f54391d667f52dc52949e3
[INFO] running `Command { std: "docker" "start" "-a" "c62dc3dbe72683ea2cf9535a793dd33cc0cd6da200f54391d667f52dc52949e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c62dc3dbe72683ea2cf9535a793dd33cc0cd6da200f54391d667f52dc52949e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62dc3dbe72683ea2cf9535a793dd33cc0cd6da200f54391d667f52dc52949e3", kill_on_drop: false }`
[INFO] [stdout] c62dc3dbe72683ea2cf9535a793dd33cc0cd6da200f54391d667f52dc52949e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddf350f758828be3fe09c83103dbdf27ae55e85c7e5c5162b578704f4c006781
[INFO] running `Command { std: "docker" "start" "-a" "ddf350f758828be3fe09c83103dbdf27ae55e85c7e5c5162b578704f4c006781", kill_on_drop: false }`
[INFO] [stderr]    Compiling named_args v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/poc.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn func(&self, x: Option<i32>, y: i32, z: Option<i32>) {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/poc.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn func(&self, x: Option<i32>, y: i32, z: Option<i32>) {
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/poc.rs:12:48
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn func(&self, x: Option<i32>, y: i32, z: Option<i32>) {
[INFO] [stdout]    |                                                ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "ddf350f758828be3fe09c83103dbdf27ae55e85c7e5c5162b578704f4c006781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf350f758828be3fe09c83103dbdf27ae55e85c7e5c5162b578704f4c006781", kill_on_drop: false }`
[INFO] [stdout] ddf350f758828be3fe09c83103dbdf27ae55e85c7e5c5162b578704f4c006781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1de37c487bfe0fc6e79409dfd8cbeeef30969462e4a56753e9c354f64c9e4e8e
[INFO] running `Command { std: "docker" "start" "-a" "1de37c487bfe0fc6e79409dfd8cbeeef30969462e4a56753e9c354f64c9e4e8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling named_args v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/poc.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn func(&self, x: Option<i32>, y: i32, z: Option<i32>) {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/poc.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn func(&self, x: Option<i32>, y: i32, z: Option<i32>) {
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/poc.rs:12:48
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn func(&self, x: Option<i32>, y: i32, z: Option<i32>) {
[INFO] [stdout]    |                                                ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "1de37c487bfe0fc6e79409dfd8cbeeef30969462e4a56753e9c354f64c9e4e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de37c487bfe0fc6e79409dfd8cbeeef30969462e4a56753e9c354f64c9e4e8e", kill_on_drop: false }`
[INFO] [stdout] 1de37c487bfe0fc6e79409dfd8cbeeef30969462e4a56753e9c354f64c9e4e8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3031ff31828149565b2af82478cf143b793b2f93ee5b4f468813f6ddcd1d9605
[INFO] running `Command { std: "docker" "start" "-a" "3031ff31828149565b2af82478cf143b793b2f93ee5b4f468813f6ddcd1d9605", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/poc.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn func(&self, x: Option<i32>, y: i32, z: Option<i32>) {
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/poc.rs:12:40
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn func(&self, x: Option<i32>, y: i32, z: Option<i32>) {
[INFO] [stderr]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]   --> src/poc.rs:12:48
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn func(&self, x: Option<i32>, y: i32, z: Option<i32>) {
[INFO] [stderr]    |                                                ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: `named_args` (bin "named_args" test) generated 3 warnings (run `cargo fix --bin "named_args" -p named_args --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/named_args-60e40b7ecb8c0cd0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3031ff31828149565b2af82478cf143b793b2f93ee5b4f468813f6ddcd1d9605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3031ff31828149565b2af82478cf143b793b2f93ee5b4f468813f6ddcd1d9605", kill_on_drop: false }`
[INFO] [stdout] 3031ff31828149565b2af82478cf143b793b2f93ee5b4f468813f6ddcd1d9605