[INFO] fetching crate lambda-rs-args 2023.1.28...
[INFO] testing lambda-rs-args-2023.1.28 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate lambda-rs-args 2023.1.28 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate lambda-rs-args 2023.1.28
[INFO] finished tweaking crates.io crate lambda-rs-args 2023.1.28
[INFO] tweaked toml for crates.io crate lambda-rs-args 2023.1.28 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lambda-rs-args 2023.1.28 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 043f77cf3977cd70ba18e69dee0ef76513e611bf3f05635fb91faa10d58baa68
[INFO] running `Command { std: "docker" "start" "-a" "043f77cf3977cd70ba18e69dee0ef76513e611bf3f05635fb91faa10d58baa68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "043f77cf3977cd70ba18e69dee0ef76513e611bf3f05635fb91faa10d58baa68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043f77cf3977cd70ba18e69dee0ef76513e611bf3f05635fb91faa10d58baa68", kill_on_drop: false }`
[INFO] [stdout] 043f77cf3977cd70ba18e69dee0ef76513e611bf3f05635fb91faa10d58baa68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f78c613c409940537d13f98defab9eff223f6800b39abcba769893c0993a6110
[INFO] running `Command { std: "docker" "start" "-a" "f78c613c409940537d13f98defab9eff223f6800b39abcba769893c0993a6110", kill_on_drop: false }`
[INFO] [stderr]    Compiling lambda-rs-args v2023.1.28 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:187:22
[INFO] [stdout]     |
[INFO] [stdout] 187 |   pub fn with_author(mut self, author: &str) {
[INFO] [stdout]     |                      ----^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `author`
[INFO] [stdout]    --> src/lib.rs:187:32
[INFO] [stdout]     |
[INFO] [stdout] 187 |   pub fn with_author(mut self, author: &str) {
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_author`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:192:27
[INFO] [stdout]     |
[INFO] [stdout] 192 |   pub fn with_description(mut self, description: &str) {
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]    --> src/lib.rs:192:37
[INFO] [stdout]     |
[INFO] [stdout] 192 |   pub fn with_description(mut self, description: &str) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "f78c613c409940537d13f98defab9eff223f6800b39abcba769893c0993a6110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f78c613c409940537d13f98defab9eff223f6800b39abcba769893c0993a6110", kill_on_drop: false }`
[INFO] [stdout] f78c613c409940537d13f98defab9eff223f6800b39abcba769893c0993a6110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e6c1ddcdd8eea9dcc4bc6299cbd492b29f9db3932cbe8bcf176b0b955243ae8
[INFO] running `Command { std: "docker" "start" "-a" "1e6c1ddcdd8eea9dcc4bc6299cbd492b29f9db3932cbe8bcf176b0b955243ae8", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:187:22
[INFO] [stdout]     |
[INFO] [stdout] 187 |   pub fn with_author(mut self, author: &str) {
[INFO] [stdout]     |                      ----^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `author`
[INFO] [stdout]    --> src/lib.rs:187:32
[INFO] [stdout]     |
[INFO] [stdout] 187 |   pub fn with_author(mut self, author: &str) {
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_author`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:192:27
[INFO] [stdout]     |
[INFO] [stdout] 192 |   pub fn with_description(mut self, description: &str) {
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]    --> src/lib.rs:192:37
[INFO] [stdout]     |
[INFO] [stdout] 192 |   pub fn with_description(mut self, description: &str) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lambda-rs-args v2023.1.28 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:187:22
[INFO] [stdout]     |
[INFO] [stdout] 187 |   pub fn with_author(mut self, author: &str) {
[INFO] [stdout]     |                      ----^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `author`
[INFO] [stdout]    --> src/lib.rs:187:32
[INFO] [stdout]     |
[INFO] [stdout] 187 |   pub fn with_author(mut self, author: &str) {
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_author`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:192:27
[INFO] [stdout]     |
[INFO] [stdout] 192 |   pub fn with_description(mut self, description: &str) {
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `description`
[INFO] [stdout]    --> src/lib.rs:192:37
[INFO] [stdout]     |
[INFO] [stdout] 192 |   pub fn with_description(mut self, description: &str) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "1e6c1ddcdd8eea9dcc4bc6299cbd492b29f9db3932cbe8bcf176b0b955243ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e6c1ddcdd8eea9dcc4bc6299cbd492b29f9db3932cbe8bcf176b0b955243ae8", kill_on_drop: false }`
[INFO] [stdout] 1e6c1ddcdd8eea9dcc4bc6299cbd492b29f9db3932cbe8bcf176b0b955243ae8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d828d9bc36054ab3282c99b2b9bf0e9f293a84031bbc7360f54162c94d3cba0a
[INFO] running `Command { std: "docker" "start" "-a" "d828d9bc36054ab3282c99b2b9bf0e9f293a84031bbc7360f54162c94d3cba0a", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:187:22
[INFO] [stderr]     |
[INFO] [stderr] 187 |   pub fn with_author(mut self, author: &str) {
[INFO] [stderr]     |                      ----^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `author`
[INFO] [stderr]    --> src/lib.rs:187:32
[INFO] [stderr]     |
[INFO] [stderr] 187 |   pub fn with_author(mut self, author: &str) {
[INFO] [stderr]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_author`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:192:27
[INFO] [stderr]     |
[INFO] [stderr] 192 |   pub fn with_description(mut self, description: &str) {
[INFO] [stderr]     |                           ----^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `description`
[INFO] [stderr]    --> src/lib.rs:192:37
[INFO] [stderr]     |
[INFO] [stderr] 192 |   pub fn with_description(mut self, description: &str) {
[INFO] [stderr]     |                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description`
[INFO] [stderr] 
[INFO] [stderr] warning: `lambda-rs-args` (lib) generated 4 warnings (run `cargo fix --lib -p lambda-rs-args` to apply 4 suggestions)
[INFO] [stderr] warning: `lambda-rs-args` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/args-cbd76604a883a6df)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests args
[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] [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" "d828d9bc36054ab3282c99b2b9bf0e9f293a84031bbc7360f54162c94d3cba0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d828d9bc36054ab3282c99b2b9bf0e9f293a84031bbc7360f54162c94d3cba0a", kill_on_drop: false }`
[INFO] [stdout] d828d9bc36054ab3282c99b2b9bf0e9f293a84031bbc7360f54162c94d3cba0a