[INFO] fetching crate lambda-rs-args 2023.1.28...
[INFO] testing lambda-rs-args-2023.1.28 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate lambda-rs-args 2023.1.28 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lambda-rs-args 2023.1.28 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac61aea7304b4fbabcfef92d2bfd3f642b2b9698ac05ed198842c126a3a2372c
[INFO] running `Command { std: "docker" "start" "-a" "ac61aea7304b4fbabcfef92d2bfd3f642b2b9698ac05ed198842c126a3a2372c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac61aea7304b4fbabcfef92d2bfd3f642b2b9698ac05ed198842c126a3a2372c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac61aea7304b4fbabcfef92d2bfd3f642b2b9698ac05ed198842c126a3a2372c", kill_on_drop: false }`
[INFO] [stdout] ac61aea7304b4fbabcfef92d2bfd3f642b2b9698ac05ed198842c126a3a2372c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5d988b09ff092b86e3a996b61c4309bc9cbbf1e52a46e3e004989c1df6c0fb7
[INFO] running `Command { std: "docker" "start" "-a" "b5d988b09ff092b86e3a996b61c4309bc9cbbf1e52a46e3e004989c1df6c0fb7", 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 0.52s
[INFO] running `Command { std: "docker" "inspect" "b5d988b09ff092b86e3a996b61c4309bc9cbbf1e52a46e3e004989c1df6c0fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d988b09ff092b86e3a996b61c4309bc9cbbf1e52a46e3e004989c1df6c0fb7", kill_on_drop: false }`
[INFO] [stdout] b5d988b09ff092b86e3a996b61c4309bc9cbbf1e52a46e3e004989c1df6c0fb7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c96fa0e8e43c4e9282ae44babb7d9d121e9264c93764acf8ef9a9adf84e2fb8a
[INFO] running `Command { std: "docker" "start" "-a" "c96fa0e8e43c4e9282ae44babb7d9d121e9264c93764acf8ef9a9adf84e2fb8a", 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] [stderr]    Compiling lambda-rs-args v2023.1.28 (/opt/rustwide/workdir)
[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] [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 0.25s
[INFO] running `Command { std: "docker" "inspect" "c96fa0e8e43c4e9282ae44babb7d9d121e9264c93764acf8ef9a9adf84e2fb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96fa0e8e43c4e9282ae44babb7d9d121e9264c93764acf8ef9a9adf84e2fb8a", kill_on_drop: false }`
[INFO] [stdout] c96fa0e8e43c4e9282ae44babb7d9d121e9264c93764acf8ef9a9adf84e2fb8a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9daa5bce022032ed868a8ba26f4e358e1dccfc82020dcb29d2840ec0ca11b42c
[INFO] running `Command { std: "docker" "start" "-a" "9daa5bce022032ed868a8ba26f4e358e1dccfc82020dcb29d2840ec0ca11b42c", 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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/args-cbd76604a883a6df)
[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] [stderr]    Doc-tests args
[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" "9daa5bce022032ed868a8ba26f4e358e1dccfc82020dcb29d2840ec0ca11b42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9daa5bce022032ed868a8ba26f4e358e1dccfc82020dcb29d2840ec0ca11b42c", kill_on_drop: false }`
[INFO] [stdout] 9daa5bce022032ed868a8ba26f4e358e1dccfc82020dcb29d2840ec0ca11b42c