[INFO] fetching crate noco 0.1.5...
[INFO] testing noco-0.1.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate noco 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate noco 0.1.5
[INFO] finished tweaking crates.io crate noco 0.1.5
[INFO] tweaked toml for crates.io crate noco 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate noco 0.1.5 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00cd936823516713b23495bfc3dca79d8e81bad5eef24d5944487301671a9ffd
[INFO] running `Command { std: "docker" "start" "-a" "00cd936823516713b23495bfc3dca79d8e81bad5eef24d5944487301671a9ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00cd936823516713b23495bfc3dca79d8e81bad5eef24d5944487301671a9ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00cd936823516713b23495bfc3dca79d8e81bad5eef24d5944487301671a9ffd", kill_on_drop: false }`
[INFO] [stdout] 00cd936823516713b23495bfc3dca79d8e81bad5eef24d5944487301671a9ffd
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5048f5404bb1a027dea300bd7a38d32b4cb4308ec9eadc81636e6e59c20ef57d
[INFO] running `Command { std: "docker" "start" "-a" "5048f5404bb1a027dea300bd7a38d32b4cb4308ec9eadc81636e6e59c20ef57d", kill_on_drop: false }`
[INFO] [stderr]    Compiling noco v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/macro_lib.rs:253:59
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn error_span<T: Into<String>>(&mut self, msg: T, span: Span) -> &mut Self {
[INFO] [stdout]     |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt`
[INFO] [stdout]    --> src/macro_lib.rs:260:34
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn unexpected(&mut self, tt: TokenTree) -> &mut Self {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "5048f5404bb1a027dea300bd7a38d32b4cb4308ec9eadc81636e6e59c20ef57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5048f5404bb1a027dea300bd7a38d32b4cb4308ec9eadc81636e6e59c20ef57d", kill_on_drop: false }`
[INFO] [stdout] 5048f5404bb1a027dea300bd7a38d32b4cb4308ec9eadc81636e6e59c20ef57d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e95ec25b9b952f3925672b8cc6eb418eb349128e08d7545d261221c38fa349f2
[INFO] running `Command { std: "docker" "start" "-a" "e95ec25b9b952f3925672b8cc6eb418eb349128e08d7545d261221c38fa349f2", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/macro_lib.rs:253:59
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn error_span<T: Into<String>>(&mut self, msg: T, span: Span) -> &mut Self {
[INFO] [stdout]     |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt`
[INFO] [stdout]    --> src/macro_lib.rs:260:34
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn unexpected(&mut self, tt: TokenTree) -> &mut Self {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling noco v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/macro_lib.rs:253:59
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn error_span<T: Into<String>>(&mut self, msg: T, span: Span) -> &mut Self {
[INFO] [stdout]     |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt`
[INFO] [stdout]    --> src/macro_lib.rs:260:34
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn unexpected(&mut self, tt: TokenTree) -> &mut Self {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "e95ec25b9b952f3925672b8cc6eb418eb349128e08d7545d261221c38fa349f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95ec25b9b952f3925672b8cc6eb418eb349128e08d7545d261221c38fa349f2", kill_on_drop: false }`
[INFO] [stdout] e95ec25b9b952f3925672b8cc6eb418eb349128e08d7545d261221c38fa349f2
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4104a5aad1d4c212b1b3c73beb7d9f079cd0bb50a9751bccbc0973cf56336ff4
[INFO] running `Command { std: "docker" "start" "-a" "4104a5aad1d4c212b1b3c73beb7d9f079cd0bb50a9751bccbc0973cf56336ff4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/macro_lib.rs:253:59
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn error_span<T: Into<String>>(&mut self, msg: T, span: Span) -> &mut Self {
[INFO] [stderr]     |                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tt`
[INFO] [stderr]    --> src/macro_lib.rs:260:34
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub fn unexpected(&mut self, tt: TokenTree) -> &mut Self {
[INFO] [stderr]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stderr] 
[INFO] [stderr] warning: `noco` (lib) generated 2 warnings
[INFO] [stderr] warning: `noco` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/noco-77ccda133e457c77)
[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 noco
[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" "4104a5aad1d4c212b1b3c73beb7d9f079cd0bb50a9751bccbc0973cf56336ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4104a5aad1d4c212b1b3c73beb7d9f079cd0bb50a9751bccbc0973cf56336ff4", kill_on_drop: false }`
[INFO] [stdout] 4104a5aad1d4c212b1b3c73beb7d9f079cd0bb50a9751bccbc0973cf56336ff4