[INFO] fetching crate noco 0.1.5...
[INFO] testing noco-0.1.5 against 1.90.0 for beta-1.91-3
[INFO] extracting crate noco 0.1.5 into /workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate noco 0.1.5 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2879cf96d9062f3cc7392c16c66611bfa0296c260415b91b068c83dc43e95ff3
[INFO] running `Command { std: "docker" "start" "-a" "2879cf96d9062f3cc7392c16c66611bfa0296c260415b91b068c83dc43e95ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2879cf96d9062f3cc7392c16c66611bfa0296c260415b91b068c83dc43e95ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2879cf96d9062f3cc7392c16c66611bfa0296c260415b91b068c83dc43e95ff3", kill_on_drop: false }`
[INFO] [stdout] 2879cf96d9062f3cc7392c16c66611bfa0296c260415b91b068c83dc43e95ff3
[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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17ef2c2e3094f59ba64bf734cd687be400d0c432a4df417eadab83f71a3b1548
[INFO] running `Command { std: "docker" "start" "-a" "17ef2c2e3094f59ba64bf734cd687be400d0c432a4df417eadab83f71a3b1548", 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)]` 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 0.34s
[INFO] running `Command { std: "docker" "inspect" "17ef2c2e3094f59ba64bf734cd687be400d0c432a4df417eadab83f71a3b1548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ef2c2e3094f59ba64bf734cd687be400d0c432a4df417eadab83f71a3b1548", kill_on_drop: false }`
[INFO] [stdout] 17ef2c2e3094f59ba64bf734cd687be400d0c432a4df417eadab83f71a3b1548
[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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a432ca23f30115c9a5816093fa02a7022a688c81582f5ba3dca29b086b21f792
[INFO] running `Command { std: "docker" "start" "-a" "a432ca23f30115c9a5816093fa02a7022a688c81582f5ba3dca29b086b21f792", 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)]` 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] [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)]` 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 0.38s
[INFO] running `Command { std: "docker" "inspect" "a432ca23f30115c9a5816093fa02a7022a688c81582f5ba3dca29b086b21f792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a432ca23f30115c9a5816093fa02a7022a688c81582f5ba3dca29b086b21f792", kill_on_drop: false }`
[INFO] [stdout] a432ca23f30115c9a5816093fa02a7022a688c81582f5ba3dca29b086b21f792
[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=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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca84736f4b9572ab0849724f337fb6b7c1cef6543e6dcba66a9206e966a7fafe
[INFO] running `Command { std: "docker" "start" "-a" "ca84736f4b9572ab0849724f337fb6b7c1cef6543e6dcba66a9206e966a7fafe", 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)]` 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/noco-70486162ade42d3e)
[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" "ca84736f4b9572ab0849724f337fb6b7c1cef6543e6dcba66a9206e966a7fafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca84736f4b9572ab0849724f337fb6b7c1cef6543e6dcba66a9206e966a7fafe", kill_on_drop: false }`
[INFO] [stdout] ca84736f4b9572ab0849724f337fb6b7c1cef6543e6dcba66a9206e966a7fafe