[INFO] fetching crate opentelemetry_api 0.20.0...
[INFO] building opentelemetry_api-0.20.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate opentelemetry_api 0.20.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate opentelemetry_api 0.20.0
[INFO] finished tweaking crates.io crate opentelemetry_api 0.20.0
[INFO] tweaked toml for crates.io crate opentelemetry_api 0.20.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate opentelemetry_api 0.20.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.11.4)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92d5c48b616a46193d868235216dd906207d96e15d8e844c4bd79137aa92c4dd
[INFO] running `Command { std: "docker" "start" "-a" "92d5c48b616a46193d868235216dd906207d96e15d8e844c4bd79137aa92c4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92d5c48b616a46193d868235216dd906207d96e15d8e844c4bd79137aa92c4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d5c48b616a46193d868235216dd906207d96e15d8e844c4bd79137aa92c4dd", kill_on_drop: false }`
[INFO] [stdout] 92d5c48b616a46193d868235216dd906207d96e15d8e844c4bd79137aa92c4dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] affa2f5e740eca62c8624c98943cb836149aa0e56db00cd9dc32607483aee691
[INFO] running `Command { std: "docker" "start" "-a" "affa2f5e740eca62c8624c98943cb836149aa0e56db00cd9dc32607483aee691", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling opentelemetry_api v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/trace/span_context.rs:227:39
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let allowed_special = |b: u8| (b == b'_' || b == b'-' || b == b'*' || b == b'/');
[INFO] [stdout]     |                                       ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:31:5
[INFO] [stdout]     |
[INFO] [stdout]  31 |     unused
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_parens)]` implied by `#[warn(unused)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 227 -         let allowed_special = |b: u8| (b == b'_' || b == b'-' || b == b'*' || b == b'/');
[INFO] [stdout] 227 +         let allowed_special = |b: u8| b == b'_' || b == b'-' || b == b'*' || b == b'/';
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.62s
[INFO] running `Command { std: "docker" "inspect" "affa2f5e740eca62c8624c98943cb836149aa0e56db00cd9dc32607483aee691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "affa2f5e740eca62c8624c98943cb836149aa0e56db00cd9dc32607483aee691", kill_on_drop: false }`
[INFO] [stdout] affa2f5e740eca62c8624c98943cb836149aa0e56db00cd9dc32607483aee691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d5a97bc78f1608a9253684ca24f3c52fda2b85e8d0fd1543e3ea03e289f579e
[INFO] running `Command { std: "docker" "start" "-a" "4d5a97bc78f1608a9253684ca24f3c52fda2b85e8d0fd1543e3ea03e289f579e", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/trace/span_context.rs:227:39
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let allowed_special = |b: u8| (b == b'_' || b == b'-' || b == b'*' || b == b'/');
[INFO] [stdout]     |                                       ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:31:5
[INFO] [stdout]     |
[INFO] [stdout]  31 |     unused
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_parens)]` implied by `#[warn(unused)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 227 -         let allowed_special = |b: u8| (b == b'_' || b == b'-' || b == b'*' || b == b'/');
[INFO] [stdout] 227 +         let allowed_special = |b: u8| b == b'_' || b == b'-' || b == b'*' || b == b'/';
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling opentelemetry_api v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/trace/span_context.rs:227:39
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let allowed_special = |b: u8| (b == b'_' || b == b'-' || b == b'*' || b == b'/');
[INFO] [stdout]     |                                       ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:42:24
[INFO] [stdout]     |
[INFO] [stdout]  42 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_parens)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 227 -         let allowed_special = |b: u8| (b == b'_' || b == b'-' || b == b'*' || b == b'/');
[INFO] [stdout] 227 +         let allowed_special = |b: u8| b == b'_' || b == b'-' || b == b'*' || b == b'/';
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `opentelemetry_api` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4d5a97bc78f1608a9253684ca24f3c52fda2b85e8d0fd1543e3ea03e289f579e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5a97bc78f1608a9253684ca24f3c52fda2b85e8d0fd1543e3ea03e289f579e", kill_on_drop: false }`
[INFO] [stdout] 4d5a97bc78f1608a9253684ca24f3c52fda2b85e8d0fd1543e3ea03e289f579e