[INFO] fetching crate opentelemetry_api 0.20.0...
[INFO] testing opentelemetry_api-0.20.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate opentelemetry_api 0.20.0 into /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate opentelemetry_api 0.20.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.12.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6ba71896b570f83a0f89c44a3a6bc39360178f24b29be1409b4474f44f870999
[INFO] running `Command { std: "docker" "start" "-a" "6ba71896b570f83a0f89c44a3a6bc39360178f24b29be1409b4474f44f870999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ba71896b570f83a0f89c44a3a6bc39360178f24b29be1409b4474f44f870999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba71896b570f83a0f89c44a3a6bc39360178f24b29be1409b4474f44f870999", kill_on_drop: false }`
[INFO] [stdout] 6ba71896b570f83a0f89c44a3a6bc39360178f24b29be1409b4474f44f870999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 92ffd20feb2d6f5855d47212b36aa28b88d6dca7695ed1bb17afeac98709743f
[INFO] running `Command { std: "docker" "start" "-a" "92ffd20feb2d6f5855d47212b36aa28b88d6dca7695ed1bb17afeac98709743f", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling syn v2.0.110
[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 7.32s
[INFO] running `Command { std: "docker" "inspect" "92ffd20feb2d6f5855d47212b36aa28b88d6dca7695ed1bb17afeac98709743f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ffd20feb2d6f5855d47212b36aa28b88d6dca7695ed1bb17afeac98709743f", kill_on_drop: false }`
[INFO] [stdout] 92ffd20feb2d6f5855d47212b36aa28b88d6dca7695ed1bb17afeac98709743f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 82001733507ac4397d41e149fa340913d2986e76b8e9b09b8c80cadc36f4ce1e
[INFO] running `Command { std: "docker" "start" "-a" "82001733507ac4397d41e149fa340913d2986e76b8e9b09b8c80cadc36f4ce1e", 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" "82001733507ac4397d41e149fa340913d2986e76b8e9b09b8c80cadc36f4ce1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82001733507ac4397d41e149fa340913d2986e76b8e9b09b8c80cadc36f4ce1e", kill_on_drop: false }`
[INFO] [stdout] 82001733507ac4397d41e149fa340913d2986e76b8e9b09b8c80cadc36f4ce1e