[INFO] fetching crate opentelemetry-tonic 0.1.0...
[INFO] building opentelemetry-tonic-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate opentelemetry-tonic 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate opentelemetry-tonic 0.1.0
[INFO] finished tweaking crates.io crate opentelemetry-tonic 0.1.0
[INFO] tweaked toml for crates.io crate opentelemetry-tonic 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate opentelemetry-tonic 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 123 packages to latest compatible versions
[INFO] [stderr]       Adding opentelemetry v0.17.0 (available: v0.31.0)
[INFO] [stderr]       Adding tonic v0.8.3 (available: v0.14.2)
[INFO] [stderr]       Adding tracing-opentelemetry v0.17.4 (available: v0.31.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.11.9
[INFO] [stderr]   Downloaded thread_local v1.1.9
[INFO] [stderr]   Downloaded tracing-log v0.1.4
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.15
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.20
[INFO] [stderr]   Downloaded tracing-futures v0.2.5
[INFO] [stderr]   Downloaded tokio-io-timeout v1.2.1
[INFO] [stderr]   Downloaded hyper-timeout v0.4.1
[INFO] [stderr]   Downloaded axum-core v0.3.4
[INFO] [stderr]   Downloaded prost-derive v0.11.9
[INFO] [stderr]   Downloaded tonic v0.8.3
[INFO] [stderr]   Downloaded sharded-slab v0.1.7
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.17.4
[INFO] [stderr]   Downloaded axum v0.6.20
[INFO] [stderr]   Downloaded opentelemetry v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b553ed86900e53c224d37617dc974d695d977deab24961fff1530b418c822a6a
[INFO] running `Command { std: "docker" "start" "-a" "b553ed86900e53c224d37617dc974d695d977deab24961fff1530b418c822a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b553ed86900e53c224d37617dc974d695d977deab24961fff1530b418c822a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b553ed86900e53c224d37617dc974d695d977deab24961fff1530b418c822a6a", kill_on_drop: false }`
[INFO] [stdout] b553ed86900e53c224d37617dc974d695d977deab24961fff1530b418c822a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 353cc242c1a61eb99251c4cb7403c878ea79f387dac0fb12c079d30d497cd0fb
[INFO] running `Command { std: "docker" "start" "-a" "353cc242c1a61eb99251c4cb7403c878ea79f387dac0fb12c079d30d497cd0fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling opentelemetry v0.17.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tracing-opentelemetry v0.17.4
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.1
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-timeout v0.4.1
[INFO] [stderr]    Compiling tonic v0.8.3
[INFO] [stderr]    Compiling opentelemetry-tonic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.30s
[INFO] running `Command { std: "docker" "inspect" "353cc242c1a61eb99251c4cb7403c878ea79f387dac0fb12c079d30d497cd0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "353cc242c1a61eb99251c4cb7403c878ea79f387dac0fb12c079d30d497cd0fb", kill_on_drop: false }`
[INFO] [stdout] 353cc242c1a61eb99251c4cb7403c878ea79f387dac0fb12c079d30d497cd0fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10ed9a6f7bf8b71e9cd2a718ac6951b99fb1bd23ced54a5ab56131d717c5a3c5
[INFO] running `Command { std: "docker" "start" "-a" "10ed9a6f7bf8b71e9cd2a718ac6951b99fb1bd23ced54a5ab56131d717c5a3c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling opentelemetry-tonic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/lib.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 let span = tracer.start_with_context("server-span", &cx);
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "10ed9a6f7bf8b71e9cd2a718ac6951b99fb1bd23ced54a5ab56131d717c5a3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ed9a6f7bf8b71e9cd2a718ac6951b99fb1bd23ced54a5ab56131d717c5a3c5", kill_on_drop: false }`
[INFO] [stdout] 10ed9a6f7bf8b71e9cd2a718ac6951b99fb1bd23ced54a5ab56131d717c5a3c5