[INFO] fetching crate ts_opentelemetry_sdk 0.20.0-beta.1...
[INFO] testing ts_opentelemetry_sdk-0.20.0-beta.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ts_opentelemetry_sdk 0.20.0-beta.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ts_opentelemetry_sdk 0.20.0-beta.1
[INFO] finished tweaking crates.io crate ts_opentelemetry_sdk 0.20.0-beta.1
[INFO] tweaked toml for crates.io crate ts_opentelemetry_sdk 0.20.0-beta.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ts_opentelemetry_sdk 0.20.0-beta.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 202 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.7.0)
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[INFO] [stderr]       Adding ordered-float v3.9.2 (available: v5.1.0)
[INFO] [stderr]       Adding pprof v0.11.1 (available: v0.15.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daa54ccb52bfc2a995832278fa47a24c705d681241a1ff7f6e9147750d80155a
[INFO] running `Command { std: "docker" "start" "-a" "daa54ccb52bfc2a995832278fa47a24c705d681241a1ff7f6e9147750d80155a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daa54ccb52bfc2a995832278fa47a24c705d681241a1ff7f6e9147750d80155a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa54ccb52bfc2a995832278fa47a24c705d681241a1ff7f6e9147750d80155a", kill_on_drop: false }`
[INFO] [stdout] daa54ccb52bfc2a995832278fa47a24c705d681241a1ff7f6e9147750d80155a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df0364b2b0fd8df98b5e98e6c7597fcf6cb2ce0564811e227314128f22d5f29
[INFO] running `Command { std: "docker" "start" "-a" "7df0364b2b0fd8df98b5e98e6c7597fcf6cb2ce0564811e227314128f22d5f29", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling ordered-float v3.9.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling ts_opentelemetry_api v0.20.0-beta.1
[INFO] [stderr]    Compiling ts_opentelemetry_sdk v0.20.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.42s
[INFO] running `Command { std: "docker" "inspect" "7df0364b2b0fd8df98b5e98e6c7597fcf6cb2ce0564811e227314128f22d5f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df0364b2b0fd8df98b5e98e6c7597fcf6cb2ce0564811e227314128f22d5f29", kill_on_drop: false }`
[INFO] [stdout] 7df0364b2b0fd8df98b5e98e6c7597fcf6cb2ce0564811e227314128f22d5f29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 706161e6239d2d26666f80b3cafceb7e6314cb00e6f6f03b0d38321c5c2e0af6
[INFO] running `Command { std: "docker" "start" "-a" "706161e6239d2d26666f80b3cafceb7e6314cb00e6f6f03b0d38321c5c2e0af6", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling cpp_demangle v0.4.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling symbolic-demangle v10.2.1
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling symbolic-common v10.2.1
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling quick-xml v0.26.0
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling pprof v0.11.1
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling inferno v0.11.21
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling ts_opentelemetry_sdk v0.20.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `SpanCountExporter` is never constructed
[INFO] [stdout]    --> src/trace/runtime_tests.rs:21:8
[INFO] [stdout]     |
[INFO] [stdout]  21 | struct SpanCountExporter {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:110:24
[INFO] [stdout]     |
[INFO] [stdout] 110 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ts_opentelemetry_sdk` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "706161e6239d2d26666f80b3cafceb7e6314cb00e6f6f03b0d38321c5c2e0af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706161e6239d2d26666f80b3cafceb7e6314cb00e6f6f03b0d38321c5c2e0af6", kill_on_drop: false }`
[INFO] [stdout] 706161e6239d2d26666f80b3cafceb7e6314cb00e6f6f03b0d38321c5c2e0af6
