[INFO] fetching crate uptrace 0.19.0...
[INFO] testing uptrace-0.19.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate uptrace 0.19.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate uptrace 0.19.0
[INFO] finished tweaking crates.io crate uptrace 0.19.0
[INFO] tweaked toml for crates.io crate uptrace 0.19.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uptrace 0.19.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uptrace 0.19.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.2
[INFO] [stderr]   Downloaded urlencoding v2.1.2
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded opentelemetry-otlp v0.12.0
[INFO] [stderr]   Downloaded tokio v1.28.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.6.2
[INFO] [stderr]   Downloaded opentelemetry_api v0.19.0
[INFO] [stderr]   Downloaded opentelemetry_sdk v0.19.0
[INFO] [stderr]   Downloaded h2 v0.3.18
[INFO] [stderr]   Downloaded opentelemetry-proto v0.2.0
[INFO] [stderr]   Downloaded axum v0.6.18
[INFO] [stderr]   Downloaded hyper v0.14.26
[INFO] [stderr]   Downloaded rustls v0.20.8
[INFO] [stderr]   Downloaded dashmap v5.4.0
[INFO] [stderr]   Downloaded opentelemetry v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40a3ffb8e7a6e91e707b7440151cfec52fe675162afe1b5745be55c6a15adfd5
[INFO] running `Command { std: "docker" "start" "-a" "40a3ffb8e7a6e91e707b7440151cfec52fe675162afe1b5745be55c6a15adfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40a3ffb8e7a6e91e707b7440151cfec52fe675162afe1b5745be55c6a15adfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a3ffb8e7a6e91e707b7440151cfec52fe675162afe1b5745be55c6a15adfd5", kill_on_drop: false }`
[INFO] [stdout] 40a3ffb8e7a6e91e707b7440151cfec52fe675162afe1b5745be55c6a15adfd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8acde4a9df0cdd898a66b7f96a54993ba6eb6ec4f5c38c1fa546d3b741c3f9a
[INFO] running `Command { std: "docker" "start" "-a" "d8acde4a9df0cdd898a66b7f96a54993ba6eb6ec4f5c38c1fa546d3b741c3f9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling urlencoding v2.1.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d8acde4a9df0cdd898a66b7f96a54993ba6eb6ec4f5c38c1fa546d3b741c3f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8acde4a9df0cdd898a66b7f96a54993ba6eb6ec4f5c38c1fa546d3b741c3f9a", kill_on_drop: false }`
[INFO] [stdout] d8acde4a9df0cdd898a66b7f96a54993ba6eb6ec4f5c38c1fa546d3b741c3f9a