[INFO] cloning repository https://github.com/timvw/demo-observe-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timvw/demo-observe-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimvw%2Fdemo-observe-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimvw%2Fdemo-observe-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2f14ae02fa3c14ad985e6797128770ace672b18
[INFO] testing timvw/demo-observe-rs against 1.84.0 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimvw%2Fdemo-observe-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timvw/demo-observe-rs on toolchain 1.84.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timvw/demo-observe-rs
[INFO] finished tweaking git repo https://github.com/timvw/demo-observe-rs
[INFO] tweaked toml for git repo https://github.com/timvw/demo-observe-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/timvw/demo-observe-rs 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" "+1.84.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opentelemetry-otlp v0.26.0
[INFO] [stderr]   Downloaded opentelemetry-appender-log v0.26.0
[INFO] [stderr]   Downloaded opentelemetry_sdk v0.26.0
[INFO] [stderr]   Downloaded opentelemetry-http v0.26.0
[INFO] [stderr]   Downloaded twelf v0.15.0
[INFO] [stderr]   Downloaded opentelemetry v0.26.0
[INFO] [stderr]   Downloaded hyper-timeout v0.5.1
[INFO] [stderr]   Downloaded opentelemetry-proto v0.26.1
[INFO] [stderr]   Downloaded serde_json v1.0.131
[INFO] [stderr]   Downloaded prost-derive v0.13.3
[INFO] [stderr]   Downloaded prost v0.13.3
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.27.0
[INFO] [stderr]   Downloaded config-derive v0.15.0
[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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22e1d4216f684950cafdba0a24f536ba1f297be78e721b15dc6c08ef0cdac9c3
[INFO] running `Command { std: "docker" "start" "-a" "22e1d4216f684950cafdba0a24f536ba1f297be78e721b15dc6c08ef0cdac9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22e1d4216f684950cafdba0a24f536ba1f297be78e721b15dc6c08ef0cdac9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e1d4216f684950cafdba0a24f536ba1f297be78e721b15dc6c08ef0cdac9c3", kill_on_drop: false }`
[INFO] [stdout] 22e1d4216f684950cafdba0a24f536ba1f297be78e721b15dc6c08ef0cdac9c3
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 594b021d45442f9cbf1317debbe8dd0e7cfc6ad658e2008f98a80731425a71a1
[INFO] running `Command { std: "docker" "start" "-a" "594b021d45442f9cbf1317debbe8dd0e7cfc6ad658e2008f98a80731425a71a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling bytes v1.7.2
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling cc v1.1.31
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling serde_json v1.0.131
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling syn v2.0.82
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling rustls v0.23.15
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.17
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling clap_builder v4.5.21
[INFO] [stderr]    Compiling webpki-roots v0.26.6
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling shellexpand v3.1.0
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling pin-project-internal v1.1.6
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling prost-derive v0.13.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling regex v1.11.0
[INFO] [stderr]    Compiling tokio v1.41.1
[INFO] [stderr]    Compiling rustls-webpki v0.102.8
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.84.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=112b6071dbd995d3 -C extra-filename=-112b6071dbd995d3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-23900e8863aa60c3.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-31ea6bd57469b0f3.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f8c4f7ab327ea31a.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "594b021d45442f9cbf1317debbe8dd0e7cfc6ad658e2008f98a80731425a71a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594b021d45442f9cbf1317debbe8dd0e7cfc6ad658e2008f98a80731425a71a1", kill_on_drop: false }`
[INFO] [stdout] 594b021d45442f9cbf1317debbe8dd0e7cfc6ad658e2008f98a80731425a71a1