[INFO] fetching crate samling 0.5.5...
[INFO] testing samling-0.5.5 against 1.77.0 for beta-1.78-1
[INFO] extracting crate samling 0.5.5 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate samling 0.5.5 on toolchain 1.77.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate samling 0.5.5
[INFO] finished tweaking crates.io crate samling 0.5.5
[INFO] tweaked toml for crates.io crate samling 0.5.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate samling 0.5.5 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" "+1.77.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded postgres-derive v0.4.4
[INFO] [stderr]   Downloaded sentry-types v0.31.1
[INFO] [stderr]   Downloaded sentry-tracing v0.31.1
[INFO] [stderr]   Downloaded sentry-tower v0.31.1
[INFO] [stderr]   Downloaded sentry-panic v0.31.1
[INFO] [stderr]   Downloaded mimalloc v0.1.37
[INFO] [stderr]   Downloaded cornucopia_client_core v0.4.0
[INFO] [stderr]   Downloaded deadpool-postgres v0.10.5
[INFO] [stderr]   Downloaded schemars_derive v0.8.12
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.36
[INFO] [stderr]   Downloaded sentry-contexts v0.31.1
[INFO] [stderr]   Downloaded sentry-backtrace v0.31.1
[INFO] [stderr]   Downloaded cornucopia_async v0.4.0
[INFO] [stderr]   Downloaded schemars v0.8.12
[INFO] [stderr]   Downloaded argon2 v0.5.0
[INFO] [stderr]   Downloaded axum-macros v0.3.7
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.33
[INFO] [stderr]   Downloaded governor v0.5.1
[INFO] [stderr]   Downloaded postgres v0.19.5
[INFO] [stderr]   Downloaded rust_decimal v1.29.1
[INFO] [stderr]   Downloaded tower-http v0.4.0
[INFO] [stderr]   Downloaded sentry-core v0.31.1
[INFO] [stderr]   Downloaded sentry v0.31.1
[INFO] [stderr]   Downloaded rust_xlsxwriter v0.39.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bf77389618900e138f17f6f2695572a8e9c6716d67ed93cd487eeedc86499fc
[INFO] running `Command { std: "docker" "start" "-a" "0bf77389618900e138f17f6f2695572a8e9c6716d67ed93cd487eeedc86499fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bf77389618900e138f17f6f2695572a8e9c6716d67ed93cd487eeedc86499fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf77389618900e138f17f6f2695572a8e9c6716d67ed93cd487eeedc86499fc", kill_on_drop: false }`
[INFO] [stdout] 0bf77389618900e138f17f6f2695572a8e9c6716d67ed93cd487eeedc86499fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e705273f81c3ebc47fa0b779c7f72d9badb870494ac83d2b24069ad698dbfab
[INFO] running `Command { std: "docker" "start" "-a" "9e705273f81c3ebc47fa0b779c7f72d9badb870494ac83d2b24069ad698dbfab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling base64 v0.21.1
[INFO] [stderr]    Compiling cpufeatures v0.2.7
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling syn v2.0.16
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling rustls v0.21.1
[INFO] [stderr]    Compiling phf v0.11.1
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling socket2 v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling gimli v0.27.2
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling md-5 v0.10.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling toml_datetime v0.6.2
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling winnow v0.4.6
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling sentry-contexts v0.31.1
[INFO] [stderr]    Compiling brotli-decompressor v2.3.4
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling retain_mut v0.1.9
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling rust_decimal v1.29.1
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling regex v1.8.2
[INFO] [stderr]    Compiling brotli v3.3.4
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling axum v0.6.18
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling rustls-pemfile v1.0.2
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling toml_edit v0.19.9
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling schemars v0.8.12
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling ipnet v2.7.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.56
[INFO] [stderr]    Compiling clap_builder v4.3.0
[INFO] [stderr]    Compiling schemars_derive v0.8.12
[INFO] [stderr]    Compiling chrono v0.4.24
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling itertools v0.10.5
[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/1.77.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.16/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"' --cfg 'feature="visit-mut"' -C metadata=4ca9b76b8c0e660b -C extra-filename=-4ca9b76b8c0e660b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-dd7a5597f8196e23.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-fd5c0e2e4dd939b5.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-924d0cd729cc0af7.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9e705273f81c3ebc47fa0b779c7f72d9badb870494ac83d2b24069ad698dbfab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e705273f81c3ebc47fa0b779c7f72d9badb870494ac83d2b24069ad698dbfab", kill_on_drop: false }`
[INFO] [stdout] 9e705273f81c3ebc47fa0b779c7f72d9badb870494ac83d2b24069ad698dbfab