[INFO] fetching crate async-snmp 0.5.0...
[INFO] testing async-snmp-0.5.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate async-snmp 0.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate async-snmp 0.5.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate async-snmp 0.5.0
[INFO] tweaked toml for crates.io crate async-snmp 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-snmp 0.5.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate async-snmp 0.5.0 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd0aa3b12ec3b2a35865c6d33ad2b986725f359004d4105da69867ab6b71eecb
[INFO] running `Command { std: "docker" "start" "-a" "fd0aa3b12ec3b2a35865c6d33ad2b986725f359004d4105da69867ab6b71eecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd0aa3b12ec3b2a35865c6d33ad2b986725f359004d4105da69867ab6b71eecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0aa3b12ec3b2a35865c6d33ad2b986725f359004d4105da69867ab6b71eecb", kill_on_drop: false }`
[INFO] [stdout] fd0aa3b12ec3b2a35865c6d33ad2b986725f359004d4105da69867ab6b71eecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9807c15ed9fb129591c4a6369003411786ecac6d3323fa68f1df59ff9758078a
[INFO] running `Command { std: "docker" "start" "-a" "9807c15ed9fb129591c4a6369003411786ecac6d3323fa68f1df59ff9758078a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling quinn-udp v0.5.14
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cfb-mode v0.8.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling des v0.8.1
[INFO] [stderr]    Compiling cbc v0.1.2
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling zeroize_derive v1.4.3
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling async-snmp v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/transport/udp.rs:177:33
[INFO] [stdout]     |
[INFO] [stdout] 177 | ...                   Err(e) if inner.shutdown.is_cancelled() => break,
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.23s
[INFO] running `Command { std: "docker" "inspect" "9807c15ed9fb129591c4a6369003411786ecac6d3323fa68f1df59ff9758078a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9807c15ed9fb129591c4a6369003411786ecac6d3323fa68f1df59ff9758078a", kill_on_drop: false }`
[INFO] [stdout] 9807c15ed9fb129591c4a6369003411786ecac6d3323fa68f1df59ff9758078a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 124a27d640849b57b3b6e664b1cfe729267147f3e58e553926f12de777c35079
[INFO] running `Command { std: "docker" "start" "-a" "124a27d640849b57b3b6e664b1cfe729267147f3e58e553926f12de777c35079", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling zmij v1.0.15
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling cc v1.2.53
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling bollard-buildkit-proto v0.7.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling ureq-proto v0.5.3
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling portable-atomic v1.13.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling axum-core v0.5.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling clap_lex v0.7.7
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling openssl-probe v0.2.0
[INFO] [stderr]    Compiling ryu v1.0.22
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling clap_builder v4.5.54
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling flate2 v1.1.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling rayon v1.11.0
[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/beta-2026-03-05-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=28646e95ffbbb38c -C extra-filename=-b171ef7fef9b3385 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-19de5095f79d51c0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-37c4424635ba4418.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-3a00dd35274e822e.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" "124a27d640849b57b3b6e664b1cfe729267147f3e58e553926f12de777c35079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124a27d640849b57b3b6e664b1cfe729267147f3e58e553926f12de777c35079", kill_on_drop: false }`
[INFO] [stdout] 124a27d640849b57b3b6e664b1cfe729267147f3e58e553926f12de777c35079
