[INFO] fetching crate suppaftp 8.0.3...
[INFO] testing suppaftp-8.0.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate suppaftp 8.0.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate suppaftp 8.0.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate suppaftp 8.0.3
[INFO] tweaked toml for crates.io crate suppaftp 8.0.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate suppaftp 8.0.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate suppaftp 8.0.3 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88ef24fd4c049db13cea92a9c78c1ce6c229d4ac34ba8dba53f7d9bd3a80e90a
[INFO] running `Command { std: "docker" "start" "-a" "88ef24fd4c049db13cea92a9c78c1ce6c229d4ac34ba8dba53f7d9bd3a80e90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88ef24fd4c049db13cea92a9c78c1ce6c229d4ac34ba8dba53f7d9bd3a80e90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ef24fd4c049db13cea92a9c78c1ce6c229d4ac34ba8dba53f7d9bd3a80e90a", kill_on_drop: false }`
[INFO] [stdout] 88ef24fd4c049db13cea92a9c78c1ce6c229d4ac34ba8dba53f7d9bd3a80e90a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48b96831d1d558708e5960f76ba941f9e7cb8df2918d2f2b1fd6f80faa7e3987
[INFO] running `Command { std: "docker" "start" "-a" "48b96831d1d558708e5960f76ba941f9e7cb8df2918d2f2b1fd6f80faa7e3987", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.6.0
[INFO] [stderr]    Compiling lazy-regex v3.6.0
[INFO] [stderr]    Compiling suppaftp v8.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.08s
[INFO] running `Command { std: "docker" "inspect" "48b96831d1d558708e5960f76ba941f9e7cb8df2918d2f2b1fd6f80faa7e3987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b96831d1d558708e5960f76ba941f9e7cb8df2918d2f2b1fd6f80faa7e3987", kill_on_drop: false }`
[INFO] [stdout] 48b96831d1d558708e5960f76ba941f9e7cb8df2918d2f2b1fd6f80faa7e3987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 773c86337f35383b4261ea5cc3096a625c44793998727ef7354772d9490bb567
[INFO] running `Command { std: "docker" "start" "-a" "773c86337f35383b4261ea5cc3096a625c44793998727ef7354772d9490bb567", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling bollard-buildkit-proto v0.7.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling axum-core v0.5.6
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling ureq-proto v0.5.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling etcetera v0.11.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling jiff v0.2.20
[INFO] [stderr]    Compiling webpki-roots v1.0.6
[INFO] [stderr]    Compiling num-rational v0.4.2
[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-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.115/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=74365127fc05ed95 -C extra-filename=-989002edce2af431 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2306e84c82f3aaa6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-027aa035d3b7b87f.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-114df360ce5d389d.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" "773c86337f35383b4261ea5cc3096a625c44793998727ef7354772d9490bb567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773c86337f35383b4261ea5cc3096a625c44793998727ef7354772d9490bb567", kill_on_drop: false }`
[INFO] [stdout] 773c86337f35383b4261ea5cc3096a625c44793998727ef7354772d9490bb567
