[INFO] fetching crate xbp 0.5.2...
[INFO] testing xbp-0.5.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate xbp 0.5.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate xbp 0.5.2
[INFO] finished tweaking crates.io crate xbp 0.5.2
[INFO] tweaked toml for crates.io crate xbp 0.5.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xbp 0.5.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xbp 0.5.2 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netlink-sys v0.8.7
[INFO] [stderr]   Downloaded netlink-packet-utils v0.5.2
[INFO] [stderr]   Downloaded netlink-packet-core v0.7.0
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded russh-util v0.52.0
[INFO] [stderr]   Downloaded russh-sftp v2.1.1
[INFO] [stderr]   Downloaded bcrypt-pbkdf v0.10.0
[INFO] [stderr]   Downloaded argon2 v0.5.3
[INFO] [stderr]   Downloaded seize v0.3.3
[INFO] [stderr]   Downloaded rpassword v7.4.0
[INFO] [stderr]   Downloaded internal-russh-forked-ssh-key v0.6.10+upstream-0.6.7
[INFO] [stderr]   Downloaded flurry v0.5.2
[INFO] [stderr]   Downloaded russh v0.52.1
[INFO] [stderr]   Downloaded chacha20 v0.9.1
[INFO] [stderr]   Downloaded delegate v0.13.4
[INFO] [stderr]   Downloaded poly1305 v0.8.0
[INFO] [stderr]   Downloaded pageant v0.0.3
[INFO] [stderr]   Downloaded russh-cryptovec v0.52.0
[INFO] [stderr]   Downloaded netlink-packet-sock-diag v0.4.2
[INFO] [stderr]   Downloaded netstat2 v0.11.1
[INFO] [stderr]   Downloaded rtoolbox v0.0.3
[INFO] [stderr]   Downloaded async-ssh2-tokio v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52c7241ff3c573ee4e59eadff5fada047d2940480119b3452ff6e919be8f7405
[INFO] running `Command { std: "docker" "start" "-a" "52c7241ff3c573ee4e59eadff5fada047d2940480119b3452ff6e919be8f7405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52c7241ff3c573ee4e59eadff5fada047d2940480119b3452ff6e919be8f7405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c7241ff3c573ee4e59eadff5fada047d2940480119b3452ff6e919be8f7405", kill_on_drop: false }`
[INFO] [stdout] 52c7241ff3c573ee4e59eadff5fada047d2940480119b3452ff6e919be8f7405
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ada14b6241d0e1dc13157ca3d8b9a7c704cdb23ecb79e788a4ece44d8df9315
[INFO] running `Command { std: "docker" "start" "-a" "1ada14b6241d0e1dc13157ca3d8b9a7c704cdb23ecb79e788a4ece44d8df9315", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling prettyplease v0.2.36
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling bindgen v0.71.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling seize v0.3.3
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.91.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.5/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 -C debuginfo=2 --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=8aba61b3d7b89001 -C extra-filename=-12b0e863a12e1907 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/1.91.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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=6efcb20f87accaaa -C extra-filename=-83def66f6e851215 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-30837483fd0d4fb6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bc9abf35f15701cf.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6d2f6ebc0debe2a6.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1ada14b6241d0e1dc13157ca3d8b9a7c704cdb23ecb79e788a4ece44d8df9315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ada14b6241d0e1dc13157ca3d8b9a7c704cdb23ecb79e788a4ece44d8df9315", kill_on_drop: false }`
[INFO] [stdout] 1ada14b6241d0e1dc13157ca3d8b9a7c704cdb23ecb79e788a4ece44d8df9315