[INFO] fetching crate slipstream-cli 2.6.0...
[INFO] testing slipstream-cli-2.6.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate slipstream-cli 2.6.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate slipstream-cli 2.6.0
[INFO] finished tweaking crates.io crate slipstream-cli 2.6.0
[INFO] tweaked toml for crates.io crate slipstream-cli 2.6.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slipstream-cli 2.6.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slipstream-cli 2.6.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77aa6c658bb0a83e43df9030905c2d101b548a30af060f766e65b478a0f3bf11
[INFO] running `Command { std: "docker" "start" "-a" "77aa6c658bb0a83e43df9030905c2d101b548a30af060f766e65b478a0f3bf11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77aa6c658bb0a83e43df9030905c2d101b548a30af060f766e65b478a0f3bf11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77aa6c658bb0a83e43df9030905c2d101b548a30af060f766e65b478a0f3bf11", kill_on_drop: false }`
[INFO] [stdout] 77aa6c658bb0a83e43df9030905c2d101b548a30af060f766e65b478a0f3bf11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de3f9945d3b5129e53181352201cf17d2eef13bb6d9a44e06dba4868f1bde636
[INFO] running `Command { std: "docker" "start" "-a" "de3f9945d3b5129e53181352201cf17d2eef13bb6d9a44e06dba4868f1bde636", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling bstr v1.11.3
[INFO] [stderr]    Compiling rustls v0.23.21
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling selectors v0.27.0
[INFO] [stderr]    Compiling onig_sys v69.9.1
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling rstest_macros v0.25.0
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling servo_arc v0.4.1
[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-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.96/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=42a64dd477f13309 -C extra-filename=-598f7b443b2cfa84 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1709ad8363de99ca.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d13609a594b6490f.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8f02949389562b0d.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" "de3f9945d3b5129e53181352201cf17d2eef13bb6d9a44e06dba4868f1bde636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de3f9945d3b5129e53181352201cf17d2eef13bb6d9a44e06dba4868f1bde636", kill_on_drop: false }`
[INFO] [stdout] de3f9945d3b5129e53181352201cf17d2eef13bb6d9a44e06dba4868f1bde636