[INFO] fetching crate prolock 1.2.3...
[INFO] testing prolock-1.2.3 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate prolock 1.2.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate prolock 1.2.3
[INFO] finished tweaking crates.io crate prolock 1.2.3
[INFO] tweaked toml for crates.io crate prolock 1.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prolock 1.2.3 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prolock 1.2.3 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3207206d437f0415fa69642d2dc7fd0b7d7653abc71e69387704ba7784a84d3a
[INFO] running `Command { std: "docker" "start" "3207206d437f0415fa69642d2dc7fd0b7d7653abc71e69387704ba7784a84d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3207206d437f0415fa69642d2dc7fd0b7d7653abc71e69387704ba7784a84d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3207206d437f0415fa69642d2dc7fd0b7d7653abc71e69387704ba7784a84d3a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3207206d437f0415fa69642d2dc7fd0b7d7653abc71e69387704ba7784a84d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3207206d437f0415fa69642d2dc7fd0b7d7653abc71e69387704ba7784a84d3a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling smallvec v1.16.2
[INFO] [stderr]    Compiling libm v0.2.16
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[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling pkg-config v0.3.34
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling arrayvec v0.7.8
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling dlib v0.5.3
[INFO] [stderr]    Compiling winnow v1.0.4
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[INFO] [stderr]    Compiling zerocopy v0.8.59
[INFO] [stderr]    Compiling cc v1.5.1
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.2
[INFO] [stderr]    Compiling parking v2.2.1
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[INFO] [stderr]    Compiling endi v1.1.1
[INFO] [stderr]    Compiling wayland-sys v0.31.11
[INFO] [stderr]    Compiling wayland-client v0.31.15
[INFO] [stderr]    Compiling either v1.18.0
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling quick-xml v0.41.0
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling futures-io v0.3.34
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling hybrid-array v0.4.15
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling syn v2.0.119
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[INFO] [stderr]    Compiling rand_core v0.10.1
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[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.10
[INFO] [stderr]    Compiling wayland-backend v0.3.17
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling crypto-common v0.2.2
[INFO] [stderr]    Compiling toml_parser v1.1.3+spec-1.1.0
[INFO] [stderr]    Compiling wayland-scanner v0.31.11
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
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[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling rayon-core v1.13.0
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[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling toml_edit v0.25.15+spec-1.1.0
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[INFO] [stderr]    Compiling polycool v0.4.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
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[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling raw-window-handle v0.6.2
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling kurbo v0.13.1
[INFO] [stderr]    Compiling piper v0.2.5
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling euclid v0.22.14
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling uuid v1.26.1
[INFO] [stderr]    Compiling cursor-icon v1.2.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.5.2
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[INFO] [stderr]    Compiling xkeysym v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]    Compiling accesskit v0.24.1
[INFO] [stderr]    Compiling xcursor v0.3.11
[INFO] [stderr]    Compiling linebender_resource_handle v0.1.1
[INFO] [stderr]    Compiling guillotiere v0.7.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling blocking v1.7.0
[INFO] [stderr]    Compiling async-executor v1.14.0
[INFO] [stderr]    Compiling block-buffer v0.12.1
[INFO] [stderr]    Compiling async-broadcast v0.7.2
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling naga v30.0.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling as-slice v0.2.1
[INFO] [stderr]    Compiling memmap2 v0.9.11
[INFO] [stderr]    Compiling av-scenechange v0.14.1
[INFO] [stderr]    Compiling built v0.8.1
[INFO] [stderr]    Compiling unicode-general-category v1.1.0
[INFO] [stderr]    Compiling fearless_simd v0.4.1
[INFO] [stderr]    Compiling ash v0.38.0+1.3.281
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling bit-vec v0.9.1
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling aligned v0.4.3
[INFO] [stderr]    Compiling bit-set v0.10.0
[INFO] [stderr]    Compiling miniz_oxide v0.9.1
[INFO] [stderr]    Compiling rav1e v0.8.1
[INFO] [stderr]    Compiling codespan-reporting v0.13.1
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling no_std_io2 v0.9.4
[INFO] [stderr]    Compiling bstr v1.13.1
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling pulp v0.22.3
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.6/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=bb44dd91ec84a25b -C extra-filename=-fd2fb5a0ef0560d3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-de5daf42fe7aa251.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-cee6c3f8f0e24a6a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a39dac5fe6df0141.rmeta --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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.6/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="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"' --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=30e220a647a6817c -C extra-filename=-52ba406a8b440982 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0c225d9f1af2dcfd.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b6cd27b015a25ecc.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a39dac5fe6df0141.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3207206d437f0415fa69642d2dc7fd0b7d7653abc71e69387704ba7784a84d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3207206d437f0415fa69642d2dc7fd0b7d7653abc71e69387704ba7784a84d3a", kill_on_drop: false }`
[INFO] [stdout] 3207206d437f0415fa69642d2dc7fd0b7d7653abc71e69387704ba7784a84d3a
