[INFO] fetching crate mdfwob 1.17.0...
[INFO] testing mdfwob-1.17.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate mdfwob 1.17.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mdfwob 1.17.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mdfwob 1.17.0
[INFO] tweaked toml for crates.io crate mdfwob 1.17.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdfwob 1.17.0 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 mdfwob 1.17.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v1.1.2+spec-1.1.0
[INFO] [stderr]   Downloaded toml_writer v1.1.1+spec-1.1.0
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[INFO] [stderr]   Downloaded defmt v1.1.1
[INFO] [stderr]   Downloaded clap_derive v4.6.7
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[INFO] [stderr]   Downloaded darling v0.24.0
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[INFO] [stderr]   Downloaded mdfwob-core v1.17.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2a47f8835fbd19e2252d002004c2468e85e40850ee0b6427e1fa40a923aa44b7
[INFO] running `Command { std: "docker" "start" "2a47f8835fbd19e2252d002004c2468e85e40850ee0b6427e1fa40a923aa44b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a47f8835fbd19e2252d002004c2468e85e40850ee0b6427e1fa40a923aa44b7", 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" "2a47f8835fbd19e2252d002004c2468e85e40850ee0b6427e1fa40a923aa44b7" "/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" "2a47f8835fbd19e2252d002004c2468e85e40850ee0b6427e1fa40a923aa44b7", 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" "2a47f8835fbd19e2252d002004c2468e85e40850ee0b6427e1fa40a923aa44b7" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling smallvec v1.15.2
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling litemap v0.8.2
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling zeroize v1.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling aws-lc-rs v1.17.1
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]    Compiling bitflags v2.13.0
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling rustls-pki-types v1.15.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.22
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustls v0.23.41
[INFO] [stderr]    Compiling rust_decimal v1.42.1
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling time-core v0.1.9
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling log v0.4.33
[INFO] [stderr]    Compiling arrayvec v0.7.8
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]    Compiling http v1.4.2
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[INFO] [stderr]    Compiling cc v1.2.66
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[INFO] [stderr]    Compiling num_threads v0.1.7
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[INFO] [stderr]    Compiling getrandom v0.4.3
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[INFO] [stderr]    Compiling phf_codegen v0.11.3
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[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling twox-hash v2.1.2
[INFO] [stderr]    Compiling compression-core v0.4.32
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling aws-lc-sys v0.42.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling ref-cast v1.0.26
[INFO] [stderr]    Compiling ipnet v2.12.0
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[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling rustls-native-certs v0.8.4
[INFO] [stderr]    Compiling lz4_flex v0.14.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling fwob v1.14.1
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling darling_core v0.24.0
[INFO] [stderr]    Compiling serde_derive_internals v0.30.0
[INFO] [stderr]    Compiling time v0.3.55
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.16
[INFO] [stderr]    Compiling crossbeam-queue v0.3.13
[INFO] [stderr]    Compiling json-writer v0.4.0
[INFO] [stderr]    Compiling rmcp v3.4.0
[INFO] [stderr]    Compiling jiff-core v0.1.0
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling png v0.18.1
[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/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-3.0.3/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 debug-assertions=off --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=529de9ab605ab2c7 -C extra-filename=-1ebbb2a85e61ee95 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-ef13cdd4e3a95223.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-2327b47968d4deeb.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-3d1450b03eaa80c7.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-2.0.118/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 debug-assertions=off --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=dce5d3fda8eb406b -C extra-filename=-7d6229243be50d5e --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-ef13cdd4e3a95223.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-2327b47968d4deeb.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-3d1450b03eaa80c7.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2a47f8835fbd19e2252d002004c2468e85e40850ee0b6427e1fa40a923aa44b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a47f8835fbd19e2252d002004c2468e85e40850ee0b6427e1fa40a923aa44b7", kill_on_drop: false }`
[INFO] [stdout] 2a47f8835fbd19e2252d002004c2468e85e40850ee0b6427e1fa40a923aa44b7
