[INFO] cloning repository https://github.com/t4mpz/mddf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t4mpz/mddf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft4mpz%2Fmddf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft4mpz%2Fmddf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df48bcd34d6261ce383e0afd9cee2e1cee37d2ea
[INFO] testing t4mpz/mddf against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft4mpz%2Fmddf" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/t4mpz/mddf
[INFO] finished tweaking git repo https://github.com/t4mpz/mddf
[INFO] tweaked toml for git repo https://github.com/t4mpz/mddf written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/t4mpz/mddf on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "generate-lockfile" "--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]      Locking 387 packages to latest compatible versions
[INFO] [stderr]       Adding fantoccini v0.21.5 (available: v0.22.0)
[INFO] [stderr]       Adding indicatif v0.17.11 (available: v0.18.0)
[INFO] [stderr]       Adding pdf-writer v0.12.1 (available: v0.13.0)
[INFO] [stderr]       Adding scraper v0.22.0 (available: v0.24.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curl v0.4.49
[INFO] [stderr]   Downloaded img-parts v0.2.3
[INFO] [stderr]   Downloaded jpeg-to-pdf v0.2.3
[INFO] [stderr]   Downloaded curl-sys v0.4.83+curl-8.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e758a03978931da4f29fd5f6c0bd80792c542cdac1eef8628cde30720c1b65d
[INFO] running `Command { std: "docker" "start" "-a" "1e758a03978931da4f29fd5f6c0bd80792c542cdac1eef8628cde30720c1b65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e758a03978931da4f29fd5f6c0bd80792c542cdac1eef8628cde30720c1b65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e758a03978931da4f29fd5f6c0bd80792c542cdac1eef8628cde30720c1b65d", kill_on_drop: false }`
[INFO] [stdout] 1e758a03978931da4f29fd5f6c0bd80792c542cdac1eef8628cde30720c1b65d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a7a248a9f5c63093a65f7e3def4e7e1a487df180b45d321010f6f15fa5c84fc
[INFO] running `Command { std: "docker" "start" "-a" "3a7a248a9f5c63093a65f7e3def4e7e1a487df180b45d321010f6f15fa5c84fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling weezl v0.1.10
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling markup5ever v0.14.1
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling curl-sys v0.4.83+curl-8.15.0
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling selectors v0.26.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitstream-io v2.6.0
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling imgref v1.11.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling avif-serialize v0.8.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling servo_arc v0.4.1
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling mutate_once v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling curl v0.4.49
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling zune-core v0.4.12
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling image-webp v0.2.4
[INFO] [stderr]    Compiling img-parts v0.2.3
[INFO] [stderr]    Compiling zune-jpeg v0.4.20
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling kamadak-exif v0.5.5
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling gif v0.13.3
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling ego-tree v0.10.0
[INFO] [stderr]    Compiling pdf-writer v0.12.1
[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/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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"' --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=65c7977e6ffce01d -C extra-filename=-c262a97628ff7953 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0a3b3fe24b469f09.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e098ac900c08002b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3a7a248a9f5c63093a65f7e3def4e7e1a487df180b45d321010f6f15fa5c84fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7a248a9f5c63093a65f7e3def4e7e1a487df180b45d321010f6f15fa5c84fc", kill_on_drop: false }`
[INFO] [stdout] 3a7a248a9f5c63093a65f7e3def4e7e1a487df180b45d321010f6f15fa5c84fc