[INFO] fetching crate chess-corners-ml 0.5.0...
[INFO] checking chess-corners-ml-0.5.0 against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418
[INFO] extracting crate chess-corners-ml 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate chess-corners-ml 0.5.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate chess-corners-ml 0.5.0
[INFO] tweaked toml for crates.io crate chess-corners-ml 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate chess-corners-ml 0.5.0 on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate chess-corners-ml 0.5.0 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9efecad121a7992f969b12682e048879ab7fbb327ee0bbf44de3cff279460794
[INFO] running `Command { std: "docker" "start" "-a" "9efecad121a7992f969b12682e048879ab7fbb327ee0bbf44de3cff279460794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9efecad121a7992f969b12682e048879ab7fbb327ee0bbf44de3cff279460794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9efecad121a7992f969b12682e048879ab7fbb327ee0bbf44de3cff279460794", kill_on_drop: false }`
[INFO] [stdout] 9efecad121a7992f969b12682e048879ab7fbb327ee0bbf44de3cff279460794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b8ea9077ba695de00f42b19c64a65226e72e654959ed9217791552975b79b4c
[INFO] running `Command { std: "docker" "start" "-a" "6b8ea9077ba695de00f42b19c64a65226e72e654959ed9217791552975b79b4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling anymap2 v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling liquid-derive v0.26.10
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling tinyvec v1.11.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]     Checking nom-language v0.1.0
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking dyn-hash v0.2.2
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking zlib-rs v0.6.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rustfft v6.4.1
[INFO] [stderr]     Checking anymap3 v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking xattr v1.6.1
[INFO] [stderr]     Checking filetime v0.2.27
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking tar v0.4.45
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]     Checking zerocopy v0.8.48
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pest_meta v2.8.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking zopfli v0.8.3
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking memmap2 v0.9.10
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]     Checking ndarray v0.17.2
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]     Checking zip v6.0.0
[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/ad93f57d532978d6739002a21bc66b45ed22f998/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=94b6e67f5bccd47d -C extra-filename=-e58c9de1e49d6991 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-774d2fb1b129607b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e79a3b083d919da9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-af4dab7b77cddc19.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde_derive` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ad93f57d532978d6739002a21bc66b45ed22f998/bin/rustc --crate-name serde_derive --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.228/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "deserialize_in_place"))' -C metadata=07aa765ab6b11683 -C extra-filename=-c964ac2b4679a7e0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-774d2fb1b129607b.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-e79a3b083d919da9.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-ddfa49c649ed558d.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6b8ea9077ba695de00f42b19c64a65226e72e654959ed9217791552975b79b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8ea9077ba695de00f42b19c64a65226e72e654959ed9217791552975b79b4c", kill_on_drop: false }`
[INFO] [stdout] 6b8ea9077ba695de00f42b19c64a65226e72e654959ed9217791552975b79b4c