[INFO] fetching crate risc0-bigint2 1.4.10...
[INFO] building risc0-bigint2-1.4.10 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate risc0-bigint2 1.4.10 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate risc0-bigint2 1.4.10
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate risc0-bigint2 1.4.10
[INFO] tweaked toml for crates.io crate risc0-bigint2 1.4.10 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate risc0-bigint2 1.4.10 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate risc0-bigint2 1.4.10 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fce67cf995032d539a9c2d2c8d8e05a5a37bf6bc9d46dc3e450230da75deb17
[INFO] running `Command { std: "docker" "start" "-a" "9fce67cf995032d539a9c2d2c8d8e05a5a37bf6bc9d46dc3e450230da75deb17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fce67cf995032d539a9c2d2c8d8e05a5a37bf6bc9d46dc3e450230da75deb17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fce67cf995032d539a9c2d2c8d8e05a5a37bf6bc9d46dc3e450230da75deb17", kill_on_drop: false }`
[INFO] [stdout] 9fce67cf995032d539a9c2d2c8d8e05a5a37bf6bc9d46dc3e450230da75deb17
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f3537e92b5188099be4793315cc28887a6ad0d1b72038c527dbb54d2a9302c3
[INFO] running `Command { std: "docker" "start" "-a" "8f3537e92b5188099be4793315cc28887a6ad0d1b72038c527dbb54d2a9302c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling include_bytes_aligned v0.1.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling stability v0.2.1
[INFO] [stderr]    Compiling risc0-bigint2 v1.4.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `Command { std: "docker" "inspect" "8f3537e92b5188099be4793315cc28887a6ad0d1b72038c527dbb54d2a9302c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3537e92b5188099be4793315cc28887a6ad0d1b72038c527dbb54d2a9302c3", kill_on_drop: false }`
[INFO] [stdout] 8f3537e92b5188099be4793315cc28887a6ad0d1b72038c527dbb54d2a9302c3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3851138e602052982a9303c62a3044070cb66bd28a22a89e5d3386e1adfceb3
[INFO] running `Command { std: "docker" "start" "-a" "a3851138e602052982a9303c62a3044070cb66bd28a22a89e5d3386e1adfceb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libm v0.2.13
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling directories v6.0.0
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling flate2 v1.1.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling ruzstd v0.7.3
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.100/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=e8e58f82916a75e2 -C extra-filename=-8fbe4e885794bb83 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09040b10b620fa15.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.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" "a3851138e602052982a9303c62a3044070cb66bd28a22a89e5d3386e1adfceb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3851138e602052982a9303c62a3044070cb66bd28a22a89e5d3386e1adfceb3", kill_on_drop: false }`
[INFO] [stdout] a3851138e602052982a9303c62a3044070cb66bd28a22a89e5d3386e1adfceb3