[INFO] fetching crate ruprizzle-testkit 0.1.0-alpha.3...
[INFO] testing ruprizzle-testkit-0.1.0-alpha.3 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ruprizzle-testkit 0.1.0-alpha.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ruprizzle-testkit 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate ruprizzle-testkit 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate ruprizzle-testkit 0.1.0-alpha.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruprizzle-testkit 0.1.0-alpha.3 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ruprizzle-testkit 0.1.0-alpha.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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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] 4c445d4f233cb9364d045485d8b53d4334ef2257b765a980d68872918a0a5a05
[INFO] running `Command { std: "docker" "start" "4c445d4f233cb9364d045485d8b53d4334ef2257b765a980d68872918a0a5a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c445d4f233cb9364d045485d8b53d4334ef2257b765a980d68872918a0a5a05", 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" "4c445d4f233cb9364d045485d8b53d4334ef2257b765a980d68872918a0a5a05" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c445d4f233cb9364d045485d8b53d4334ef2257b765a980d68872918a0a5a05", 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" "4c445d4f233cb9364d045485d8b53d4334ef2257b765a980d68872918a0a5a05" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling zerocopy v0.8.56
[INFO] [stderr]    Compiling rust_decimal v1.42.1
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling futures-core v0.3.33
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling find-msvc-tools v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling thiserror-impl v2.0.20
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling futures-sink v0.3.33
[INFO] [stderr]    Compiling crossbeam-utils v0.8.22
[INFO] [stderr]    Compiling futures-io v0.3.33
[INFO] [stderr]    Compiling futures-task v0.3.33
[INFO] [stderr]    Compiling cc v1.4.2
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]    Compiling arrayvec v0.7.8
[INFO] [stderr]    Compiling log v0.4.33
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling futures-util v0.3.33
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling event-listener v5.4.2
[INFO] [stderr]    Compiling tinyvec v1.12.0
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.13
[INFO] [stderr]    Compiling mio v1.2.2
[INFO] [stderr]    Compiling uuid v1.24.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling futures-channel v0.3.33
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling spin v0.9.9
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling stringprep v0.1.5
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling md-5 v0.10.6
[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/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --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=ff218aa8803b35be -C extra-filename=-11e8de9af56786ed --out-dir /opt/rustwide/target/release/build/syn/11e8de9af56786ed/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/58bd5a67493b0c92/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/3d1450b03eaa80c7/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/58bd5a67493b0c92/out/libproc_macro2-58bd5a67493b0c92.rmeta --extern quote=/opt/rustwide/target/release/build/quote/bb159eae73371f0d/out/libquote-bb159eae73371f0d.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/3d1450b03eaa80c7/out/libunicode_ident-3d1450b03eaa80c7.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name serde_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.229/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="alloc"' --cfg 'feature="rc"' --cfg 'feature="result"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "rc", "result", "std", "unstable"))' -C metadata=1f66ef952e6eab69 -C extra-filename=-0717b0e9216e529c --out-dir /opt/rustwide/target/release/build/serde_core/0717b0e9216e529c/out -C strip=debuginfo --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies --check-cfg 'cfg(if_docsrs_then_no_serde_core)' --check-cfg 'cfg(no_core_cstr)' --check-cfg 'cfg(no_core_error)' --check-cfg 'cfg(no_core_net)' --check-cfg 'cfg(no_core_num_saturating)' --check-cfg 'cfg(no_diagnostic_namespace)' --check-cfg 'cfg(no_serde_derive)' --check-cfg 'cfg(no_std_atomic)' --check-cfg 'cfg(no_std_atomic64)' --check-cfg 'cfg(no_target_has_atomic)'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4c445d4f233cb9364d045485d8b53d4334ef2257b765a980d68872918a0a5a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c445d4f233cb9364d045485d8b53d4334ef2257b765a980d68872918a0a5a05", kill_on_drop: false }`
[INFO] [stdout] 4c445d4f233cb9364d045485d8b53d4334ef2257b765a980d68872918a0a5a05
