[INFO] fetching crate idempotency-kit 0.1.0...
[INFO] testing idempotency-kit-0.1.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate idempotency-kit 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate idempotency-kit 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate idempotency-kit 0.1.0
[INFO] tweaked toml for crates.io crate idempotency-kit 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate idempotency-kit 0.1.0 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 idempotency-kit 0.1.0 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" "+1.100.0-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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 327e781eade9114486a81234fa0d8b2fdbc5e87307f9497182a54094f8dce139
[INFO] running `Command { std: "docker" "start" "327e781eade9114486a81234fa0d8b2fdbc5e87307f9497182a54094f8dce139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "327e781eade9114486a81234fa0d8b2fdbc5e87307f9497182a54094f8dce139", 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" "327e781eade9114486a81234fa0d8b2fdbc5e87307f9497182a54094f8dce139" "/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" "327e781eade9114486a81234fa0d8b2fdbc5e87307f9497182a54094f8dce139", 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" "327e781eade9114486a81234fa0d8b2fdbc5e87307f9497182a54094f8dce139" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.12
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]    Compiling smallvec v1.16.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling arrayvec v0.7.8
[INFO] [stderr]    Compiling cpufeatures v0.3.1
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling cc v1.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling blake3 v1.8.7
[INFO] [stderr]    Compiling dashmap v6.2.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.20
[INFO] [stderr]    Compiling async-trait v0.1.92
[INFO] [stderr]    Compiling idempotency-kit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "327e781eade9114486a81234fa0d8b2fdbc5e87307f9497182a54094f8dce139", 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" "327e781eade9114486a81234fa0d8b2fdbc5e87307f9497182a54094f8dce139" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling futures-sink v0.3.34
[INFO] [stderr]    Compiling smallvec v1.16.1
[INFO] [stderr]    Compiling futures-io v0.3.34
[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling mio v1.2.3
[INFO] [stderr]    Compiling zerocopy v0.8.57
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling futures-channel v0.3.34
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling http-body-util v0.1.5
[INFO] [stderr]    Compiling either v1.18.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling litemap v0.8.3
[INFO] [stderr]    Compiling writeable v0.6.4
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling rustls v0.23.45
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling cpufeatures v0.3.1
[INFO] [stderr]    Compiling base64 v0.23.1
[INFO] [stderr]    Compiling axum-core v0.5.6
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling bitflags v2.13.2
[INFO] [stderr]    Compiling utf8-zero v0.8.1
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]    Compiling ureq-proto v0.6.3
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling bollard-buildkit-proto v0.7.0
[INFO] [stderr]    Compiling portable-atomic v1.15.0
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.46
[INFO] [stderr]    Compiling chacha20 v0.10.2
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling rustc-hash v2.1.3
[INFO] [stderr]    Compiling rand v0.10.2
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling clap_lex v1.1.1
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling clap_builder v4.6.7
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling etcetera v0.11.0
[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/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-3.0.5/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=6bcae5765ffebc8c -C extra-filename=-6521e83ed680fdba --out-dir /opt/rustwide/target/release/build/syn/6521e83ed680fdba/out -C strip=symbols -L dependency=/opt/rustwide/target/release/build/proc-macro2/620aae48b44e32df/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/ce4bf93f0be0a1d0/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/620aae48b44e32df/out/libproc_macro2-620aae48b44e32df.rmeta --extern quote=/opt/rustwide/target/release/build/quote/ae54f533389ce544/out/libquote-ae54f533389ce544.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/ce4bf93f0be0a1d0/out/libunicode_ident-ce4bf93f0be0a1d0.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 `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=25090f44335c1efb -C extra-filename=-4219dc53bf586592 --out-dir /opt/rustwide/target/release/build/syn/4219dc53bf586592/out -C strip=symbols -L dependency=/opt/rustwide/target/release/build/proc-macro2/620aae48b44e32df/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/ce4bf93f0be0a1d0/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/620aae48b44e32df/out/libproc_macro2-620aae48b44e32df.rmeta --extern quote=/opt/rustwide/target/release/build/quote/ae54f533389ce544/out/libquote-ae54f533389ce544.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/ce4bf93f0be0a1d0/out/libunicode_ident-ce4bf93f0be0a1d0.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "327e781eade9114486a81234fa0d8b2fdbc5e87307f9497182a54094f8dce139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327e781eade9114486a81234fa0d8b2fdbc5e87307f9497182a54094f8dce139", kill_on_drop: false }`
[INFO] [stdout] 327e781eade9114486a81234fa0d8b2fdbc5e87307f9497182a54094f8dce139
