[INFO] fetching crate stacks-codec 2.4.1...
[INFO] testing stacks-codec-2.4.1 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate stacks-codec 2.4.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate stacks-codec 2.4.1
[INFO] finished tweaking crates.io crate stacks-codec 2.4.1
[INFO] tweaked toml for crates.io crate stacks-codec 2.4.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stacks-codec 2.4.1 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 335 packages to latest compatible versions
[INFO] [stderr]       Adding curve25519-dalek v2.0.0 (available: v2.1.3)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding wsts v8.1.0 (available: v14.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6bf6f5739afa23ee1081c06f20255b40de6a4feb0fad9cb51bc17ff0ac95d69
[INFO] running `Command { std: "docker" "start" "-a" "e6bf6f5739afa23ee1081c06f20255b40de6a4feb0fad9cb51bc17ff0ac95d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6bf6f5739afa23ee1081c06f20255b40de6a4feb0fad9cb51bc17ff0ac95d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6bf6f5739afa23ee1081c06f20255b40de6a4feb0fad9cb51bc17ff0ac95d69", kill_on_drop: false }`
[INFO] [stdout] e6bf6f5739afa23ee1081c06f20255b40de6a4feb0fad9cb51bc17ff0ac95d69
[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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cab714073f0119a0c723398eadf7dc6e2028b956e2fcacc623bc6a475246192b
[INFO] running `Command { std: "docker" "start" "-a" "cab714073f0119a0c723398eadf7dc6e2028b956e2fcacc623bc6a475246192b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling typenum v1.20.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling cranelift-isle v0.102.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.2.62
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.102.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.102.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling arbitrary v1.4.2
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling regalloc2 v0.9.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cranelift-control v0.102.1
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling ittapi-sys v0.4.0
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling cranelift-codegen v0.102.1
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling num-conv v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling wasmparser v0.116.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.25.2
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling wasmtime-asm-macros v15.0.1
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling leb128fmt v0.1.0
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling leb128 v0.2.6
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling toolchain_find v0.4.0
[INFO] [stderr]    Compiling wasm-encoder v0.36.2
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling wasm-encoder v0.248.0
[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/33835004928d3bf65db4d4712e1330766263b0bd/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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="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=d4b233693da3693c -C extra-filename=-7eea0cbf5f6803a4 --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] running `Command { std: "docker" "inspect" "cab714073f0119a0c723398eadf7dc6e2028b956e2fcacc623bc6a475246192b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab714073f0119a0c723398eadf7dc6e2028b956e2fcacc623bc6a475246192b", kill_on_drop: false }`
[INFO] [stdout] cab714073f0119a0c723398eadf7dc6e2028b956e2fcacc623bc6a475246192b
