[INFO] fetching crate unc-dyn-configs 0.12.2...
[INFO] testing unc-dyn-configs-0.12.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate unc-dyn-configs 0.12.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate unc-dyn-configs 0.12.2
[INFO] finished tweaking crates.io crate unc-dyn-configs 0.12.2
[INFO] tweaked toml for crates.io crate unc-dyn-configs 0.12.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unc-dyn-configs 0.12.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 513 packages to latest compatible versions
[INFO] [stderr]       Adding prometheus v0.13.4 (available: v0.14.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] [stderr]       Adding wasmprinter v0.2.57 (available: v0.2.80)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a03c300e3c5fe2f6e5a3322dba1b7e80d20312b468b3cab118663e786fcbeca
[INFO] running `Command { std: "docker" "start" "-a" "2a03c300e3c5fe2f6e5a3322dba1b7e80d20312b468b3cab118663e786fcbeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a03c300e3c5fe2f6e5a3322dba1b7e80d20312b468b3cab118663e786fcbeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a03c300e3c5fe2f6e5a3322dba1b7e80d20312b468b3cab118663e786fcbeca", kill_on_drop: false }`
[INFO] [stdout] 2a03c300e3c5fe2f6e5a3322dba1b7e80d20312b468b3cab118663e786fcbeca
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 784ab77466db763990635d177abc5fbf2c4e7c3b323cd2b14cb614513ac75cb6
[INFO] running `Command { std: "docker" "start" "-a" "784ab77466db763990635d177abc5fbf2c4e7c3b323cd2b14cb614513ac75cb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling rkyv v0.7.45
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling cranelift-isle v0.101.4
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.101.4
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.101.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling borsh v1.5.7
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling regalloc2 v0.9.3
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling wasmer-vm-x v2.4.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling memmap2 v0.5.10
[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/b83b707f97d809763b7861afa7638871f3339a33/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="fold"' --cfg 'feature="full"' --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=3117f93ab746df78 -C extra-filename=-f5ded8a35af92d0f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0a3b3fe24b469f09.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e098ac900c08002b.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" "784ab77466db763990635d177abc5fbf2c4e7c3b323cd2b14cb614513ac75cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784ab77466db763990635d177abc5fbf2c4e7c3b323cd2b14cb614513ac75cb6", kill_on_drop: false }`
[INFO] [stdout] 784ab77466db763990635d177abc5fbf2c4e7c3b323cd2b14cb614513ac75cb6