[INFO] fetching crate mwc_api 5.3.9...
[INFO] building mwc_api-5.3.9 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate mwc_api 5.3.9 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mwc_api 5.3.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mwc_api 5.3.9
[INFO] tweaked toml for crates.io crate mwc_api 5.3.9 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mwc_api 5.3.9 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 mwc_api 5.3.9 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a6ce58458dece564995a05bd4681297c4c7b466b85097899d0756e2d258cf19c
[INFO] running `Command { std: "docker" "start" "-a" "a6ce58458dece564995a05bd4681297c4c7b466b85097899d0756e2d258cf19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6ce58458dece564995a05bd4681297c4c7b466b85097899d0756e2d258cf19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ce58458dece564995a05bd4681297c4c7b466b85097899d0756e2d258cf19c", kill_on_drop: false }`
[INFO] [stdout] a6ce58458dece564995a05bd4681297c4c7b466b85097899d0756e2d258cf19c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ec2ab3a721de3aced733cc7a98d0b11d0beb81ebb1a68f27e2c43ba4a5f7d125
[INFO] running `Command { std: "docker" "start" "-a" "ec2ab3a721de3aced733cc7a98d0b11d0beb81ebb1a68f27e2c43ba4a5f7d125", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling destructure_traitobject v0.2.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling unsafe-any-ors v1.0.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling typemap-ors v1.0.0
[INFO] [stderr]    Compiling mwc_secp256k1zkp v0.7.16
[INFO] [stderr]    Compiling croaring-sys v2.1.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling flate2 v1.1.2
[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=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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --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=bbccc77e5dd963d3 -C extra-filename=-65e33b5cfc802510 --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" "ec2ab3a721de3aced733cc7a98d0b11d0beb81ebb1a68f27e2c43ba4a5f7d125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2ab3a721de3aced733cc7a98d0b11d0beb81ebb1a68f27e2c43ba4a5f7d125", kill_on_drop: false }`
[INFO] [stdout] ec2ab3a721de3aced733cc7a98d0b11d0beb81ebb1a68f27e2c43ba4a5f7d125