[INFO] fetching crate confidential_identity_v2 2.1.2...
[INFO] checking confidential_identity_v2-2.1.2 against try#66abdf72fc886ae058026c1529ae9c93ebd8838a for pr-116891
[INFO] extracting crate confidential_identity_v2 2.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate confidential_identity_v2 2.1.2 on toolchain 66abdf72fc886ae058026c1529ae9c93ebd8838a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66abdf72fc886ae058026c1529ae9c93ebd8838a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate confidential_identity_v2 2.1.2
[INFO] finished tweaking crates.io crate confidential_identity_v2 2.1.2
[INFO] tweaked toml for crates.io crate confidential_identity_v2 2.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66abdf72fc886ae058026c1529ae9c93ebd8838a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66abdf72fc886ae058026c1529ae9c93ebd8838a" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+66abdf72fc886ae058026c1529ae9c93ebd8838a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41c6b60c5f46fd2e8a13ad2420536153d85bab172ca0926439d6fd8a2b8f04a5
[INFO] running `Command { std: "docker" "start" "-a" "41c6b60c5f46fd2e8a13ad2420536153d85bab172ca0926439d6fd8a2b8f04a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41c6b60c5f46fd2e8a13ad2420536153d85bab172ca0926439d6fd8a2b8f04a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c6b60c5f46fd2e8a13ad2420536153d85bab172ca0926439d6fd8a2b8f04a5", kill_on_drop: false }`
[INFO] [stdout] 41c6b60c5f46fd2e8a13ad2420536153d85bab172ca0926439d6fd8a2b8f04a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+66abdf72fc886ae058026c1529ae9c93ebd8838a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcf51c426b8b0eddbc23947ccfebdba2a3a5b4ee92c6d3656d5811a53592e8a6
[INFO] running `Command { std: "docker" "start" "-a" "bcf51c426b8b0eddbc23947ccfebdba2a3a5b4ee92c6d3656d5811a53592e8a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling winnow v0.5.17
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking sp-std v5.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling ref-cast v1.0.20
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking parity-wasm v0.45.0
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling libsecp256k1 v0.7.1
[INFO] [stderr]     Checking wasmi-validation v0.5.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking wasmi_core v0.2.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]     Checking environmental v1.1.4
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking wasmi v0.13.2
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking dyn-clone v1.0.14
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling parity-util-mem v0.12.0
[INFO] [stderr]     Checking sp-core-hashing v5.0.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking base58 v0.2.0
[INFO] [stderr]     Checking array-bytes v4.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking trie-root v0.17.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking trie-db v0.24.0
[INFO] [stderr]     Checking lru v0.8.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking subtle-ng v2.5.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking clap v2.34.0
[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/66abdf72fc886ae058026c1529ae9c93ebd8838a/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=27cc922053ba7a63 -C extra-filename=-27cc922053ba7a63 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-73ed9049f17b3685.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5de6a6c0f5debac9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-62f822500da935ba.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" "bcf51c426b8b0eddbc23947ccfebdba2a3a5b4ee92c6d3656d5811a53592e8a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf51c426b8b0eddbc23947ccfebdba2a3a5b4ee92c6d3656d5811a53592e8a6", kill_on_drop: false }`
[INFO] [stdout] bcf51c426b8b0eddbc23947ccfebdba2a3a5b4ee92c6d3656d5811a53592e8a6