[INFO] fetching crate web30 0.18.9...
[INFO] checking web30-0.18.9 against try#9b06ec641f3d05c126a54ceadba42a64366f72b4 for pr-95755
[INFO] extracting crate web30 0.18.9 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate web30 0.18.9 on toolchain 9b06ec641f3d05c126a54ceadba42a64366f72b4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate web30 0.18.9
[INFO] finished tweaking crates.io crate web30 0.18.9
[INFO] tweaked toml for crates.io crate web30 0.18.9 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2a7958296db1f54a4c2bb6d10bb3162c6755453f29ccac0ed4f6ed055732035
[INFO] running `Command { std: "docker" "start" "-a" "f2a7958296db1f54a4c2bb6d10bb3162c6755453f29ccac0ed4f6ed055732035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2a7958296db1f54a4c2bb6d10bb3162c6755453f29ccac0ed4f6ed055732035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a7958296db1f54a4c2bb6d10bb3162c6755453f29ccac0ed4f6ed055732035", kill_on_drop: false }`
[INFO] [stdout] f2a7958296db1f54a4c2bb6d10bb3162c6755453f29ccac0ed4f6ed055732035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b165c9bc35f9897c2a8dec2e3d72eef0f0bf6abded72bdb18437bfdda7137a0c
[INFO] running `Command { std: "docker" "start" "-a" "b165c9bc35f9897c2a8dec2e3d72eef0f0bf6abded72bdb18437bfdda7137a0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking local-waker v0.1.2
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling zstd-safe v4.1.4+zstd.1.5.2
[INFO] [stderr]    Compiling tokio-openssl v0.6.3
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking actix-utils v3.0.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking actix-service v2.0.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking sha3 v0.10.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking serde-rlp v0.1.4
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking secp256k1 v0.21.3
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling actix_derive v0.6.0
[INFO] [stderr] error: could not compile `tracing-attributes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_attributes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-attributes-0.1.20/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=2c6e1f0267139bde -C extra-filename=-2c6e1f0267139bde --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-16f4d56d78074154.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-faec848a47c42982.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-350495e0d40a9cdc.rlib --extern proc_macro --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" "b165c9bc35f9897c2a8dec2e3d72eef0f0bf6abded72bdb18437bfdda7137a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b165c9bc35f9897c2a8dec2e3d72eef0f0bf6abded72bdb18437bfdda7137a0c", kill_on_drop: false }`
[INFO] [stdout] b165c9bc35f9897c2a8dec2e3d72eef0f0bf6abded72bdb18437bfdda7137a0c