[INFO] fetching crate web30 0.10.8...
[INFO] checking web30-0.10.8 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate web30 0.10.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate web30 0.10.8 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate web30 0.10.8
[INFO] finished tweaking crates.io crate web30 0.10.8
[INFO] tweaked toml for crates.io crate web30 0.10.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded secp256k1 v0.20.1
[INFO] [stderr]   Downloaded secp256k1-sys v0.4.0
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded clarity v0.4.5
[INFO] [stderr]   Downloaded num256 v0.3.1
[INFO] [stderr]   Downloaded serde-rlp v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c723c487722bc7e78519e4eeea8e7350e506b6a50f31810f7a84db29fdf826b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c723c487722bc7e78519e4eeea8e7350e506b6a50f31810f7a84db29fdf826b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c723c487722bc7e78519e4eeea8e7350e506b6a50f31810f7a84db29fdf826b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c723c487722bc7e78519e4eeea8e7350e506b6a50f31810f7a84db29fdf826b4", kill_on_drop: false }`
[INFO] [stdout] c723c487722bc7e78519e4eeea8e7350e506b6a50f31810f7a84db29fdf826b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb6dc3e4a62efbaea9ad1fa84345487ed39de6700243a1332414d5bda1207c77
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bb6dc3e4a62efbaea9ad1fa84345487ed39de6700243a1332414d5bda1207c77", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking secp256k1 v0.20.1
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling extend v0.1.2
[INFO] [stderr] error: could not compile `async-trait`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name async_trait --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-trait-0.1.50/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=dd4c1f6f0d0eeba6 -C extra-filename=-dd4c1f6f0d0eeba6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-32a461668e4c2f4b.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-5f2a98a903f1d830.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-5c9cf2d1148c6600.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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bb6dc3e4a62efbaea9ad1fa84345487ed39de6700243a1332414d5bda1207c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6dc3e4a62efbaea9ad1fa84345487ed39de6700243a1332414d5bda1207c77", kill_on_drop: false }`
[INFO] [stdout] bb6dc3e4a62efbaea9ad1fa84345487ed39de6700243a1332414d5bda1207c77