[INFO] fetching crate p2panda-rs 0.4.0...
[INFO] testing p2panda-rs-0.4.0 against master#0e21a27075a8c508f00d1a4430497f17ce93d5c9 for pr-98839
[INFO] extracting crate p2panda-rs 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate p2panda-rs 0.4.0 on toolchain 0e21a27075a8c508f00d1a4430497f17ce93d5c9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate p2panda-rs 0.4.0
[INFO] finished tweaking crates.io crate p2panda-rs 0.4.0
[INFO] tweaked toml for crates.io crate p2panda-rs 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yasmf-hash v0.1.1
[INFO] [stderr]   Downloaded rstest_macros v0.14.0
[INFO] [stderr]   Downloaded varu64 v0.6.2
[INFO] [stderr]   Downloaded openmls_rust_crypto v0.1.0
[INFO] [stderr]   Downloaded tls_codec_derive v0.2.0
[INFO] [stderr]   Downloaded p256 v0.10.1
[INFO] [stderr]   Downloaded subtle-ng v2.5.0
[INFO] [stderr]   Downloaded p384 v0.9.0
[INFO] [stderr]   Downloaded hpke-rs-rust-crypto v0.1.1
[INFO] [stderr]   Downloaded x25519-dalek-ng v1.1.1
[INFO] [stderr]   Downloaded hpke-rs-crypto v0.1.1
[INFO] [stderr]   Downloaded lipmaa-link v0.2.2
[INFO] [stderr]   Downloaded curve25519-dalek-ng v4.1.1
[INFO] [stderr]   Downloaded bamboo-rs-core-ed25519-yasmf v0.1.1
[INFO] [stderr]   Downloaded cddl-cat v0.6.1
[INFO] [stderr]   Downloaded tls_codec v0.2.0
[INFO] [stderr]   Downloaded openmls_memory_keystore v0.1.0
[INFO] [stderr]   Downloaded rstest v0.15.0
[INFO] [stderr]   Downloaded serde-wasm-bindgen v0.4.3
[INFO] [stderr]   Downloaded openmls_traits v0.1.0
[INFO] [stderr]   Downloaded varu64 v0.7.0
[INFO] [stderr]   Downloaded escape8259 v0.5.1
[INFO] [stderr]   Downloaded openmls v0.4.1
[INFO] [stderr]   Downloaded hpke-rs v0.1.0
[INFO] [stderr]   Downloaded lipmaa-link v0.1.1
[INFO] [stderr]   Downloaded incremental-topo v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b560c4c1d4d8f53515f9bf7164f1b7541ae776a8f234b67056ee363160b04692
[INFO] running `Command { std: "docker" "start" "-a" "b560c4c1d4d8f53515f9bf7164f1b7541ae776a8f234b67056ee363160b04692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b560c4c1d4d8f53515f9bf7164f1b7541ae776a8f234b67056ee363160b04692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b560c4c1d4d8f53515f9bf7164f1b7541ae776a8f234b67056ee363160b04692", kill_on_drop: false }`
[INFO] [stdout] b560c4c1d4d8f53515f9bf7164f1b7541ae776a8f234b67056ee363160b04692
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 104f6f3cd3b12b51ebbb5ed99307b1ca3d10a6315859e349a99dffa39f8dd847
[INFO] running `Command { std: "docker" "start" "-a" "104f6f3cd3b12b51ebbb5ed99307b1ca3d10a6315859e349a99dffa39f8dd847", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling semver v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling const-oid v0.7.1
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling base64ct v1.5.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.81
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling base16ct v0.1.1
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.10.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling async-task v4.2.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling keccak v0.1.2
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling subtle-ng v2.5.0
[INFO] [stderr]    Compiling rustversion v1.0.7
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling erased-serde v0.3.21
[INFO] [stderr]    Compiling wasm-bindgen v0.2.81
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]    Compiling ciborium-io v0.2.0
[INFO] [stderr]    Compiling varu64 v0.6.2
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling lipmaa-link v0.1.1
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling lipmaa-link v0.2.2
[INFO] [stderr]    Compiling der v0.5.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling async-lock v2.5.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling ciborium-ll v0.2.0
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling spki v0.5.4
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling object v0.28.4
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling rstest_macros v0.13.0
[INFO] [stderr]    Compiling rstest_reuse v0.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling uuid v1.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling blocking v1.2.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling ff v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling group v0.11.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-common v0.1.4
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling aead v0.4.3
[INFO] [stderr]    Compiling signature v1.4.0
[INFO] [stderr]    Compiling escape8259 v0.5.1
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling polyval v0.5.3
[INFO] [stderr]    Compiling poly1305 v0.7.2
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling aes v0.7.5
[INFO] [stderr]    Compiling ctr v0.8.0
[INFO] [stderr]    Compiling ghash v0.4.4
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling aes-gcm v0.9.4
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling tls_codec_derive v0.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling ghost v0.1.5
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling typetag-impl v0.1.8
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling serde_repr v0.1.8
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.81
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling inventory v0.2.3
[INFO] [stderr]    Compiling async-io v1.7.0
[INFO] [stderr]    Compiling zeroize v1.4.3
[INFO] [stderr]    Compiling pkcs8 v0.8.0
[INFO] [stderr]    Compiling crypto-bigint v0.3.2
[INFO] [stderr]    Compiling merlin v2.0.1
[INFO] [stderr]    Compiling curve25519-dalek-ng v4.1.1
[INFO] [stderr]    Compiling chacha20 v0.8.1
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling sec1 v0.2.1
[INFO] [stderr]    Compiling chacha20poly1305 v0.9.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]    Compiling async-global-executor v2.2.0
[INFO] [stderr]    Compiling x25519-dalek-ng v1.1.1
[INFO] [stderr]    Compiling elliptic-curve v0.11.12
[INFO] [stderr]    Compiling rfc6979 v0.1.0
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling ecdsa v0.13.4
[INFO] [stderr]    Compiling p384 v0.9.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.81
[INFO] [stderr]    Compiling p256 v0.10.1
[INFO] [stderr] error: could not compile `async-std`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name async_std --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.12.0/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 -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="async-attributes"' --cfg 'feature="async-channel"' --cfg 'feature="async-global-executor"' --cfg 'feature="async-io"' --cfg 'feature="async-lock"' --cfg 'feature="attributes"' --cfg 'feature="crossbeam-utils"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-core"' --cfg 'feature="futures-io"' --cfg 'feature="futures-lite"' --cfg 'feature="gloo-timers"' --cfg 'feature="kv-log-macro"' --cfg 'feature="log"' --cfg 'feature="memchr"' --cfg 'feature="once_cell"' --cfg 'feature="pin-project-lite"' --cfg 'feature="pin-utils"' --cfg 'feature="slab"' --cfg 'feature="std"' --cfg 'feature="wasm-bindgen-futures"' -C metadata=aafe877e7118bf8d -C extra-filename=-aafe877e7118bf8d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_attributes=/opt/rustwide/target/debug/deps/libasync_attributes-7ed1ffb790b4aa1c.so --extern async_channel=/opt/rustwide/target/debug/deps/libasync_channel-655a191c063730e8.rmeta --extern async_global_executor=/opt/rustwide/target/debug/deps/libasync_global_executor-1a1b86c19c6b5271.rmeta --extern async_io=/opt/rustwide/target/debug/deps/libasync_io-083a71a77ef4f593.rmeta --extern async_lock=/opt/rustwide/target/debug/deps/libasync_lock-ade57426eeeef8a6.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-0259cc4b70b86053.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-49530b2602be9735.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-f2495b3b3db32d28.rmeta --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-0a77c3797c96d33c.rmeta --extern kv_log_macro=/opt/rustwide/target/debug/deps/libkv_log_macro-68003eda1fa6d25d.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-64532a9222f20bd2.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-4fce41623cec2314.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-3548c506bfdf571b.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-f2671a56a138cdc1.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-b7ff504f33cec58a.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-bda603b4c4e76b4a.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" "104f6f3cd3b12b51ebbb5ed99307b1ca3d10a6315859e349a99dffa39f8dd847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104f6f3cd3b12b51ebbb5ed99307b1ca3d10a6315859e349a99dffa39f8dd847", kill_on_drop: false }`
[INFO] [stdout] 104f6f3cd3b12b51ebbb5ed99307b1ca3d10a6315859e349a99dffa39f8dd847