[INFO] fetching crate ethers-middleware 0.5.4...
[INFO] checking ethers-middleware-0.5.4 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate ethers-middleware 0.5.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ethers-middleware 0.5.4 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethers-middleware 0.5.4
[INFO] finished tweaking crates.io crate ethers-middleware 0.5.4
[INFO] tweaked toml for crates.io crate ethers-middleware 0.5.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90e50a71160c12cb73df00090625975de33c801703199076942c9631e3bb1eb9
[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" "90e50a71160c12cb73df00090625975de33c801703199076942c9631e3bb1eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90e50a71160c12cb73df00090625975de33c801703199076942c9631e3bb1eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e50a71160c12cb73df00090625975de33c801703199076942c9631e3bb1eb9", kill_on_drop: false }`
[INFO] [stdout] 90e50a71160c12cb73df00090625975de33c801703199076942c9631e3bb1eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93bc4e2d048d2532fd38c94ff34bf84a403bcc80c07704b1f6502bf0916b7377
[INFO] running `Command { std: "docker" "start" "-a" "93bc4e2d048d2532fd38c94ff34bf84a403bcc80c07704b1f6502bf0916b7377", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.18
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling byte-slice-cast v1.2.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling camino v1.0.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]     Checking base64ct v1.2.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]     Checking der v0.4.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking proc-macro2 v1.0.32
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking futures-channel v0.3.18
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking spki v0.4.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling uint v0.9.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling rlp-derive v0.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]     Checking syn v1.0.82
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking salsa20 v0.8.1
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking ctr v0.7.0
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]     Checking futures-util v0.3.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ff v0.10.1
[INFO] [stderr]     Checking crypto-bigint v0.2.11
[INFO] [stderr]     Checking signature v1.3.2
[INFO] [stderr]     Checking password-hash v0.2.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]     Checking group v0.10.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking base58check v0.1.0
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]     Checking elliptic-curve v0.10.6
[INFO] [stderr]     Checking scrypt v0.7.0
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking ecdsa v0.12.4
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.82/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --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=265c5b66dcf6ed4e -C extra-filename=-265c5b66dcf6ed4e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4d60edbea9579107.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-50bbe6ffef64b937.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3d7133eb5e1c05de.rmeta --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" "93bc4e2d048d2532fd38c94ff34bf84a403bcc80c07704b1f6502bf0916b7377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93bc4e2d048d2532fd38c94ff34bf84a403bcc80c07704b1f6502bf0916b7377", kill_on_drop: false }`
[INFO] [stdout] 93bc4e2d048d2532fd38c94ff34bf84a403bcc80c07704b1f6502bf0916b7377