[INFO] cloning repository https://github.com/0xJepsen/matchmaker-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xJepsen/matchmaker-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xJepsen%2Fmatchmaker-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xJepsen%2Fmatchmaker-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f4249ef7f2fbdc21312acdb12ce797546652383
[INFO] testing 0xJepsen/matchmaker-rs against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xJepsen%2Fmatchmaker-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xJepsen/matchmaker-rs
[INFO] finished tweaking git repo https://github.com/0xJepsen/matchmaker-rs
[INFO] tweaked toml for git repo https://github.com/0xJepsen/matchmaker-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xJepsen/matchmaker-rs on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xJepsen/matchmaker-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.24
[INFO] [stderr]   Downloaded ethers v2.0.7
[INFO] [stderr]   Downloaded serde_derive v1.0.164
[INFO] [stderr]   Downloaded enr v0.8.1
[INFO] [stderr]   Downloaded ethers-contract v2.0.7
[INFO] [stderr]   Downloaded phf_generator v0.11.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.86
[INFO] [stderr]   Downloaded phf v0.11.1
[INFO] [stderr]   Downloaded tokio v1.28.2
[INFO] [stderr]   Downloaded ethers-addressbook v2.0.7
[INFO] [stderr]   Downloaded async-trait v0.1.68
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[INFO] [stderr]   Downloaded coins-bip39 v0.8.6
[INFO] [stderr]   Downloaded bitvec v0.17.4
[INFO] [stderr]   Downloaded chrono v0.4.26
[INFO] [stderr]   Downloaded base64 v0.21.2
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[INFO] [stderr]   Downloaded rustls-webpki v0.100.2
[INFO] [stderr]   Downloaded reqwest v0.11.18
[INFO] [stderr]   Downloaded js-sys v0.3.63
[INFO] [stderr]   Downloaded rustix v0.37.19
[INFO] [stderr]   Downloaded toml_edit v0.19.10
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] [stderr]   Downloaded petgraph v0.6.3
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[INFO] [stderr]   Downloaded url v2.4.0
[INFO] [stderr]   Downloaded zstd-sys v2.0.8+zstd.1.5.5
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[INFO] [stderr]   Downloaded tokio-util v0.7.8
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[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
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[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.86
[INFO] [stderr]   Downloaded zeroize v1.6.0
[INFO] [stderr]   Downloaded web-sys v0.3.63
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded ethers-contract-abigen v2.0.7
[INFO] [stderr]   Downloaded ethers-contract-derive v2.0.7
[INFO] [stderr]   Downloaded ethers-etherscan v2.0.7
[INFO] [stderr]   Downloaded coins-core v0.8.3
[INFO] [stderr]   Downloaded pbkdf2 v0.12.1
[INFO] [stderr]   Downloaded camino v1.1.4
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.1.4
[INFO] [stderr]   Downloaded parity-scale-codec v3.5.0
[INFO] [stderr]   Downloaded serde_spanned v0.6.2
[INFO] [stderr]   Downloaded toml_datetime v0.6.2
[INFO] [stderr]   Downloaded md-5 v0.10.5
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[INFO] [stderr]   Downloaded time-core v0.1.1
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded primitive-types v0.12.1
[INFO] [stderr]   Downloaded scale-info-derive v2.6.0
[INFO] [stderr]   Downloaded either v1.8.1
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[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.86
[INFO] [stderr]   Downloaded cpufeatures v0.2.7
[INFO] [stderr]   Downloaded const-oid v0.9.2
[INFO] [stderr]   Downloaded svm-rs v0.2.23
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded toml v0.7.4
[INFO] [stderr]   Downloaded tungstenite v0.19.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.19.0
[INFO] [stderr]   Downloaded pin-project v1.1.0
[INFO] [stderr]   Downloaded futures-executor v0.3.28
[INFO] [stderr]   Downloaded radium v0.3.0
[INFO] [stderr]   Downloaded bech32 v0.7.3
[INFO] [stderr]   Downloaded coins-bip32 v0.8.3
[INFO] [stderr]   Downloaded ethers-signers v2.0.7
[INFO] [stderr]   Downloaded cargo_metadata v0.15.4
[INFO] [stderr]   Downloaded ecdsa v0.16.7
[INFO] [stderr]   Downloaded sec1 v0.7.2
[INFO] [stderr]   Downloaded elliptic-curve v0.13.5
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded h2 v0.3.19
[INFO] [stderr]   Downloaded hyper v0.14.26
[INFO] [stderr]   Downloaded solang-parser v0.3.0
[INFO] [stderr]   Downloaded ethers-solc v2.0.7
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[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded phf_shared v0.11.1
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[INFO] [stderr]   Downloaded tracing-core v0.1.31
[INFO] [stderr]   Downloaded pin-project-internal v1.1.0
[INFO] [stderr]   Downloaded futures-channel v0.3.28
[INFO] [stderr]   Downloaded serde v1.0.164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b5f43f5b276a4a98076ca366c456f8d4a13ff4191cd4339478d1f3af6f5a830
[INFO] running `Command { std: "docker" "start" "-a" "6b5f43f5b276a4a98076ca366c456f8d4a13ff4191cd4339478d1f3af6f5a830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b5f43f5b276a4a98076ca366c456f8d4a13ff4191cd4339478d1f3af6f5a830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5f43f5b276a4a98076ca366c456f8d4a13ff4191cd4339478d1f3af6f5a830", kill_on_drop: false }`
[INFO] [stdout] 6b5f43f5b276a4a98076ca366c456f8d4a13ff4191cd4339478d1f3af6f5a830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6529ab5e5d02057e141459e0bc5a1e0167197b474ea1033873ea3f748580afc0
[INFO] running `Command { std: "docker" "start" "-a" "6529ab5e5d02057e141459e0bc5a1e0167197b474ea1033873ea3f748580afc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling const-oid v0.9.2
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling winnow v0.4.6
[INFO] [stderr]    Compiling cpufeatures v0.2.7
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling der v0.7.6
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling camino v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.86
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling spki v0.7.2
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sec1 v0.7.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling crypto-bigint v0.5.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling signature v2.1.0
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling elliptic-curve v0.13.5
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling rustls v0.21.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling ecdsa v0.16.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling base64 v0.21.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling k256 v0.13.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling prettyplease v0.2.6
[INFO] [stderr]    Compiling wasm-bindgen v0.2.86
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling sha2 v0.9.9
[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/d98a5da813da67eb189387b8ccfb73cf481275d8/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=8ae65cd35061bb94 -C extra-filename=-7a24e5b2390a6f56 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-972818338a3b9632.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-367dadf1302ed37f.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-c6eb2604a56d8bcc.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6529ab5e5d02057e141459e0bc5a1e0167197b474ea1033873ea3f748580afc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6529ab5e5d02057e141459e0bc5a1e0167197b474ea1033873ea3f748580afc0", kill_on_drop: false }`
[INFO] [stdout] 6529ab5e5d02057e141459e0bc5a1e0167197b474ea1033873ea3f748580afc0
