[INFO] cloning repository https://github.com/martinfar/simple-rust-bitcoin-explorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martinfar/simple-rust-bitcoin-explorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinfar%2Fsimple-rust-bitcoin-explorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinfar%2Fsimple-rust-bitcoin-explorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7028a58d70b239a9df554063ca46244a4c415a4
[INFO] testing martinfar/simple-rust-bitcoin-explorer against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinfar%2Fsimple-rust-bitcoin-explorer" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/martinfar/simple-rust-bitcoin-explorer
[INFO] finished tweaking git repo https://github.com/martinfar/simple-rust-bitcoin-explorer
[INFO] tweaked toml for git repo https://github.com/martinfar/simple-rust-bitcoin-explorer written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/martinfar/simple-rust-bitcoin-explorer on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/martinfar/simple-rust-bitcoin-explorer 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" "+1.99.0-beta.1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bech32 v0.9.1
[INFO] [stderr]   Downloaded actix-server v2.4.0
[INFO] [stderr]   Downloaded zstd-safe v7.2.0
[INFO] [stderr]   Downloaded actix-web v4.8.0
[INFO] [stderr]   Downloaded actix-http v3.8.0
[INFO] [stderr]   Downloaded bitcoin v0.30.2
[INFO] [stderr]   Downloaded zstd-sys v2.0.12+zstd.1.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 83b04e1d8bd12db81f3e03ff122f3c21ab3d8ac7a71b4253e05996b59034ff74
[INFO] running `Command { std: "docker" "start" "83b04e1d8bd12db81f3e03ff122f3c21ab3d8ac7a71b4253e05996b59034ff74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83b04e1d8bd12db81f3e03ff122f3c21ab3d8ac7a71b4253e05996b59034ff74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "83b04e1d8bd12db81f3e03ff122f3c21ab3d8ac7a71b4253e05996b59034ff74" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83b04e1d8bd12db81f3e03ff122f3c21ab3d8ac7a71b4253e05996b59034ff74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "83b04e1d8bd12db81f3e03ff122f3c21ab3d8ac7a71b4253e05996b59034ff74" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling local-waker v0.1.4
[INFO] [stderr]    Compiling bitcoin-private v0.1.0
[INFO] [stderr]    Compiling zstd-safe v7.2.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling cc v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling brotli-decompressor v4.0.1
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling bytestring v1.3.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling actix-service v2.0.2
[INFO] [stderr]    Compiling actix-utils v3.0.1
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling regex-lite v0.1.6
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling zstd-sys v2.0.12+zstd.1.5.6
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]    Compiling actix-router v0.5.3
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling brotli v6.0.0
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling bitcoin_hashes v0.12.0
[INFO] [stderr]    Compiling local-channel v0.1.5
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling bitcoin v0.30.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling language-tags v0.3.2
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling bech32 v0.9.1
[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/1.99.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.70/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 debug-assertions=off --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=d2e568f1a7e3dd93 -C extra-filename=-e0948bcc346e7fb2 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-94ebd9ad1918a04e.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-eba33f7333cb83f9.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-672a6a0cb072f7d2.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "83b04e1d8bd12db81f3e03ff122f3c21ab3d8ac7a71b4253e05996b59034ff74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b04e1d8bd12db81f3e03ff122f3c21ab3d8ac7a71b4253e05996b59034ff74", kill_on_drop: false }`
[INFO] [stdout] 83b04e1d8bd12db81f3e03ff122f3c21ab3d8ac7a71b4253e05996b59034ff74