[INFO] cloning repository https://github.com/preston-evans98/zebra-btc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/preston-evans98/zebra-btc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpreston-evans98%2Fzebra-btc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpreston-evans98%2Fzebra-btc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b67007d9e24d05bfd33d967115972d29d8faa3f
[INFO] checking preston-evans98/zebra-btc against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpreston-evans98%2Fzebra-btc" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/preston-evans98/zebra-btc on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/preston-evans98/zebra-btc
[INFO] finished tweaking git repo https://github.com/preston-evans98/zebra-btc
[INFO] tweaked toml for git repo https://github.com/preston-evans98/zebra-btc written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/preston-evans98/zebra-btc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/ZcashFoundation/metrics`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower`
[INFO] [stderr]     Updating git repository `https://github.com/kellpossible/sentry-tracing.git`
[INFO] [stderr]     Updating git repository `https://github.com/hyperium/h2`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ff v0.9.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.4.0
[INFO] [stderr]   Downloaded pairing v0.18.0
[INFO] [stderr]   Downloaded atomic-shim v0.1.0
[INFO] [stderr]   Downloaded ahash v0.6.1
[INFO] [stderr]   Downloaded arc-swap v1.0.0
[INFO] [stderr]   Downloaded sentry-contexts v0.21.0
[INFO] [stderr]   Downloaded sentry v0.21.0
[INFO] [stderr]   Downloaded bls12_381 v0.4.0
[INFO] [stderr]   Downloaded equihash v0.1.0
[INFO] [stderr]   Downloaded bellman v0.8.1
[INFO] [stderr]   Downloaded hdrhistogram v7.1.0
[INFO] [stderr]   Downloaded sentry-types v0.21.0
[INFO] [stderr]   Downloaded bls12_381 v0.3.1
[INFO] [stderr]   Downloaded sentry-core v0.21.0
[INFO] [stderr]   Downloaded sentry-backtrace v0.21.0
[INFO] [stderr]   Downloaded ed25519-zebra v1.0.1
[INFO] [stderr]   Downloaded jubjub v0.6.0
[INFO] [stderr]   Downloaded jubjub v0.3.0
[INFO] [stderr]   Downloaded tokio-util v0.5.1
[INFO] [stderr]   Downloaded rlimit v0.5.3
[INFO] [stderr]   Downloaded bls12_381 v0.1.1
[INFO] [stderr]   Downloaded redjubjub v0.2.2
[INFO] [stderr]   Downloaded group v0.9.0
[INFO] [stderr]   Downloaded secp256k1 v0.20.1
[INFO] [stderr]   Downloaded serde-big-array v0.3.1
[INFO] [stderr]   Downloaded tracing-flame v0.1.0
[INFO] [stderr]   Downloaded spandoc-attribute v0.1.1
[INFO] [stderr]   Downloaded spandoc v0.2.1
[INFO] [stderr]   Downloaded hdrhistogram v6.3.4
[INFO] [stderr]   Downloaded zcash_script v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40b6757045b4c088b13c5a894f6d596b310f6f6385bc5fc8abad9bae8722ba4c
[INFO] running `Command { std: "docker" "start" "-a" "40b6757045b4c088b13c5a894f6d596b310f6f6385bc5fc8abad9bae8722ba4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40b6757045b4c088b13c5a894f6d596b310f6f6385bc5fc8abad9bae8722ba4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b6757045b4c088b13c5a894f6d596b310f6f6385bc5fc8abad9bae8722ba4c", kill_on_drop: false }`
[INFO] [stdout] 40b6757045b4c088b13c5a894f6d596b310f6f6385bc5fc8abad9bae8722ba4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68c8de2663b146c75d3badc28275f35d8dc12df747a5e3356b9907e310888629
[INFO] running `Command { std: "docker" "start" "-a" "68c8de2663b146c75d3badc28275f35d8dc12df747a5e3356b9907e310888629", 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]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling metrics v0.13.0-alpha.8 (https://github.com/ZcashFoundation/metrics?rev=971133128e5aebe3ad177acffc6154449736cfa2#97113312)
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking tower-layer v0.3.0 (https://github.com/tower-rs/tower?rev=d4d1c67c6a0e4213a52abcc2b9df6cc58276ee39#d4d1c67c)
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking beef v0.4.4
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.24/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=f8e1e1e947bfe2ba -C extra-filename=-f8e1e1e947bfe2ba --out-dir /opt/rustwide/target/debug/build/proc-macro2-f8e1e1e947bfe2ba -L dependency=/opt/rustwide/target/debug/deps --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" "68c8de2663b146c75d3badc28275f35d8dc12df747a5e3356b9907e310888629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c8de2663b146c75d3badc28275f35d8dc12df747a5e3356b9907e310888629", kill_on_drop: false }`
[INFO] [stdout] 68c8de2663b146c75d3badc28275f35d8dc12df747a5e3356b9907e310888629