[INFO] cloning repository https://github.com/marc2332/rust_blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marc2332/rust_blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc2332%2Frust_blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc2332%2Frust_blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1a8fdaac21268e3255364668cc2921365f7479b
[INFO] checking marc2332/rust_blockchain against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc2332%2Frust_blockchain" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marc2332/rust_blockchain on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marc2332/rust_blockchain
[INFO] finished tweaking git repo https://github.com/marc2332/rust_blockchain
[INFO] tweaked toml for git repo https://github.com/marc2332/rust_blockchain written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/marc2332/rust_blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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 jsonrpc-pubsub v18.0.0
[INFO] [stderr]   Downloaded http-client v6.5.1
[INFO] [stderr]   Downloaded jsonrpc-core-client v18.0.0
[INFO] [stderr]   Downloaded jsonrpc-client-transports v18.0.0
[INFO] [stderr]   Downloaded jsonrpc-derive v18.0.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v18.0.0
[INFO] [stderr]   Downloaded jsonrpc-core v18.0.0
[INFO] [stderr]   Downloaded jsonrpc_client_macro v0.3.0
[INFO] [stderr]   Downloaded sluice v0.5.5
[INFO] [stderr]   Downloaded actix v0.12.0
[INFO] [stderr]   Downloaded jsonrpc_client v0.7.0
[INFO] [stderr]   Downloaded jsonrpc-http-server v18.0.0
[INFO] [stderr]   Downloaded http-types v2.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8459acb14339f1cd78c9c57a5df2e7237cafb4e89c148c67da73d322aa226905
[INFO] running `Command { std: "docker" "start" "-a" "8459acb14339f1cd78c9c57a5df2e7237cafb4e89c148c67da73d322aa226905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8459acb14339f1cd78c9c57a5df2e7237cafb4e89c148c67da73d322aa226905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8459acb14339f1cd78c9c57a5df2e7237cafb4e89c148c67da73d322aa226905", kill_on_drop: false }`
[INFO] [stdout] 8459acb14339f1cd78c9c57a5df2e7237cafb4e89c148c67da73d322aa226905
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f47d884dce789a4fd6a926065de3cb5de1ff882a05bded3ce80e62f2e86b6568
[INFO] running `Command { std: "docker" "start" "-a" "f47d884dce789a4fd6a926065de3cb5de1ff882a05bded3ce80e62f2e86b6568", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling isahc v0.9.14
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --out-dir /opt/rustwide/target/debug/deps -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" "f47d884dce789a4fd6a926065de3cb5de1ff882a05bded3ce80e62f2e86b6568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47d884dce789a4fd6a926065de3cb5de1ff882a05bded3ce80e62f2e86b6568", kill_on_drop: false }`
[INFO] [stdout] f47d884dce789a4fd6a926065de3cb5de1ff882a05bded3ce80e62f2e86b6568