[INFO] cloning repository https://github.com/basisproject/basis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/basisproject/basis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasisproject%2Fbasis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasisproject%2Fbasis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f1943b84ed7ad768513b771d0ac2c7e10898d1e
[INFO] testing basisproject/basis against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasisproject%2Fbasis" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/basisproject/basis on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/basisproject/basis
[INFO] finished tweaking git repo https://github.com/basisproject/basis
[INFO] tweaked toml for git repo https://github.com/basisproject/basis written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/basisproject/basis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.3
[INFO] [stderr]   Downloaded exonum-build v0.12.0
[INFO] [stderr]   Downloaded exonum-crypto v0.12.0
[INFO] [stderr]   Downloaded exonum-testkit v0.12.0
[INFO] [stderr]   Downloaded protoc v2.8.1
[INFO] [stderr]   Downloaded os_info v1.1.3
[INFO] [stderr]   Downloaded pwbox v0.2.1
[INFO] [stderr]   Downloaded exonum-merkledb v0.12.0
[INFO] [stderr]   Downloaded exonum v0.12.1
[INFO] [stderr]   Downloaded exonum_libsodium-sys v0.0.22
[INFO] [stderr]   Downloaded protobuf-codegen v2.8.1
[INFO] [stderr]   Downloaded bit-vec v0.6.1
[INFO] [stderr]   Downloaded rocksdb v0.12.4
[INFO] [stderr]   Downloaded librocksdb-sys v6.2.4
[INFO] [stderr]   Downloaded exonum-configuration v0.12.0
[INFO] [stderr]   Downloaded snow v0.6.1
[INFO] [stderr]   Downloaded exonum-build v0.11.0
[INFO] [stderr]   Downloaded rust_decimal v1.0.3
[INFO] [stderr]   Downloaded exonum-derive v0.12.0
[INFO] [stderr]   Downloaded bincode v1.2.0
[INFO] [stderr]   Downloaded protoc-rust v2.8.1
[INFO] [stderr]   Downloaded hex-buffer-serde v0.2.0
[INFO] [stderr]   Downloaded validator v0.10.0
[INFO] [stderr]   Downloaded exonum_sodiumoxide v0.0.22
[INFO] [stderr]   Downloaded rpassword v4.0.1
[INFO] [stderr]   Downloaded bindgen v0.49.2
[INFO] [stderr]   Downloaded validator_derive v0.10.0
[INFO] [stderr]   Downloaded tokio-retry v0.2.0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f25557b7e28f03223920308ac5ff28701a3cdffdda7d64f9d2a28b11bfb801df
[INFO] running `Command { std: "docker" "start" "-a" "f25557b7e28f03223920308ac5ff28701a3cdffdda7d64f9d2a28b11bfb801df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f25557b7e28f03223920308ac5ff28701a3cdffdda7d64f9d2a28b11bfb801df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f25557b7e28f03223920308ac5ff28701a3cdffdda7d64f9d2a28b11bfb801df", kill_on_drop: false }`
[INFO] [stdout] f25557b7e28f03223920308ac5ff28701a3cdffdda7d64f9d2a28b11bfb801df
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60a2c702e0ebb332b1f04eec3ee16dd165f5772f7517b73be8fe2747153178e2
[INFO] running `Command { std: "docker" "start" "-a" "60a2c702e0ebb332b1f04eec3ee16dd165f5772f7517b73be8fe2747153178e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling smallvec v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling os_info v1.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]    Compiling tower-service v0.1.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling lock_api v0.3.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.11
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling tokio-executor v0.1.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling tokio-timer v0.2.12
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling snow v0.6.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rpassword v4.0.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling signal-hook v0.1.12
[INFO] [stderr]    Compiling url v2.1.0
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.12/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --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=d15a0544f24c41e1 -C extra-filename=-d15a0544f24c41e1 --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" "60a2c702e0ebb332b1f04eec3ee16dd165f5772f7517b73be8fe2747153178e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a2c702e0ebb332b1f04eec3ee16dd165f5772f7517b73be8fe2747153178e2", kill_on_drop: false }`
[INFO] [stdout] 60a2c702e0ebb332b1f04eec3ee16dd165f5772f7517b73be8fe2747153178e2