[INFO] fetching crate exonum-rust-runtime 1.0.0...
[INFO] checking exonum-rust-runtime-1.0.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate exonum-rust-runtime 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate exonum-rust-runtime 1.0.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exonum-rust-runtime 1.0.0
[INFO] finished tweaking crates.io crate exonum-rust-runtime 1.0.0
[INFO] tweaked toml for crates.io crate exonum-rust-runtime 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_matches v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f183596ff03a308431b322c00b252fb39a1e48277a60bfa0d90fcfe99c095317
[INFO] running `Command { std: "docker" "start" "-a" "f183596ff03a308431b322c00b252fb39a1e48277a60bfa0d90fcfe99c095317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f183596ff03a308431b322c00b252fb39a1e48277a60bfa0d90fcfe99c095317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f183596ff03a308431b322c00b252fb39a1e48277a60bfa0d90fcfe99c095317", kill_on_drop: false }`
[INFO] [stdout] f183596ff03a308431b322c00b252fb39a1e48277a60bfa0d90fcfe99c095317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52831e62ecc8116d2f3d701cbe5fc4779e7eebe36be007fe690a29386070dd67
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "52831e62ecc8116d2f3d701cbe5fc4779e7eebe36be007fe690a29386070dd67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling protobuf v2.22.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[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 hex v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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-0.6.22/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="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=9e9531b190d3ae50 -C extra-filename=-9e9531b190d3ae50 --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" "52831e62ecc8116d2f3d701cbe5fc4779e7eebe36be007fe690a29386070dd67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52831e62ecc8116d2f3d701cbe5fc4779e7eebe36be007fe690a29386070dd67", kill_on_drop: false }`
[INFO] [stdout] 52831e62ecc8116d2f3d701cbe5fc4779e7eebe36be007fe690a29386070dd67