[INFO] crate exonum-btc-anchoring 0.13.0-rc.2 is already in cache
[INFO] checking exonum-btc-anchoring-0.13.0-rc.2 against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] extracting crate exonum-btc-anchoring 0.13.0-rc.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate exonum-btc-anchoring 0.13.0-rc.2 on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate exonum-btc-anchoring 0.13.0-rc.2
[INFO] finished tweaking crates.io crate exonum-btc-anchoring 0.13.0-rc.2
[INFO] tweaked toml for crates.io crate exonum-btc-anchoring 0.13.0-rc.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate exonum-btc-anchoring 0.13.0-rc.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e6ef4a505fb65d1dc9fe22088a96f844942b439459045c183372199b5ab0d12
[INFO] running `"docker" "start" "-a" "3e6ef4a505fb65d1dc9fe22088a96f844942b439459045c183372199b5ab0d12"`
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling os_info v1.1.3
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking rpassword v4.0.2
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]     Checking tokio-retry v0.2.0
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr] error: could not compile `http`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.1.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=4aa49fd5c6fe5b13 -C extra-filename=-4aa49fd5c6fe5b13 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-beca997185d0ac8a.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-dee8628d29605486.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-199047c67e583817.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 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=0a9ba998a7d74d17 -C extra-filename=-0a9ba998a7d74d17 --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: could not compile `darling_core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.10.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="strsim"' --cfg 'feature="suggestions"' -C metadata=6ecffbf15044fa7f -C extra-filename=-6ecffbf15044fa7f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-0749664efc73b692.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-e4125b65bb003960.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2df884d5dfdaa84b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-17c7790377ab67a4.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-cb1f5a00e5851a1a.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-3ab508e6380ea987.rmeta --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 `"docker" "inspect" "3e6ef4a505fb65d1dc9fe22088a96f844942b439459045c183372199b5ab0d12"`
[INFO] running `"docker" "rm" "-f" "3e6ef4a505fb65d1dc9fe22088a96f844942b439459045c183372199b5ab0d12"`
[INFO] [stdout] 3e6ef4a505fb65d1dc9fe22088a96f844942b439459045c183372199b5ab0d12