[INFO] fetching crate exonum-supervisor 1.0.0...
[INFO] checking exonum-supervisor-1.0.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate exonum-supervisor 1.0.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate exonum-supervisor 1.0.0 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 crates.io crate exonum-supervisor 1.0.0
[INFO] finished tweaking crates.io crate exonum-supervisor 1.0.0
[INFO] tweaked toml for crates.io crate exonum-supervisor 1.0.0 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate crates.io crate exonum-supervisor 1.0.0 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] f6a80c129d0756d910574020dc99823110fd4219c01b3a245f48cc323d8c1bc0
[INFO] running `Command { std: "docker" "start" "-a" "f6a80c129d0756d910574020dc99823110fd4219c01b3a245f48cc323d8c1bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6a80c129d0756d910574020dc99823110fd4219c01b3a245f48cc323d8c1bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a80c129d0756d910574020dc99823110fd4219c01b3a245f48cc323d8c1bc0", kill_on_drop: false }`
[INFO] [stdout] f6a80c129d0756d910574020dc99823110fd4219c01b3a245f48cc323d8c1bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] c768e677c8040232bd1285d0303fdbd1caca312eefff1ee8ac95299a6e9696a3
[INFO] running `Command { std: "docker" "start" "-a" "c768e677c8040232bd1285d0303fdbd1caca312eefff1ee8ac95299a6e9696a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling protobuf v2.12.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[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-0.6.17/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="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=c9f5991d2f9ce036 -C extra-filename=-c9f5991d2f9ce036 --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" "c768e677c8040232bd1285d0303fdbd1caca312eefff1ee8ac95299a6e9696a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c768e677c8040232bd1285d0303fdbd1caca312eefff1ee8ac95299a6e9696a3", kill_on_drop: false }`
[INFO] [stdout] c768e677c8040232bd1285d0303fdbd1caca312eefff1ee8ac95299a6e9696a3