[INFO] cloning repository https://github.com/drahnr/cachepot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drahnr/cachepot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrahnr%2Fcachepot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrahnr%2Fcachepot'...
[INFO] [stderr] remote: warning: ignoring extra bitmap file: /data/repositories/d/nw/de/7d/a5/378430074/network.git/objects/pack/pack-06fcaa1658b2fb8dc855a88ea3ff9865042e0307.pack        
[INFO] [stderr] remote: warning: ignoring extra bitmap file: /data/repositories/d/nw/de/7d/a5/378430074/network.git/objects/pack/pack-21d489d4323a66b7db376bc315d5e3bcd70b4c9d.pack        
[INFO] [stderr] remote: warning: ignoring extra bitmap file: /data/repositories/d/nw/de/7d/a5/378430074/network.git/objects/pack/pack-098c545301c1081c1272b154415ae7c01db83f90.pack        
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b46b99bc726e08b3d3be98665b9e2e9c136494ef
[INFO] checking drahnr/cachepot against master#32c26302620b2dbbe0a2291f1969bc0b1622ae59 for pr-95755
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrahnr%2Fcachepot" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drahnr/cachepot on toolchain 32c26302620b2dbbe0a2291f1969bc0b1622ae59
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drahnr/cachepot
[INFO] finished tweaking git repo https://github.com/drahnr/cachepot
[INFO] tweaked toml for git repo https://github.com/drahnr/cachepot written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/drahnr/cachepot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "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 zstd-safe v3.0.0+zstd.1.4.8
[INFO] [stderr]   Downloaded retry v1.2.0
[INFO] [stderr]   Downloaded picky-asn1-der v0.2.4
[INFO] [stderr]   Downloaded picky-asn1 v0.3.1
[INFO] [stderr]   Downloaded unix_socket v0.5.0
[INFO] [stderr]   Downloaded memcached-rs v0.4.2
[INFO] [stderr]   Downloaded ar v0.8.0
[INFO] [stderr]   Downloaded counted-array v0.1.2
[INFO] [stderr]   Downloaded conhash v0.4.0
[INFO] [stderr]   Downloaded simple_asn1 v0.5.2
[INFO] [stderr]   Downloaded oid v0.1.1
[INFO] [stderr]   Downloaded predicates-tree v1.0.1
[INFO] [stderr]   Downloaded predicates-core v1.0.1
[INFO] [stderr]   Downloaded selenium-rs v0.1.2
[INFO] [stderr]   Downloaded zstd v0.6.0+zstd.1.4.8
[INFO] [stderr]   Downloaded tokio-serde v0.6.1
[INFO] [stderr]   Downloaded predicates v1.0.6
[INFO] [stderr]   Downloaded libmount v0.1.15
[INFO] [stderr]   Downloaded zstd-sys v1.4.19+zstd.1.4.8
[INFO] [stderr]   Downloaded picky-asn1-x509 v0.5.0
[INFO] [stderr]   Downloaded picky v6.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f9147cb223c3760a710ecc60ccd893f9e38933f85e532a38742c9099cfc8be1
[INFO] running `Command { std: "docker" "start" "-a" "2f9147cb223c3760a710ecc60ccd893f9e38933f85e532a38742c9099cfc8be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f9147cb223c3760a710ecc60ccd893f9e38933f85e532a38742c9099cfc8be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9147cb223c3760a710ecc60ccd893f9e38933f85e532a38742c9099cfc8be1", kill_on_drop: false }`
[INFO] [stdout] 2f9147cb223c3760a710ecc60ccd893f9e38933f85e532a38742c9099cfc8be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc6e05a0aff146cae314c71afcae972bc9cf571ca3f3dec5f09dce2a5ac91c38
[INFO] running `Command { std: "docker" "start" "-a" "bc6e05a0aff146cae314c71afcae972bc9cf571ca3f3dec5f09dce2a5ac91c38", 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]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking pin-project-lite v0.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling zstd-safe v3.0.0+zstd.1.4.8
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking predicates-core v1.0.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking fs-err v2.6.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking ar v0.8.0
[INFO] [stderr]     Checking counted-array v0.1.2
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-bigint-dig v0.7.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking predicates-tree v1.0.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[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-0.6.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --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=a0cf83a0ad9ea5b8 -C extra-filename=-a0cf83a0ad9ea5b8 --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] running `Command { std: "docker" "inspect" "bc6e05a0aff146cae314c71afcae972bc9cf571ca3f3dec5f09dce2a5ac91c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6e05a0aff146cae314c71afcae972bc9cf571ca3f3dec5f09dce2a5ac91c38", kill_on_drop: false }`
[INFO] [stdout] bc6e05a0aff146cae314c71afcae972bc9cf571ca3f3dec5f09dce2a5ac91c38