[INFO] cloning repository https://github.com/thebearingedge/rust-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thebearingedge/rust-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebearingedge%2Frust-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebearingedge%2Frust-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da84948dcc02a6b318cf5811c2d8a10980d2db4e
[INFO] checking thebearingedge/rust-backend against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebearingedge%2Frust-backend" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thebearingedge/rust-backend on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thebearingedge/rust-backend
[INFO] finished tweaking git repo https://github.com/thebearingedge/rust-backend
[INFO] tweaked toml for git repo https://github.com/thebearingedge/rust-backend written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/thebearingedge/rust-backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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 antidote v1.0.0
[INFO] [stderr]   Downloaded synstructure v0.10.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c24249eed6309b79b0cf407f4a638502a8dbbb31bf66c436024332833393f400
[INFO] running `Command { std: "docker" "start" "-a" "c24249eed6309b79b0cf407f4a638502a8dbbb31bf66c436024332833393f400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c24249eed6309b79b0cf407f4a638502a8dbbb31bf66c436024332833393f400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c24249eed6309b79b0cf407f4a638502a8dbbb31bf66c436024332833393f400", kill_on_drop: false }`
[INFO] [stdout] c24249eed6309b79b0cf407f4a638502a8dbbb31bf66c436024332833393f400
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4b5548f73091617262b0b8869ddd1e9a1728b1ed40971fdae9aac9c5c85fe0c
[INFO] running `Command { std: "docker" "start" "-a" "b4b5548f73091617262b0b8869ddd1e9a1728b1ed40971fdae9aac9c5c85fe0c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking arc-swap v0.3.6
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking askama_escape v0.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling actix-web v0.7.16
[INFO] [stderr]     Checking serde v1.0.82
[INFO] [stderr]     Checking ryu v0.2.7
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.22/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=b819e1115e951b38 -C extra-filename=-b819e1115e951b38 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-79d9993c21502006.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5e1244994aa5fd4f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.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-0.6.3/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 -C metadata=6d0633e62c33d32b -C extra-filename=-6d0633e62c33d32b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-32f182af8d1803e6.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b4b5548f73091617262b0b8869ddd1e9a1728b1ed40971fdae9aac9c5c85fe0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b5548f73091617262b0b8869ddd1e9a1728b1ed40971fdae9aac9c5c85fe0c", kill_on_drop: false }`
[INFO] [stdout] b4b5548f73091617262b0b8869ddd1e9a1728b1ed40971fdae9aac9c5c85fe0c