[INFO] cloning repository https://github.com/kharann/dumb-nats-rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kharann/dumb-nats-rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharann%2Fdumb-nats-rust-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharann%2Fdumb-nats-rust-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3535d16f3b02ea792fbaabc9c6c4e0766a745fd1
[INFO] checking kharann/dumb-nats-rust-example against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharann%2Fdumb-nats-rust-example" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kharann/dumb-nats-rust-example on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kharann/dumb-nats-rust-example
[INFO] finished tweaking git repo https://github.com/kharann/dumb-nats-rust-example
[INFO] tweaked toml for git repo https://github.com/kharann/dumb-nats-rust-example written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/kharann/dumb-nats-rust-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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 vec-arena v0.5.0
[INFO] [stderr]   Downloaded syn v1.0.37
[INFO] [stderr]   Downloaded nuid v0.2.1
[INFO] [stderr]   Downloaded async-io v0.1.9
[INFO] [stderr]   Downloaded signature v1.0.0-pre.1
[INFO] [stderr]   Downloaded async-dup v1.2.1
[INFO] [stderr]   Downloaded ed25519 v1.0.0-pre.1
[INFO] [stderr]   Downloaded signatory-dalek v0.18.1
[INFO] [stderr]   Downloaded signatory v0.18.1
[INFO] [stderr]   Downloaded subtle-encoding v0.4.1
[INFO] [stderr]   Downloaded smol v0.3.3
[INFO] [stderr]   Downloaded base64-url v1.4.7
[INFO] [stderr]   Downloaded blocking v0.5.0
[INFO] [stderr]   Downloaded nkeys v0.0.9
[INFO] [stderr]   Downloaded nats v0.7.2
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.4
[INFO] [stderr]   Downloaded event-listener v2.3.0
[INFO] [stderr]   Downloaded concurrent-queue v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1720e09ed28945355f360fb7d2b81e6a4f6c25d23ffdda259ad215789d9d3dd6
[INFO] running `Command { std: "docker" "start" "-a" "1720e09ed28945355f360fb7d2b81e6a4f6c25d23ffdda259ad215789d9d3dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1720e09ed28945355f360fb7d2b81e6a4f6c25d23ffdda259ad215789d9d3dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1720e09ed28945355f360fb7d2b81e6a4f6c25d23ffdda259ad215789d9d3dd6", kill_on_drop: false }`
[INFO] [stdout] 1720e09ed28945355f360fb7d2b81e6a4f6c25d23ffdda259ad215789d9d3dd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c1b269850370a0a5e802a5a24172f229dd381fea4ffc54f2e24d47583c9f518
[INFO] running `Command { std: "docker" "start" "-a" "2c1b269850370a0a5e802a5a24172f229dd381fea4ffc54f2e24d47583c9f518", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking event-listener v2.3.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking vec-arena v0.5.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking easy-parallel v3.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking os_str_bytes v2.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking concurrent-queue v1.2.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking futures-task v0.3.5
[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-0.6.18/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="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=dc17503f11bd0b3d -C extra-filename=-dc17503f11bd0b3d --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" "2c1b269850370a0a5e802a5a24172f229dd381fea4ffc54f2e24d47583c9f518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1b269850370a0a5e802a5a24172f229dd381fea4ffc54f2e24d47583c9f518", kill_on_drop: false }`
[INFO] [stdout] 2c1b269850370a0a5e802a5a24172f229dd381fea4ffc54f2e24d47583c9f518