[INFO] cloning repository https://github.com/MaxStrange/roboarm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaxStrange/roboarm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxStrange%2Froboarm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxStrange%2Froboarm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32fd976768a5db68959dbf14f88f6ef18691372c
[INFO] testing MaxStrange/roboarm against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxStrange%2Froboarm" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaxStrange/roboarm on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaxStrange/roboarm
[INFO] finished tweaking git repo https://github.com/MaxStrange/roboarm
[INFO] tweaked toml for git repo https://github.com/MaxStrange/roboarm written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/MaxStrange/roboarm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 rust-ini v0.12.2
[INFO] [stderr]   Downloaded generic-array v0.11.1
[INFO] [stderr]   Downloaded nom v4.1.1
[INFO] [stderr]   Downloaded alga v0.7.2
[INFO] [stderr]   Downloaded num-bigint v0.2.1
[INFO] [stderr]   Downloaded vcell v0.1.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.5
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] [stderr]   Downloaded yaml-rust v0.4.2
[INFO] [stderr]   Downloaded cortex-m v0.5.8
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.1
[INFO] [stderr]   Downloaded hash32 v0.1.0
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded syn v0.15.16
[INFO] [stderr]   Downloaded heapless v0.4.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.5.7
[INFO] [stderr]   Downloaded bare-metal v0.2.3
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded urdf-rs v0.4.2
[INFO] [stderr]   Downloaded tm4c123x-hal v0.6.0
[INFO] [stderr]   Downloaded k v0.11.1
[INFO] [stderr]   Downloaded config v0.9.1
[INFO] [stderr]   Downloaded approx v0.2.1
[INFO] [stderr]   Downloaded serde_derive v0.9.15
[INFO] [stderr]   Downloaded serialport v3.0.0
[INFO] [stderr]   Downloaded tm4c123x v0.7.0
[INFO] [stderr]   Downloaded nalgebra v0.16.10
[INFO] [stderr]   Downloaded alga v0.6.0
[INFO] [stderr]   Downloaded nb v0.1.1
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.3
[INFO] [stderr]   Downloaded serde-xml-rs v0.1.2
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded nalgebra v0.15.3
[INFO] [stderr]   Downloaded serde-hjson v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc1140b03364a1758c4a44632a93077e44e7c98e8d8ec79693815b2c3e5da21f
[INFO] running `Command { std: "docker" "start" "-a" "dc1140b03364a1758c4a44632a93077e44e7c98e8d8ec79693815b2c3e5da21f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc1140b03364a1758c4a44632a93077e44e7c98e8d8ec79693815b2c3e5da21f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1140b03364a1758c4a44632a93077e44e7c98e8d8ec79693815b2c3e5da21f", kill_on_drop: false }`
[INFO] [stdout] dc1140b03364a1758c4a44632a93077e44e7c98e8d8ec79693815b2c3e5da21f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08d3615c9745f5a053f3ce2bcf640664f650af4b1f87c22dff3ae76e6e7fde27
[INFO] running `Command { std: "docker" "start" "-a" "08d3615c9745f5a053f3ce2bcf640664f650af4b1f87c22dff3ae76e6e7fde27", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling vcell v0.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cortex-m-rt v0.6.5
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling bare-metal v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling tm4c123x v0.7.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling RustyXML v0.1.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.2
[INFO] [stderr]    Compiling nb v0.1.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling tm4c123x-hal v0.6.0
[INFO] [stderr]    Compiling libm v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling rust-ini v0.12.2
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling approx v0.2.1
[INFO] [stderr]    Compiling approx v0.3.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]    Compiling hash32 v0.1.0
[INFO] [stderr]    Compiling embedded-hal v0.2.1
[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-0.3.9/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=336a9301e9d8fcde -C extra-filename=-336a9301e9d8fcde --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" "08d3615c9745f5a053f3ce2bcf640664f650af4b1f87c22dff3ae76e6e7fde27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d3615c9745f5a053f3ce2bcf640664f650af4b1f87c22dff3ae76e6e7fde27", kill_on_drop: false }`
[INFO] [stdout] 08d3615c9745f5a053f3ce2bcf640664f650af4b1f87c22dff3ae76e6e7fde27