[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] checking MaxStrange/roboarm against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxStrange%2Froboarm" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaxStrange/roboarm on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-27/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" "+beta-2021-10-15" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 392e7d281af70fd66a69bcd3fb0e35ba551ec717a1887c473a19ca9a62279317
[INFO] running `Command { std: "docker" "start" "-a" "392e7d281af70fd66a69bcd3fb0e35ba551ec717a1887c473a19ca9a62279317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "392e7d281af70fd66a69bcd3fb0e35ba551ec717a1887c473a19ca9a62279317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392e7d281af70fd66a69bcd3fb0e35ba551ec717a1887c473a19ca9a62279317", kill_on_drop: false }`
[INFO] [stdout] 392e7d281af70fd66a69bcd3fb0e35ba551ec717a1887c473a19ca9a62279317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e693ca3cfb2a42b45286fb12141a42d7e20e4854f0540a562c9bc2eec35f352
[INFO] running `Command { std: "docker" "start" "-a" "5e693ca3cfb2a42b45286fb12141a42d7e20e4854f0540a562c9bc2eec35f352", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling cortex-m-rt v0.6.5
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking ucd-util v0.1.2
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking bare-metal v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling tm4c123x v0.7.0
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.2
[INFO] [stderr]     Checking RustyXML v0.1.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]    Compiling tm4c123x-hal v0.6.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking rust-ini v0.12.2
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.9.15/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="std"' -C metadata=1e12149c9970a1f6 -C extra-filename=-1e12149c9970a1f6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "5e693ca3cfb2a42b45286fb12141a42d7e20e4854f0540a562c9bc2eec35f352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e693ca3cfb2a42b45286fb12141a42d7e20e4854f0540a562c9bc2eec35f352", kill_on_drop: false }`
[INFO] [stdout] 5e693ca3cfb2a42b45286fb12141a42d7e20e4854f0540a562c9bc2eec35f352
