[INFO] cloning repository https://github.com/RichoDemus/quicksilver-web-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RichoDemus/quicksilver-web-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichoDemus%2Fquicksilver-web-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichoDemus%2Fquicksilver-web-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff5caf76dc8e56670649351b63a8eb34ad2deadf
[INFO] checking RichoDemus/quicksilver-web-example 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%2FRichoDemus%2Fquicksilver-web-example" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RichoDemus/quicksilver-web-example 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/RichoDemus/quicksilver-web-example
[INFO] finished tweaking git repo https://github.com/RichoDemus/quicksilver-web-example
[INFO] tweaked toml for git repo https://github.com/RichoDemus/quicksilver-web-example written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/RichoDemus/quicksilver-web-example 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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 4dbf9d6fde1ad6190cfe5cfcdbeae291a301343b126cecf8daecea1b7d4d6878
[INFO] running `Command { std: "docker" "start" "-a" "4dbf9d6fde1ad6190cfe5cfcdbeae291a301343b126cecf8daecea1b7d4d6878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dbf9d6fde1ad6190cfe5cfcdbeae291a301343b126cecf8daecea1b7d4d6878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dbf9d6fde1ad6190cfe5cfcdbeae291a301343b126cecf8daecea1b7d4d6878", kill_on_drop: false }`
[INFO] [stdout] 4dbf9d6fde1ad6190cfe5cfcdbeae291a301343b126cecf8daecea1b7d4d6878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 8306dc9a843a315b4e1bb8f27352d7501fabc62163713c4d084df808ab3fe161
[INFO] running `Command { std: "docker" "start" "-a" "8306dc9a843a315b4e1bb8f27352d7501fabc62163713c4d084df808ab3fe161", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking mint v0.5.6
[INFO] [stderr]     Checking bytemuck v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr] error: could not compile `xml-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name xml /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xml-rs-0.8.3/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=fe74142e2273306a -C extra-filename=-fe74142e2273306a --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" "8306dc9a843a315b4e1bb8f27352d7501fabc62163713c4d084df808ab3fe161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8306dc9a843a315b4e1bb8f27352d7501fabc62163713c4d084df808ab3fe161", kill_on_drop: false }`
[INFO] [stdout] 8306dc9a843a315b4e1bb8f27352d7501fabc62163713c4d084df808ab3fe161