[INFO] fetching crate oxygengine-build-tools 0.20.0...
[INFO] testing oxygengine-build-tools-0.20.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate oxygengine-build-tools 0.20.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate oxygengine-build-tools 0.20.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oxygengine-build-tools 0.20.0
[INFO] finished tweaking crates.io crate oxygengine-build-tools 0.20.0
[INFO] tweaked toml for crates.io crate oxygengine-build-tools 0.20.0 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54af21f6367c0060972d5fef008501fc749d2fc2890cd6b0816c08838c02ef13
[INFO] running `Command { std: "docker" "start" "-a" "54af21f6367c0060972d5fef008501fc749d2fc2890cd6b0816c08838c02ef13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54af21f6367c0060972d5fef008501fc749d2fc2890cd6b0816c08838c02ef13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54af21f6367c0060972d5fef008501fc749d2fc2890cd6b0816c08838c02ef13", kill_on_drop: false }`
[INFO] [stdout] 54af21f6367c0060972d5fef008501fc749d2fc2890cd6b0816c08838c02ef13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df253144520b14745686c82f85a0bd0882b654fc91ebc7830651cd3362e99e9
[INFO] running `Command { std: "docker" "start" "-a" "7df253144520b14745686c82f85a0bd0882b654fc91ebc7830651cd3362e99e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling is_executable v0.1.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling pathdiff v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling publicsuffix v1.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr] error: could not compile `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/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 --cfg 'feature="default"' --cfg 'feature="use_std"' --cfg 'feature="with-deprecated"' -C metadata=0f39203b7bbc7621 -C extra-filename=-0f39203b7bbc7621 --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" "7df253144520b14745686c82f85a0bd0882b654fc91ebc7830651cd3362e99e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df253144520b14745686c82f85a0bd0882b654fc91ebc7830651cd3362e99e9", kill_on_drop: false }`
[INFO] [stdout] 7df253144520b14745686c82f85a0bd0882b654fc91ebc7830651cd3362e99e9