[INFO] fetching crate learnwell 0.2.1...
[INFO] testing learnwell-0.2.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate learnwell 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate learnwell 0.2.1
[INFO] finished tweaking crates.io crate learnwell 0.2.1
[INFO] tweaked toml for crates.io crate learnwell 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate learnwell 0.2.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate learnwell 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0c20870ffd74629bbaa1412d92a275536f8ad0f8c630e069e65ba855a2b0831a
[INFO] running `Command { std: "docker" "start" "0c20870ffd74629bbaa1412d92a275536f8ad0f8c630e069e65ba855a2b0831a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c20870ffd74629bbaa1412d92a275536f8ad0f8c630e069e65ba855a2b0831a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0c20870ffd74629bbaa1412d92a275536f8ad0f8c630e069e65ba855a2b0831a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c20870ffd74629bbaa1412d92a275536f8ad0f8c630e069e65ba855a2b0831a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0c20870ffd74629bbaa1412d92a275536f8ad0f8c630e069e65ba855a2b0831a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling bytemuck v1.12.3
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling nom v7.1.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling crossfont v0.5.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling foreign-types-shared v0.3.1
[INFO] [stderr]    Compiling wgpu-core v0.13.2
[INFO] [stderr]    Compiling tiny-skia-path v0.7.0
[INFO] [stderr]    Compiling gpu-alloc v0.5.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling servo-fontconfig v0.5.1
[INFO] [stderr]    Compiling gpu-descriptor v0.2.3
[INFO] [stderr]    Compiling freetype-rs v0.26.0
[INFO] [stderr]    Compiling memmap2 v0.5.8
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling x11-dl v2.20.1
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling wgpu-types v0.13.2
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling glow v0.11.2
[INFO] [stderr]    Compiling profiling v1.0.7
[INFO] [stderr]    Compiling inplace_it v0.3.5
[INFO] [stderr]    Compiling renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling tiny-skia v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling show-image v0.13.1
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling raw-window-handle v0.5.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling glam v0.21.3
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling foreign-types-macros v0.2.2
[INFO] [stderr]    Compiling show-image-macros v0.12.3
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling foreign-types v0.5.0
[INFO] [stderr]    Compiling calloop v0.10.5
[INFO] [stderr]    Compiling naga v0.9.0
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="channel"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=149e2d6cb33edf56 -C extra-filename=-8743f5c30b9ce094 --out-dir /opt/rustwide/target/release/build/futures-util/8743f5c30b9ce094/out -L dependency=/opt/rustwide/target/release/build/futures-core/fa609d600cc8dcb2/out -L dependency=/opt/rustwide/target/release/build/futures-sink/44875a27af0498d0/out --extern futures_channel=/opt/rustwide/target/release/build/futures-channel/e4e75151155d95bb/out/libfutures_channel-e4e75151155d95bb.rmeta --extern futures_core=/opt/rustwide/target/release/build/futures-core/fa609d600cc8dcb2/out/libfutures_core-fa609d600cc8dcb2.rmeta --extern futures_io=/opt/rustwide/target/release/build/futures-io/19b9bcdbe5b38f5d/out/libfutures_io-19b9bcdbe5b38f5d.rmeta --extern futures_sink=/opt/rustwide/target/release/build/futures-sink/44875a27af0498d0/out/libfutures_sink-44875a27af0498d0.rmeta --extern futures_task=/opt/rustwide/target/release/build/futures-task/dd3d180338b36884/out/libfutures_task-dd3d180338b36884.rmeta --extern memchr=/opt/rustwide/target/release/build/memchr/eb64888d7038bd2f/out/libmemchr-eb64888d7038bd2f.rmeta --extern pin_project_lite=/opt/rustwide/target/release/build/pin-project-lite/732840a818ce3729/out/libpin_project_lite-732840a818ce3729.rmeta --extern pin_utils=/opt/rustwide/target/release/build/pin-utils/c113c6e862e47614/out/libpin_utils-c113c6e862e47614.rmeta --extern slab=/opt/rustwide/target/release/build/slab/c0126706414a2321/out/libslab-c0126706414a2321.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ash` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name ash --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ash-0.37.2+1.3.238/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="debug"' --cfg 'feature="default"' --cfg 'feature="libloading"' --cfg 'feature="loaded"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("debug", "default", "libloading", "linked", "loaded"))' -C metadata=fff8b5c56168b220 -C extra-filename=-528e817e977dc8aa --out-dir /opt/rustwide/target/release/build/ash/528e817e977dc8aa/out -L dependency=/opt/rustwide/target/release/build/cfg-if/8eeab8f63f8ce2b6/out --extern libloading=/opt/rustwide/target/release/build/libloading/f8ab0dbd8fc0f2f1/out/liblibloading-f8ab0dbd8fc0f2f1.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "0c20870ffd74629bbaa1412d92a275536f8ad0f8c630e069e65ba855a2b0831a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c20870ffd74629bbaa1412d92a275536f8ad0f8c630e069e65ba855a2b0831a", kill_on_drop: false }`
[INFO] [stdout] 0c20870ffd74629bbaa1412d92a275536f8ad0f8c630e069e65ba855a2b0831a
