[INFO] fetching crate gemachain-crate-features 1.8.2...
[INFO] testing gemachain-crate-features-1.8.2 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate gemachain-crate-features 1.8.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate gemachain-crate-features 1.8.2
[INFO] finished tweaking crates.io crate gemachain-crate-features 1.8.2
[INFO] tweaked toml for crates.io crate gemachain-crate-features 1.8.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gemachain-crate-features 1.8.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 188 packages to highest compatible versions
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.12.1)
[INFO] [stderr]       Adding curve25519-dalek v3.2.1 (available: v5.0.0)
[INFO] [stderr]       Adding ed25519-dalek v1.0.1 (available: v3.0.0)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (available: v0.10.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.11)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.13.5)
[INFO] [stderr]       Adding ring v0.16.20 (available: v0.17.14)
[INFO] [stderr]       Adding syn v0.15.44 (available: v3.0.9)
[INFO] [stderr]       Adding syn v1.0.109 (available: v3.0.9)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 284242502f3b672f14a6b1a31747f3e90366b03584499e891846c61a31cd8af2
[INFO] running `Command { std: "docker" "start" "284242502f3b672f14a6b1a31747f3e90366b03584499e891846c61a31cd8af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "284242502f3b672f14a6b1a31747f3e90366b03584499e891846c61a31cd8af2", 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" "284242502f3b672f14a6b1a31747f3e90366b03584499e891846c61a31cd8af2" "/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" "284242502f3b672f14a6b1a31747f3e90366b03584499e891846c61a31cd8af2", 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" "284242502f3b672f14a6b1a31747f3e90366b03584499e891846c61a31cd8af2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling spin v0.9.9
[INFO] [stderr]    Compiling find-msvc-tools v0.1.14
[INFO] [stderr]    Compiling rustc-demangle v0.1.28
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling mio v1.2.4
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling synstructure v0.14.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[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-0.3.34/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 --cfg 'feature="alloc"' --cfg 'feature="futures-io"' --cfg 'feature="io"' --cfg 'feature="memchr"' --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", "libc", "memchr", "portable-atomic", "portable-atomic-alloc", "portable-atomic-util", "portable_atomic_crate", "sink", "slab", "spin", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=0946b7cc878d7cf6 -C extra-filename=-f5ed99e714dc5b9f --out-dir /opt/rustwide/target/release/build/futures-util/f5ed99e714dc5b9f/out -C strip=debuginfo --extern futures_core=/opt/rustwide/target/release/build/futures-core/000e9c1bb1a1e1f4/out/libfutures_core-000e9c1bb1a1e1f4.rmeta --extern futures_io=/opt/rustwide/target/release/build/futures-io/140f40c122dc4703/out/libfutures_io-140f40c122dc4703.rmeta --extern futures_task=/opt/rustwide/target/release/build/futures-task/5c5534087cfa7016/out/libfutures_task-5c5534087cfa7016.rmeta --extern memchr=/opt/rustwide/target/release/build/memchr/b836402bd6c4c7f1/out/libmemchr-b836402bd6c4c7f1.rmeta --extern pin_project_lite=/opt/rustwide/target/release/build/pin-project-lite/9a89bb36c0c56875/out/libpin_project_lite-9a89bb36c0c56875.rmeta --extern slab=/opt/rustwide/target/release/build/slab/fc33110460bc6c9a/out/libslab-fc33110460bc6c9a.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 `syn` (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 syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.9/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 embed-bitcode=no -C debug-assertions=off --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=8a167bb251703375 -C extra-filename=-20dfefaacc3f6604 --out-dir /opt/rustwide/target/release/build/syn/20dfefaacc3f6604/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/bfa7a6aafdfba675/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/2ee003426a225cef/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/bfa7a6aafdfba675/out/libproc_macro2-bfa7a6aafdfba675.rmeta --extern quote=/opt/rustwide/target/release/build/quote/44c84b9315bcd971/out/libquote-44c84b9315bcd971.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/2ee003426a225cef/out/libunicode_ident-2ee003426a225cef.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "284242502f3b672f14a6b1a31747f3e90366b03584499e891846c61a31cd8af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284242502f3b672f14a6b1a31747f3e90366b03584499e891846c61a31cd8af2", kill_on_drop: false }`
[INFO] [stdout] 284242502f3b672f14a6b1a31747f3e90366b03584499e891846c61a31cd8af2
