[INFO] fetching crate gitarena 0.0.0...
[INFO] testing gitarena-0.0.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-3
[INFO] extracting crate gitarena 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate gitarena 0.0.0
[INFO] finished tweaking crates.io crate gitarena 0.0.0
[INFO] tweaked toml for crates.io crate gitarena 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gitarena 0.0.0 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 gitarena 0.0.0 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] 67be980cf950b0808722970568d4c09ccbde8d139af30b81a8d89dafead70499
[INFO] running `Command { std: "docker" "start" "67be980cf950b0808722970568d4c09ccbde8d139af30b81a8d89dafead70499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67be980cf950b0808722970568d4c09ccbde8d139af30b81a8d89dafead70499", 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" "67be980cf950b0808722970568d4c09ccbde8d139af30b81a8d89dafead70499" "/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" "67be980cf950b0808722970568d4c09ccbde8d139af30b81a8d89dafead70499", 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" "67be980cf950b0808722970568d4c09ccbde8d139af30b81a8d89dafead70499" "/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 v0.2.112
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[INFO] [stderr]    Compiling tokio-uds v0.2.7
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[INFO] [stderr]    Compiling tokio-tcp v0.1.4
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[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
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[INFO] [stderr]    Compiling rand v0.8.4
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[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling pin-project v0.4.29
[INFO] [stderr]    Compiling git-validate v0.5.3
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling actix-threadpool v0.3.3
[INFO] [stderr]    Compiling zstd-sys v1.6.0+zstd.1.5.0
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[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-0.3.19/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 linker-plugin-lto --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --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=98ba01317888dd26 -C extra-filename=-5881a82c563aa48e --out-dir /opt/rustwide/target/release/build/futures-util/5881a82c563aa48e/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/futures-core/438a454913727812/out -L dependency=/opt/rustwide/target/release/build/futures-sink/acc5c653b7277c3b/out --extern futures_channel=/opt/rustwide/target/release/build/futures-channel/e3eb5dbc942c3ad1/out/libfutures_channel-e3eb5dbc942c3ad1.rmeta --extern futures_core=/opt/rustwide/target/release/build/futures-core/438a454913727812/out/libfutures_core-438a454913727812.rmeta --extern futures_io=/opt/rustwide/target/release/build/futures-io/94ac3d14ccf277ac/out/libfutures_io-94ac3d14ccf277ac.rmeta --extern futures_macro=/opt/rustwide/target/release/build/futures-macro/272c00a55e304553/out/libfutures_macro-272c00a55e304553.so --extern futures_sink=/opt/rustwide/target/release/build/futures-sink/acc5c653b7277c3b/out/libfutures_sink-acc5c653b7277c3b.rmeta --extern futures_task=/opt/rustwide/target/release/build/futures-task/f4d9c9495e40273b/out/libfutures_task-f4d9c9495e40273b.rmeta --extern memchr=/opt/rustwide/target/release/build/memchr/6b1e041b840cbb1d/out/libmemchr-6b1e041b840cbb1d.rmeta --extern pin_project_lite=/opt/rustwide/target/release/build/pin-project-lite/fd3d9cf99678bc01/out/libpin_project_lite-fd3d9cf99678bc01.rmeta --extern pin_utils=/opt/rustwide/target/release/build/pin-utils/05bc68644a2ed8a6/out/libpin_utils-05bc68644a2ed8a6.rmeta --extern slab=/opt/rustwide/target/release/build/slab/be1c9d99409fa7df/out/libslab-be1c9d99409fa7df.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 `tokio` (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 tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-0.2.25/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 linker-plugin-lto --cfg 'feature="blocking"' --cfg 'feature="default"' --cfg 'feature="dns"' --cfg 'feature="fnv"' --cfg 'feature="fs"' --cfg 'feature="futures-core"' --cfg 'feature="io-driver"' --cfg 'feature="io-util"' --cfg 'feature="iovec"' --cfg 'feature="lazy_static"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="mio-named-pipes"' --cfg 'feature="mio-uds"' --cfg 'feature="num_cpus"' --cfg 'feature="process"' --cfg 'feature="rt-core"' --cfg 'feature="rt-threaded"' --cfg 'feature="rt-util"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="slab"' --cfg 'feature="stream"' --cfg 'feature="sync"' --cfg 'feature="tcp"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --cfg 'feature="udp"' --cfg 'feature="uds"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("blocking", "default", "dns", "fnv", "fs", "full", "futures-core", "io-driver", "io-std", "io-util", "iovec", "lazy_static", "libc", "macros", "memchr", "mio", "mio-named-pipes", "mio-uds", "net", "num_cpus", "parking_lot", "process", "rt-core", "rt-threaded", "rt-util", "signal", "signal-hook-registry", "slab", "stream", "sync", "tcp", "test-util", "time", "tokio-macros", "tracing", "udp", "uds", "winapi"))' -C metadata=fbd7e823ccd3fb1b -C extra-filename=-48f1bdf4e5e2dd18 --out-dir /opt/rustwide/target/release/build/tokio/48f1bdf4e5e2dd18/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/cfg-if/2421ae9a7af6335f/out -L dependency=/opt/rustwide/target/release/build/cfg-if/deda1a1583cd3ba8/out -L dependency=/opt/rustwide/target/release/build/iovec/7b026e45de8b6ca9/out -L dependency=/opt/rustwide/target/release/build/libc/5f8cbc32ad85709d/out -L dependency=/opt/rustwide/target/release/build/log/8845557bc2006c04/out -L dependency=/opt/rustwide/target/release/build/mio/e0168867cc1af86d/out -L dependency=/opt/rustwide/target/release/build/net2/a1488fcad0addf82/out -L dependency=/opt/rustwide/target/release/build/slab/be1c9d99409fa7df/out --extern bytes=/opt/rustwide/target/release/build/bytes/213832bddf65ea82/out/libbytes-213832bddf65ea82.rmeta --extern fnv=/opt/rustwide/target/release/build/fnv/b1ae9867229b6f56/out/libfnv-b1ae9867229b6f56.rmeta --extern futures_core=/opt/rustwide/target/release/build/futures-core/438a454913727812/out/libfutures_core-438a454913727812.rmeta --extern iovec=/opt/rustwide/target/release/build/iovec/7b026e45de8b6ca9/out/libiovec-7b026e45de8b6ca9.rmeta --extern lazy_static=/opt/rustwide/target/release/build/lazy_static/73c85d750902afae/out/liblazy_static-73c85d750902afae.rmeta --extern libc=/opt/rustwide/target/release/build/libc/5f8cbc32ad85709d/out/liblibc-5f8cbc32ad85709d.rmeta --extern memchr=/opt/rustwide/target/release/build/memchr/6b1e041b840cbb1d/out/libmemchr-6b1e041b840cbb1d.rmeta --extern mio=/opt/rustwide/target/release/build/mio/e0168867cc1af86d/out/libmio-e0168867cc1af86d.rmeta --extern mio_uds=/opt/rustwide/target/release/build/mio-uds/5b9f170d599d9db3/out/libmio_uds-5b9f170d599d9db3.rmeta --extern num_cpus=/opt/rustwide/target/release/build/num_cpus/fda5d2b9836c37b2/out/libnum_cpus-fda5d2b9836c37b2.rmeta --extern pin_project_lite=/opt/rustwide/target/release/build/pin-project-lite/af2b06510e0f3337/out/libpin_project_lite-af2b06510e0f3337.rmeta --extern signal_hook_registry=/opt/rustwide/target/release/build/signal-hook-registry/6044eafdcaa4b778/out/libsignal_hook_registry-6044eafdcaa4b778.rmeta --extern slab=/opt/rustwide/target/release/build/slab/be1c9d99409fa7df/out/libslab-be1c9d99409fa7df.rmeta --extern tokio_macros=/opt/rustwide/target/release/build/tokio-macros/e08c0d327dcb765c/out/libtokio_macros-e08c0d327dcb765c.so --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[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-0.3.19/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="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --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=7b30a05d171b8d94 -C extra-filename=-88c979d611e69362 --out-dir /opt/rustwide/target/release/build/futures-util/88c979d611e69362/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/futures-core/3d5e402dd106cf02/out -L dependency=/opt/rustwide/target/release/build/futures-sink/561891147f5de0d6/out --extern futures_channel=/opt/rustwide/target/release/build/futures-channel/a0c72d9924583f7b/out/libfutures_channel-a0c72d9924583f7b.rmeta --extern futures_core=/opt/rustwide/target/release/build/futures-core/3d5e402dd106cf02/out/libfutures_core-3d5e402dd106cf02.rmeta --extern futures_io=/opt/rustwide/target/release/build/futures-io/eac051aa82179498/out/libfutures_io-eac051aa82179498.rmeta --extern futures_macro=/opt/rustwide/target/release/build/futures-macro/272c00a55e304553/out/libfutures_macro-272c00a55e304553.so --extern futures_sink=/opt/rustwide/target/release/build/futures-sink/561891147f5de0d6/out/libfutures_sink-561891147f5de0d6.rmeta --extern futures_task=/opt/rustwide/target/release/build/futures-task/5c14f7830ee94925/out/libfutures_task-5c14f7830ee94925.rmeta --extern memchr=/opt/rustwide/target/release/build/memchr/f4376b7a35a2d72b/out/libmemchr-f4376b7a35a2d72b.rmeta --extern pin_project_lite=/opt/rustwide/target/release/build/pin-project-lite/f8ed087de707f9ce/out/libpin_project_lite-f8ed087de707f9ce.rmeta --extern pin_utils=/opt/rustwide/target/release/build/pin-utils/180be09fa5b43b96/out/libpin_utils-180be09fa5b43b96.rmeta --extern slab=/opt/rustwide/target/release/build/slab/afff3cd698b928b6/out/libslab-afff3cd698b928b6.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "67be980cf950b0808722970568d4c09ccbde8d139af30b81a8d89dafead70499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67be980cf950b0808722970568d4c09ccbde8d139af30b81a8d89dafead70499", kill_on_drop: false }`
[INFO] [stdout] 67be980cf950b0808722970568d4c09ccbde8d139af30b81a8d89dafead70499