[INFO] fetching crate upend 0.0.56...
[INFO] testing upend-0.0.56 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate upend 0.0.56 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate upend 0.0.56
[INFO] finished tweaking crates.io crate upend 0.0.56
[INFO] tweaked toml for crates.io crate upend 0.0.56 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate upend 0.0.56 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate upend 0.0.56 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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] 40fceeb86f842e0b143bea2703090b2c3151918c1ac63e6b3de7d542c9f90eee
[INFO] running `Command { std: "docker" "start" "40fceeb86f842e0b143bea2703090b2c3151918c1ac63e6b3de7d542c9f90eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40fceeb86f842e0b143bea2703090b2c3151918c1ac63e6b3de7d542c9f90eee", 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" "40fceeb86f842e0b143bea2703090b2c3151918c1ac63e6b3de7d542c9f90eee" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40fceeb86f842e0b143bea2703090b2c3151918c1ac63e6b3de7d542c9f90eee", 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" "40fceeb86f842e0b143bea2703090b2c3151918c1ac63e6b3de7d542c9f90eee" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling v_escape v0.15.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling libwebp-sys v0.2.0
[INFO] [stderr]    Compiling buf-min v0.4.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling curl v0.4.42
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling v_htmlescape v0.12.0
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling png v0.16.8
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.84/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=c3f600bbe77b5a52 -C extra-filename=-f2d8cba5ccab23fd --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-0c33e28ac217b604.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-64ca004504a9c6b6.rmeta --extern unicode_xid=/opt/rustwide/target/release/deps/libunicode_xid-38b4f790ad47c60a.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (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/1.99.0-beta.8-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 --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="fnv"' --cfg 'feature="futures-core"' --cfg 'feature="io-driver"' --cfg 'feature="io-util"' --cfg 'feature="iovec"' --cfg 'feature="lazy_static"' --cfg 'feature="libc"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="mio-uds"' --cfg 'feature="rt-core"' --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="udp"' --cfg 'feature="uds"' --cfg 'feature="winapi"' --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=113207f9ca658446 -C extra-filename=-61a0f5722a60b38f --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern bytes=/opt/rustwide/target/release/deps/libbytes-9eb7a2bc73dde625.rmeta --extern fnv=/opt/rustwide/target/release/deps/libfnv-98df728fc8020158.rmeta --extern futures_core=/opt/rustwide/target/release/deps/libfutures_core-e17b320dc413edc6.rmeta --extern iovec=/opt/rustwide/target/release/deps/libiovec-1a7d939f9185ff5a.rmeta --extern lazy_static=/opt/rustwide/target/release/deps/liblazy_static-480433dca0d17907.rmeta --extern libc=/opt/rustwide/target/release/deps/liblibc-6f0a1720638639cd.rmeta --extern memchr=/opt/rustwide/target/release/deps/libmemchr-f1f287e661d4e002.rmeta --extern mio=/opt/rustwide/target/release/deps/libmio-9dfce4497997a2d7.rmeta --extern mio_uds=/opt/rustwide/target/release/deps/libmio_uds-1cccb82927f5ca49.rmeta --extern pin_project_lite=/opt/rustwide/target/release/deps/libpin_project_lite-b115ed1a1242f292.rmeta --extern signal_hook_registry=/opt/rustwide/target/release/deps/libsignal_hook_registry-dcf9b4c3c23d66e6.rmeta --extern slab=/opt/rustwide/target/release/deps/libslab-525e9956f983c976.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "40fceeb86f842e0b143bea2703090b2c3151918c1ac63e6b3de7d542c9f90eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40fceeb86f842e0b143bea2703090b2c3151918c1ac63e6b3de7d542c9f90eee", kill_on_drop: false }`
[INFO] [stdout] 40fceeb86f842e0b143bea2703090b2c3151918c1ac63e6b3de7d542c9f90eee
