[INFO] fetching crate venta 0.7.0...
[INFO] testing venta-0.7.0 against 1.55.0 for beta-1.56-2
[INFO] extracting crate venta 0.7.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate venta 0.7.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate venta 0.7.0
[INFO] finished tweaking crates.io crate venta 0.7.0
[INFO] tweaked toml for crates.io crate venta 0.7.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate crates.io crate venta 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd v0.8.3+zstd.1.5.0
[INFO] [stderr]   Downloaded protobuf v2.24.1
[INFO] [stderr]   Downloaded zstd-sys v1.6.0+zstd.1.5.0
[INFO] [stderr]   Downloaded zstd-safe v4.1.0+zstd.1.5.0
[INFO] [stderr]   Downloaded pulsar v3.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aab11a89c94368d155592ff3aadc282b5e34dcbabbc059a7d167443dae1cb4cc
[INFO] running `Command { std: "docker" "start" "-a" "aab11a89c94368d155592ff3aadc282b5e34dcbabbc059a7d167443dae1cb4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aab11a89c94368d155592ff3aadc282b5e34dcbabbc059a7d167443dae1cb4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab11a89c94368d155592ff3aadc282b5e34dcbabbc059a7d167443dae1cb4cc", kill_on_drop: false }`
[INFO] [stdout] aab11a89c94368d155592ff3aadc282b5e34dcbabbc059a7d167443dae1cb4cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 911198a1804019b33448010ad9afdf08fa303f6667b1b83a596ad5ccd3e51245
[INFO] running `Command { std: "docker" "start" "-a" "911198a1804019b33448010ad9afdf08fa303f6667b1b83a596ad5ccd3e51245", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling zstd-safe v4.1.0+zstd.1.5.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling crc v2.0.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr] error: could not compile `bytes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bytes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-1.0.1/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="std"' -C metadata=e6eec5aeecffa8a4 -C extra-filename=-e6eec5aeecffa8a4 --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" "911198a1804019b33448010ad9afdf08fa303f6667b1b83a596ad5ccd3e51245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "911198a1804019b33448010ad9afdf08fa303f6667b1b83a596ad5ccd3e51245", kill_on_drop: false }`
[INFO] [stdout] 911198a1804019b33448010ad9afdf08fa303f6667b1b83a596ad5ccd3e51245