[INFO] fetching crate pack-it 0.2.0...
[INFO] checking pack-it-0.2.0 against try#ea2bf32540662c61547071aad6cf0851a0b02f58 for pr-96376
[INFO] extracting crate pack-it 0.2.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate pack-it 0.2.0 on toolchain ea2bf32540662c61547071aad6cf0851a0b02f58
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pack-it 0.2.0
[INFO] finished tweaking crates.io crate pack-it 0.2.0
[INFO] tweaked toml for crates.io crate pack-it 0.2.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca64993c59f75673a8e32d2abda0f9883f8c9c00d85a3fc13a9aae481ff2f851
[INFO] running `Command { std: "docker" "start" "-a" "ca64993c59f75673a8e32d2abda0f9883f8c9c00d85a3fc13a9aae481ff2f851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca64993c59f75673a8e32d2abda0f9883f8c9c00d85a3fc13a9aae481ff2f851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca64993c59f75673a8e32d2abda0f9883f8c9c00d85a3fc13a9aae481ff2f851", kill_on_drop: false }`
[INFO] [stdout] ca64993c59f75673a8e32d2abda0f9883f8c9c00d85a3fc13a9aae481ff2f851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=forbid" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67b9b4f331c82e833c2b015e3af2e5809886dcb9785caf4bb591f46d6578be36
[INFO] running `Command { std: "docker" "start" "-a" "67b9b4f331c82e833c2b015e3af2e5809886dcb9785caf4bb591f46d6578be36", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling zstd-safe v4.1.4+zstd.1.5.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking array-init-cursor v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking streaming-iterator v0.1.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking planus v0.2.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking streaming-decompression v0.1.0
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking bitpacking v0.8.4
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]    Compiling lz4-sys v1.9.3
[INFO] [stderr] error: could not compile `bitpacking`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bitpacking --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitpacking-0.8.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bitpacker1x"' --cfg 'feature="bitpacker4x"' --cfg 'feature="bitpacker8x"' --cfg 'feature="default"' -C metadata=80cac9bbbfca35b0 -C extra-filename=-80cac9bbbfca35b0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-09a2a3ffa99b8f13.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.91/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 debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=d9a361873749d698 -C extra-filename=-d9a361873749d698 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-16f4d56d78074154.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-faec848a47c42982.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "67b9b4f331c82e833c2b015e3af2e5809886dcb9785caf4bb591f46d6578be36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b9b4f331c82e833c2b015e3af2e5809886dcb9785caf4bb591f46d6578be36", kill_on_drop: false }`
[INFO] [stdout] 67b9b4f331c82e833c2b015e3af2e5809886dcb9785caf4bb591f46d6578be36