[INFO] fetching crate pqrs 0.2.0...
[INFO] testing pqrs-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pqrs 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pqrs 0.2.0 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 pqrs 0.2.0
[INFO] finished tweaking crates.io crate pqrs 0.2.0
[INFO] tweaked toml for crates.io crate pqrs 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate pqrs 0.2.0 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 jobserver v0.1.22
[INFO] [stderr]   Downloaded flatbuffers v0.8.4
[INFO] [stderr]   Downloaded assert_cmd v1.0.5
[INFO] [stderr]   Downloaded cfg_aliases v0.1.1
[INFO] [stderr]   Downloaded multiversion-macros v0.6.1
[INFO] [stderr]   Downloaded arrow v4.3.0
[INFO] [stderr]   Downloaded alloc-stdlib v0.2.1
[INFO] [stderr]   Downloaded parquet-format v2.6.1
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.1
[INFO] [stderr]   Downloaded thrift v0.13.0
[INFO] [stderr]   Downloaded multiversion v0.6.1
[INFO] [stderr]   Downloaded zstd v0.8.3+zstd.1.5.0
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.1
[INFO] [stderr]   Downloaded cc v1.0.68
[INFO] [stderr]   Downloaded brotli v3.3.0
[INFO] [stderr]   Downloaded zstd-safe v4.1.0+zstd.1.5.0
[INFO] [stderr]   Downloaded snap v1.0.5
[INFO] [stderr]   Downloaded integer-encoding v1.1.7
[INFO] [stderr]   Downloaded parquet v4.3.0
[INFO] [stderr]   Downloaded zstd-sys v1.6.0+zstd.1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6af543cf99bb8157a65cb7a7dd8c1d3f7c629d98f6d227040e32138e882ec081
[INFO] running `Command { std: "docker" "start" "-a" "6af543cf99bb8157a65cb7a7dd8c1d3f7c629d98f6d227040e32138e882ec081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6af543cf99bb8157a65cb7a7dd8c1d3f7c629d98f6d227040e32138e882ec081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af543cf99bb8157a65cb7a7dd8c1d3f7c629d98f6d227040e32138e882ec081", kill_on_drop: false }`
[INFO] [stdout] 6af543cf99bb8157a65cb7a7dd8c1d3f7c629d98f6d227040e32138e882ec081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b043c77904e8eee0331b68babdfdb7f1116129c41dfe72407bcbcbb994b7b9cf
[INFO] running `Command { std: "docker" "start" "-a" "b043c77904e8eee0331b68babdfdb7f1116129c41dfe72407bcbcbb994b7b9cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling zstd-safe v4.1.0+zstd.1.5.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling integer-encoding v1.1.7
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]    Compiling parquet v4.3.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling brotli-decompressor v2.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling thrift v0.13.0
[INFO] [stderr]    Compiling brotli v3.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling parquet-format v2.6.1
[INFO] [stderr]    Compiling zstd-sys v1.6.0+zstd.1.5.0
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr] error: could not compile `brotli`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name brotli /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/brotli-3.3.0/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="alloc-stdlib"' --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=eab73e4f491e8bab -C extra-filename=-eab73e4f491e8bab --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern alloc_no_stdlib=/opt/rustwide/target/debug/deps/liballoc_no_stdlib-3cfd35877c693f42.rmeta --extern alloc_stdlib=/opt/rustwide/target/debug/deps/liballoc_stdlib-5ffbdaf2eede0f9c.rmeta --extern brotli_decompressor=/opt/rustwide/target/debug/deps/libbrotli_decompressor-fbdc5a4f7b526c1a.rmeta --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" "b043c77904e8eee0331b68babdfdb7f1116129c41dfe72407bcbcbb994b7b9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b043c77904e8eee0331b68babdfdb7f1116129c41dfe72407bcbcbb994b7b9cf", kill_on_drop: false }`
[INFO] [stdout] b043c77904e8eee0331b68babdfdb7f1116129c41dfe72407bcbcbb994b7b9cf