[INFO] fetching crate kv-assets 0.2.3...
[INFO] testing kv-assets-0.2.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate kv-assets 0.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate kv-assets 0.2.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kv-assets 0.2.3
[INFO] finished tweaking crates.io crate kv-assets 0.2.3
[INFO] tweaked toml for crates.io crate kv-assets 0.2.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate kv-assets 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.8
[INFO] [stderr]   Downloaded security-framework-sys v1.0.0
[INFO] [stderr]   Downloaded serde_with v1.6.4
[INFO] [stderr]   Downloaded console v0.13.0
[INFO] [stderr]   Downloaded eventual v0.1.7
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.20
[INFO] [stderr]   Downloaded is_executable v0.1.2
[INFO] [stderr]   Downloaded console v0.11.3
[INFO] [stderr]   Downloaded slog-kvfilter v0.7.0
[INFO] [stderr]   Downloaded binary-install v0.0.3-alpha.1
[INFO] [stderr]   Downloaded syncbox v0.2.4
[INFO] [stderr]   Downloaded billboard v0.1.0
[INFO] [stderr]   Downloaded cloudflare v0.6.6
[INFO] [stderr]   Downloaded sloggers v0.3.6
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.20
[INFO] [stderr]   Downloaded security-framework v1.0.0
[INFO] [stderr]   Downloaded async-trait v0.1.42
[INFO] [stderr]   Downloaded serde_qs v0.4.6
[INFO] [stderr]   Downloaded hyper-rustls v0.21.0
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded darling_core v0.12.0
[INFO] [stderr]   Downloaded tar v0.4.32
[INFO] [stderr]   Downloaded exitfailure v0.5.1
[INFO] [stderr]   Downloaded tokio-native-tls v0.1.0
[INFO] [stderr]   Downloaded number_prefix v0.4.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.4.0
[INFO] [stderr]   Downloaded ignore v0.4.17
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded serde_with_macros v1.4.1
[INFO] [stderr]   Downloaded ct-logs v0.7.0
[INFO] [stderr]   Downloaded darling_macro v0.12.0
[INFO] [stderr]   Downloaded darling v0.12.0
[INFO] [stderr]   Downloaded curl-sys v0.4.40+curl-7.75.0
[INFO] [stderr]   Downloaded wrangler v1.13.0
[INFO] [stderr]   Downloaded openssl-src v111.13.0+1.1.1i
[INFO] [stderr]   Downloaded chrome-devtools-rs v0.0.0-alpha.2
[INFO] [stderr]   Downloaded ws v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77f2263f80221c495cec2fe17c4813e39d409baf142f930234288a360e93e703
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "77f2263f80221c495cec2fe17c4813e39d409baf142f930234288a360e93e703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77f2263f80221c495cec2fe17c4813e39d409baf142f930234288a360e93e703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f2263f80221c495cec2fe17c4813e39d409baf142f930234288a360e93e703", kill_on_drop: false }`
[INFO] [stdout] 77f2263f80221c495cec2fe17c4813e39d409baf142f930234288a360e93e703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5fa22545b34231ff3d291a71c44f3a199b71ed32c435f6ece835b14f2d526f3e
[INFO] running `Command { std: "docker" "start" "-a" "5fa22545b34231ff3d291a71c44f3a199b71ed32c435f6ece835b14f2d526f3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling arc-swap v1.2.0
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling wrangler v1.13.0
[INFO] [stderr]    Compiling is_executable v0.1.2
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling openssl-src v111.13.0+1.1.1i
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.40+curl-7.75.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling tracing v0.1.23
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling slog-scope v4.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling syncbox v0.2.4
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling tar v0.4.32
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling darling_core v0.12.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling slog-async v2.6.0
[INFO] [stderr]    Compiling eventual v0.1.7
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.4.3/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="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=1a5d09d8915c8300 -C extra-filename=-1a5d09d8915c8300 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-8d02b7dede2cb981.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-21530b60453b0d1f.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-ea33e0b70ada9cfe.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-4a1b31fc5784c363.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" "5fa22545b34231ff3d291a71c44f3a199b71ed32c435f6ece835b14f2d526f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa22545b34231ff3d291a71c44f3a199b71ed32c435f6ece835b14f2d526f3e", kill_on_drop: false }`
[INFO] [stdout] 5fa22545b34231ff3d291a71c44f3a199b71ed32c435f6ece835b14f2d526f3e