[INFO] fetching crate claw 0.1.0-alpha2...
[INFO] testing claw-0.1.0-alpha2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate claw 0.1.0-alpha2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate claw 0.1.0-alpha2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate claw 0.1.0-alpha2
[INFO] finished tweaking crates.io crate claw 0.1.0-alpha2
[INFO] tweaked toml for crates.io crate claw 0.1.0-alpha2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate claw 0.1.0-alpha2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9febde2e29734405c277fa0a9c43371258e7cbfddaa1d6dd7d2c1b85bfea82e7
[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" "9febde2e29734405c277fa0a9c43371258e7cbfddaa1d6dd7d2c1b85bfea82e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9febde2e29734405c277fa0a9c43371258e7cbfddaa1d6dd7d2c1b85bfea82e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9febde2e29734405c277fa0a9c43371258e7cbfddaa1d6dd7d2c1b85bfea82e7", kill_on_drop: false }`
[INFO] [stdout] 9febde2e29734405c277fa0a9c43371258e7cbfddaa1d6dd7d2c1b85bfea82e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] acdf373b66644ed19edcbe702541b69dffec886948b532ac8faca127f812206d
[INFO] running `Command { std: "docker" "start" "-a" "acdf373b66644ed19edcbe702541b69dffec886948b532ac8faca127f812206d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling simple-logging v2.0.2
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling claw v0.1.0-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.89s
[INFO] running `Command { std: "docker" "inspect" "acdf373b66644ed19edcbe702541b69dffec886948b532ac8faca127f812206d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acdf373b66644ed19edcbe702541b69dffec886948b532ac8faca127f812206d", kill_on_drop: false }`
[INFO] [stdout] acdf373b66644ed19edcbe702541b69dffec886948b532ac8faca127f812206d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0820b33cc622c32b3d887a4f6eaf131768f9d1c3b9e45d89bbcf9c72bd6b160
[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" "d0820b33cc622c32b3d887a4f6eaf131768f9d1c3b9e45d89bbcf9c72bd6b160", kill_on_drop: false }`
[INFO] [stderr]    Compiling claw v0.1.0-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "d0820b33cc622c32b3d887a4f6eaf131768f9d1c3b9e45d89bbcf9c72bd6b160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0820b33cc622c32b3d887a4f6eaf131768f9d1c3b9e45d89bbcf9c72bd6b160", kill_on_drop: false }`
[INFO] [stdout] d0820b33cc622c32b3d887a4f6eaf131768f9d1c3b9e45d89bbcf9c72bd6b160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d89281a31d3ee945d2145402fdf2daba18ecf379830d8aa1e75e6b13f4ff424d
[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" "d89281a31d3ee945d2145402fdf2daba18ecf379830d8aa1e75e6b13f4ff424d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/claw-9451fc9ff502b92a
[INFO] [stdout] running 4 tests
[INFO] [stderr] 
[INFO] [stderr] thread '
[INFO] [stderr] thread 'inverted_index::tests::test_gen_iiinverted_index::tests::test_intersect' has overflowed its stack
[INFO] [stderr] ' has overflowed its stack
[INFO] [stderr] fatal runtime error: fatal runtime error: stack overflowstack overflow
[INFO] [stderr] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/claw-9451fc9ff502b92a` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "d89281a31d3ee945d2145402fdf2daba18ecf379830d8aa1e75e6b13f4ff424d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89281a31d3ee945d2145402fdf2daba18ecf379830d8aa1e75e6b13f4ff424d", kill_on_drop: false }`
[INFO] [stdout] d89281a31d3ee945d2145402fdf2daba18ecf379830d8aa1e75e6b13f4ff424d