[INFO] crate claw 0.1.0-alpha2 is already in cache
[INFO] testing claw-0.1.0-alpha2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate claw 0.1.0-alpha2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate claw 0.1.0-alpha2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-6/source/Cargo.toml
[INFO] crate crates.io crate claw 0.1.0-alpha2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ea58b59a79e86c2894a587cf4d2f7221cdf41daf3e4d253ce7ef6916da5a2c0
[INFO] running `"docker" "start" "-a" "1ea58b59a79e86c2894a587cf4d2f7221cdf41daf3e4d253ce7ef6916da5a2c0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling simple-logging v2.0.2
[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 11.20s
[INFO] running `"docker" "inspect" "1ea58b59a79e86c2894a587cf4d2f7221cdf41daf3e4d253ce7ef6916da5a2c0"`
[INFO] running `"docker" "rm" "-f" "1ea58b59a79e86c2894a587cf4d2f7221cdf41daf3e4d253ce7ef6916da5a2c0"`
[INFO] [stdout] 1ea58b59a79e86c2894a587cf4d2f7221cdf41daf3e4d253ce7ef6916da5a2c0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a6a1f55aacfa2b54815924a441ec59fffe8830ac8061991e093b1983e24a5e6
[INFO] running `"docker" "start" "-a" "9a6a1f55aacfa2b54815924a441ec59fffe8830ac8061991e093b1983e24a5e6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling claw v0.1.0-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `"docker" "inspect" "9a6a1f55aacfa2b54815924a441ec59fffe8830ac8061991e093b1983e24a5e6"`
[INFO] running `"docker" "rm" "-f" "9a6a1f55aacfa2b54815924a441ec59fffe8830ac8061991e093b1983e24a5e6"`
[INFO] [stdout] 9a6a1f55aacfa2b54815924a441ec59fffe8830ac8061991e093b1983e24a5e6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1191d2ea615d8af217d557352fbf20a46a84491197a8510f9b1c14bd9536ab2c
[INFO] running `"docker" "start" "-a" "1191d2ea615d8af217d557352fbf20a46a84491197a8510f9b1c14bd9536ab2c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/claw-6f3d20f0635597a1
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] thread 'inverted_index::tests::test_gen_ii' has overflowed its stack
[INFO] [stdout] running 4 tests
[INFO] [stderr] fatal runtime error: stack overflow
[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-6f3d20f0635597a1` (signal: 6, SIGABRT: process abort signal)
[INFO] running `"docker" "inspect" "1191d2ea615d8af217d557352fbf20a46a84491197a8510f9b1c14bd9536ab2c"`
[INFO] running `"docker" "rm" "-f" "1191d2ea615d8af217d557352fbf20a46a84491197a8510f9b1c14bd9536ab2c"`
[INFO] [stdout] 1191d2ea615d8af217d557352fbf20a46a84491197a8510f9b1c14bd9536ab2c