[INFO] fetching crate claw 0.1.0-alpha2...
[INFO] testing claw-0.1.0-alpha2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate claw 0.1.0-alpha2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate claw 0.1.0-alpha2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76405d0fd10f65b813918f40f1bf6c6d1b6d9e03a70ec2ce00dc2680589ec697
[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" "76405d0fd10f65b813918f40f1bf6c6d1b6d9e03a70ec2ce00dc2680589ec697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76405d0fd10f65b813918f40f1bf6c6d1b6d9e03a70ec2ce00dc2680589ec697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76405d0fd10f65b813918f40f1bf6c6d1b6d9e03a70ec2ce00dc2680589ec697", kill_on_drop: false }`
[INFO] [stdout] 76405d0fd10f65b813918f40f1bf6c6d1b6d9e03a70ec2ce00dc2680589ec697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] a0742e37b7024c7e1a7dd15d6b04992be17eb7b9817b9cba75e7db96cd3f20eb
[INFO] running `Command { std: "docker" "start" "-a" "a0742e37b7024c7e1a7dd15d6b04992be17eb7b9817b9cba75e7db96cd3f20eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[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 aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[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 12.16s
[INFO] running `Command { std: "docker" "inspect" "a0742e37b7024c7e1a7dd15d6b04992be17eb7b9817b9cba75e7db96cd3f20eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0742e37b7024c7e1a7dd15d6b04992be17eb7b9817b9cba75e7db96cd3f20eb", kill_on_drop: false }`
[INFO] [stdout] a0742e37b7024c7e1a7dd15d6b04992be17eb7b9817b9cba75e7db96cd3f20eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feb08b44670f825b31bb31296b60217448968bcba8d4c36dd872703093b05fac
[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" "feb08b44670f825b31bb31296b60217448968bcba8d4c36dd872703093b05fac", kill_on_drop: false }`
[INFO] [stderr]    Compiling claw v0.1.0-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "feb08b44670f825b31bb31296b60217448968bcba8d4c36dd872703093b05fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb08b44670f825b31bb31296b60217448968bcba8d4c36dd872703093b05fac", kill_on_drop: false }`
[INFO] [stdout] feb08b44670f825b31bb31296b60217448968bcba8d4c36dd872703093b05fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c3a4411ffbcce20a67a4db83c0b843cff3e59d6717643d19bddefa2cddccefc
[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" "8c3a4411ffbcce20a67a4db83c0b843cff3e59d6717643d19bddefa2cddccefc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/claw-6eccf698bc31b664)
[INFO] [stderr] 
[INFO] [stderr] thread 'inverted_index::tests::test_gen_ii' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[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-6eccf698bc31b664` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "8c3a4411ffbcce20a67a4db83c0b843cff3e59d6717643d19bddefa2cddccefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3a4411ffbcce20a67a4db83c0b843cff3e59d6717643d19bddefa2cddccefc", kill_on_drop: false }`
[INFO] [stdout] 8c3a4411ffbcce20a67a4db83c0b843cff3e59d6717643d19bddefa2cddccefc