[INFO] crate alg_ds 0.3.1 is already in cache
[INFO] testing alg_ds-0.3.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate alg_ds 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate alg_ds 0.3.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate alg_ds 0.3.1
[INFO] finished tweaking crates.io crate alg_ds 0.3.1
[INFO] tweaked toml for crates.io crate alg_ds 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 0ffee5b9977d73f7b03697370090649c90dd0e423f4ee78e4c6a4b4e7ab9ea9a
[INFO] running `"docker" "start" "-a" "0ffee5b9977d73f7b03697370090649c90dd0e423f4ee78e4c6a4b4e7ab9ea9a"`
[INFO] [stderr]    Compiling alg_ds v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "0ffee5b9977d73f7b03697370090649c90dd0e423f4ee78e4c6a4b4e7ab9ea9a"`
[INFO] running `"docker" "rm" "-f" "0ffee5b9977d73f7b03697370090649c90dd0e423f4ee78e4c6a4b4e7ab9ea9a"`
[INFO] [stdout] 0ffee5b9977d73f7b03697370090649c90dd0e423f4ee78e4c6a4b4e7ab9ea9a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] d09fda3e6f62f88a1a70852daeb41704716336d6216b2c50e8db777be1f45e20
[INFO] running `"docker" "start" "-a" "d09fda3e6f62f88a1a70852daeb41704716336d6216b2c50e8db777be1f45e20"`
[INFO] [stderr]    Compiling alg_ds v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "d09fda3e6f62f88a1a70852daeb41704716336d6216b2c50e8db777be1f45e20"`
[INFO] running `"docker" "rm" "-f" "d09fda3e6f62f88a1a70852daeb41704716336d6216b2c50e8db777be1f45e20"`
[INFO] [stdout] d09fda3e6f62f88a1a70852daeb41704716336d6216b2c50e8db777be1f45e20
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 354abcaf0cc7f1557e0411466425b1a89baad1a35ac5827945f66a507a195a56
[INFO] running `"docker" "start" "-a" "354abcaf0cc7f1557e0411466425b1a89baad1a35ac5827945f66a507a195a56"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/alg_ds-8000e27d3fce6929
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test alg::search::tests::min_ok ... ok
[INFO] [stdout] test alg::search::tests::max_ok ... ok
[INFO] [stdout] test alg::sort::tests::quick_ok ... ok
[INFO] [stdout] test alg::sort::tests::selection_ok ... ok
[INFO] [stdout] test ds::matrix::tests::add_ok ... ok
[INFO] [stdout] test alg::lcs::tests::lcs_ok ... ok
[INFO] [stderr] double free or corruption (out)
[INFO] [stdout] test alg::lcs::tests::lcs_length_ok ... ok
[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/alg_ds-8000e27d3fce6929` (signal: 6, SIGABRT: process abort signal)
[INFO] running `"docker" "inspect" "354abcaf0cc7f1557e0411466425b1a89baad1a35ac5827945f66a507a195a56"`
[INFO] running `"docker" "rm" "-f" "354abcaf0cc7f1557e0411466425b1a89baad1a35ac5827945f66a507a195a56"`
[INFO] [stdout] 354abcaf0cc7f1557e0411466425b1a89baad1a35ac5827945f66a507a195a56