[INFO] fetching crate alg_ds 0.3.1...
[INFO] testing alg_ds-0.3.1 against 1.49.0 for beta-1.50-1
[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 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 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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6b35d41ed29835d5405b2c4e9e67636a201bbb2b584002a72bf3e40ef71ab17
[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" "f6b35d41ed29835d5405b2c4e9e67636a201bbb2b584002a72bf3e40ef71ab17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6b35d41ed29835d5405b2c4e9e67636a201bbb2b584002a72bf3e40ef71ab17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b35d41ed29835d5405b2c4e9e67636a201bbb2b584002a72bf3e40ef71ab17", kill_on_drop: false }`
[INFO] [stdout] f6b35d41ed29835d5405b2c4e9e67636a201bbb2b584002a72bf3e40ef71ab17
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] addee3e446a384029dc42bfabc82a00086131cd3f2a86328c31cd2698676f9f5
[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" "addee3e446a384029dc42bfabc82a00086131cd3f2a86328c31cd2698676f9f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling alg_ds v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "addee3e446a384029dc42bfabc82a00086131cd3f2a86328c31cd2698676f9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "addee3e446a384029dc42bfabc82a00086131cd3f2a86328c31cd2698676f9f5", kill_on_drop: false }`
[INFO] [stdout] addee3e446a384029dc42bfabc82a00086131cd3f2a86328c31cd2698676f9f5
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62d4e5888a02e18054c3ce0eb7e11e38ac8b18e4be87d3d3035ef3318c552065
[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" "62d4e5888a02e18054c3ce0eb7e11e38ac8b18e4be87d3d3035ef3318c552065", kill_on_drop: false }`
[INFO] [stderr]    Compiling alg_ds v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "62d4e5888a02e18054c3ce0eb7e11e38ac8b18e4be87d3d3035ef3318c552065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d4e5888a02e18054c3ce0eb7e11e38ac8b18e4be87d3d3035ef3318c552065", kill_on_drop: false }`
[INFO] [stdout] 62d4e5888a02e18054c3ce0eb7e11e38ac8b18e4be87d3d3035ef3318c552065
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb2e96b4a8324daf87a4383fb615fc7b21a9386da8745c529f792ef744af24f9
[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" "bb2e96b4a8324daf87a4383fb615fc7b21a9386da8745c529f792ef744af24f9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/alg_ds-9ce5a05b13eff1ea
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stderr] double free or corruption (out)
[INFO] [stdout] test alg::lcs::tests::lcs_length_ok ... ok
[INFO] [stdout] test alg::search::tests::binary::binary_integer_ok ... ok
[INFO] [stdout] test alg::lcs::tests::lcs_ok ... ok
[INFO] [stdout] test alg::search::tests::binary::binary_float_ok ... ok
[INFO] [stdout] test alg::search::tests::binary::binary_str_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-9ce5a05b13eff1ea` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "bb2e96b4a8324daf87a4383fb615fc7b21a9386da8745c529f792ef744af24f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2e96b4a8324daf87a4383fb615fc7b21a9386da8745c529f792ef744af24f9", kill_on_drop: false }`
[INFO] [stdout] bb2e96b4a8324daf87a4383fb615fc7b21a9386da8745c529f792ef744af24f9