[INFO] fetching crate villa01-data-structures 0.2.0...
[INFO] testing villa01-data-structures-0.2.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate villa01-data-structures 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate villa01-data-structures 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate villa01-data-structures 0.2.0
[INFO] tweaked toml for crates.io crate villa01-data-structures 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate villa01-data-structures 0.2.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a43c81a2b263e7482fae6e4b5cfe6e28478a3d2ec4d2557cd6c4a6a52027a074
[INFO] running `Command { std: "docker" "start" "-a" "a43c81a2b263e7482fae6e4b5cfe6e28478a3d2ec4d2557cd6c4a6a52027a074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a43c81a2b263e7482fae6e4b5cfe6e28478a3d2ec4d2557cd6c4a6a52027a074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a43c81a2b263e7482fae6e4b5cfe6e28478a3d2ec4d2557cd6c4a6a52027a074", kill_on_drop: false }`
[INFO] [stdout] a43c81a2b263e7482fae6e4b5cfe6e28478a3d2ec4d2557cd6c4a6a52027a074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f035429d98d7c9ca36cc1cd97ff0c6f6bf1973bb3e458728db2bbf8df6cf181b
[INFO] running `Command { std: "docker" "start" "-a" "f035429d98d7c9ca36cc1cd97ff0c6f6bf1973bb3e458728db2bbf8df6cf181b", kill_on_drop: false }`
[INFO] [stderr]    Compiling villa01-data-structures v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "f035429d98d7c9ca36cc1cd97ff0c6f6bf1973bb3e458728db2bbf8df6cf181b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f035429d98d7c9ca36cc1cd97ff0c6f6bf1973bb3e458728db2bbf8df6cf181b", kill_on_drop: false }`
[INFO] [stdout] f035429d98d7c9ca36cc1cd97ff0c6f6bf1973bb3e458728db2bbf8df6cf181b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6f13debcd4d57e9f3565f57a959bbc185855dd0d2cdf1e1644db1b79aa60b714
[INFO] running `Command { std: "docker" "start" "-a" "6f13debcd4d57e9f3565f57a959bbc185855dd0d2cdf1e1644db1b79aa60b714", kill_on_drop: false }`
[INFO] [stderr]    Compiling villa01-data-structures v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "6f13debcd4d57e9f3565f57a959bbc185855dd0d2cdf1e1644db1b79aa60b714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f13debcd4d57e9f3565f57a959bbc185855dd0d2cdf1e1644db1b79aa60b714", kill_on_drop: false }`
[INFO] [stdout] 6f13debcd4d57e9f3565f57a959bbc185855dd0d2cdf1e1644db1b79aa60b714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 0fddbd6f548ddcf95fa168bacedb0d696d63b80d3e4052358fde9ad528322f50
[INFO] running `Command { std: "docker" "start" "-a" "0fddbd6f548ddcf95fa168bacedb0d696d63b80d3e4052358fde9ad528322f50", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/villa01_data_structures-27dfecb569ce05be)
[INFO] [stdout] 
[INFO] [stdout] running 70 tests
[INFO] [stdout] test doubly_linked_list::delete::test::delete_multiple_elements ... ok
[INFO] [stdout] test doubly_linked_list::delete::test::delete_last_element ... ok
[INFO] [stdout] test doubly_linked_list::delete::test::length_should_decrease ... ok
[INFO] [stdout] test doubly_linked_list::delete::test::in_of_bounds ... ok
[INFO] [stdout] test doubly_linked_list::delete_first::test::test_delete_first_multi_item_list ... ok
[INFO] [stdout] test doubly_linked_list::delete_first::test::test_delete_first_one_item_list ... ok
[INFO] [stdout] test doubly_linked_list::delete_first::test::test_delete_until_empty ... ok
[INFO] [stdout] test doubly_linked_list::delete::test::delete_first_element ... ok
[INFO] [stdout] test doubly_linked_list::delete_last::test::test_delete_first_multi_item_list ... ok
[INFO] [stdout] test doubly_linked_list::delete_first::test::test_list_integrity_after_delete_first ... ok
[INFO] [stdout] test doubly_linked_list::delete_last::test::test_delete_last_empty_list ... ok
[INFO] [stdout] test doubly_linked_list::delete::test::delete_one_middle_element ... ok
[INFO] [stdout] test doubly_linked_list::delete_first::test::test_delete_first_empty_list ... ok
[INFO] [stdout] test doubly_linked_list::delete_last::test::test_delete_last_one_item_list ... ok
[INFO] [stdout] test doubly_linked_list::get_first::test::test_get_first_verify_inmutable ... ok
[INFO] [stdout] test doubly_linked_list::get::test::test_at_zero ... ok
[INFO] [stdout] test doubly_linked_list::get_last::test::test_get_last_empty_list ... ok
[INFO] [stdout] test doubly_linked_list::get_first_mut::test::test_get_first_empty_list ... ok
[INFO] [stdout] test doubly_linked_list::get::test::test_with_several_nodes_from_start ... ok
[INFO] [stdout] test doubly_linked_list::get_last::test::test_get_last ... ok
[INFO] [stdout] test doubly_linked_list::get_first_mut::test::test_get_first ... ok
[INFO] [stdout] test doubly_linked_list::get::test::test_with_several_nodes_from_end ... ok
[INFO] [stdout] test doubly_linked_list::get_mut::test::test_at_zero ... ok
[INFO] [stdout] test doubly_linked_list::get::test::test_at_len ... ok
[INFO] [stdout] test doubly_linked_list::get_last_mut::test::test_get_last ... ok
[INFO] [stdout] test doubly_linked_list::delete_last::test::test_delete_until_empty ... 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/x86_64-unknown-linux-musl/debug/deps/villa01_data_structures-27dfecb569ce05be` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "0fddbd6f548ddcf95fa168bacedb0d696d63b80d3e4052358fde9ad528322f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fddbd6f548ddcf95fa168bacedb0d696d63b80d3e4052358fde9ad528322f50", kill_on_drop: false }`
[INFO] [stdout] 0fddbd6f548ddcf95fa168bacedb0d696d63b80d3e4052358fde9ad528322f50