[INFO] fetching crate villa01-data-structures 0.2.0...
[INFO] testing villa01-data-structures-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate villa01-data-structures 0.2.0 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate villa01-data-structures 0.2.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2bfb5acff9a7b9a6fa2f59522084efe4ca2a54c76d7222eeeb2ed6eefecf569
[INFO] running `Command { std: "docker" "start" "-a" "e2bfb5acff9a7b9a6fa2f59522084efe4ca2a54c76d7222eeeb2ed6eefecf569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2bfb5acff9a7b9a6fa2f59522084efe4ca2a54c76d7222eeeb2ed6eefecf569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2bfb5acff9a7b9a6fa2f59522084efe4ca2a54c76d7222eeeb2ed6eefecf569", kill_on_drop: false }`
[INFO] [stdout] e2bfb5acff9a7b9a6fa2f59522084efe4ca2a54c76d7222eeeb2ed6eefecf569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 001564e1abf5b22ad1c4527954cb4f841cf68ce44dc34dbe22b23c3db61ce375
[INFO] running `Command { std: "docker" "start" "-a" "001564e1abf5b22ad1c4527954cb4f841cf68ce44dc34dbe22b23c3db61ce375", 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 0.15s
[INFO] running `Command { std: "docker" "inspect" "001564e1abf5b22ad1c4527954cb4f841cf68ce44dc34dbe22b23c3db61ce375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001564e1abf5b22ad1c4527954cb4f841cf68ce44dc34dbe22b23c3db61ce375", kill_on_drop: false }`
[INFO] [stdout] 001564e1abf5b22ad1c4527954cb4f841cf68ce44dc34dbe22b23c3db61ce375
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7074c41547ac483479a64de7a4d94e0cbeadbbc2f3fd5b59b0310b6b5b4fd40b
[INFO] running `Command { std: "docker" "start" "-a" "7074c41547ac483479a64de7a4d94e0cbeadbbc2f3fd5b59b0310b6b5b4fd40b", 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 0.71s
[INFO] running `Command { std: "docker" "inspect" "7074c41547ac483479a64de7a4d94e0cbeadbbc2f3fd5b59b0310b6b5b4fd40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7074c41547ac483479a64de7a4d94e0cbeadbbc2f3fd5b59b0310b6b5b4fd40b", kill_on_drop: false }`
[INFO] [stdout] 7074c41547ac483479a64de7a4d94e0cbeadbbc2f3fd5b59b0310b6b5b4fd40b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9c69022f0c91d1f320312481cfa82cdc07a4fc8ee7d93d138706e2e4b98407f
[INFO] running `Command { std: "docker" "start" "-a" "e9c69022f0c91d1f320312481cfa82cdc07a4fc8ee7d93d138706e2e4b98407f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/villa01_data_structures-829e5123bf84aa1a)
[INFO] [stdout] 
[INFO] [stdout] running 70 tests
[INFO] [stdout] test doubly_linked_list::delete::test::delete_first_element ... ok
[INFO] [stdout] test doubly_linked_list::delete::test::delete_one_middle_element ... 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::delete_multiple_elements ... 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_empty_list ... ok
[INFO] [stdout] test doubly_linked_list::delete_first::test::test_delete_first_multi_item_list ... 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/villa01_data_structures-829e5123bf84aa1a` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "e9c69022f0c91d1f320312481cfa82cdc07a4fc8ee7d93d138706e2e4b98407f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c69022f0c91d1f320312481cfa82cdc07a4fc8ee7d93d138706e2e4b98407f", kill_on_drop: false }`
[INFO] [stdout] e9c69022f0c91d1f320312481cfa82cdc07a4fc8ee7d93d138706e2e4b98407f