[INFO] cloning repository https://github.com/conradludgate/linked_list_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conradludgate/linked_list_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Flinked_list_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Flinked_list_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26ad109e6f4d14e5cc2c2ccb1f5fb497abcaa223
[INFO] testing conradludgate/linked_list_rs against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Flinked_list_rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/conradludgate/linked_list_rs on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/conradludgate/linked_list_rs
[INFO] finished tweaking git repo https://github.com/conradludgate/linked_list_rs
[INFO] tweaked toml for git repo https://github.com/conradludgate/linked_list_rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/conradludgate/linked_list_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded testdrop v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc78ac81182eff3d8b11a46ff6c241c064f96847e79226d40a730d7d66a6ae45
[INFO] running `Command { std: "docker" "start" "-a" "dc78ac81182eff3d8b11a46ff6c241c064f96847e79226d40a730d7d66a6ae45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc78ac81182eff3d8b11a46ff6c241c064f96847e79226d40a730d7d66a6ae45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc78ac81182eff3d8b11a46ff6c241c064f96847e79226d40a730d7d66a6ae45", kill_on_drop: false }`
[INFO] [stdout] dc78ac81182eff3d8b11a46ff6c241c064f96847e79226d40a730d7d66a6ae45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 505abeb8113ccf55b1a02e9ab151f691fabe8825bcb443d2b8357dd1748c8be4
[INFO] running `Command { std: "docker" "start" "-a" "505abeb8113ccf55b1a02e9ab151f691fabe8825bcb443d2b8357dd1748c8be4", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked_list_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `bad_code`
[INFO] [stdout]  --> src/lib.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![allow(bad_code)]
[INFO] [stdout]   |          ^^^^^^^^ help: did you mean: `dead_code`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "505abeb8113ccf55b1a02e9ab151f691fabe8825bcb443d2b8357dd1748c8be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505abeb8113ccf55b1a02e9ab151f691fabe8825bcb443d2b8357dd1748c8be4", kill_on_drop: false }`
[INFO] [stdout] 505abeb8113ccf55b1a02e9ab151f691fabe8825bcb443d2b8357dd1748c8be4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ca673e161f9ca658b8fd6e447fb96af8db9a8ad031d522ab08edd5d376416bd
[INFO] running `Command { std: "docker" "start" "-a" "7ca673e161f9ca658b8fd6e447fb96af8db9a8ad031d522ab08edd5d376416bd", kill_on_drop: false }`
[INFO] [stdout] warning: unknown lint: `bad_code`
[INFO] [stdout]  --> src/lib.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![allow(bad_code)]
[INFO] [stdout]   |          ^^^^^^^^ help: did you mean: `dead_code`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling testdrop v0.1.2
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling linked_list_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `bad_code`
[INFO] [stdout]  --> src/lib.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![allow(bad_code)]
[INFO] [stdout]   |          ^^^^^^^^ help: did you mean: `dead_code`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:349:32
[INFO] [stdout]     |
[INFO] [stdout] 349 |     struct DropCheck<T>(T, Box<FnMut()>);
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 349 |     struct DropCheck<T>(T, Box<dyn FnMut()>);
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "7ca673e161f9ca658b8fd6e447fb96af8db9a8ad031d522ab08edd5d376416bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca673e161f9ca658b8fd6e447fb96af8db9a8ad031d522ab08edd5d376416bd", kill_on_drop: false }`
[INFO] [stdout] 7ca673e161f9ca658b8fd6e447fb96af8db9a8ad031d522ab08edd5d376416bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 452830e12629796a350b8fb9cf6a3388012c174787dad9e8e46cdac0a95e94c8
[INFO] running `Command { std: "docker" "start" "-a" "452830e12629796a350b8fb9cf6a3388012c174787dad9e8e46cdac0a95e94c8", kill_on_drop: false }`
[INFO] [stderr] warning: unknown lint: `bad_code`
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:5:10
[INFO] [stdout] running 5 tests
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![allow(bad_code)]
[INFO] [stderr]   |          ^^^^^^^^ help: did you mean: `dead_code`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `linked_list_rs` (lib) generated 1 warning
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:349:32
[INFO] [stderr]     |
[INFO] [stderr] 349 |     struct DropCheck<T>(T, Box<FnMut()>);
[INFO] [stderr]     |                                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 349 |     struct DropCheck<T>(T, Box<dyn FnMut()>);
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `linked_list_rs` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p linked_list_rs --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linked_list_rs-2af81b44f4ba2b6b)
[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/linked_list_rs-2af81b44f4ba2b6b` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "452830e12629796a350b8fb9cf6a3388012c174787dad9e8e46cdac0a95e94c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452830e12629796a350b8fb9cf6a3388012c174787dad9e8e46cdac0a95e94c8", kill_on_drop: false }`
[INFO] [stdout] 452830e12629796a350b8fb9cf6a3388012c174787dad9e8e46cdac0a95e94c8
