[INFO] cloning repository https://github.com/andreashdez/n_queens_problem_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreashdez/n_queens_problem_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreashdez%2Fn_queens_problem_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreashdez%2Fn_queens_problem_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3125d50286e0514ab8bfd7623b6f2982475f399a
[INFO] checking andreashdez/n_queens_problem_rust/3125d50286e0514ab8bfd7623b6f2982475f399a against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreashdez%2Fn_queens_problem_rust" "/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/andreashdez/n_queens_problem_rust on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andreashdez/n_queens_problem_rust
[INFO] finished tweaking git repo https://github.com/andreashdez/n_queens_problem_rust
[INFO] tweaked toml for git repo https://github.com/andreashdez/n_queens_problem_rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/andreashdez/n_queens_problem_rust 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a6fea0676fa3105c00aa95e5470104a28463470aedc0b971d768801e48229a1
[INFO] running `Command { std: "docker" "start" "-a" "6a6fea0676fa3105c00aa95e5470104a28463470aedc0b971d768801e48229a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a6fea0676fa3105c00aa95e5470104a28463470aedc0b971d768801e48229a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6fea0676fa3105c00aa95e5470104a28463470aedc0b971d768801e48229a1", kill_on_drop: false }`
[INFO] [stdout] 6a6fea0676fa3105c00aa95e5470104a28463470aedc0b971d768801e48229a1
[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=forbid -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e78faf5bf3362678ed2f466cc660225ace634c7abed5fffcf8fa8b6fe15b337
[INFO] running `Command { std: "docker" "start" "-a" "8e78faf5bf3362678ed2f466cc660225ace634c7abed5fffcf8fa8b6fe15b337", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking simple_logger v5.0.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking n_queens_problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ga/chromosome.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut out_map = HashSet::new();
[INFO] [stdout]    |             ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 52 |     out_map.into_iter().collect::<Vec<_>>()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `n_queens_problem` (bin "n_queens_problem") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ga/chromosome.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut out_map = HashSet::new();
[INFO] [stdout]    |             ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 52 |     out_map.into_iter().collect::<Vec<_>>()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `n_queens_problem` (bin "n_queens_problem" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8e78faf5bf3362678ed2f466cc660225ace634c7abed5fffcf8fa8b6fe15b337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e78faf5bf3362678ed2f466cc660225ace634c7abed5fffcf8fa8b6fe15b337", kill_on_drop: false }`
[INFO] [stdout] 8e78faf5bf3362678ed2f466cc660225ace634c7abed5fffcf8fa8b6fe15b337