[INFO] cloning repository https://github.com/DavideCanton/dancing_links
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DavideCanton/dancing_links" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavideCanton%2Fdancing_links", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavideCanton%2Fdancing_links'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f41c724ab18fbd24c18354c5bf41c267e5c1c38a
[INFO] checking DavideCanton/dancing_links/f41c724ab18fbd24c18354c5bf41c267e5c1c38a against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavideCanton%2Fdancing_links" "/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/DavideCanton/dancing_links on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DavideCanton/dancing_links
[INFO] finished tweaking git repo https://github.com/DavideCanton/dancing_links
[INFO] tweaked toml for git repo https://github.com/DavideCanton/dancing_links written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/DavideCanton/dancing_links 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad445a5bcf794edd1220ba1b9e4ded09227ab1bd7aeb9aedc0b7e3dc76e522ff
[INFO] running `Command { std: "docker" "start" "-a" "ad445a5bcf794edd1220ba1b9e4ded09227ab1bd7aeb9aedc0b7e3dc76e522ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad445a5bcf794edd1220ba1b9e4ded09227ab1bd7aeb9aedc0b7e3dc76e522ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad445a5bcf794edd1220ba1b9e4ded09227ab1bd7aeb9aedc0b7e3dc76e522ff", kill_on_drop: false }`
[INFO] [stdout] ad445a5bcf794edd1220ba1b9e4ded09227ab1bd7aeb9aedc0b7e3dc76e522ff
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0cc2402ce8a96007b8ac61cfa69e2ae89e56f976e3d4dbb6cc8f2a1586dcd95
[INFO] running `Command { std: "docker" "start" "-a" "d0cc2402ce8a96007b8ac61cfa69e2ae89e56f976e3d4dbb6cc8f2a1586dcd95", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking anstyle-query v1.1.0
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking clap_lex v0.7.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking bumpalo v3.16.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking clap_builder v4.5.8
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking priority-queue v2.0.3
[INFO] [stderr]     Checking simple_logger v5.0.0
[INFO] [stderr]    Compiling logging_timer_proc_macros v1.1.1
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]     Checking logging_timer v1.1.1
[INFO] [stderr]    Compiling concat-idents v1.1.5
[INFO] [stderr]    Compiling clap_derive v4.5.8
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]     Checking dancing_links_matrix v0.1.0 (/opt/rustwide/workdir/crates/dancing_links_matrix)
[INFO] [stderr]     Checking test-case v3.3.1
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> crates/dancing_links_matrix/src/tests/solver.rs:86:90
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn solve<'a>(solver: &'a IterativeAlgorithmXSolver<'a, usize>) -> Vec<HashMap<usize, Vec<&usize>>> {
[INFO] [stdout]    |          -- lifetime `'a` declared here                                                  ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v4.5.8
[INFO] [stderr]     Checking cmd_common v0.1.0 (/opt/rustwide/workdir/crates/cmd_common)
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/rustwide/workdir/crates/sudoku)
[INFO] [stderr]     Checking nqueens v0.1.0 (/opt/rustwide/workdir/crates/nqueens)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.91s
[INFO] running `Command { std: "docker" "inspect" "d0cc2402ce8a96007b8ac61cfa69e2ae89e56f976e3d4dbb6cc8f2a1586dcd95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0cc2402ce8a96007b8ac61cfa69e2ae89e56f976e3d4dbb6cc8f2a1586dcd95", kill_on_drop: false }`
[INFO] [stdout] d0cc2402ce8a96007b8ac61cfa69e2ae89e56f976e3d4dbb6cc8f2a1586dcd95