[INFO] fetching crate dlx 0.8.5...
[INFO] fixing dlx-0.8.5 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate dlx 0.8.5 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate dlx 0.8.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dlx 0.8.5
[INFO] tweaked toml for crates.io crate dlx 0.8.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dlx 0.8.5 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dlx 0.8.5 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dlx_omino v0.6.0
[INFO] [stderr]   Downloaded dlx v0.8.4
[INFO] [stderr]   Downloaded embed-doc-image v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c52f6ec80a42da69a7179f810431bf78d649fc64b38b1e07d5560538d0ca65bc
[INFO] running `Command { std: "docker" "start" "c52f6ec80a42da69a7179f810431bf78d649fc64b38b1e07d5560538d0ca65bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c52f6ec80a42da69a7179f810431bf78d649fc64b38b1e07d5560538d0ca65bc" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c52f6ec80a42da69a7179f810431bf78d649fc64b38b1e07d5560538d0ca65bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c52f6ec80a42da69a7179f810431bf78d649fc64b38b1e07d5560538d0ca65bc" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking clap_builder v4.5.48
[INFO] [stderr]     Checking grid v1.0.0
[INFO] [stderr]     Checking dlx v0.8.4
[INFO] [stderr]     Checking dlx v0.8.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking regex-automata v0.4.11
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking clap v4.5.48
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking regex v1.11.3
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]     Checking dlx_omino v0.6.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> benches/dance.rs:19:34
[INFO] [stdout]     |
[INFO] [stdout]  19 |     let mut solver = Solver::new(problem);
[INFO] [stdout]     |                      ----------- ^^^^^^^ expected `&mut _`, found `Problem`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut _`
[INFO] [stdout]                           found struct `dlx::x::Problem`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/lib.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn new(problem: &'a mut P) -> Solver<'a, P> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] help: consider mutably borrowing here
[INFO] [stdout]     |
[INFO] [stdout]  19 |     let mut solver = Solver::new(&mut problem);
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dlx` (bench "dance") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c52f6ec80a42da69a7179f810431bf78d649fc64b38b1e07d5560538d0ca65bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c52f6ec80a42da69a7179f810431bf78d649fc64b38b1e07d5560538d0ca65bc", kill_on_drop: false }`
[INFO] [stdout] c52f6ec80a42da69a7179f810431bf78d649fc64b38b1e07d5560538d0ca65bc
