[INFO] fetching crate sudoku 0.7.0...
[INFO] checking sudoku-0.7.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate sudoku 0.7.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate sudoku 0.7.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sudoku 0.7.0
[INFO] finished tweaking crates.io crate sudoku 0.7.0
[INFO] tweaked toml for crates.io crate sudoku 0.7.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding rand v0.5.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4abf436994efc667c83e751f8db1eddb02be05b1c99d15bf80fccbc4deda58e6
[INFO] running `Command { std: "docker" "start" "-a" "4abf436994efc667c83e751f8db1eddb02be05b1c99d15bf80fccbc4deda58e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4abf436994efc667c83e751f8db1eddb02be05b1c99d15bf80fccbc4deda58e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4abf436994efc667c83e751f8db1eddb02be05b1c99d15bf80fccbc4deda58e6", kill_on_drop: false }`
[INFO] [stdout] 4abf436994efc667c83e751f8db1eddb02be05b1c99d15bf80fccbc4deda58e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 347c8875ced8d5fb0116f35cb09dfd29e574d5bee6ff124bb4f3885d51f2d50b
[INFO] running `Command { std: "docker" "start" "-a" "347c8875ced8d5fb0116f35cb09dfd29e574d5bee6ff124bb4f3885d51f2d50b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking sudoku v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0624]: associated constant `ALL` is private
[INFO] [stdout]    --> benches/lib.rs:120:32
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let strategies = Strategy::ALL;
[INFO] [stdout]     |                                ^^^ private associated constant
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/strategy/strategies/mod.rs:37:2
[INFO] [stdout]     |
[INFO] [stdout] 37  |     pub(crate) const ALL: &'static [Strategy] = &[
[INFO] [stdout]     |     ----------------------------------------- private associated constant defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated constant `ALL` is private
[INFO] [stdout]    --> benches/lib.rs:132:32
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let strategies = Strategy::ALL;
[INFO] [stdout]     |                                ^^^ private associated constant
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/strategy/strategies/mod.rs:37:2
[INFO] [stdout]     |
[INFO] [stdout] 37  |     pub(crate) const ALL: &'static [Strategy] = &[
[INFO] [stdout]     |     ----------------------------------------- private associated constant defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0624`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sudoku` (bench "lib") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "347c8875ced8d5fb0116f35cb09dfd29e574d5bee6ff124bb4f3885d51f2d50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347c8875ced8d5fb0116f35cb09dfd29e574d5bee6ff124bb4f3885d51f2d50b", kill_on_drop: false }`
[INFO] [stdout] 347c8875ced8d5fb0116f35cb09dfd29e574d5bee6ff124bb4f3885d51f2d50b