[INFO] cloning repository https://github.com/yerlikovboy/sudoku_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yerlikovboy/sudoku_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyerlikovboy%2Fsudoku_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyerlikovboy%2Fsudoku_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5796b7c26ab430d464e76a8d313a29c5d6c66a4b
[INFO] checking yerlikovboy/sudoku_generator against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyerlikovboy%2Fsudoku_generator" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yerlikovboy/sudoku_generator on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yerlikovboy/sudoku_generator
[INFO] finished tweaking git repo https://github.com/yerlikovboy/sudoku_generator
[INFO] tweaked toml for git repo https://github.com/yerlikovboy/sudoku_generator written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/yerlikovboy/sudoku_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a64e18c7380a534d740403f7152b60b7f351a988d5947e6f8a439985752e8ddb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a64e18c7380a534d740403f7152b60b7f351a988d5947e6f8a439985752e8ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a64e18c7380a534d740403f7152b60b7f351a988d5947e6f8a439985752e8ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64e18c7380a534d740403f7152b60b7f351a988d5947e6f8a439985752e8ddb", kill_on_drop: false }`
[INFO] [stdout] a64e18c7380a534d740403f7152b60b7f351a988d5947e6f8a439985752e8ddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3311c17ffc0c2aeb188c008058798b037a7be5f70299794331a4201250ef5f3a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3311c17ffc0c2aeb188c008058798b037a7be5f70299794331a4201250ef5f3a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking sudoku v0.1.0 (https://github.com/yerlikovboy/sudoku#21fa9b13)
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking sudoku_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `cmd::Config` in the current scope
[INFO] [stdout]    --> src/cmd.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 9   | pub struct Config {
[INFO] [stdout]     | ----------------- function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 117 |             (Config::new(20, Algorithm::Brute), (20, Algorithm::Brute)),
[INFO] [stdout]     |                      ^^^ function or associated item not found in `cmd::Config`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `new`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `UniformSampler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `cmd::Config` in the current scope
[INFO] [stdout]    --> src/cmd.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 9   | pub struct Config {
[INFO] [stdout]     | ----------------- function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 119 |                 Config::new(10, Algorithm::Diagonal),
[INFO] [stdout]     |                         ^^^ function or associated item not found in `cmd::Config`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `new`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `UniformSampler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/gen/diag.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |         generate(1000);
[INFO] [stdout]    |                  ^^^^ expected `&cmd::Config`, found integer
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sudoku_generator`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3311c17ffc0c2aeb188c008058798b037a7be5f70299794331a4201250ef5f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3311c17ffc0c2aeb188c008058798b037a7be5f70299794331a4201250ef5f3a", kill_on_drop: false }`
[INFO] [stdout] 3311c17ffc0c2aeb188c008058798b037a7be5f70299794331a4201250ef5f3a