[INFO] cloning repository https://github.com/pontakornth/mastermind-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pontakornth/mastermind-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpontakornth%2Fmastermind-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpontakornth%2Fmastermind-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8043ba9f02ae19437c33db257ff31f3cc8182711
[INFO] testing pontakornth/mastermind-rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpontakornth%2Fmastermind-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pontakornth/mastermind-rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pontakornth/mastermind-rust
[INFO] finished tweaking git repo https://github.com/pontakornth/mastermind-rust
[INFO] tweaked toml for git repo https://github.com/pontakornth/mastermind-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/pontakornth/mastermind-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85f234f1172089070810e035b9a7f8b97c993577de370371e0c5b8e7da23ab8b
[INFO] running `Command { std: "docker" "start" "-a" "85f234f1172089070810e035b9a7f8b97c993577de370371e0c5b8e7da23ab8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85f234f1172089070810e035b9a7f8b97c993577de370371e0c5b8e7da23ab8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f234f1172089070810e035b9a7f8b97c993577de370371e0c5b8e7da23ab8b", kill_on_drop: false }`
[INFO] [stdout] 85f234f1172089070810e035b9a7f8b97c993577de370371e0c5b8e7da23ab8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c25d4b5487c172bbe950368bd4ce34d8c6309da1205eb90573b4ccd02a44ae4
[INFO] running `Command { std: "docker" "start" "-a" "6c25d4b5487c172bbe950368bd4ce34d8c6309da1205eb90573b4ccd02a44ae4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mastermind-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private type `MastermindError` in public interface (error E0446)
[INFO] [stdout]   --> src/mastermind.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn guess(&self, input: &str) -> Result<Hint,MastermindError> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "6c25d4b5487c172bbe950368bd4ce34d8c6309da1205eb90573b4ccd02a44ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c25d4b5487c172bbe950368bd4ce34d8c6309da1205eb90573b4ccd02a44ae4", kill_on_drop: false }`
[INFO] [stdout] 6c25d4b5487c172bbe950368bd4ce34d8c6309da1205eb90573b4ccd02a44ae4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a0257b29b3e61d1adc51b9eec18d954d26e13bd2269d27a464e66658d8ec2e3
[INFO] running `Command { std: "docker" "start" "-a" "0a0257b29b3e61d1adc51b9eec18d954d26e13bd2269d27a464e66658d8ec2e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mastermind-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private type `MastermindError` in public interface (error E0446)
[INFO] [stdout]   --> src/mastermind.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn guess(&self, input: &str) -> Result<Hint,MastermindError> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.50s
[INFO] running `Command { std: "docker" "inspect" "0a0257b29b3e61d1adc51b9eec18d954d26e13bd2269d27a464e66658d8ec2e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0257b29b3e61d1adc51b9eec18d954d26e13bd2269d27a464e66658d8ec2e3", kill_on_drop: false }`
[INFO] [stdout] 0a0257b29b3e61d1adc51b9eec18d954d26e13bd2269d27a464e66658d8ec2e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04173103264a4da256704b630ee804c12244ab93ed400778ef833378863b71e4
[INFO] running `Command { std: "docker" "start" "-a" "04173103264a4da256704b630ee804c12244ab93ed400778ef833378863b71e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: private type `MastermindError` in public interface (error E0446)
[INFO] [stderr]   --> src/mastermind.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn guess(&self, input: &str) -> Result<Hint,MastermindError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: `mastermind-rust` (bin "mastermind-rust" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 47.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mastermind_rust-8e80fef0d6f81adc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04173103264a4da256704b630ee804c12244ab93ed400778ef833378863b71e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04173103264a4da256704b630ee804c12244ab93ed400778ef833378863b71e4", kill_on_drop: false }`
[INFO] [stdout] 04173103264a4da256704b630ee804c12244ab93ed400778ef833378863b71e4