[INFO] cloning repository https://github.com/dmyTRUEk/bulls_and_cows_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmyTRUEk/bulls_and_cows_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdmyTRUEk%2Fbulls_and_cows_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdmyTRUEk%2Fbulls_and_cows_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb6ee1a1975ccecb33a146d045306805b9575d50
[INFO] testing dmyTRUEk/bulls_and_cows_rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdmyTRUEk%2Fbulls_and_cows_rs" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmyTRUEk/bulls_and_cows_rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmyTRUEk/bulls_and_cows_rs
[INFO] finished tweaking git repo https://github.com/dmyTRUEk/bulls_and_cows_rs
[INFO] tweaked toml for git repo https://github.com/dmyTRUEk/bulls_and_cows_rs written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/dmyTRUEk/bulls_and_cows_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f02ba3ad7fed884422803bdb4976d8c12180b206064cc4e7b043ad8e018f2d47
[INFO] running `Command { std: "docker" "start" "-a" "f02ba3ad7fed884422803bdb4976d8c12180b206064cc4e7b043ad8e018f2d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f02ba3ad7fed884422803bdb4976d8c12180b206064cc4e7b043ad8e018f2d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02ba3ad7fed884422803bdb4976d8c12180b206064cc4e7b043ad8e018f2d47", kill_on_drop: false }`
[INFO] [stdout] f02ba3ad7fed884422803bdb4976d8c12180b206064cc4e7b043ad8e018f2d47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b8e772394e1eea53ac9b1e75c2e6f91a1c50c16ba1914deb03c5d6416dfe9fd
[INFO] running `Command { std: "docker" "start" "-a" "9b8e772394e1eea53ac9b1e75c2e6f91a1c50c16ba1914deb03c5d6416dfe9fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling bulls_and_cows v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `sum`
[INFO] [stdout]   --> src/main.rs:98:22
[INFO] [stdout]    |
[INFO] [stdout] 98 |         pub const fn sum(self) -> i8 { self.bulls + self.cows }
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `Command { std: "docker" "inspect" "9b8e772394e1eea53ac9b1e75c2e6f91a1c50c16ba1914deb03c5d6416dfe9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b8e772394e1eea53ac9b1e75c2e6f91a1c50c16ba1914deb03c5d6416dfe9fd", kill_on_drop: false }`
[INFO] [stdout] 9b8e772394e1eea53ac9b1e75c2e6f91a1c50c16ba1914deb03c5d6416dfe9fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2534fb0accab077f7e044a2da8dbe0c9cc7c121d81c576cc7ff8061cd43d3020
[INFO] running `Command { std: "docker" "start" "-a" "2534fb0accab077f7e044a2da8dbe0c9cc7c121d81c576cc7ff8061cd43d3020", kill_on_drop: false }`
[INFO] [stderr]    Compiling bulls_and_cows v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `sum`
[INFO] [stdout]   --> src/main.rs:98:22
[INFO] [stdout]    |
[INFO] [stdout] 98 |         pub const fn sum(self) -> i8 { self.bulls + self.cows }
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/bulls_and_cows-4b542d95d9798fcc)
[INFO] running `Command { std: "docker" "inspect" "2534fb0accab077f7e044a2da8dbe0c9cc7c121d81c576cc7ff8061cd43d3020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2534fb0accab077f7e044a2da8dbe0c9cc7c121d81c576cc7ff8061cd43d3020", kill_on_drop: false }`
[INFO] [stdout] 2534fb0accab077f7e044a2da8dbe0c9cc7c121d81c576cc7ff8061cd43d3020
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f35377bcb692f54b2d1ea2ba1934b162ba6f3267e93e7ef6785756ce37ca4242
[INFO] running `Command { std: "docker" "start" "-a" "f35377bcb692f54b2d1ea2ba1934b162ba6f3267e93e7ef6785756ce37ca4242", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `sum`
[INFO] [stderr]   --> src/main.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |         pub const fn sum(self) -> i8 { self.bulls + self.cows }
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bulls_and_cows` (bin "bulls_and_cows" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bulls_and_cows-4b542d95d9798fcc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::exclude ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f35377bcb692f54b2d1ea2ba1934b162ba6f3267e93e7ef6785756ce37ca4242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35377bcb692f54b2d1ea2ba1934b162ba6f3267e93e7ef6785756ce37ca4242", kill_on_drop: false }`
[INFO] [stdout] f35377bcb692f54b2d1ea2ba1934b162ba6f3267e93e7ef6785756ce37ca4242