[INFO] cloning repository https://github.com/gahooa/sud999
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gahooa/sud999" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgahooa%2Fsud999", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgahooa%2Fsud999'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bc7e708de14ea58b0f0d88beeee76d72817efeb
[INFO] testing gahooa/sud999 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgahooa%2Fsud999" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gahooa/sud999 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gahooa/sud999
[INFO] finished tweaking git repo https://github.com/gahooa/sud999
[INFO] tweaked toml for git repo https://github.com/gahooa/sud999 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/gahooa/sud999 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lua-src v543.1.0
[INFO] [stderr]   Downloaded luajit-src v210.3.1+restycd2285f
[INFO] [stderr]   Downloaded mlua v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50259b5b9b482f2db5d707b2621a62a784021b972b56635d68800a6e2506f003
[INFO] running `Command { std: "docker" "start" "-a" "50259b5b9b482f2db5d707b2621a62a784021b972b56635d68800a6e2506f003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50259b5b9b482f2db5d707b2621a62a784021b972b56635d68800a6e2506f003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50259b5b9b482f2db5d707b2621a62a784021b972b56635d68800a6e2506f003", kill_on_drop: false }`
[INFO] [stdout] 50259b5b9b482f2db5d707b2621a62a784021b972b56635d68800a6e2506f003
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c01c36e32c1532d71d2bbabb70e84b12e728dba8568d5212506a2644feb30904
[INFO] running `Command { std: "docker" "start" "-a" "c01c36e32c1532d71d2bbabb70e84b12e728dba8568d5212506a2644feb30904", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lua-src v543.1.0
[INFO] [stderr]    Compiling luajit-src v210.3.1+restycd2285f
[INFO] [stderr]    Compiling mlua v0.6.6
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling rust5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `depth`
[INFO] [stdout]   --> src/suduko/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     depth: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Board` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/suduko/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Copy, Clone)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `verbose`
[INFO] [stdout]    --> src/suduko/mod.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     verbose: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.91s
[INFO] running `Command { std: "docker" "inspect" "c01c36e32c1532d71d2bbabb70e84b12e728dba8568d5212506a2644feb30904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c01c36e32c1532d71d2bbabb70e84b12e728dba8568d5212506a2644feb30904", kill_on_drop: false }`
[INFO] [stdout] c01c36e32c1532d71d2bbabb70e84b12e728dba8568d5212506a2644feb30904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee8516e1638608aa59043b2566a0c728adaddd24cb491c0894378635e7c574eb
[INFO] running `Command { std: "docker" "start" "-a" "ee8516e1638608aa59043b2566a0c728adaddd24cb491c0894378635e7c574eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `depth`
[INFO] [stdout]   --> src/suduko/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     depth: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Board` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/suduko/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Copy, Clone)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `verbose`
[INFO] [stdout]    --> src/suduko/mod.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     verbose: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ee8516e1638608aa59043b2566a0c728adaddd24cb491c0894378635e7c574eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8516e1638608aa59043b2566a0c728adaddd24cb491c0894378635e7c574eb", kill_on_drop: false }`
[INFO] [stdout] ee8516e1638608aa59043b2566a0c728adaddd24cb491c0894378635e7c574eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e276971c857d2b7a3071bf2448b4827d8b047af0abe4c4aea484d1d36d13f0a
[INFO] running `Command { std: "docker" "start" "-a" "1e276971c857d2b7a3071bf2448b4827d8b047af0abe4c4aea484d1d36d13f0a", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `depth`
[INFO] [stderr]   --> src/suduko/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     depth: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Board` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/suduko/mod.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Copy, Clone)]
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `verbose`
[INFO] [stderr]    --> src/suduko/mod.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 |     verbose: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust5` (bin "rust5" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust5-12062989190404fe)
[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" "1e276971c857d2b7a3071bf2448b4827d8b047af0abe4c4aea484d1d36d13f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e276971c857d2b7a3071bf2448b4827d8b047af0abe4c4aea484d1d36d13f0a", kill_on_drop: false }`
[INFO] [stdout] 1e276971c857d2b7a3071bf2448b4827d8b047af0abe4c4aea484d1d36d13f0a