[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgahooa%2Fsud999" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gahooa/sud999 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-60/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mlua v0.6.6
[INFO] [stderr]   Downloaded lua-src v543.1.0
[INFO] [stderr]   Downloaded luajit-src v210.3.1+restycd2285f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d1915188ca77207a8816a6d632a2be55fad30d9913e02005ca90020b771fb32
[INFO] running `Command { std: "docker" "start" "-a" "1d1915188ca77207a8816a6d632a2be55fad30d9913e02005ca90020b771fb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d1915188ca77207a8816a6d632a2be55fad30d9913e02005ca90020b771fb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d1915188ca77207a8816a6d632a2be55fad30d9913e02005ca90020b771fb32", kill_on_drop: false }`
[INFO] [stdout] 1d1915188ca77207a8816a6d632a2be55fad30d9913e02005ca90020b771fb32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84c3417a0938f30c2d2dc69b08d54ea6e059b88f4e8354f7eae357c470d280c5
[INFO] running `Command { std: "docker" "start" "-a" "84c3417a0938f30c2d2dc69b08d54ea6e059b88f4e8354f7eae357c470d280c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.71
[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 luajit-src v210.3.1+restycd2285f
[INFO] [stderr]    Compiling lua-src v543.1.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling mlua v0.6.6
[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] 
[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 47.32s
[INFO] running `Command { std: "docker" "inspect" "84c3417a0938f30c2d2dc69b08d54ea6e059b88f4e8354f7eae357c470d280c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c3417a0938f30c2d2dc69b08d54ea6e059b88f4e8354f7eae357c470d280c5", kill_on_drop: false }`
[INFO] [stdout] 84c3417a0938f30c2d2dc69b08d54ea6e059b88f4e8354f7eae357c470d280c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d060e03839f1c1fe260d1bb251136377739275248fe1b1ec6cdb03c5c352cc1
[INFO] running `Command { std: "docker" "start" "-a" "1d060e03839f1c1fe260d1bb251136377739275248fe1b1ec6cdb03c5c352cc1", 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] 
[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 3.05s
[INFO] running `Command { std: "docker" "inspect" "1d060e03839f1c1fe260d1bb251136377739275248fe1b1ec6cdb03c5c352cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d060e03839f1c1fe260d1bb251136377739275248fe1b1ec6cdb03c5c352cc1", kill_on_drop: false }`
[INFO] [stdout] 1d060e03839f1c1fe260d1bb251136377739275248fe1b1ec6cdb03c5c352cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74afaf028f89e87cc363cd1db1985326ff15025fefae5f54987112768a35cd47
[INFO] running `Command { std: "docker" "start" "-a" "74afaf028f89e87cc363cd1db1985326ff15025fefae5f54987112768a35cd47", 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] 
[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/rust5-56ffdd36b46c4156)
[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" "74afaf028f89e87cc363cd1db1985326ff15025fefae5f54987112768a35cd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74afaf028f89e87cc363cd1db1985326ff15025fefae5f54987112768a35cd47", kill_on_drop: false }`
[INFO] [stdout] 74afaf028f89e87cc363cd1db1985326ff15025fefae5f54987112768a35cd47