[INFO] cloning repository https://github.com/ukiyoyo/rs9cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ukiyoyo/rs9cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukiyoyo%2Frs9cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukiyoyo%2Frs9cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60ea2552bd77dcc9901007601a9d704b04e3fe9a
[INFO] testing ukiyoyo/rs9cc against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukiyoyo%2Frs9cc" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ukiyoyo/rs9cc on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ukiyoyo/rs9cc
[INFO] finished tweaking git repo https://github.com/ukiyoyo/rs9cc
[INFO] tweaked toml for git repo https://github.com/ukiyoyo/rs9cc written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/ukiyoyo/rs9cc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5721ae8f859f1dc69b72b09db4c1fd66daa740676bf0a390650b4381adccc047
[INFO] running `Command { std: "docker" "start" "-a" "5721ae8f859f1dc69b72b09db4c1fd66daa740676bf0a390650b4381adccc047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5721ae8f859f1dc69b72b09db4c1fd66daa740676bf0a390650b4381adccc047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5721ae8f859f1dc69b72b09db4c1fd66daa740676bf0a390650b4381adccc047", kill_on_drop: false }`
[INFO] [stdout] 5721ae8f859f1dc69b72b09db4c1fd66daa740676bf0a390650b4381adccc047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c0b8cf1cab3d5276567f1705988dbef0b4265e2a005126a705fb53346eda699
[INFO] running `Command { std: "docker" "start" "-a" "1c0b8cf1cab3d5276567f1705988dbef0b4265e2a005126a705fb53346eda699", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rs9cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `split_alphabets`
[INFO] [stdout]  --> src/util.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn split_alphabets(s: &str) -> usize {
[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 1.10s
[INFO] running `Command { std: "docker" "inspect" "1c0b8cf1cab3d5276567f1705988dbef0b4265e2a005126a705fb53346eda699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0b8cf1cab3d5276567f1705988dbef0b4265e2a005126a705fb53346eda699", kill_on_drop: false }`
[INFO] [stdout] 1c0b8cf1cab3d5276567f1705988dbef0b4265e2a005126a705fb53346eda699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63cc3a1e0e088689aaf25b625cc115572358c800174bf38b6f834e7a2a2d271f
[INFO] running `Command { std: "docker" "start" "-a" "63cc3a1e0e088689aaf25b625cc115572358c800174bf38b6f834e7a2a2d271f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rs9cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `split_alphabets`
[INFO] [stdout]  --> src/util.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn split_alphabets(s: &str) -> usize {
[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 5.27s
[INFO] running `Command { std: "docker" "inspect" "63cc3a1e0e088689aaf25b625cc115572358c800174bf38b6f834e7a2a2d271f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cc3a1e0e088689aaf25b625cc115572358c800174bf38b6f834e7a2a2d271f", kill_on_drop: false }`
[INFO] [stdout] 63cc3a1e0e088689aaf25b625cc115572358c800174bf38b6f834e7a2a2d271f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff16e246850a92cb61d0bcf5a3b19889a62f10d9ea9f37ae43358ecc9d4d6f04
[INFO] running `Command { std: "docker" "start" "-a" "ff16e246850a92cb61d0bcf5a3b19889a62f10d9ea9f37ae43358ecc9d4d6f04", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `split_alphabets`
[INFO] [stderr]  --> src/util.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn split_alphabets(s: &str) -> usize {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs9cc` (bin "rs9cc" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs9cc-3ed361e0775f08bf)
[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" "ff16e246850a92cb61d0bcf5a3b19889a62f10d9ea9f37ae43358ecc9d4d6f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff16e246850a92cb61d0bcf5a3b19889a62f10d9ea9f37ae43358ecc9d4d6f04", kill_on_drop: false }`
[INFO] [stdout] ff16e246850a92cb61d0bcf5a3b19889a62f10d9ea9f37ae43358ecc9d4d6f04