[INFO] cloning repository https://github.com/HenryTufano/romanos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HenryTufano/romanos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenryTufano%2Fromanos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenryTufano%2Fromanos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36e0bda57d6e8637fbcc8eefa079339069aada67
[INFO] testing HenryTufano/romanos against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenryTufano%2Fromanos" "/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/HenryTufano/romanos on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HenryTufano/romanos
[INFO] finished tweaking git repo https://github.com/HenryTufano/romanos
[INFO] tweaked toml for git repo https://github.com/HenryTufano/romanos written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/HenryTufano/romanos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c509687a197cfe1952edf0b8a87951eeef8c60da1281b7a9ce47328964f149e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c509687a197cfe1952edf0b8a87951eeef8c60da1281b7a9ce47328964f149e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c509687a197cfe1952edf0b8a87951eeef8c60da1281b7a9ce47328964f149e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c509687a197cfe1952edf0b8a87951eeef8c60da1281b7a9ce47328964f149e", kill_on_drop: false }`
[INFO] [stdout] 3c509687a197cfe1952edf0b8a87951eeef8c60da1281b7a9ce47328964f149e
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758ed7b269e3b84e6fb91270d5601ea2fd0abe80168a1aa96b55ed9237031d8f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "758ed7b269e3b84e6fb91270d5601ea2fd0abe80168a1aa96b55ed9237031d8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling romanos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `resultado`
[INFO] [stdout]  --> src/main.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut resultado=String::new();
[INFO] [stdout]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultado`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut resultado=String::new();
[INFO] [stdout]   |         ----^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "758ed7b269e3b84e6fb91270d5601ea2fd0abe80168a1aa96b55ed9237031d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758ed7b269e3b84e6fb91270d5601ea2fd0abe80168a1aa96b55ed9237031d8f", kill_on_drop: false }`
[INFO] [stdout] 758ed7b269e3b84e6fb91270d5601ea2fd0abe80168a1aa96b55ed9237031d8f
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f0028f2f28c71377e56eaba7fb560ee38a3deb68842803e6dc2178dacf2c484
[INFO] running `Command { std: "docker" "start" "-a" "0f0028f2f28c71377e56eaba7fb560ee38a3deb68842803e6dc2178dacf2c484", kill_on_drop: false }`
[INFO] [stderr]    Compiling romanos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `resultado`
[INFO] [stdout]  --> src/main.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut resultado=String::new();
[INFO] [stdout]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultado`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut resultado=String::new();
[INFO] [stdout]   |         ----^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "0f0028f2f28c71377e56eaba7fb560ee38a3deb68842803e6dc2178dacf2c484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0028f2f28c71377e56eaba7fb560ee38a3deb68842803e6dc2178dacf2c484", kill_on_drop: false }`
[INFO] [stdout] 0f0028f2f28c71377e56eaba7fb560ee38a3deb68842803e6dc2178dacf2c484
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b1f7ada373d54cf6783410d987de645fc364fe97718bd8e08ab864938d1803a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b1f7ada373d54cf6783410d987de645fc364fe97718bd8e08ab864938d1803a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `resultado`
[INFO] [stderr]  --> src/main.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut resultado=String::new();
[INFO] [stderr]   |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultado`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut resultado=String::new();
[INFO] [stderr]   |         ----^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/romanos-e35e1db72e6443ec)
[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" "4b1f7ada373d54cf6783410d987de645fc364fe97718bd8e08ab864938d1803a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1f7ada373d54cf6783410d987de645fc364fe97718bd8e08ab864938d1803a", kill_on_drop: false }`
[INFO] [stdout] 4b1f7ada373d54cf6783410d987de645fc364fe97718bd8e08ab864938d1803a