[INFO] cloning repository https://github.com/tecgen/vcgencmd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tecgen/vcgencmd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftecgen%2Fvcgencmd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftecgen%2Fvcgencmd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91334e113648bae0e53970ca5808e5cea153b60e
[INFO] testing tecgen/vcgencmd against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftecgen%2Fvcgencmd" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tecgen/vcgencmd 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/tecgen/vcgencmd
[INFO] finished tweaking git repo https://github.com/tecgen/vcgencmd
[INFO] tweaked toml for git repo https://github.com/tecgen/vcgencmd written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/tecgen/vcgencmd 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 638146fed726c6719bfe85ccbaad7e3b8cbfe55dd87e525850afa14c6227146d
[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" "638146fed726c6719bfe85ccbaad7e3b8cbfe55dd87e525850afa14c6227146d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "638146fed726c6719bfe85ccbaad7e3b8cbfe55dd87e525850afa14c6227146d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638146fed726c6719bfe85ccbaad7e3b8cbfe55dd87e525850afa14c6227146d", kill_on_drop: false }`
[INFO] [stdout] 638146fed726c6719bfe85ccbaad7e3b8cbfe55dd87e525850afa14c6227146d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ca192b406f224fee6db68c3eacff39d1d05a7bc566e32238c9f7573aafc7f1d5
[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" "ca192b406f224fee6db68c3eacff39d1d05a7bc566e32238c9f7573aafc7f1d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcgencmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]   --> src/main.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let max: i32 = *&args.len() as i32;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 |     for i in args {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "ca192b406f224fee6db68c3eacff39d1d05a7bc566e32238c9f7573aafc7f1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca192b406f224fee6db68c3eacff39d1d05a7bc566e32238c9f7573aafc7f1d5", kill_on_drop: false }`
[INFO] [stdout] ca192b406f224fee6db68c3eacff39d1d05a7bc566e32238c9f7573aafc7f1d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] d6304406500f8655bf255342bab9ced2cad9c81da2d0dcb8e223dcf3bd8f61fb
[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" "d6304406500f8655bf255342bab9ced2cad9c81da2d0dcb8e223dcf3bd8f61fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcgencmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]   --> src/main.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let max: i32 = *&args.len() as i32;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 |     for i in args {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "d6304406500f8655bf255342bab9ced2cad9c81da2d0dcb8e223dcf3bd8f61fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6304406500f8655bf255342bab9ced2cad9c81da2d0dcb8e223dcf3bd8f61fb", kill_on_drop: false }`
[INFO] [stdout] d6304406500f8655bf255342bab9ced2cad9c81da2d0dcb8e223dcf3bd8f61fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] a7814b5b47ffd9110bf353c44708ad649f97d71076e8312b010974ec71252040
[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" "a7814b5b47ffd9110bf353c44708ad649f97d71076e8312b010974ec71252040", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `max`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:31:6
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 31 |     let max: i32 = *&args.len() as i32;
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:32:6
[INFO] [stderr]    |
[INFO] [stderr] 32 |     for i in args {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: `vcgencmd` (bin "vcgencmd" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vcgencmd-76646e1097d9f9ef)
[INFO] running `Command { std: "docker" "inspect" "a7814b5b47ffd9110bf353c44708ad649f97d71076e8312b010974ec71252040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7814b5b47ffd9110bf353c44708ad649f97d71076e8312b010974ec71252040", kill_on_drop: false }`
[INFO] [stdout] a7814b5b47ffd9110bf353c44708ad649f97d71076e8312b010974ec71252040