[INFO] cloning repository https://github.com/kiranshila/peripheral_typestate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kiranshila/peripheral_typestate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiranshila%2Fperipheral_typestate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiranshila%2Fperipheral_typestate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef767275f2040df1e21cc808a5066ca5822392ce
[INFO] checking kiranshila/peripheral_typestate against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiranshila%2Fperipheral_typestate" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kiranshila/peripheral_typestate
[INFO] finished tweaking git repo https://github.com/kiranshila/peripheral_typestate
[INFO] tweaked toml for git repo https://github.com/kiranshila/peripheral_typestate written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kiranshila/peripheral_typestate on toolchain 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kiranshila/peripheral_typestate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking kiranshila/peripheral_typestate against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiranshila%2Fperipheral_typestate" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kiranshila/peripheral_typestate
[INFO] finished tweaking git repo https://github.com/kiranshila/peripheral_typestate
[INFO] tweaked toml for git repo https://github.com/kiranshila/peripheral_typestate written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kiranshila/peripheral_typestate on toolchain 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kiranshila/peripheral_typestate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4171d8a47d0e44ed81d07c3f61d161659ed492eb87dae6a8f8564e99a1a3569b
[INFO] running `Command { std: "docker" "start" "-a" "4171d8a47d0e44ed81d07c3f61d161659ed492eb87dae6a8f8564e99a1a3569b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4171d8a47d0e44ed81d07c3f61d161659ed492eb87dae6a8f8564e99a1a3569b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4171d8a47d0e44ed81d07c3f61d161659ed492eb87dae6a8f8564e99a1a3569b", kill_on_drop: false }`
[INFO] [stdout] 4171d8a47d0e44ed81d07c3f61d161659ed492eb87dae6a8f8564e99a1a3569b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dcae1407b74994ea138b33c8fa598b51f351422e85b441742d5f5fe4d402f99
[INFO] running `Command { std: "docker" "start" "-a" "0dcae1407b74994ea138b33c8fa598b51f351422e85b441742d5f5fe4d402f99", kill_on_drop: false }`
[INFO] [stderr]     Checking peripheral_typestate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let bus = &mut *self.bus.borrow_mut();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/lib.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let bus = &mut *self.bus.borrow_mut();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/lib.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             let bus = &mut *self.bus.borrow_mut();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/lib.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let bus = &mut *self.bus.borrow_mut();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/lib.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let bus = &mut *self.bus.borrow_mut();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let bus = &mut *self.bus.borrow_mut();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/lib.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let bus = &mut *self.bus.borrow_mut();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/lib.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             let bus = &mut *self.bus.borrow_mut();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/lib.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let bus = &mut *self.bus.borrow_mut();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/lib.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let bus = &mut *self.bus.borrow_mut();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `dev` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> examples/construction.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let pins = dev.pins().unwrap();
[INFO] [stdout]    |                ^^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 |     let mut dev = MyDevice::new(bus);
[INFO] [stdout]    |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `dev` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> examples/construction.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let pins = dev.pins().unwrap();
[INFO] [stdout]    |                --- mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 14 |     dev.some_top_level_fn();
[INFO] [stdout]    |     ^^^ immutable borrow occurs here
[INFO] [stdout] 15 |     p1.something_only_configured_can_do();
[INFO] [stdout]    |     -- mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0502, E0596.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `peripheral_typestate` (example "construction") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0dcae1407b74994ea138b33c8fa598b51f351422e85b441742d5f5fe4d402f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dcae1407b74994ea138b33c8fa598b51f351422e85b441742d5f5fe4d402f99", kill_on_drop: false }`
[INFO] [stdout] 0dcae1407b74994ea138b33c8fa598b51f351422e85b441742d5f5fe4d402f99
