[INFO] cloning repository https://github.com/Bright-Shard/scaffolding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bright-Shard/scaffolding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBright-Shard%2Fscaffolding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBright-Shard%2Fscaffolding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9675f679187e7482352cecd0988855ffca4607b
[INFO] checking Bright-Shard/scaffolding/d9675f679187e7482352cecd0988855ffca4607b against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBright-Shard%2Fscaffolding" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bright-Shard/scaffolding on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bright-Shard/scaffolding
[INFO] finished tweaking git repo https://github.com/Bright-Shard/scaffolding
[INFO] tweaked toml for git repo https://github.com/Bright-Shard/scaffolding written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Bright-Shard/scaffolding 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/plugins/scaffolding-ui/Cargo.toml: `default-features` is ignored for scaffolding, since `default-features` was not specified for `workspace.dependencies.scaffolding`, this could become a hard error in the future
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69beea3ebc71d282f4cae6829eaa4d542e6c404506c4733cef41981816bab6fc
[INFO] running `Command { std: "docker" "start" "-a" "69beea3ebc71d282f4cae6829eaa4d542e6c404506c4733cef41981816bab6fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69beea3ebc71d282f4cae6829eaa4d542e6c404506c4733cef41981816bab6fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69beea3ebc71d282f4cae6829eaa4d542e6c404506c4733cef41981816bab6fc", kill_on_drop: false }`
[INFO] [stdout] 69beea3ebc71d282f4cae6829eaa4d542e6c404506c4733cef41981816bab6fc
[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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f668ce29436861914adb8ff9da938fa637bf3fd347eaad6e88795230eea8155
[INFO] running `Command { std: "docker" "start" "-a" "2f668ce29436861914adb8ff9da938fa637bf3fd347eaad6e88795230eea8155", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/plugins/scaffolding-ui/Cargo.toml: `default-features` is ignored for scaffolding, since `default-features` was not specified for `workspace.dependencies.scaffolding`, this could become a hard error in the future
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking scaffolding v0.1.0 (/opt/rustwide/workdir/scaffolding)
[INFO] [stderr]     Checking scaffolding-tui v0.1.0 (/opt/rustwide/workdir/plugins/scaffolding-tui)
[INFO] [stderr]     Checking scaffolding-ui v0.1.0 (/opt/rustwide/workdir/plugins/scaffolding-ui)
[INFO] [stderr]     Checking gui v0.1.0 (/opt/rustwide/workdir/examples/gui)
[INFO] [stderr]     Checking shiny-tui v0.1.0 (/opt/rustwide/workdir/examples/shiny-tui)
[INFO] [stderr]     Checking todo v0.1.0 (/opt/rustwide/workdir/examples/todo)
[INFO] [stdout] warning: unused variable: `msg_sender`
[INFO] [stdout]   --> examples/todo/src/main.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn app_main(terminal: &Singleton<Terminal>, msg_sender: &MsgSender, app: &App, uniqs: &Uniqs) {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_sender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg_sender`
[INFO] [stdout]   --> examples/todo/src/main.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn app_main(terminal: &Singleton<Terminal>, msg_sender: &MsgSender, app: &App, uniqs: &Uniqs) {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_sender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `complete` is never read
[INFO] [stdout]  --> examples/todo/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct TodoItem {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 4 |     label: String,
[INFO] [stdout] 5 |     complete: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `complete` is never read
[INFO] [stdout]  --> examples/todo/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct TodoItem {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 4 |     label: String,
[INFO] [stdout] 5 |     complete: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "2f668ce29436861914adb8ff9da938fa637bf3fd347eaad6e88795230eea8155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f668ce29436861914adb8ff9da938fa637bf3fd347eaad6e88795230eea8155", kill_on_drop: false }`
[INFO] [stdout] 2f668ce29436861914adb8ff9da938fa637bf3fd347eaad6e88795230eea8155