[INFO] cloning repository https://github.com/MrDogeBro/devbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MrDogeBro/devbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrDogeBro%2Fdevbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrDogeBro%2Fdevbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8aba944d2dcadfa910f0312de27d4dfb4f296b84
[INFO] checking MrDogeBro/devbot/8aba944d2dcadfa910f0312de27d4dfb4f296b84 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%2FMrDogeBro%2Fdevbot" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MrDogeBro/devbot 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/MrDogeBro/devbot
[INFO] finished tweaking git repo https://github.com/MrDogeBro/devbot
[INFO] tweaked toml for git repo https://github.com/MrDogeBro/devbot written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MrDogeBro/devbot 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d757ecf3e3741ba03dd1e3b262381eecdd1736f48994082d3a3b93f78401d0b0
[INFO] running `Command { std: "docker" "start" "-a" "d757ecf3e3741ba03dd1e3b262381eecdd1736f48994082d3a3b93f78401d0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d757ecf3e3741ba03dd1e3b262381eecdd1736f48994082d3a3b93f78401d0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d757ecf3e3741ba03dd1e3b262381eecdd1736f48994082d3a3b93f78401d0b0", kill_on_drop: false }`
[INFO] [stdout] d757ecf3e3741ba03dd1e3b262381eecdd1736f48994082d3a3b93f78401d0b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 17c9ee25e1e00af2380d8a9aadc5225c37dd8641b58e80b75d60da240000be8a
[INFO] running `Command { std: "docker" "start" "-a" "17c9ee25e1e00af2380d8a9aadc5225c37dd8641b58e80b75d60da240000be8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.75
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
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[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling thiserror-impl v1.0.28
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[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling poise_macros v0.1.0 (https://github.com/kangalioo/poise#e94eb68f)
[INFO] [stderr]     Checking futures-executor v0.3.16
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[INFO] [stderr]     Checking tokio-rustls v0.23.2
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[INFO] [stderr]     Checking poise v0.1.0 (https://github.com/kangalioo/poise#e94eb68f)
[INFO] [stderr]     Checking devbot v2.0.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `enabled`
[INFO] [stdout]   --> src/commands/config.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     if let Some(enabled) = enabled {
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enabled`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enabled`
[INFO] [stdout]   --> src/commands/config.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     if let Some(enabled) = enabled {
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enabled`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]    --> src/commands/moderator.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     reason: Option<String>,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reason`
[INFO] [stdout]    --> src/commands/moderator.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     reason: Option<String>,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     db: db::Database,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client` is never read
[INFO] [stdout]  --> src/db.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Database {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 6 |     pub client: Client,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     db: db::Database,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client` is never read
[INFO] [stdout]  --> src/db.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Database {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 6 |     pub client: Client,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.83s
[INFO] running `Command { std: "docker" "inspect" "17c9ee25e1e00af2380d8a9aadc5225c37dd8641b58e80b75d60da240000be8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c9ee25e1e00af2380d8a9aadc5225c37dd8641b58e80b75d60da240000be8a", kill_on_drop: false }`
[INFO] [stdout] 17c9ee25e1e00af2380d8a9aadc5225c37dd8641b58e80b75d60da240000be8a