[INFO] cloning repository https://github.com/StaleHyena/websweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StaleHyena/websweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStaleHyena%2Fwebsweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStaleHyena%2Fwebsweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3994f264d50522fc09edaa8f1acd5dcfcd4e472e
[INFO] checking StaleHyena/websweeper against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStaleHyena%2Fwebsweeper" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StaleHyena/websweeper on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/StaleHyena/websweeper
[INFO] finished tweaking git repo https://github.com/StaleHyena/websweeper
[INFO] tweaked toml for git repo https://github.com/StaleHyena/websweeper written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/StaleHyena/websweeper 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 162c1d4d25ab2ccb56f6302bb2bd2f4431dd56bb180e741a7cbcaacc8cb84ad9
[INFO] running `Command { std: "docker" "start" "-a" "162c1d4d25ab2ccb56f6302bb2bd2f4431dd56bb180e741a7cbcaacc8cb84ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "162c1d4d25ab2ccb56f6302bb2bd2f4431dd56bb180e741a7cbcaacc8cb84ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "162c1d4d25ab2ccb56f6302bb2bd2f4431dd56bb180e741a7cbcaacc8cb84ad9", kill_on_drop: false }`
[INFO] [stdout] 162c1d4d25ab2ccb56f6302bb2bd2f4431dd56bb180e741a7cbcaacc8cb84ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5b962a925b48d7ff8fbc5d8334f9b8d3794616dad37b121d5eb2bf29e2cda50
[INFO] running `Command { std: "docker" "start" "-a" "a5b962a925b48d7ff8fbc5d8334f9b8d3794616dad37b121d5eb2bf29e2cda50", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking webpki v0.22.1
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking string_cache v0.8.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking markup5ever v0.11.0
[INFO] [stderr]     Checking html5ever v0.26.0
[INFO] [stderr]     Checking ammonia v3.3.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.5
[INFO] [stderr]     Checking websweeper v1.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/minesweeper.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     convert::TryInto,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/minesweeper.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     convert::TryInto,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `game_driver`, `livepos_driver`, and `irc_driver` are never read
[INFO] [stdout]   --> src/types.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Room {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub game_driver: tokio::task::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 31 |     pub cmd_stream: CmdTx,
[INFO] [stdout] 32 |     pub livepos_driver: tokio::task::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 33 |     pub pos_stream: tokio::sync::mpsc::UnboundedSender<livepos::Req>,
[INFO] [stdout] 34 |     pub irc_driver: tokio::task::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `server` and `port` are never read
[INFO] [stdout]   --> src/ircbot.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct IrcConf {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 18 |     pub server: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |     pub port: u16,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IrcConf` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `game_driver`, `livepos_driver`, and `irc_driver` are never read
[INFO] [stdout]   --> src/types.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Room {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub game_driver: tokio::task::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 31 |     pub cmd_stream: CmdTx,
[INFO] [stdout] 32 |     pub livepos_driver: tokio::task::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 33 |     pub pos_stream: tokio::sync::mpsc::UnboundedSender<livepos::Req>,
[INFO] [stdout] 34 |     pub irc_driver: tokio::task::JoinHandle<()>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `server` and `port` are never read
[INFO] [stdout]   --> src/ircbot.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct IrcConf {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 18 |     pub server: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |     pub port: u16,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IrcConf` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.26s
[INFO] running `Command { std: "docker" "inspect" "a5b962a925b48d7ff8fbc5d8334f9b8d3794616dad37b121d5eb2bf29e2cda50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b962a925b48d7ff8fbc5d8334f9b8d3794616dad37b121d5eb2bf29e2cda50", kill_on_drop: false }`
[INFO] [stdout] a5b962a925b48d7ff8fbc5d8334f9b8d3794616dad37b121d5eb2bf29e2cda50