[INFO] cloning repository https://github.com/Osrepnay/chessapp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Osrepnay/chessapp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsrepnay%2Fchessapp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsrepnay%2Fchessapp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 89361ada7220e77e877a00b36a174362b1918a42 [INFO] checking Osrepnay/chessapp against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsrepnay%2Fchessapp" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Osrepnay/chessapp [INFO] finished tweaking git repo https://github.com/Osrepnay/chessapp [INFO] tweaked toml for git repo https://github.com/Osrepnay/chessapp written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Osrepnay/chessapp on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Osrepnay/chessapp 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded buf_redux v0.8.4 [INFO] [stderr] Downloaded input_buffer v0.4.0 [INFO] [stderr] Downloaded twoway v0.1.8 [INFO] [stderr] Downloaded tokio-stream v0.1.7 [INFO] [stderr] Downloaded tokio-tungstenite v0.13.0 [INFO] [stderr] Downloaded tungstenite v0.12.0 [INFO] [stderr] Downloaded headers v0.3.4 [INFO] [stderr] Downloaded multipart v0.17.1 [INFO] [stderr] Downloaded warp v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 316f1aa14d0fbf097f022bface22fc17267ad529061c715f7b54ebd29740d0ae [INFO] running `Command { std: "docker" "start" "-a" "316f1aa14d0fbf097f022bface22fc17267ad529061c715f7b54ebd29740d0ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "316f1aa14d0fbf097f022bface22fc17267ad529061c715f7b54ebd29740d0ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "316f1aa14d0fbf097f022bface22fc17267ad529061c715f7b54ebd29740d0ae", kill_on_drop: false }` [INFO] [stdout] 316f1aa14d0fbf097f022bface22fc17267ad529061c715f7b54ebd29740d0ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 250734818b9a4c71a0c7d177ff674352b1ce02004b025a6a6ab2140ad56c7893 [INFO] running `Command { std: "docker" "start" "-a" "250734818b9a4c71a0c7d177ff674352b1ce02004b025a6a6ab2140ad56c7893", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking input_buffer v0.4.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking headers-core v0.2.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking tungstenite v0.12.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking headers v0.3.4 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking multipart v0.17.1 [INFO] [stderr] Compiling futures-macro v0.3.16 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Checking tokio v1.10.1 [INFO] [stderr] Checking futures-util v0.3.16 [INFO] [stderr] Checking pin-project v1.0.8 [INFO] [stderr] Checking futures-executor v0.3.16 [INFO] [stderr] Checking futures v0.3.16 [INFO] [stderr] Checking tokio-util v0.6.7 [INFO] [stderr] Checking tokio-tungstenite v0.13.0 [INFO] [stderr] Checking tokio-stream v0.1.7 [INFO] [stderr] Checking h2 v0.3.4 [INFO] [stderr] Checking hyper v0.14.12 [INFO] [stderr] Checking warp v0.3.1 [INFO] [stderr] Checking chessapp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:93:33 [INFO] [stdout] | [INFO] [stdout] 93 | ... drop(sinks); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 93 - drop(sinks); [INFO] [stdout] 93 + let _ = sinks; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:93:33 [INFO] [stdout] | [INFO] [stdout] 93 | ... drop(sinks); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut HashMap>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 93 - drop(sinks); [INFO] [stdout] 93 + let _ = sinks; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.94s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "250734818b9a4c71a0c7d177ff674352b1ce02004b025a6a6ab2140ad56c7893", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "250734818b9a4c71a0c7d177ff674352b1ce02004b025a6a6ab2140ad56c7893", kill_on_drop: false }` [INFO] [stdout] 250734818b9a4c71a0c7d177ff674352b1ce02004b025a6a6ab2140ad56c7893