[INFO] fetching crate style_freak 0.1.2... [INFO] checking style_freak-0.1.2 against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] extracting crate style_freak 0.1.2 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate style_freak 0.1.2 on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate style_freak 0.1.2 [INFO] finished tweaking crates.io crate style_freak 0.1.2 [INFO] tweaked toml for crates.io crate style_freak 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate style_freak 0.1.2 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ncurses v5.99.0 [INFO] [stderr] Downloaded mpd v0.0.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd686b32291d31d4645b8cb398d47df2dd9a446070890ed02ac179b8c02dc804 [INFO] running `Command { std: "docker" "start" "-a" "dd686b32291d31d4645b8cb398d47df2dd9a446070890ed02ac179b8c02dc804", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd686b32291d31d4645b8cb398d47df2dd9a446070890ed02ac179b8c02dc804", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd686b32291d31d4645b8cb398d47df2dd9a446070890ed02ac179b8c02dc804", kill_on_drop: false }` [INFO] [stdout] dd686b32291d31d4645b8cb398d47df2dd9a446070890ed02ac179b8c02dc804 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] deb8043494597312cf59b31280880acf5319b0b77877c77d8d07100e9d54b877 [INFO] running `Command { std: "docker" "start" "-a" "deb8043494597312cf59b31280880acf5319b0b77877c77d8d07100e9d54b877", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling cc v1.0.59 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Compiling ncurses v5.99.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking mpd v0.0.12 [INFO] [stderr] Checking style_freak v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/screen/style_view_screen.rs:389:29 [INFO] [stdout] | [INFO] [stdout] 389 | ... self.fetch_styles(tree); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 389 | let _ = self.fetch_styles(tree); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/screen/style_view_screen.rs:389:29 [INFO] [stdout] | [INFO] [stdout] 389 | ... self.fetch_styles(tree); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 389 | let _ = self.fetch_styles(tree); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.58s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "deb8043494597312cf59b31280880acf5319b0b77877c77d8d07100e9d54b877", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "deb8043494597312cf59b31280880acf5319b0b77877c77d8d07100e9d54b877", kill_on_drop: false }` [INFO] [stdout] deb8043494597312cf59b31280880acf5319b0b77877c77d8d07100e9d54b877