[INFO] cloning repository https://github.com/davidedelpapa/rust-ui-relm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidedelpapa/rust-ui-relm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidedelpapa%2Frust-ui-relm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidedelpapa%2Frust-ui-relm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f651a7b7a68fc169adcc4ff9f8d6a6c195b86f42 [INFO] checking davidedelpapa/rust-ui-relm against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidedelpapa%2Frust-ui-relm" "/workspace/builds/worker-41/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidedelpapa/rust-ui-relm on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/davidedelpapa/rust-ui-relm [INFO] finished tweaking git repo https://github.com/davidedelpapa/rust-ui-relm [INFO] tweaked toml for git repo https://github.com/davidedelpapa/rust-ui-relm written to /workspace/builds/worker-41/source/Cargo.toml [INFO] crate git repo https://github.com/davidedelpapa/rust-ui-relm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e78bb20b6dbf6a751fc5942f8cd96332078739e6cf30be47abac8f5289f67bc [INFO] running `Command { std: "docker" "start" "-a" "6e78bb20b6dbf6a751fc5942f8cd96332078739e6cf30be47abac8f5289f67bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e78bb20b6dbf6a751fc5942f8cd96332078739e6cf30be47abac8f5289f67bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e78bb20b6dbf6a751fc5942f8cd96332078739e6cf30be47abac8f5289f67bc", kill_on_drop: false }` [INFO] [stdout] 6e78bb20b6dbf6a751fc5942f8cd96332078739e6cf30be47abac8f5289f67bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28f3a5f09bc491726bc88f8f474587f119a5f5184e8526eca67b87382881ecf0 [INFO] running `Command { std: "docker" "start" "-a" "28f3a5f09bc491726bc88f8f474587f119a5f5184e8526eca67b87382881ecf0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling unicode-segmentation v1.7.0 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling strum v0.18.0 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling gio v0.9.1 [INFO] [stderr] Compiling pango v0.9.1 [INFO] [stderr] Compiling cairo-rs v0.9.1 [INFO] [stderr] Compiling gdk-pixbuf v0.9.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling atk v0.9.0 [INFO] [stderr] Compiling gdk v0.13.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling gtk v0.9.2 [INFO] [stderr] Compiling toml v0.5.7 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling strum_macros v0.18.0 [INFO] [stderr] Compiling pin-project-internal v1.0.1 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling glib-macros v0.10.1 [INFO] [stderr] Compiling relm-derive v0.20.0 [INFO] [stderr] Compiling thiserror v1.0.22 [INFO] [stderr] Compiling system-deps v1.3.2 [INFO] [stderr] Checking pin-project v1.0.1 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Compiling glib-sys v0.10.1 [INFO] [stderr] Compiling gobject-sys v0.10.0 [INFO] [stderr] Compiling gio-sys v0.10.1 [INFO] [stderr] Compiling cairo-sys-rs v0.10.0 [INFO] [stderr] Compiling pango-sys v0.10.0 [INFO] [stderr] Compiling gdk-pixbuf-sys v0.10.0 [INFO] [stderr] Compiling gdk-sys v0.10.0 [INFO] [stderr] Compiling atk-sys v0.10.0 [INFO] [stderr] Compiling gtk-sys v0.10.0 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking glib v0.10.3 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking relm v0.20.0 [INFO] [stderr] Checking rust-ui-relm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 37 | Msg::Hello => { &self.widgets.lbl.set_text("Hello, World!"); }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | Msg::Hello => { let _ = &self.widgets.lbl.set_text("Hello, World!"); }, [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 37 | Msg::Hello => { &self.widgets.lbl.set_text("Hello, World!"); }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | Msg::Hello => { let _ = &self.widgets.lbl.set_text("Hello, World!"); }, [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 18s [INFO] running `Command { std: "docker" "inspect" "28f3a5f09bc491726bc88f8f474587f119a5f5184e8526eca67b87382881ecf0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28f3a5f09bc491726bc88f8f474587f119a5f5184e8526eca67b87382881ecf0", kill_on_drop: false }` [INFO] [stdout] 28f3a5f09bc491726bc88f8f474587f119a5f5184e8526eca67b87382881ecf0