[INFO] cloning repository https://github.com/maralla/footbar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maralla/footbar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaralla%2Ffootbar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaralla%2Ffootbar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87bf20b301a90b48c6c025724ed97bf3fef4dab9
[INFO] checking maralla/footbar against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaralla%2Ffootbar" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maralla/footbar 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/maralla/footbar
[INFO] finished tweaking git repo https://github.com/maralla/footbar
[INFO] tweaked toml for git repo https://github.com/maralla/footbar written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/maralla/footbar 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 199b2f85468ab01829ec87a17420ab7df3ae22f99c45d6c3b7042d943b9d42d5
[INFO] running `Command { std: "docker" "start" "-a" "199b2f85468ab01829ec87a17420ab7df3ae22f99c45d6c3b7042d943b9d42d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "199b2f85468ab01829ec87a17420ab7df3ae22f99c45d6c3b7042d943b9d42d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199b2f85468ab01829ec87a17420ab7df3ae22f99c45d6c3b7042d943b9d42d5", kill_on_drop: false }`
[INFO] [stdout] 199b2f85468ab01829ec87a17420ab7df3ae22f99c45d6c3b7042d943b9d42d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bcda43e7b80346325f0b38343f7af7eb566e5b3e648a0b889a9eab1cf34944f1
[INFO] running `Command { std: "docker" "start" "-a" "bcda43e7b80346325f0b38343f7af7eb566e5b3e648a0b889a9eab1cf34944f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking glib v0.9.3
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking footbar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `x`, `y`, `width`, and `height` are never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Rect {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 15 |     x: i16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 16 |     y: i16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 17 |     width: i16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     height: i16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rect` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, `width`, and `height` are never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Rect {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 15 |     x: i16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 16 |     y: i16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 17 |     width: i16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     height: i16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rect` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Workspace {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 23 |     id: i32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     name: String,
[INFO] [stdout] 25 |     rect: Rect,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     layout: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     urgent: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     fullscreen_mode: i8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     output: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     focused: bool,
[INFO] [stdout] 31 |     visible: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Workspace` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `change`, `old`, and `current` are never read
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct WorkspaceEvent {
[INFO] [stdout]    |        -------------- fields in this struct
[INFO] [stdout] 36 |     change: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 37 |     old: Workspace,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     current: Workspace,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkspaceEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Workspace {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 23 |     id: i32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     name: String,
[INFO] [stdout] 25 |     rect: Rect,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     layout: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     urgent: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     fullscreen_mode: i8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     output: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     focused: bool,
[INFO] [stdout] 31 |     visible: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Workspace` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `change`, `old`, and `current` are never read
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct WorkspaceEvent {
[INFO] [stdout]    |        -------------- fields in this struct
[INFO] [stdout] 36 |     change: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 37 |     old: Workspace,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     current: Workspace,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkspaceEvent` has a derived impl for the trait `Debug`, 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.23s
[INFO] running `Command { std: "docker" "inspect" "bcda43e7b80346325f0b38343f7af7eb566e5b3e648a0b889a9eab1cf34944f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcda43e7b80346325f0b38343f7af7eb566e5b3e648a0b889a9eab1cf34944f1", kill_on_drop: false }`
[INFO] [stdout] bcda43e7b80346325f0b38343f7af7eb566e5b3e648a0b889a9eab1cf34944f1