[INFO] fetching crate rusty-menu 0.1.3...
[INFO] checking rusty-menu-0.1.3 against master#406e03fd02faf5cc8409a8b6b04c26990d6227e6 for pr-101437-1
[INFO] extracting crate rusty-menu 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rusty-menu 0.1.3 on toolchain 406e03fd02faf5cc8409a8b6b04c26990d6227e6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-menu 0.1.3
[INFO] finished tweaking crates.io crate rusty-menu 0.1.3
[INFO] tweaked toml for crates.io crate rusty-menu 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rusty-menu 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f21c96cce7cbfeed9f183b8eb9f64203d88705ca8b7ce55a95d4a59ea9c6653
[INFO] running `Command { std: "docker" "start" "-a" "9f21c96cce7cbfeed9f183b8eb9f64203d88705ca8b7ce55a95d4a59ea9c6653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f21c96cce7cbfeed9f183b8eb9f64203d88705ca8b7ce55a95d4a59ea9c6653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f21c96cce7cbfeed9f183b8eb9f64203d88705ca8b7ce55a95d4a59ea9c6653", kill_on_drop: false }`
[INFO] [stdout] 9f21c96cce7cbfeed9f183b8eb9f64203d88705ca8b7ce55a95d4a59ea9c6653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 975581609d1b0a81a02607b6753aeff8632da2ec118ab9b27e7bf338037c295d
[INFO] running `Command { std: "docker" "start" "-a" "975581609d1b0a81a02607b6753aeff8632da2ec118ab9b27e7bf338037c295d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking crossterm v0.17.3
[INFO] [stderr]     Checking rusty-menu v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `prepare` is never used
[INFO] [stdout]    --> src/menu_lib/menu.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn prepare(&self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/menu_controls.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 &mut rmenu.go_down();
[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] 41 |                 let _ = &mut rmenu.go_down();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/menu_controls.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 &mut rmenu.go_down();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let _ = &mut rmenu.go_down();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/menu_controls.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 &mut rmenu.go_top();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 let _ = &mut rmenu.go_top();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/menu_controls.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 &mut rmenu.go_top();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let _ = &mut rmenu.go_top();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/menu_controls.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 &mut rmenu.first_focus();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 let _ = &mut rmenu.first_focus();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/menu_controls.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 &mut rmenu.last_focus();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 let _ = &mut rmenu.last_focus();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `prepare` is never used
[INFO] [stdout]    --> src/menu_lib/menu.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn prepare(&self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/menu_controls.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 &mut rmenu.go_down();
[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] 41 |                 let _ = &mut rmenu.go_down();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/menu_controls.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 &mut rmenu.go_down();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 let _ = &mut rmenu.go_down();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/menu_controls.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 &mut rmenu.go_top();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 let _ = &mut rmenu.go_top();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/menu_controls.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 &mut rmenu.go_top();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let _ = &mut rmenu.go_top();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/menu_controls.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 &mut rmenu.first_focus();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 let _ = &mut rmenu.first_focus();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/menu_controls.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 &mut rmenu.last_focus();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 let _ = &mut rmenu.last_focus();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "975581609d1b0a81a02607b6753aeff8632da2ec118ab9b27e7bf338037c295d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975581609d1b0a81a02607b6753aeff8632da2ec118ab9b27e7bf338037c295d", kill_on_drop: false }`
[INFO] [stdout] 975581609d1b0a81a02607b6753aeff8632da2ec118ab9b27e7bf338037c295d