[INFO] fetching crate zwp-input-method-service 0.4.1...
[INFO] checking zwp-input-method-service-0.4.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate zwp-input-method-service 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zwp-input-method-service 0.4.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zwp-input-method-service 0.4.1
[INFO] finished tweaking crates.io crate zwp-input-method-service 0.4.1
[INFO] tweaked toml for crates.io crate zwp-input-method-service 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zwp-virtual-keyboard v0.2.2
[INFO] [stderr]   Downloaded zwp-input-method v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b9ffc3c25a99988cf683a133107faa23f9064dcf806b945d8f24da914bade6c
[INFO] running `Command { std: "docker" "start" "-a" "0b9ffc3c25a99988cf683a133107faa23f9064dcf806b945d8f24da914bade6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b9ffc3c25a99988cf683a133107faa23f9064dcf806b945d8f24da914bade6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9ffc3c25a99988cf683a133107faa23f9064dcf806b945d8f24da914bade6c", kill_on_drop: false }`
[INFO] [stdout] 0b9ffc3c25a99988cf683a133107faa23f9064dcf806b945d8f24da914bade6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5aea802e739605ce34e55c5e9ce587f0e2b89c5529bb77841f8f30fe6c9c17a
[INFO] running `Command { std: "docker" "start" "-a" "b5aea802e739605ce34e55c5e9ce587f0e2b89c5529bb77841f8f30fe6c9c17a", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking input_event_codes_hashmap v0.1.1
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling zwp-virtual-keyboard v0.2.2
[INFO] [stderr]    Compiling zwp-input-method v0.2.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking zwp-input-method-service v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `anchor`
[INFO] [stdout]    --> src/lib.rs:267:70
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn handle_surrounding_text(&mut self, text: String, cursor: u32, anchor: u32) {
[INFO] [stdout]     |                                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_anchor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `anchor`
[INFO] [stdout]    --> src/lib.rs:267:70
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn handle_surrounding_text(&mut self, text: String, cursor: u32, anchor: u32) {
[INFO] [stdout]     |                                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_anchor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[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 18.18s
[INFO] running `Command { std: "docker" "inspect" "b5aea802e739605ce34e55c5e9ce587f0e2b89c5529bb77841f8f30fe6c9c17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5aea802e739605ce34e55c5e9ce587f0e2b89c5529bb77841f8f30fe6c9c17a", kill_on_drop: false }`
[INFO] [stdout] b5aea802e739605ce34e55c5e9ce587f0e2b89c5529bb77841f8f30fe6c9c17a