[INFO] fetching crate wmctrl 0.1.8...
[INFO] building wmctrl-0.1.8 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate wmctrl 0.1.8 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate wmctrl 0.1.8
[INFO] finished tweaking crates.io crate wmctrl 0.1.8
[INFO] tweaked toml for crates.io crate wmctrl 0.1.8 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wmctrl 0.1.8 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 120762ab05f8bce02b381b9c16a8036dbc3d76d7b5e5a4014ca88c188bcb0c96
[INFO] running `Command { std: "docker" "start" "-a" "120762ab05f8bce02b381b9c16a8036dbc3d76d7b5e5a4014ca88c188bcb0c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "120762ab05f8bce02b381b9c16a8036dbc3d76d7b5e5a4014ca88c188bcb0c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120762ab05f8bce02b381b9c16a8036dbc3d76d7b5e5a4014ca88c188bcb0c96", kill_on_drop: false }`
[INFO] [stdout] 120762ab05f8bce02b381b9c16a8036dbc3d76d7b5e5a4014ca88c188bcb0c96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d27b7775a1cad43564142ab764dd64d9cfb5540ba1cd14c09ef6c7437d60a80
[INFO] running `Command { std: "docker" "start" "-a" "1d27b7775a1cad43564142ab764dd64d9cfb5540ba1cd14c09ef6c7437d60a80", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling wmctrl v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `client_machine` is never read
[INFO] [stdout]   --> src/window.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Window {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     client_machine: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Window` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "1d27b7775a1cad43564142ab764dd64d9cfb5540ba1cd14c09ef6c7437d60a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d27b7775a1cad43564142ab764dd64d9cfb5540ba1cd14c09ef6c7437d60a80", kill_on_drop: false }`
[INFO] [stdout] 1d27b7775a1cad43564142ab764dd64d9cfb5540ba1cd14c09ef6c7437d60a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f79e031f5ac7484048c0cf30ceaa9fbfb46069eb4cbb7ae0b3601ba8e037e84
[INFO] running `Command { std: "docker" "start" "-a" "6f79e031f5ac7484048c0cf30ceaa9fbfb46069eb4cbb7ae0b3601ba8e037e84", kill_on_drop: false }`
[INFO] [stderr]    Compiling wmctrl v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `client_machine` is never read
[INFO] [stdout]   --> src/window.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Window {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     client_machine: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Window` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client_machine` is never read
[INFO] [stdout]   --> src/window.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Window {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     client_machine: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Window` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "6f79e031f5ac7484048c0cf30ceaa9fbfb46069eb4cbb7ae0b3601ba8e037e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f79e031f5ac7484048c0cf30ceaa9fbfb46069eb4cbb7ae0b3601ba8e037e84", kill_on_drop: false }`
[INFO] [stdout] 6f79e031f5ac7484048c0cf30ceaa9fbfb46069eb4cbb7ae0b3601ba8e037e84