[INFO] cloning repository https://github.com/anon8675309/muck-up-x
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anon8675309/muck-up-x" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanon8675309%2Fmuck-up-x", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanon8675309%2Fmuck-up-x'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c937048257f4adc7f2b6d94e7d53c566e85029d3
[INFO] testing anon8675309/muck-up-x against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanon8675309%2Fmuck-up-x" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anon8675309/muck-up-x on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anon8675309/muck-up-x
[INFO] finished tweaking git repo https://github.com/anon8675309/muck-up-x
[INFO] tweaked toml for git repo https://github.com/anon8675309/muck-up-x written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate git repo https://github.com/anon8675309/muck-up-x already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6011fa6b0b5305d58902b98cad31e12fd8bda1896f202420529af61606974032
[INFO] running `Command { std: "docker" "start" "-a" "6011fa6b0b5305d58902b98cad31e12fd8bda1896f202420529af61606974032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6011fa6b0b5305d58902b98cad31e12fd8bda1896f202420529af61606974032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6011fa6b0b5305d58902b98cad31e12fd8bda1896f202420529af61606974032", kill_on_drop: false }`
[INFO] [stdout] 6011fa6b0b5305d58902b98cad31e12fd8bda1896f202420529af61606974032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15df33c56c5cb35bd009e196ab8ebbd16e729ef85bbaee66626ba039595534b2
[INFO] running `Command { std: "docker" "start" "-a" "15df33c56c5cb35bd009e196ab8ebbd16e729ef85bbaee66626ba039595534b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]    Compiling muck-up-x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `status` is never read
[INFO] [stdout]   --> src/main.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             status = x11::xlib::XGetWindowAttributes(display, w, &mut attrs);
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.33s
[INFO] running `Command { std: "docker" "inspect" "15df33c56c5cb35bd009e196ab8ebbd16e729ef85bbaee66626ba039595534b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15df33c56c5cb35bd009e196ab8ebbd16e729ef85bbaee66626ba039595534b2", kill_on_drop: false }`
[INFO] [stdout] 15df33c56c5cb35bd009e196ab8ebbd16e729ef85bbaee66626ba039595534b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64224d52af50ffba4b39ae137ba76412ce0765c8e9e68d937e0ac970d80c596c
[INFO] running `Command { std: "docker" "start" "-a" "64224d52af50ffba4b39ae137ba76412ce0765c8e9e68d937e0ac970d80c596c", kill_on_drop: false }`
[INFO] [stderr]    Compiling muck-up-x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `status` is never read
[INFO] [stdout]   --> src/main.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             status = x11::xlib::XGetWindowAttributes(display, w, &mut attrs);
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "64224d52af50ffba4b39ae137ba76412ce0765c8e9e68d937e0ac970d80c596c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64224d52af50ffba4b39ae137ba76412ce0765c8e9e68d937e0ac970d80c596c", kill_on_drop: false }`
[INFO] [stdout] 64224d52af50ffba4b39ae137ba76412ce0765c8e9e68d937e0ac970d80c596c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e95eff3fb9d9cac311c4a9ef0e5abb2e9a03023fa0d41e7ef3160bbfa2a3b13
[INFO] running `Command { std: "docker" "start" "-a" "8e95eff3fb9d9cac311c4a9ef0e5abb2e9a03023fa0d41e7ef3160bbfa2a3b13", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `status` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:61:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 61 |             status = x11::xlib::XGetWindowAttributes(display, w, &mut attrs);
[INFO] [stdout] 
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `muck-up-x` (bin "muck-up-x" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/muck_up_x-f601c04aaba7605c)
[INFO] running `Command { std: "docker" "inspect" "8e95eff3fb9d9cac311c4a9ef0e5abb2e9a03023fa0d41e7ef3160bbfa2a3b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e95eff3fb9d9cac311c4a9ef0e5abb2e9a03023fa0d41e7ef3160bbfa2a3b13", kill_on_drop: false }`
[INFO] [stdout] 8e95eff3fb9d9cac311c4a9ef0e5abb2e9a03023fa0d41e7ef3160bbfa2a3b13