[INFO] cloning repository https://github.com/arcnmx/screenstub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arcnmx/screenstub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcnmx%2Fscreenstub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcnmx%2Fscreenstub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af5a08b3349de6fb07a8c20898a6c3cf89450100
[INFO] checking arcnmx/screenstub against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcnmx%2Fscreenstub" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arcnmx/screenstub on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arcnmx/screenstub
[INFO] finished tweaking git repo https://github.com/arcnmx/screenstub
[INFO] tweaked toml for git repo https://github.com/arcnmx/screenstub written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/arcnmx/screenstub already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 ...
[INFO] [stderr]   Downloaded nvapi-sys v0.1.3
[INFO] [stderr]   Downloaded input-linux-sys v0.7.0
[INFO] [stderr]   Downloaded mccs-caps v0.1.0
[INFO] [stderr]   Downloaded widestring v0.3.0
[INFO] [stderr]   Downloaded resize-slice v0.1.3
[INFO] [stderr]   Downloaded ddc v0.2.2
[INFO] [stderr]   Downloaded ddc-i2c v0.2.1
[INFO] [stderr]   Downloaded i2c-linux-sys v0.2.0
[INFO] [stderr]   Downloaded udev v0.2.0
[INFO] [stderr]   Downloaded qapi-parser v0.5.0
[INFO] [stderr]   Downloaded result v1.0.0
[INFO] [stderr]   Downloaded qapi-spec v0.3.1
[INFO] [stderr]   Downloaded i2c-linux v0.1.2
[INFO] [stderr]   Downloaded qapi-codegen v0.5.0
[INFO] [stderr]   Downloaded ddc-macos v0.2.0
[INFO] [stderr]   Downloaded ddc-winapi v0.2.0
[INFO] [stderr]   Downloaded mccs v0.1.0
[INFO] [stderr]   Downloaded qapi-qmp v0.8.0
[INFO] [stderr]   Downloaded qapi-qmp v0.7.0
[INFO] [stderr]   Downloaded uninitialized v0.0.2
[INFO] [stderr]   Downloaded nvapi v0.1.3
[INFO] [stderr]   Downloaded qapi-qga v0.8.0
[INFO] [stderr]   Downloaded mccs-db v0.1.2
[INFO] [stderr]   Downloaded qapi-parser v0.6.0
[INFO] [stderr]   Downloaded qapi-codegen v0.6.0
[INFO] [stderr]   Downloaded ddcutil v0.0.3
[INFO] [stderr]   Downloaded edid v0.3.0
[INFO] [stderr]   Downloaded ddc-hi v0.4.0
[INFO] [stderr]   Downloaded qapi v0.8.0
[INFO] [stderr]   Downloaded i2c v0.1.0
[INFO] [stderr]   Downloaded ddcutil-sys v0.0.3
[INFO] [stderr]   Downloaded input-linux v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 258df01bf77cfd93cbdd7c3a4055982f3d544ee72cc8cf5cbe40e0bdec984f85
[INFO] running `Command { std: "docker" "start" "-a" "258df01bf77cfd93cbdd7c3a4055982f3d544ee72cc8cf5cbe40e0bdec984f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258df01bf77cfd93cbdd7c3a4055982f3d544ee72cc8cf5cbe40e0bdec984f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258df01bf77cfd93cbdd7c3a4055982f3d544ee72cc8cf5cbe40e0bdec984f85", kill_on_drop: false }`
[INFO] [stdout] 258df01bf77cfd93cbdd7c3a4055982f3d544ee72cc8cf5cbe40e0bdec984f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41ba1fa57e031960b84974efd558dcb49fafcd4f306b5955a8489a7cf7a17ccf
[INFO] running `Command { std: "docker" "start" "-a" "41ba1fa57e031960b84974efd558dcb49fafcd4f306b5955a8489a7cf7a17ccf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking screenstub-fd v0.0.1 (/opt/rustwide/workdir/fd)
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling ddc-hi v0.4.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking result v1.0.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking i2c v0.1.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking mccs v0.1.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking nix v0.22.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking i2c-linux-sys v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ddc v0.2.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking udev v0.2.0
[INFO] [stderr]     Checking i2c-linux v0.1.2
[INFO] [stderr]     Checking edid v0.3.0
[INFO] [stderr]     Checking mccs-caps v0.1.0
[INFO] [stderr]     Checking ddc-i2c v0.2.1
[INFO] [stderr]     Checking input-linux-sys v0.7.0
[INFO] [stderr]     Checking ctrlc v3.2.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking input-linux v0.5.0
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde-hex v0.1.0
[INFO] [stderr]     Checking humantime-serde v1.0.1
[INFO] [stderr]     Checking serde_yaml v0.8.20
[INFO] [stderr]     Checking mccs-db v0.1.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking qapi-spec v0.3.1
[INFO] [stderr]     Checking screenstub-ddc v0.0.1 (/opt/rustwide/workdir/ddc)
[INFO] [stderr]    Compiling qapi-parser v0.6.0
[INFO] [stderr]    Compiling qapi-parser v0.5.0
[INFO] [stderr]    Compiling qapi-codegen v0.5.0
[INFO] [stderr]    Compiling qapi-codegen v0.6.0
[INFO] [stderr]    Compiling qapi-qmp v0.7.0
[INFO] [stderr]    Compiling qapi-qmp v0.8.0
[INFO] [stderr]    Compiling qapi-qga v0.8.0
[INFO] [stderr]     Checking screenstub-x v0.0.1 (/opt/rustwide/workdir/x)
[INFO] [stderr]     Checking screenstub-uinput v0.0.1 (/opt/rustwide/workdir/uinput)
[INFO] [stdout] warning: unused variable: `motion`
[INFO] [stdout]    --> x/src/lib.rs:333:37
[INFO] [stdout]     |
[INFO] [stdout] 333 |             XRequest::Grab { xcore, motion, confine, ref devices } => {
[INFO] [stdout]     |                                     ^^^^^^ help: try ignoring the field: `motion: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `devices`
[INFO] [stdout]    --> x/src/lib.rs:333:54
[INFO] [stdout]     |
[INFO] [stdout] 333 |             XRequest::Grab { xcore, motion, confine, ref devices } => {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^ help: try ignoring the field: `devices: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]    --> x/src/lib.rs:571:38
[INFO] [stdout]     |
[INFO] [stdout] 571 |                     .filter(|&&(dim, new, _)| dim != 0)
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]    --> x/src/lib.rs:665:41
[INFO] [stdout]     |
[INFO] [stdout] 665 |     fn poll_ready(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout]     |                                         ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `motion`
[INFO] [stdout]    --> x/src/lib.rs:333:37
[INFO] [stdout]     |
[INFO] [stdout] 333 |             XRequest::Grab { xcore, motion, confine, ref devices } => {
[INFO] [stdout]     |                                     ^^^^^^ help: try ignoring the field: `motion: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `devices`
[INFO] [stdout]    --> x/src/lib.rs:333:54
[INFO] [stdout]     |
[INFO] [stdout] 333 |             XRequest::Grab { xcore, motion, confine, ref devices } => {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^ help: try ignoring the field: `devices: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]    --> x/src/lib.rs:571:38
[INFO] [stdout]     |
[INFO] [stdout] 571 |                     .filter(|&&(dim, new, _)| dim != 0)
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]    --> x/src/lib.rs:665:41
[INFO] [stdout]     |
[INFO] [stdout] 665 |     fn poll_ready(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
[INFO] [stdout]     |                                         ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x_keysym`
[INFO] [stdout]    --> x/src/lib.rs:546:8
[INFO] [stdout]     |
[INFO] [stdout] 546 |     fn x_keysym(_key: xcb::Keysym) -> Option<Key> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x_keysym`
[INFO] [stdout]    --> x/src/lib.rs:546:8
[INFO] [stdout]     |
[INFO] [stdout] 546 |     fn x_keysym(_key: xcb::Keysym) -> Option<Key> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking screenstub-event v0.0.1 (/opt/rustwide/workdir/event)
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qapi-qmp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name qapi_qmp --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/qapi-qmp-0.8.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=64e8f0ac05bb3b70 -C extra-filename=-64e8f0ac05bb3b70 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern qapi_spec=/opt/rustwide/target/debug/deps/libqapi_spec-7c04eb208e39d6dc.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a1714e76ecf036c5.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "41ba1fa57e031960b84974efd558dcb49fafcd4f306b5955a8489a7cf7a17ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ba1fa57e031960b84974efd558dcb49fafcd4f306b5955a8489a7cf7a17ccf", kill_on_drop: false }`
[INFO] [stdout] 41ba1fa57e031960b84974efd558dcb49fafcd4f306b5955a8489a7cf7a17ccf
