[INFO] cloning repository https://github.com/h3r2tic/grui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/h3r2tic/grui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3r2tic%2Fgrui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3r2tic%2Fgrui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0171e7741b7082327c18210573a1a2e94f77f88
[INFO] checking h3r2tic/grui against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3r2tic%2Fgrui" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/h3r2tic/grui on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/h3r2tic/grui
[INFO] finished tweaking git repo https://github.com/h3r2tic/grui
[INFO] tweaked toml for git repo https://github.com/h3r2tic/grui written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/h3r2tic/grui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c1a835428c5c7c43fddc4e399e37ed1f0487fae348a17089fd40bb794ba7546
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c1a835428c5c7c43fddc4e399e37ed1f0487fae348a17089fd40bb794ba7546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c1a835428c5c7c43fddc4e399e37ed1f0487fae348a17089fd40bb794ba7546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1a835428c5c7c43fddc4e399e37ed1f0487fae348a17089fd40bb794ba7546", kill_on_drop: false }`
[INFO] [stdout] 5c1a835428c5c7c43fddc4e399e37ed1f0487fae348a17089fd40bb794ba7546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57ff0519395ff976539db0d24f4d38bd43e6da538a8479ada956c41ebd283293
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "57ff0519395ff976539db0d24f4d38bd43e6da538a8479ada956c41ebd283293", kill_on_drop: false }`
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nanovg-sys v1.0.2
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ena v0.13.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]     Checking glam v0.7.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling glutin v0.13.1
[INFO] [stderr]     Checking nanovg v1.0.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking winit v0.11.3
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling grui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/grui-a4d0ed0bc5ec9b30/out/grammar.rs:2429:5
[INFO] [stdout]      |
[INFO] [stdout] 2429 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/grui-a4d0ed0bc5ec9b30/out/grammar.rs:2440:5
[INFO] [stdout]      |
[INFO] [stdout] 2440 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/grui-a4d0ed0bc5ec9b30/out/grammar.rs:2451:5
[INFO] [stdout]      |
[INFO] [stdout] 2451 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/grui-a4d0ed0bc5ec9b30/out/grammar.rs:2429:5
[INFO] [stdout]      |
[INFO] [stdout] 2429 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/grui-a4d0ed0bc5ec9b30/out/grammar.rs:2440:5
[INFO] [stdout]      |
[INFO] [stdout] 2440 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/grui-a4d0ed0bc5ec9b30/out/grammar.rs:2451:5
[INFO] [stdout]      |
[INFO] [stdout] 2451 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BeginHover`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     BeginHover,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EndHover`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     EndHover,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BeginHover`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     BeginHover,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EndHover`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     EndHover,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 22s
[INFO] running `Command { std: "docker" "inspect" "57ff0519395ff976539db0d24f4d38bd43e6da538a8479ada956c41ebd283293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ff0519395ff976539db0d24f4d38bd43e6da538a8479ada956c41ebd283293", kill_on_drop: false }`
[INFO] [stdout] 57ff0519395ff976539db0d24f4d38bd43e6da538a8479ada956c41ebd283293