[INFO] cloning repository https://github.com/d-becker/spider
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d-becker/spider" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd-becker%2Fspider", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd-becker%2Fspider'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c0922ad1d9d2a4395dcee99ff6c22b3acd819e5
[INFO] testing d-becker/spider against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd-becker%2Fspider" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d-becker/spider on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d-becker/spider
[INFO] finished tweaking git repo https://github.com/d-becker/spider
[INFO] tweaked toml for git repo https://github.com/d-becker/spider written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/d-becker/spider already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8dee63f3ffb2573354fb87facd0796f4e1b5ff90cddf2c239cc76ab5e161b1b1
[INFO] running `Command { std: "docker" "start" "-a" "8dee63f3ffb2573354fb87facd0796f4e1b5ff90cddf2c239cc76ab5e161b1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dee63f3ffb2573354fb87facd0796f4e1b5ff90cddf2c239cc76ab5e161b1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dee63f3ffb2573354fb87facd0796f4e1b5ff90cddf2c239cc76ab5e161b1b1", kill_on_drop: false }`
[INFO] [stdout] 8dee63f3ffb2573354fb87facd0796f4e1b5ff90cddf2c239cc76ab5e161b1b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f58b6d61b65bc996233e98b20ffd681bcbd0c857966b7a6f44e1c4c0d1a09693
[INFO] running `Command { std: "docker" "start" "-a" "f58b6d61b65bc996233e98b20ffd681bcbd0c857966b7a6f44e1c4c0d1a09693", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling spider_backend v0.1.0 (/opt/rustwide/workdir/spider_backend)
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> spider_backend/src/model/snake.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn next_step(&self, field: &Field, spider: &Spider) -> Direction {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spider`
[INFO] [stdout]   --> spider_backend/src/model/snake.rs:17:44
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn next_step(&self, field: &Field, spider: &Spider) -> Direction {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_spider`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling glib v0.9.3
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]    Compiling spider_gtk v0.1.0 (/opt/rustwide/workdir/spider_gtk)
[INFO] [stderr] error: could not compile `gtk`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gtk /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gtk-0.8.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=c74482570addbeb2 -C extra-filename=-c74482570addbeb2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-0dc7705821b3ad27.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6d05264d59b50f7f.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-8f294bdee8d4ab13.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-8ea16ca5966c4f0a.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-d197618b9d0a8ae9.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-7b8424fd5259aff7.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-6a967997ac80d965.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-b8611d55450128dd.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-86b483951eba04fe.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-96b784e4af028bb0.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-d908d87413ff9432.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-9fc4f22679fd22b1.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-3e8d5d505feec306.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-7586b78f62c48fd8.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d5ac4e217bd71028.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-dc994dc799c901a7.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-eba539e57a84bc71.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f58b6d61b65bc996233e98b20ffd681bcbd0c857966b7a6f44e1c4c0d1a09693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58b6d61b65bc996233e98b20ffd681bcbd0c857966b7a6f44e1c4c0d1a09693", kill_on_drop: false }`
[INFO] [stdout] f58b6d61b65bc996233e98b20ffd681bcbd0c857966b7a6f44e1c4c0d1a09693