[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#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd-becker%2Fspider" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d-becker/spider on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "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-3-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7433882b91d4694f185c3be1d367108dd0ba3ba3b791f7ea04f5970e9a5ea499
[INFO] running `Command { std: "docker" "start" "-a" "7433882b91d4694f185c3be1d367108dd0ba3ba3b791f7ea04f5970e9a5ea499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7433882b91d4694f185c3be1d367108dd0ba3ba3b791f7ea04f5970e9a5ea499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7433882b91d4694f185c3be1d367108dd0ba3ba3b791f7ea04f5970e9a5ea499", kill_on_drop: false }`
[INFO] [stdout] 7433882b91d4694f185c3be1d367108dd0ba3ba3b791f7ea04f5970e9a5ea499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc5e51d336845c09f5a145a449a65bc5c54d8c9d1638337b25b43450ae1fe992
[INFO] running `Command { std: "docker" "start" "-a" "cc5e51d336845c09f5a145a449a65bc5c54d8c9d1638337b25b43450ae1fe992", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[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 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 spider_gtk v0.1.0 (/opt/rustwide/workdir/spider_gtk)
[INFO] [stderr] error: could not compile `gtk` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/552a959051cebf8f88a8f558399baf733bec9ce0/bin/rustc --crate-name gtk --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gtk-0.8.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("dox", "embed-lgpl-docs", "gtk-rs-lgpl-docs", "purge-lgpl-docs", "v3_16", "v3_18", "v3_20", "v3_22", "v3_22_20", "v3_22_26", "v3_22_27", "v3_22_29", "v3_22_30", "v3_24", "v3_24_8"))' -C metadata=6954c2296c4b4710 -C extra-filename=-03796c3732035bcd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-fccec5b5591a8b02.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-ee4b6a8effb9c17a.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-b728431aea8ba175.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-0a65ada702488575.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-10dbba0b98233669.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-41c719cd89c78220.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-93157e09deb18ca2.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-eb0ae5a73ed3ddf2.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-c13b5de7b30b5d5b.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-3d0f49b4167c8fd6.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-4adea86aa7c198f5.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-3c66406b5d6e1fb6.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-4c091991e6e954e3.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-d1d75fac1d4abaee.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-2bb390fee0230a38.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-10651ee882db21a8.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-a20411d9fde13530.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-8164806d44dbbc75.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "cc5e51d336845c09f5a145a449a65bc5c54d8c9d1638337b25b43450ae1fe992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5e51d336845c09f5a145a449a65bc5c54d8c9d1638337b25b43450ae1fe992", kill_on_drop: false }`
[INFO] [stdout] cc5e51d336845c09f5a145a449a65bc5c54d8c9d1638337b25b43450ae1fe992