[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#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd-becker%2Fspider" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/d-becker/spider on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gobject-sys v0.9.1
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.4
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.15
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.9.1
[INFO] [stderr]   Downloaded gdk-pixbuf v0.8.0
[INFO] [stderr]   Downloaded atk-sys v0.9.1
[INFO] [stderr]   Downloaded cairo-sys-rs v0.9.2
[INFO] [stderr]   Downloaded atk v0.8.0
[INFO] [stderr]   Downloaded gdk-sys v0.9.1
[INFO] [stderr]   Downloaded gdk v0.12.1
[INFO] [stderr]   Downloaded gio-sys v0.9.1
[INFO] [stderr]   Downloaded gtk-sys v0.9.2
[INFO] [stderr]   Downloaded glib v0.9.3
[INFO] [stderr]   Downloaded gio v0.8.1
[INFO] [stderr]   Downloaded glib-sys v0.9.1
[INFO] [stderr]   Downloaded cairo-rs v0.8.1
[INFO] [stderr]   Downloaded pango v0.8.0
[INFO] [stderr]   Downloaded pango-sys v0.9.1
[INFO] [stderr]   Downloaded gtk v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2d0ee14a6b8169b0d65ccaa2f91a06535f42b2171f36693f6b2c5516e25d0d9
[INFO] running `Command { std: "docker" "start" "-a" "d2d0ee14a6b8169b0d65ccaa2f91a06535f42b2171f36693f6b2c5516e25d0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d0ee14a6b8169b0d65ccaa2f91a06535f42b2171f36693f6b2c5516e25d0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d0ee14a6b8169b0d65ccaa2f91a06535f42b2171f36693f6b2c5516e25d0d9", kill_on_drop: false }`
[INFO] [stdout] d2d0ee14a6b8169b0d65ccaa2f91a06535f42b2171f36693f6b2c5516e25d0d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bedb8612f41ffbb2d6dad0aed04f39e90c10fd7efbee8ab56baaeb3013a950b5
[INFO] running `Command { std: "docker" "start" "-a" "bedb8612f41ffbb2d6dad0aed04f39e90c10fd7efbee8ab56baaeb3013a950b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling pango-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 proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[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 either v1.5.3
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]    Compiling itertools v0.9.0
[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/d98a5da813da67eb189387b8ccfb73cf481275d8/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=1901023dc0593811 -C extra-filename=-ee102e95136120af --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-f4e9d2f94c871c5d.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-547400e47747cd5a.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-e234d680a64426ee.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-a38976d0429548c2.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-082f1b124fca7ec4.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-d68b916bcf88d731.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-4d7f34d14a6f2e64.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-042775cb5a6aacd4.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-e19dce305562300e.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-c7e2e8b43ceeab1b.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-e61cc410b1f133de.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-b590932dcda6da0e.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-cbb62c5a48ec7113.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-13db2cf073d5dc34.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-4a3eb30d8f892632.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-02d61be0f8a84739.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-d726b418f35f6433.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-5b3256c1563ae84d.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "bedb8612f41ffbb2d6dad0aed04f39e90c10fd7efbee8ab56baaeb3013a950b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bedb8612f41ffbb2d6dad0aed04f39e90c10fd7efbee8ab56baaeb3013a950b5", kill_on_drop: false }`
[INFO] [stdout] bedb8612f41ffbb2d6dad0aed04f39e90c10fd7efbee8ab56baaeb3013a950b5