[INFO] cloning repository https://github.com/berbiche/sample-flake-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/berbiche/sample-flake-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberbiche%2Fsample-flake-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberbiche%2Fsample-flake-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 601a18f165deb771404e8cd177eb0b0ad7c59ad0
[INFO] testing berbiche/sample-flake-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberbiche%2Fsample-flake-rust" "/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/berbiche/sample-flake-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/berbiche/sample-flake-rust
[INFO] finished tweaking git repo https://github.com/berbiche/sample-flake-rust
[INFO] tweaked toml for git repo https://github.com/berbiche/sample-flake-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/berbiche/sample-flake-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65d39c68b1efa32336c46613d53c48822347db1f1563097b739b8c744a9644c6
[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" "65d39c68b1efa32336c46613d53c48822347db1f1563097b739b8c744a9644c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65d39c68b1efa32336c46613d53c48822347db1f1563097b739b8c744a9644c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d39c68b1efa32336c46613d53c48822347db1f1563097b739b8c744a9644c6", kill_on_drop: false }`
[INFO] [stdout] 65d39c68b1efa32336c46613d53c48822347db1f1563097b739b8c744a9644c6
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67e044b995d3ae71be54aa8bdc6cbba4377af2664c0c1136c69a1acc387aed05
[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" "67e044b995d3ae71be54aa8bdc6cbba4377af2664c0c1136c69a1acc387aed05", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling gio v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling gtk v0.9.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling glib-sys v0.10.0
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling glib v0.10.1
[INFO] [stderr]    Compiling futures v0.3.5
[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-0.9.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=3d966835276395b2 -C extra-filename=-3d966835276395b2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atk=/opt/rustwide/target/debug/deps/libatk-6db43bba437dbd5a.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-fd9bde2b6775e2cb.rmeta --extern cairo_sys=/opt/rustwide/target/debug/deps/libcairo_sys-47f433518d545ebb.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk-87463ded5f892f46.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-e3c5c7e7cf83bcd2.rmeta --extern gdk_pixbuf_sys=/opt/rustwide/target/debug/deps/libgdk_pixbuf_sys-b4bfd30fc212d426.rmeta --extern gdk_sys=/opt/rustwide/target/debug/deps/libgdk_sys-db939c5bae94ece0.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-07c3a01b74ec4918.rmeta --extern gio_sys=/opt/rustwide/target/debug/deps/libgio_sys-c69661b4be260388.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-a416d4c6a2535ec4.rmeta --extern glib_sys=/opt/rustwide/target/debug/deps/libglib_sys-693d5e6f1dffa8f8.rmeta --extern gobject_sys=/opt/rustwide/target/debug/deps/libgobject_sys-4ad61ffc366df905.rmeta --extern gtk_sys=/opt/rustwide/target/debug/deps/libgtk_sys-9f4b6702c482cc8a.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d7bd113b9466b080.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-7d26ff1c9d0b40d3.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-f524696bf77080cb.rmeta --extern pango_sys=/opt/rustwide/target/debug/deps/libpango_sys-6fc6fb54cbee3979.rmeta --cap-lints allow --cap-lints=warn --cfg 'gdk_backend="x11"' --cfg 'gdk_backend="broadway"' --cfg 'gdk_backend="wayland"'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "67e044b995d3ae71be54aa8bdc6cbba4377af2664c0c1136c69a1acc387aed05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e044b995d3ae71be54aa8bdc6cbba4377af2664c0c1136c69a1acc387aed05", kill_on_drop: false }`
[INFO] [stdout] 67e044b995d3ae71be54aa8bdc6cbba4377af2664c0c1136c69a1acc387aed05