[INFO] cloning repository https://github.com/pi-181/num-methods-lab4-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pi-181/num-methods-lab4-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpi-181%2Fnum-methods-lab4-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpi-181%2Fnum-methods-lab4-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2b9111bbecafc201631522b631992dc959be581
[INFO] checking pi-181/num-methods-lab4-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpi-181%2Fnum-methods-lab4-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pi-181/num-methods-lab4-rs 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/pi-181/num-methods-lab4-rs
[INFO] finished tweaking git repo https://github.com/pi-181/num-methods-lab4-rs
[INFO] tweaked toml for git repo https://github.com/pi-181/num-methods-lab4-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pi-181/num-methods-lab4-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74092843507eb5700b8e83a741dd0d48633902c8eb599b3ae90c88029510e290
[INFO] running `Command { std: "docker" "start" "-a" "74092843507eb5700b8e83a741dd0d48633902c8eb599b3ae90c88029510e290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74092843507eb5700b8e83a741dd0d48633902c8eb599b3ae90c88029510e290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74092843507eb5700b8e83a741dd0d48633902c8eb599b3ae90c88029510e290", kill_on_drop: false }`
[INFO] [stdout] 74092843507eb5700b8e83a741dd0d48633902c8eb599b3ae90c88029510e290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f9f9cdb9a6bd97723e6db2f140ee16b00e2a50da832da9f6d83722958aad3b65
[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" "f9f9cdb9a6bd97723e6db2f140ee16b00e2a50da832da9f6d83722958aad3b65", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.2
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking iced_core v0.2.0
[INFO] [stderr]     Checking glam v0.8.6
[INFO] [stderr]     Checking meval v0.2.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking euclid v0.20.10
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking iced_style v0.1.0
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking glyph_brush_layout v0.1.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking glyph_brush v0.6.3
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking font-kit v0.4.0
[INFO] [stderr]     Checking rendy-descriptor v0.5.1
[INFO] [stderr]     Checking rendy-memory v0.5.2
[INFO] [stderr]     Checking gfx-backend-empty v0.4.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking iced_futures v0.1.0
[INFO] [stderr]     Checking iced_native v0.2.0
[INFO] [stderr]     Checking clipboard_x11 v0.1.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.4.3
[INFO] [stderr]     Checking wgpu-native v0.4.3
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking wgpu v0.4.0
[INFO] [stderr]     Checking wgpu_glyph v0.7.0
[INFO] [stderr]     Checking smithay-clipboard v0.3.7
[INFO] [stderr]     Checking winit v0.22.0
[INFO] [stderr]     Checking iced_wgpu v0.2.0
[INFO] [stderr]     Checking clipboard_wayland v0.1.0
[INFO] [stderr]     Checking window_clipboard v0.1.1
[INFO] [stderr]     Checking iced_winit v0.1.0
[INFO] [stderr]     Checking iced v0.1.0
[INFO] [stderr]     Checking num-methods-lab4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "f9f9cdb9a6bd97723e6db2f140ee16b00e2a50da832da9f6d83722958aad3b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f9cdb9a6bd97723e6db2f140ee16b00e2a50da832da9f6d83722958aad3b65", kill_on_drop: false }`
[INFO] [stdout] f9f9cdb9a6bd97723e6db2f140ee16b00e2a50da832da9f6d83722958aad3b65