[INFO] cloning repository https://github.com/Krahuschluk/rust-flashcards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Krahuschluk/rust-flashcards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrahuschluk%2Frust-flashcards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrahuschluk%2Frust-flashcards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c869147c2f9b3d2b7fa77c15436ebb8af71e7a63
[INFO] checking Krahuschluk/rust-flashcards against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrahuschluk%2Frust-flashcards" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Krahuschluk/rust-flashcards 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/Krahuschluk/rust-flashcards
[INFO] finished tweaking git repo https://github.com/Krahuschluk/rust-flashcards
[INFO] tweaked toml for git repo https://github.com/Krahuschluk/rust-flashcards written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Krahuschluk/rust-flashcards 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85d0c601892779d9af2cda82c1b1e585452a46358b87b759527b13c41fc92f8b
[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" "85d0c601892779d9af2cda82c1b1e585452a46358b87b759527b13c41fc92f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d0c601892779d9af2cda82c1b1e585452a46358b87b759527b13c41fc92f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d0c601892779d9af2cda82c1b1e585452a46358b87b759527b13c41fc92f8b", kill_on_drop: false }`
[INFO] [stdout] 85d0c601892779d9af2cda82c1b1e585452a46358b87b759527b13c41fc92f8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee756ed7cfa3303d32efccb0945ca5c17ffe76815da14b8d67e0428e2611b678
[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" "ee756ed7cfa3303d32efccb0945ca5c17ffe76815da14b8d67e0428e2611b678", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
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[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking lazycell v1.2.1
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[INFO] [stderr]     Checking ppv-lite86 v0.2.8
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[INFO] [stderr]     Checking iced_core v0.2.1
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling glam v0.8.7
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[INFO] [stderr]     Checking instant v0.1.6
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[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking smallvec v0.6.13
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[INFO] [stderr]    Compiling wayland-scanner v0.23.6
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[INFO] [stderr]     Checking clipboard_wayland v0.1.0
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[INFO] [stderr]     Checking wgpu_glyph v0.7.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking iced_futures v0.1.2
[INFO] [stderr]     Checking iced_native v0.2.2
[INFO] [stderr]     Checking iced_winit v0.1.0
[INFO] [stderr]     Checking iced_wgpu v0.2.3
[INFO] [stderr]     Checking iced v0.1.1
[INFO] [stderr]     Checking rust-flashcards v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Row`
[INFO] [stdout]  --> src/app.rs:3:86
[INFO] [stdout]   |
[INFO] [stdout] 3 | use iced::{Button, Column, Text, Element, Application, executor, Command, Container, Row, Length};
[INFO] [stdout]   |                                                                                      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Row`
[INFO] [stdout]  --> src/app.rs:3:86
[INFO] [stdout]   |
[INFO] [stdout] 3 | use iced::{Button, Column, Text, Element, Application, executor, Command, Container, Row, Length};
[INFO] [stdout]   |                                                                                      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `db`
[INFO] [stdout]   --> src/app.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     db: Database,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `give_up_button`
[INFO] [stdout]   --> src/app.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     give_up_button: button::State,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `db`
[INFO] [stdout]   --> src/app.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     db: Database,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `give_up_button`
[INFO] [stdout]   --> src/app.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     give_up_button: button::State,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "ee756ed7cfa3303d32efccb0945ca5c17ffe76815da14b8d67e0428e2611b678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee756ed7cfa3303d32efccb0945ca5c17ffe76815da14b8d67e0428e2611b678", kill_on_drop: false }`
[INFO] [stdout] ee756ed7cfa3303d32efccb0945ca5c17ffe76815da14b8d67e0428e2611b678