[INFO] cloning repository https://github.com/terakilobyte/fifteen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terakilobyte/fifteen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterakilobyte%2Ffifteen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterakilobyte%2Ffifteen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 536905a588ec84e3cb9b103be797d6710bceb0d7
[INFO] testing terakilobyte/fifteen against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterakilobyte%2Ffifteen" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/terakilobyte/fifteen on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/terakilobyte/fifteen
[INFO] finished tweaking git repo https://github.com/terakilobyte/fifteen
[INFO] tweaked toml for git repo https://github.com/terakilobyte/fifteen written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/terakilobyte/fifteen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glyph_brush v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad8f23a152add370d820fd7261694e5a58d317bc70007503ab6c356814fe1710
[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" "ad8f23a152add370d820fd7261694e5a58d317bc70007503ab6c356814fe1710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad8f23a152add370d820fd7261694e5a58d317bc70007503ab6c356814fe1710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad8f23a152add370d820fd7261694e5a58d317bc70007503ab6c356814fe1710", kill_on_drop: false }`
[INFO] [stdout] ad8f23a152add370d820fd7261694e5a58d317bc70007503ab6c356814fe1710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bd9cdc4f04aeab6ea991052e05ef0ab56ebaa9118c0c79482dbd728aae581cd
[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" "1bd9cdc4f04aeab6ea991052e05ef0ab56ebaa9118c0c79482dbd728aae581cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling xdg v2.1.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling mint v0.5.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling euclid v0.19.9
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling lyon_geom v0.12.7
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling gfx_gl v0.6.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling slice-deque v0.2.4
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling lyon_path v0.13.2
[INFO] [stderr]    Compiling gfx v0.18.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling minimp3 v0.3.3
[INFO] [stderr]    Compiling lyon_algorithms v0.13.4
[INFO] [stderr]    Compiling lyon_tessellation v0.13.5
[INFO] [stderr]    Compiling zip v0.5.3
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling nalgebra v0.18.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling gilrs-core v0.2.4
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling lyon v0.13.5
[INFO] [stderr]    Compiling rusttype v0.8.1
[INFO] [stderr]    Compiling gilrs v0.7.2
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling glyph_brush_layout v0.1.8
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling glyph_brush v0.6.0
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling glyph_brush v0.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling gfx_device_gl v0.16.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.19.3
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling glutin v0.20.1
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling gfx_window_glutin v0.30.0
[INFO] [stderr]    Compiling rodio v0.9.0
[INFO] [stderr]    Compiling ggez v0.5.1
[INFO] [stderr]    Compiling fifteen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `shuffle` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/main.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |         thread_rng().shuffle(slice);
[INFO] [stdout]    |                      ^^^^^^^ method not found in `ThreadRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `shuffle` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/main.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |             thread_rng().shuffle(slice);
[INFO] [stdout]    |                          ^^^^^^^ method not found in `ThreadRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/main.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |                        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fifteen` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1bd9cdc4f04aeab6ea991052e05ef0ab56ebaa9118c0c79482dbd728aae581cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd9cdc4f04aeab6ea991052e05ef0ab56ebaa9118c0c79482dbd728aae581cd", kill_on_drop: false }`
[INFO] [stdout] 1bd9cdc4f04aeab6ea991052e05ef0ab56ebaa9118c0c79482dbd728aae581cd
