[INFO] cloning repository https://github.com/fredrikpe/rustdoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fredrikpe/rustdoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrikpe%2Frustdoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrikpe%2Frustdoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbfaaa58529d10033eb69b9c6fb2e5e9db48dc82
[INFO] testing fredrikpe/rustdoku against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrikpe%2Frustdoku" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fredrikpe/rustdoku on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fredrikpe/rustdoku
[INFO] finished tweaking git repo https://github.com/fredrikpe/rustdoku
[INFO] tweaked toml for git repo https://github.com/fredrikpe/rustdoku written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/fredrikpe/rustdoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2-sys v0.6.2
[INFO] [stderr]   Downloaded sdl2_ttf v0.9.1
[INFO] [stderr]   Downloaded sdl2 v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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-2020-10-09" "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] b216729b8f29c723c6923875f71fdaaf3cf6b7cf49433efacf0d4357e45faaf5
[INFO] running `Command { std: "docker" "start" "-a" "b216729b8f29c723c6923875f71fdaaf3cf6b7cf49433efacf0d4357e45faaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b216729b8f29c723c6923875f71fdaaf3cf6b7cf49433efacf0d4357e45faaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b216729b8f29c723c6923875f71fdaaf3cf6b7cf49433efacf0d4357e45faaf5", kill_on_drop: false }`
[INFO] [stdout] b216729b8f29c723c6923875f71fdaaf3cf6b7cf49433efacf0d4357e45faaf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba65da744be8478e1dfa3c90445515a51c17322fb4d1677fa4164b4b3653a1eb
[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" "ba65da744be8478e1dfa3c90445515a51c17322fb4d1677fa4164b4b3653a1eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.6.2
[INFO] [stderr]    Compiling bitflags v0.2.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.9.1
[INFO] [stderr]    Compiling sdl2_ttf v0.9.1
[INFO] [stderr]    Compiling rustdoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/phi/mod.rs:17:20
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ChangeView(Box<View>),
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/phi/mod.rs:73:30
[INFO] [stdout]    |
[INFO] [stdout] 73 | where F: Fn(&mut Phi) -> Box<View> {
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/views/board_view.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/views/board_view.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cell`
[INFO] [stdout]   --> src/views/board_view.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 | use ::logic::{Board, Cell};
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/views/main_menu.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ::sdl2::rect::{Point, Rect};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/views/main_menu.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     func: Box<Fn(&mut Phi) -> ViewAction>,
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Phi) -> ViewAction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/views/main_menu.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new(phi: &mut Phi, label: &'static str, func: Box<Fn(&mut Phi) -> ViewAction>) -> Action {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Phi) -> ViewAction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fps` is assigned to, but never used
[INFO] [stdout]    --> src/phi/mod.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let mut fps = 0u16;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_fps` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phi`
[INFO] [stdout]   --> src/views/board_view.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(phi: &mut Phi, board: i32) -> BoardView {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_phi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/views/board_view.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 78 |             Some(Move::IMove(pos, i)) => self.board.remove(pos),
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elapsed`
[INFO] [stdout]    --> src/views/board_view.rs:102:41
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn render(&mut self, phi: &mut Phi, elapsed: f64) -> ViewAction {
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elapsed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phi`
[INFO] [stdout]   --> src/views/main_menu.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new(phi: &mut Phi, label: &'static str, func: Box<Fn(&mut Phi) -> ViewAction>) -> Action {
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_phi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phi`
[INFO] [stdout]   --> src/views/main_menu.rs:33:52
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 Action::new(phi, "Quit", Box::new(|phi| {
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_phi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elapsed`
[INFO] [stdout]   --> src/views/main_menu.rs:44:41
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn render(&mut self, phi: &mut Phi, elapsed: f64) -> ViewAction {
[INFO] [stdout]    |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elapsed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MenuView`
[INFO] [stdout]   --> src/views/board_view.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct MenuView;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Off`
[INFO] [stdout]   --> src/views/board_view.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Off     = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Marks`
[INFO] [stdout]   --> src/views/board_view.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Marks   = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OCEAN`
[INFO] [stdout]   --> src/views/settings.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const OCEAN    : Color = Color::RGB(41,94,255);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SKYE`
[INFO] [stdout]   --> src/views/settings.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const SKYE     : Color = Color::RGB(102,140,255);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PURPLE`
[INFO] [stdout]   --> src/views/settings.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const PURPLE   : Color = Color::RGB(140,102,255);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PINK1`
[INFO] [stdout]   --> src/views/settings.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const PINK1    : Color = Color::RGB(255,102,217);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PINK2`
[INFO] [stdout]   --> src/views/settings.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const PINK2    : Color = Color::RGB(255,102,140);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `YELLOW`
[INFO] [stdout]   --> src/views/settings.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const YELLOW   : Color = Color::RGB(255,201,41);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ORANGE`
[INFO] [stdout]   --> src/views/settings.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const ORANGE   : Color = Color::RGB(234,176,0);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GREEN`
[INFO] [stdout]   --> src/views/settings.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const GREEN    : Color = Color::RGB(102,255,140);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GRASS`
[INFO] [stdout]   --> src/views/settings.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const GRASS    : Color = Color::RGB(217,255,102);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Step`
[INFO] [stdout]  --> src/logic/solver.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Step {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/logic/solver.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(num: i32, pos: usize) -> Step {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unique_candidate`
[INFO] [stdout]   --> src/logic/solver.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn unique_candidate(b: &Board) -> Option<Step> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unique`
[INFO] [stdout]   --> src/logic/solver.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn unique(area: Vec<usize>, b: &Board) -> Option<Step> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill_board`
[INFO] [stdout]   --> src/logic/board.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn fill_board(&mut self, board: Vec<i32>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_solved`
[INFO] [stdout]    --> src/logic/board.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn is_solved(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_representative`
[INFO] [stdout]    --> src/logic/board.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn get_representative(&self) -> Vec<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_board`
[INFO] [stdout]    --> src/logic/board.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn print_board(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `BIGNUM` should have a snake case name
[INFO] [stdout]   --> src/views/settings.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub BIGNUM: Font,
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `bignum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SMALLNUM` should have a snake case name
[INFO] [stdout]   --> src/views/settings.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub SMALLNUM: Font,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `smallnum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `BIGFONT` should have a snake case name
[INFO] [stdout]   --> src/views/settings.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub BIGFONT: Font,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `bigfont`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `SMALLFONT` should have a snake case name
[INFO] [stdout]   --> src/views/settings.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub SMALLFONT: Font,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `smallfont`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.rustdoku.21tets3g-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069" "/opt/rustwide/target/debug/deps/rustdoku-499f275e9c81d069.pb8jjgbc1qdwlg4.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2_ttf-a1d393aabd3d54d8.rlib" "/opt/rustwide/target/debug/deps/libbitflags-bc205ea50d51d67e.rlib" "/opt/rustwide/target/debug/deps/libsdl2-6401049e66a54dc5.rlib" "/opt/rustwide/target/debug/deps/librand-49befb53bdb3c37b.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-9e8a97409e264e43.rlib" "/opt/rustwide/target/debug/deps/libbitflags-07d1c6c553a67708.rlib" "/opt/rustwide/target/debug/deps/liblibc-b12aa4b2e54b1db5.rlib" "/opt/rustwide/target/debug/deps/libnum-7a34f73f5a3dc4a3.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-83da580a4bd060db.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-23a4c61d57ead776.rlib" "/opt/rustwide/target/debug/deps/librand-e6844aa7e2432b41.rlib" "/opt/rustwide/target/debug/deps/liblibc-e52aab25f5d90c7e.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-deda51b05bd9b3ed.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-826df4b40c62d022.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-9db107b0c9a0cc9d.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-d4a4d703d73e45ec.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-2ea07b0bbd9f52bb.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lc" "-lm" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustdoku`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ba65da744be8478e1dfa3c90445515a51c17322fb4d1677fa4164b4b3653a1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba65da744be8478e1dfa3c90445515a51c17322fb4d1677fa4164b4b3653a1eb", kill_on_drop: false }`
[INFO] [stdout] ba65da744be8478e1dfa3c90445515a51c17322fb4d1677fa4164b4b3653a1eb
