[INFO] cloning repository https://github.com/SnoozeTime/twengine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SnoozeTime/twengine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnoozeTime%2Ftwengine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnoozeTime%2Ftwengine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90121f6e6d6bf491ea816f8c949fc4db0ae31382
[INFO] documenting SnoozeTime/twengine against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnoozeTime%2Ftwengine" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SnoozeTime/twengine on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SnoozeTime/twengine
[INFO] finished tweaking git repo https://github.com/SnoozeTime/twengine
[INFO] tweaked toml for git repo https://github.com/SnoozeTime/twengine written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/SnoozeTime/twengine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glib v0.6.1
[INFO] [stderr]   Downloaded sdl2 v0.32.1
[INFO] [stderr]   Downloaded sdl2-sys v0.32.5
[INFO] [stderr]   Downloaded syn v0.15.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53ea416f3486717582878891f68debea10187bde679a6944034bb32aaed54086
[INFO] running `Command { std: "docker" "start" "-a" "53ea416f3486717582878891f68debea10187bde679a6944034bb32aaed54086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ea416f3486717582878891f68debea10187bde679a6944034bb32aaed54086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ea416f3486717582878891f68debea10187bde679a6944034bb32aaed54086", kill_on_drop: false }`
[INFO] [stdout] 53ea416f3486717582878891f68debea10187bde679a6944034bb32aaed54086
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "RUSTDOCFLAGS=--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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9cf9f827eb1162599d3d7ea6875042e74a3c1a63d1435f25bce27164b809dbc
[INFO] running `Command { std: "docker" "start" "-a" "e9cf9f827eb1162599d3d7ea6875042e74a3c1a63d1435f25bce27164b809dbc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling gio v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gio-sys v0.7.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.7.0
[INFO] [stderr]    Compiling pango-sys v0.7.0
[INFO] [stderr]    Compiling gdk-sys v0.7.0
[INFO] [stderr]    Compiling atk-sys v0.7.0
[INFO] [stderr]    Compiling gtk-sys v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking glib v0.6.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking pango v0.5.0
[INFO] [stderr]     Checking sdl2 v0.32.1
[INFO] [stderr]     Checking sdl2anim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting sdl2anim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `SWITCH_TO_ADD` should have an upper camel case name
[INFO] [stdout]   --> src/editor.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     SWITCH_TO_ADD,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SwitchToAdd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SWITCH_TO_SELECT` should have an upper camel case name
[INFO] [stdout]   --> src/editor.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     SWITCH_TO_SELECT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SwitchToSelect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SWITCH_TO_STATIC` should have an upper camel case name
[INFO] [stdout]   --> src/editor.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SWITCH_TO_STATIC,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SwitchToStatic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ADD_RECT` should have an upper camel case name
[INFO] [stdout]   --> src/editor.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     ADD_RECT,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `AddRect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ADD_STATIC` should have an upper camel case name
[INFO] [stdout]   --> src/editor.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     ADD_STATIC,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `AddStatic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:14:41
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> Result<Context, Box<std::error::Error>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SWITCH_TO_ADD` should have an upper camel case name
[INFO] [stdout]   --> src/editor.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     SWITCH_TO_ADD,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SwitchToAdd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SWITCH_TO_SELECT` should have an upper camel case name
[INFO] [stdout]   --> src/editor.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     SWITCH_TO_SELECT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SwitchToSelect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SWITCH_TO_STATIC` should have an upper camel case name
[INFO] [stdout]   --> src/editor.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SWITCH_TO_STATIC,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SwitchToStatic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ADD_RECT` should have an upper camel case name
[INFO] [stdout]   --> src/editor.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     ADD_RECT,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `AddRect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ADD_STATIC` should have an upper camel case name
[INFO] [stdout]   --> src/editor.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     ADD_STATIC,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `AddStatic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/math.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | / macro_rules! assert_eq_delta (
[INFO] [stdout] 54 | |     ($lhs:expr, $rhs:expr, $delta:expr) => {
[INFO] [stdout] 55 | |         let diff = $lhs - $rhs;
[INFO] [stdout] 56 | |         if diff.abs() > $delta {
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |     }
[INFO] [stdout] 60 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_buttons`
[INFO] [stdout]    --> src/editor.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let old_buttons = &self.prev_buttons - &buttons;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_buttons`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `textures`
[INFO] [stdout]   --> src/game.rs:70:49
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn render(&self, context: &mut Context, textures: &TextureCache) {
[INFO] [stdout]    |                                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_textures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/physics.rs:90:14
[INFO] [stdout]    |
[INFO] [stdout] 90 |         for (i, j) in to_resolve {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/physics.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |         for (i, j) in to_resolve {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `video_subsystem`
[INFO] [stdout]  --> src/context.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     video_subsystem: VideoSubsystem,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `toLocal` should have a snake case name
[INFO] [stdout]    --> src/core.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn toLocal(&self, global_pos: Vector2d<i32>) -> Vector2d<i32> {
[INFO] [stdout]     |            ^^^^^^^ help: convert the identifier to snake case: `to_local`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `sdl2anim`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name serde src/bin/serde.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern gio=/opt/rustwide/target/debug/deps/libgio-4071c9bd4f8f3b9d.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-cc3a5d582662919a.rmeta --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-96d8a8176a18f087.rmeta --extern embed=/opt/rustwide/target/debug/deps/libembed-b40a042d238bb7cf.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7c6d747ec5fff89b.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-1dae8f10069d6a97.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-fdec44b5d3fb478a.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e9cf9f827eb1162599d3d7ea6875042e74a3c1a63d1435f25bce27164b809dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9cf9f827eb1162599d3d7ea6875042e74a3c1a63d1435f25bce27164b809dbc", kill_on_drop: false }`
[INFO] [stdout] e9cf9f827eb1162599d3d7ea6875042e74a3c1a63d1435f25bce27164b809dbc
