[INFO] updating cached repository TrueXPixels/idle_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TrueXPixels/idle_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TrueXPixels/idle_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/TrueXPixels/idle_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/TrueXPixels/idle_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TrueXPixels/idle_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TrueXPixels/idle_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TrueXPixels/idle_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 005ff78adb8a0a1c73322cbea34a0a00f62c31e0
[INFO] sha for GitHub repo TrueXPixels/idle_game: 005ff78adb8a0a1c73322cbea34a0a00f62c31e0
[INFO] validating manifest of TrueXPixels/idle_game on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of TrueXPixels/idle_game on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing TrueXPixels/idle_game
[INFO] finished frobbing TrueXPixels/idle_game
[INFO] frobbed toml for TrueXPixels/idle_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/TrueXPixels/idle_game/Cargo.toml
[INFO] started frobbing TrueXPixels/idle_game
[INFO] finished frobbing TrueXPixels/idle_game
[INFO] frobbed toml for TrueXPixels/idle_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TrueXPixels/idle_game/Cargo.toml
[INFO] crate TrueXPixels/idle_game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing TrueXPixels/idle_game against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TrueXPixels/idle_game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4624e6fe6aa5153023b1802b972db4a7edd3a585cf663e3400b39e5e5d07f083
[INFO] running `"docker" "start" "-a" "4624e6fe6aa5153023b1802b972db4a7edd3a585cf663e3400b39e5e5d07f083"`
[INFO] [stderr]    Compiling serde v1.0.64
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling tempfile v3.0.2
[INFO] [stderr]    Compiling x11-dl v2.17.5
[INFO] [stderr]    Compiling serde_derive v1.0.64
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rusttype v0.4.3
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling winit v0.12.0
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
[INFO] [stderr]    Compiling serde_json v1.0.19
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.53.0
[INFO] [stderr]    Compiling pistoncore-window v0.32.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.37.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.47.0
[INFO] [stderr]    Compiling piston v0.37.0
[INFO] [stderr]    Compiling idle_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/main.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 6   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 101 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]    --> src/main.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 13  | use std::io::prelude::*;
[INFO] [stderr]     |     ------------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 176 |     use std::io::Write; // Use Trait
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/main.rs:182:15
[INFO] [stderr]     |
[INFO] [stderr] 182 |     Ok(buffer.trim_right().to_owned())
[INFO] [stderr]     |               ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/main.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |         if let Some(u) = e.update_args() {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_u`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `btn`
[INFO] [stderr]    --> src/main.rs:115:27
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn pressed(&mut self, btn: &Button) {
[INFO] [stderr]     |                           ^^^ help: consider prefixing with an underscore: `_btn`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `user`
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     user: User,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         file.unwrap().read_to_string(&mut buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `BLURPLE` should have a snake case name
[INFO] [stderr]    --> src/main.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let BLURPLE: [f32; 4] = [0.447, 0.537, 0.854, 1.0];
[INFO] [stderr]     |             ^^^^^^^ help: convert the identifier to snake case: `blurple`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `"docker" "inspect" "4624e6fe6aa5153023b1802b972db4a7edd3a585cf663e3400b39e5e5d07f083"`
[INFO] running `"docker" "rm" "-f" "4624e6fe6aa5153023b1802b972db4a7edd3a585cf663e3400b39e5e5d07f083"`
[INFO] [stdout] 4624e6fe6aa5153023b1802b972db4a7edd3a585cf663e3400b39e5e5d07f083
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TrueXPixels/idle_game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 937231aec521329949594072aee191acd7459e83d564513e2d7be3e5dae90303
[INFO] running `"docker" "start" "-a" "937231aec521329949594072aee191acd7459e83d564513e2d7be3e5dae90303"`
[INFO] [stderr]    Compiling idle_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/main.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 6   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 101 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]    --> src/main.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 13  | use std::io::prelude::*;
[INFO] [stderr]     |     ------------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 176 |     use std::io::Write; // Use Trait
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/main.rs:182:15
[INFO] [stderr]     |
[INFO] [stderr] 182 |     Ok(buffer.trim_right().to_owned())
[INFO] [stderr]     |               ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/main.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |         if let Some(u) = e.update_args() {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_u`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `btn`
[INFO] [stderr]    --> src/main.rs:115:27
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn pressed(&mut self, btn: &Button) {
[INFO] [stderr]     |                           ^^^ help: consider prefixing with an underscore: `_btn`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `user`
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     user: User,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         file.unwrap().read_to_string(&mut buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `BLURPLE` should have a snake case name
[INFO] [stderr]    --> src/main.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let BLURPLE: [f32; 4] = [0.447, 0.537, 0.854, 1.0];
[INFO] [stderr]     |             ^^^^^^^ help: convert the identifier to snake case: `blurple`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "937231aec521329949594072aee191acd7459e83d564513e2d7be3e5dae90303"`
[INFO] running `"docker" "rm" "-f" "937231aec521329949594072aee191acd7459e83d564513e2d7be3e5dae90303"`
[INFO] [stdout] 937231aec521329949594072aee191acd7459e83d564513e2d7be3e5dae90303
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TrueXPixels/idle_game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 240d28d2842405d208a140aaae180450e1a2a10f60e2d89e27b1cdadd4ee27e5
[INFO] running `"docker" "start" "-a" "240d28d2842405d208a140aaae180450e1a2a10f60e2d89e27b1cdadd4ee27e5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/idle_game-ae2659fdf9f854f2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "240d28d2842405d208a140aaae180450e1a2a10f60e2d89e27b1cdadd4ee27e5"`
[INFO] running `"docker" "rm" "-f" "240d28d2842405d208a140aaae180450e1a2a10f60e2d89e27b1cdadd4ee27e5"`
[INFO] [stdout] 240d28d2842405d208a140aaae180450e1a2a10f60e2d89e27b1cdadd4ee27e5