[INFO] cloning repository https://github.com/kriogenia/nove
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kriogenia/nove" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkriogenia%2Fnove", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkriogenia%2Fnove'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf8561f3915f5a879cdf654af3b306dbfc8eee6c
[INFO] checking kriogenia/nove against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkriogenia%2Fnove" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kriogenia/nove
[INFO] finished tweaking git repo https://github.com/kriogenia/nove
[INFO] tweaked toml for git repo https://github.com/kriogenia/nove written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kriogenia/nove on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kriogenia/nove already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ef9f7b8703fdb8a44649c41ae3602a8f7777fafa9e411bd0bc0580a2563cd10
[INFO] running `Command { std: "docker" "start" "-a" "1ef9f7b8703fdb8a44649c41ae3602a8f7777fafa9e411bd0bc0580a2563cd10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ef9f7b8703fdb8a44649c41ae3602a8f7777fafa9e411bd0bc0580a2563cd10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef9f7b8703fdb8a44649c41ae3602a8f7777fafa9e411bd0bc0580a2563cd10", kill_on_drop: false }`
[INFO] [stdout] 1ef9f7b8703fdb8a44649c41ae3602a8f7777fafa9e411bd0bc0580a2563cd10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72262e41e23baa1d7f7f928d2e757bc4dff00685f9c685531b449d4f59a43678
[INFO] running `Command { std: "docker" "start" "-a" "72262e41e23baa1d7f7f928d2e757bc4dff00685f9c685531b449d4f59a43678", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling sdl2-sys v0.36.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling sdl2 v0.36.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking nove_core v0.2.0 (/opt/rustwide/workdir/nove_core)
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking globwalk v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking quicli v0.4.0
[INFO] [stderr]     Checking sdl2 v0.2.0 (/opt/rustwide/workdir/sdl2)
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]  --> sdl2/src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Debug, Display};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]  --> sdl2/src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Debug, Display};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RGB_SPACE` is never used
[INFO] [stdout]   --> sdl2/src/main.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const RGB_SPACE: u32 = 3;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TILES_PER_BANK` is never used
[INFO] [stdout]   --> sdl2/src/main.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const TILES_PER_BANK: usize = 256;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `set_pixel` are never used
[INFO] [stdout]   --> sdl2/src/rgb.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl RgbFrame {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn set_pixel(&mut self, x: u32, y: u32, rgb: (u8, u8, u8)) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WIDTH` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const WIDTH: u32 = 256;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HEIGHT` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const HEIGHT: u32 = 240;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RGB_SPACE` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const RGB_SPACE: u32 = 3;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCALE` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const SCALE: u32 = 3;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TILES_PER_BANK` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const TILES_PER_BANK: usize = 256;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> sdl2/src/tile_render.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 19 |     /// The ROM file to read
[INFO] [stdout] 20 |     pub file: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SYSTEM_PALLETE` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub static SYSTEM_PALLETE: [(u8, u8, u8); 64] = [
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_tile_bank` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn show_tile_bank(rom: &Rom, bank: usize) -> RgbFrame {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> sdl2/src/tile_render.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> sdl2/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     /// The ROM file to read
[INFO] [stdout] 27 | |     pub file: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> sdl2/src/tile_render.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// The ROM file to read
[INFO] [stdout] 20 | |     pub file: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sdl2` (bin "sdl2") due to 2 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: constant `RGB_SPACE` is never used
[INFO] [stdout]   --> sdl2/src/main.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const RGB_SPACE: u32 = 3;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TILES_PER_BANK` is never used
[INFO] [stdout]   --> sdl2/src/main.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const TILES_PER_BANK: usize = 256;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `set_pixel` are never used
[INFO] [stdout]   --> sdl2/src/rgb.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl RgbFrame {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn set_pixel(&mut self, x: u32, y: u32, rgb: (u8, u8, u8)) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WIDTH` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const WIDTH: u32 = 256;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HEIGHT` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const HEIGHT: u32 = 240;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RGB_SPACE` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const RGB_SPACE: u32 = 3;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCALE` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const SCALE: u32 = 3;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TILES_PER_BANK` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const TILES_PER_BANK: usize = 256;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> sdl2/src/tile_render.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 19 |     /// The ROM file to read
[INFO] [stdout] 20 |     pub file: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SYSTEM_PALLETE` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub static SYSTEM_PALLETE: [(u8, u8, u8); 64] = [
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_tile_bank` is never used
[INFO] [stdout]   --> sdl2/src/tile_render.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn show_tile_bank(rom: &Rom, bank: usize) -> RgbFrame {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> sdl2/src/tile_render.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> sdl2/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     /// The ROM file to read
[INFO] [stdout] 27 | |     pub file: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> sdl2/src/tile_render.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// The ROM file to read
[INFO] [stdout] 20 | |     pub file: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sdl2` (bin "sdl2" test) due to 2 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "72262e41e23baa1d7f7f928d2e757bc4dff00685f9c685531b449d4f59a43678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72262e41e23baa1d7f7f928d2e757bc4dff00685f9c685531b449d4f59a43678", kill_on_drop: false }`
[INFO] [stdout] 72262e41e23baa1d7f7f928d2e757bc4dff00685f9c685531b449d4f59a43678