[INFO] cloning repository https://github.com/LionKingSmasher/Taco
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LionKingSmasher/Taco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLionKingSmasher%2FTaco", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLionKingSmasher%2FTaco'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b96fedae2740ab29707b877a62eac5a097fabe59
[INFO] checking LionKingSmasher/Taco against try#0c70cfbec949d241375e31c5a42066be70c720fc for pr-149681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLionKingSmasher%2FTaco" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/LionKingSmasher/Taco
[INFO] finished tweaking git repo https://github.com/LionKingSmasher/Taco
[INFO] tweaked toml for git repo https://github.com/LionKingSmasher/Taco written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LionKingSmasher/Taco on toolchain 0c70cfbec949d241375e31c5a42066be70c720fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LionKingSmasher/Taco 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" "+0c70cfbec949d241375e31c5a42066be70c720fc" "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 bootloader v0.9.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e70a6cb4e5853e40a0a5ae14f1017e5f745577dc54b23763ef530ff83d2c7c0
[INFO] running `Command { std: "docker" "start" "-a" "0e70a6cb4e5853e40a0a5ae14f1017e5f745577dc54b23763ef530ff83d2c7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e70a6cb4e5853e40a0a5ae14f1017e5f745577dc54b23763ef530ff83d2c7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e70a6cb4e5853e40a0a5ae14f1017e5f745577dc54b23763ef530ff83d2c7c0", kill_on_drop: false }`
[INFO] [stdout] 0e70a6cb4e5853e40a0a5ae14f1017e5f745577dc54b23763ef530ff83d2c7c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cccdf19477a8838470dbbd8dfc6ca84ca1e50faf57646f327da9792fb5da26d6
[INFO] running `Command { std: "docker" "start" "-a" "cccdf19477a8838470dbbd8dfc6ca84ca1e50faf57646f327da9792fb5da26d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader v0.9.22
[INFO] [stderr]     Checking Taco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `L_GRAY` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     L_GRAY    = 7,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `LGray`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `D_GRAY` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     D_GRAY    = 8,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `DGray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_BLUE` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     L_BLUE    = 9,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `LBlue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_GREEN` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     L_GREEN   = 10,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `LGreen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_CYAN` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     L_CYAN    = 11,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `LCyan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_RED` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     L_RED     = 12,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `LRed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_MAGENTA` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     L_MAGENTA = 13,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `LMagenta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_GRAY` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     L_GRAY    = 7,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `LGray`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `D_GRAY` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     D_GRAY    = 8,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `DGray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_BLUE` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     L_BLUE    = 9,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `LBlue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_GREEN` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     L_GREEN   = 10,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `LGreen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_CYAN` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     L_CYAN    = 11,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `LCyan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_RED` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     L_RED     = 12,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `LRed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_MAGENTA` should have an upper camel case name
[INFO] [stdout]   --> src/taco_vga.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     L_MAGENTA = 13,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `LMagenta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 25 | |     loop {}
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/0c70cfbec949d241375e31c5a42066be70c720fc/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-88847899b0374666.rlib
[INFO] [stdout]    = note: second definition in the local crate (`Taco`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Taco` (bin "Taco" test) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `TacoColor` is never constructed
[INFO] [stdout]   --> src/taco_vga.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct TacoColor(u8);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/taco_vga.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl TacoColor {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 29 |     fn new(fore : VGAColorCode, back : VGAColorCode) -> TacoColor {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TacoScreenChar` is never constructed
[INFO] [stdout]   --> src/taco_vga.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct TacoScreenChar {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TACO_VGA_BUFFER_HEIGHT` is never used
[INFO] [stdout]   --> src/taco_vga.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 | const TACO_VGA_BUFFER_HEIGHT : usize = 25;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TACO_VGA_BUFFER_WEIGHT` is never used
[INFO] [stdout]   --> src/taco_vga.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | const TACO_VGA_BUFFER_WEIGHT : usize = 80;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TacoScreenBuffer` is never constructed
[INFO] [stdout]   --> src/taco_vga.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct TacoScreenBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TacoVgaWriter` is never constructed
[INFO] [stdout]   --> src/taco_vga.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct TacoVgaWriter {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `write_byte` are never used
[INFO] [stdout]   --> src/taco_vga.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl TacoVgaWriter {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 57 |     pub fn new(row_pos : usize, col_pos : usize, color_code : TacoColor, buf : &'static mut TacoScreenBuffer) -> TacoVgaWriter {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn write_byte(&mut self, byte : u8) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cccdf19477a8838470dbbd8dfc6ca84ca1e50faf57646f327da9792fb5da26d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cccdf19477a8838470dbbd8dfc6ca84ca1e50faf57646f327da9792fb5da26d6", kill_on_drop: false }`
[INFO] [stdout] cccdf19477a8838470dbbd8dfc6ca84ca1e50faf57646f327da9792fb5da26d6