[INFO] updating cached repository https://github.com/davidavzP/Move-Character
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d969d93ad4ae530009c52edfa0af98de22a03bcd
[INFO] checking davidavzP/Move-Character against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavidavzP%2FMove-Character" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidavzP/Move-Character on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/davidavzP/Move-Character
[INFO] finished tweaking git repo https://github.com/davidavzP/Move-Character
[INFO] tweaked toml for git repo https://github.com/davidavzP/Move-Character written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/davidavzP/Move-Character already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 48a5269db7249572a79cdd5ca5926e37f572092d3572bedac703f9452e6cbf44
[INFO] running `"docker" "start" "-a" "48a5269db7249572a79cdd5ca5926e37f572092d3572bedac703f9452e6cbf44"`
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking usize_conversions v0.2.0
[INFO] [stderr]     Checking ux v0.1.3
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking os_bootinfo v0.2.1
[INFO] [stderr]     Checking font8x8 v0.2.4
[INFO] [stderr]     Checking cpuio v0.2.0
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]     Checking pc-keyboard v0.3.1
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]     Checking xmas-elf v0.6.2
[INFO] [stderr]     Checking pic8259_simple v0.1.1
[INFO] [stderr]     Checking x86_64 v0.3.6
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]    Compiling fixedvec v0.2.3
[INFO] [stderr]     Checking x86_64 v0.4.2
[INFO] [stderr]     Checking bootloader v0.3.14
[INFO] [stderr]     Checking bare_metal_1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `core::fmt`
[INFO] [stderr]  --> src/maze.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use core::fmt;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lazy_static::lazy_static`
[INFO] [stderr]  --> src/maze.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use lazy_static::lazy_static;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `spin::Mutex`
[INFO] [stderr]  --> src/maze.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use spin::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `volatile::Volatile`
[INFO] [stderr]   --> src/maze.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use volatile::Volatile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/move_char.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |         let x = self.buffer.chars[row][column].read().color_code;
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/maze.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn new(foreground: Color, background: Color) -> ColorCode {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAZE_HEIGHT`
[INFO] [stderr]   --> src/maze.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | const MAZE_HEIGHT: usize = 25;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAZE_WIDTH`
[INFO] [stderr]   --> src/maze.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | const MAZE_WIDTH: usize = 80;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt`
[INFO] [stderr]  --> src/maze.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use core::fmt;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lazy_static::lazy_static`
[INFO] [stderr]  --> src/maze.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use lazy_static::lazy_static;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `spin::Mutex`
[INFO] [stderr]  --> src/maze.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use spin::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `volatile::Volatile`
[INFO] [stderr]   --> src/maze.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use volatile::Volatile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/move_char.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |         let x = self.buffer.chars[row][column].read().color_code;
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/maze.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn new(foreground: Color, background: Color) -> ColorCode {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAZE_HEIGHT`
[INFO] [stderr]   --> src/maze.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | const MAZE_HEIGHT: usize = 25;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAZE_WIDTH`
[INFO] [stderr]   --> src/maze.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | const MAZE_WIDTH: usize = 80;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stderr]   --> src/main.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stderr] 42 | |     loop {}
[INFO] [stderr] 43 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `bare_metal_1`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "48a5269db7249572a79cdd5ca5926e37f572092d3572bedac703f9452e6cbf44"`
[INFO] running `"docker" "rm" "-f" "48a5269db7249572a79cdd5ca5926e37f572092d3572bedac703f9452e6cbf44"`
[INFO] [stdout] 48a5269db7249572a79cdd5ca5926e37f572092d3572bedac703f9452e6cbf44
