[INFO] fetching crate vga-rs 0.1.4...
[INFO] testing vga-rs-0.1.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate vga-rs 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate vga-rs 0.1.4
[INFO] finished tweaking crates.io crate vga-rs 0.1.4
[INFO] tweaked toml for crates.io crate vga-rs 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vga-rs 0.1.4 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad000668a13d59bcf93852631c59d0b600a00fb5726b206245e555f2c17def2c
[INFO] running `Command { std: "docker" "start" "-a" "ad000668a13d59bcf93852631c59d0b600a00fb5726b206245e555f2c17def2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad000668a13d59bcf93852631c59d0b600a00fb5726b206245e555f2c17def2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad000668a13d59bcf93852631c59d0b600a00fb5726b206245e555f2c17def2c", kill_on_drop: false }`
[INFO] [stdout] ad000668a13d59bcf93852631c59d0b600a00fb5726b206245e555f2c17def2c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08d6315cc43c152ebf0070cde8741899f693380f13f7a0119c6fa616ef0edeb9
[INFO] running `Command { std: "docker" "start" "-a" "08d6315cc43c152ebf0070cde8741899f693380f13f7a0119c6fa616ef0edeb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling vgainfo-rs v0.1.1
[INFO] [stderr]    Compiling vga-rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "08d6315cc43c152ebf0070cde8741899f693380f13f7a0119c6fa616ef0edeb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d6315cc43c152ebf0070cde8741899f693380f13f7a0119c6fa616ef0edeb9", kill_on_drop: false }`
[INFO] [stdout] 08d6315cc43c152ebf0070cde8741899f693380f13f7a0119c6fa616ef0edeb9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f84a497a88b1ad62e8c7724ac8dee367badd14fc08c16674b023a74a781b96a
[INFO] running `Command { std: "docker" "start" "-a" "9f84a497a88b1ad62e8c7724ac8dee367badd14fc08c16674b023a74a781b96a", kill_on_drop: false }`
[INFO] [stderr]    Compiling vga-rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "9f84a497a88b1ad62e8c7724ac8dee367badd14fc08c16674b023a74a781b96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f84a497a88b1ad62e8c7724ac8dee367badd14fc08c16674b023a74a781b96a", kill_on_drop: false }`
[INFO] [stdout] 9f84a497a88b1ad62e8c7724ac8dee367badd14fc08c16674b023a74a781b96a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 416c6257436f95ab380473ab731f497fe53f59ee79df406cf9e3cc4839dc7f1c
[INFO] running `Command { std: "docker" "start" "-a" "416c6257436f95ab380473ab731f497fe53f59ee79df406cf9e3cc4839dc7f1c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vga_rs-81207100aa6fe7f1)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-595f91eed8d73e6c)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_float_work_success ... ok
[INFO] [stdout] test tests::test_option_work_success ... ok
[INFO] [stdout] test tests::test_integer_work_success ... ok
[INFO] [stdout] test tests::test_result_work_success ... ok
[INFO] [stdout] test tests::test_sizeoftype_equal_sucess ... ok
[INFO] [stdout] test tests::test_str_work_success ... ok
[INFO] [stdout] test tests::test_reference_work_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vga_rs
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] test src/lib.rs - VgaChar::get_volatile (line 149) ... FAILED
[INFO] [stdout] test src/lib.rs - VgaChar::set_volatile (line 164) ... FAILED
[INFO] [stdout] test src/lib.rs - VgaBuffer::as_mut_slice (line 242) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]   --> src/lib.rs:14:39
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut vga_buffer = VgaBuffer::new()
[INFO] [stdout]    |                                          ^ help: add `;` here
[INFO] [stdout] 15 |     let buffer_slice = let mut vga_buffer.as_mut_slice();
[INFO] [stdout]    |     --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `let` statement
[INFO] [stdout]   --> src/lib.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let buffer_slice = let mut vga_buffer.as_mut_slice();
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: only supported directly in conditions of `if` and `while` expressions
[INFO] [stdout] 
[INFO] [stdout] error: `mut` must be followed by a named binding
[INFO] [stdout]   --> src/lib.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let buffer_slice = let mut vga_buffer.as_mut_slice();
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `mut` may be followed by `variable` and `variable @ pattern`
[INFO] [stdout] help: remove the `mut` prefix
[INFO] [stdout]    |
[INFO] [stdout] 15 -     let buffer_slice = let mut vga_buffer.as_mut_slice();
[INFO] [stdout] 15 +     let buffer_slice = let vga_buffer.as_mut_slice();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `=`, `?`, `|`, or an operator, found `;`
[INFO] [stdout]   --> src/lib.rs:15:54
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let buffer_slice = let mut vga_buffer.as_mut_slice();
[INFO] [stdout]    |                                                         ^ expected one of `.`, `=`, `?`, `|`, or an operator
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `cursor_rs`
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate cursor_rs;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `rust_out`
[INFO] [stdout]   --> src/lib.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `src/lib.rs`
[INFO] [stdout] 
[INFO] [stdout] error: expected a pattern, found an expression
[INFO] [stdout]   --> src/lib.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let buffer_slice = let mut vga_buffer.as_mut_slice();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ not a pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: arbitrary expressions are not allowed in patterns: <https://doc.rust-lang.org/book/ch19-00-patterns.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0601.
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - VgaChar::get_volatile (line 149) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `NonNull` in this scope
[INFO] [stdout]    --> src/lib.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 | let nonnull:NonNull::<VgaChar> = unsafe { NonNull::new_unchecked(VGA_PTR) };
[INFO] [stdout]     |             ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 149 + use std::ptr::NonNull;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `VgaChar` in this scope
[INFO] [stdout]    --> src/lib.rs:150:23
[INFO] [stdout]     |
[INFO] [stdout] 150 | let nonnull:NonNull::<VgaChar> = unsafe { NonNull::new_unchecked(VGA_PTR) };
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 149 + use vga_rs::VgaChar;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `NonNull`
[INFO] [stdout]    --> src/lib.rs:150:43
[INFO] [stdout]     |
[INFO] [stdout] 150 | let nonnull:NonNull::<VgaChar> = unsafe { NonNull::new_unchecked(VGA_PTR) };
[INFO] [stdout]     |                                           ^^^^^^^ use of undeclared type `NonNull`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 149 + use std::ptr::NonNull;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `VGA_PTR` in this scope
[INFO] [stdout]    --> src/lib.rs:150:66
[INFO] [stdout]     |
[INFO] [stdout] 150 | let nonnull:NonNull::<VgaChar> = unsafe { NonNull::new_unchecked(VGA_PTR) };
[INFO] [stdout]     |                                                                  ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - VgaChar::set_volatile (line 164) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `NonNull` in this scope
[INFO] [stdout]    --> src/lib.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 | let mut nonnull:NonNull::<VgaChar> = unsafe { NonNull::new_unchecked(VGA_PTR) };
[INFO] [stdout]     |                 ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 164 + use std::ptr::NonNull;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `VgaChar` in this scope
[INFO] [stdout]    --> src/lib.rs:165:27
[INFO] [stdout]     |
[INFO] [stdout] 165 | let mut nonnull:NonNull::<VgaChar> = unsafe { NonNull::new_unchecked(VGA_PTR) };
[INFO] [stdout]     |                           ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 164 + use vga_rs::VgaChar;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `NonNull`
[INFO] [stdout]    --> src/lib.rs:165:47
[INFO] [stdout]     |
[INFO] [stdout] 165 | let mut nonnull:NonNull::<VgaChar> = unsafe { NonNull::new_unchecked(VGA_PTR) };
[INFO] [stdout]     |                                               ^^^^^^^ use of undeclared type `NonNull`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 164 + use std::ptr::NonNull;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `VGA_PTR` in this scope
[INFO] [stdout]    --> src/lib.rs:165:70
[INFO] [stdout]     |
[INFO] [stdout] 165 | let mut nonnull:NonNull::<VgaChar> = unsafe { NonNull::new_unchecked(VGA_PTR) };
[INFO] [stdout]     |                                                                      ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - VgaBuffer::as_mut_slice (line 242) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]    --> src/lib.rs:243:38
[INFO] [stdout]     |
[INFO] [stdout] 243 | let mut vga_buffer = VgaBuffer::new()
[INFO] [stdout]     |                                      ^ help: add `;` here
[INFO] [stdout] 244 | let buffer_slice = vga_buffer.as_mut_slice();
[INFO] [stdout]     | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `VgaBuffer`
[INFO] [stdout]    --> src/lib.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 243 | let mut vga_buffer = VgaBuffer::new()
[INFO] [stdout]     |                      ^^^^^^^^^ use of undeclared type `VgaBuffer`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 242 + use vga_rs::VgaBuffer;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:247:18
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let mut vchar = vchar_ref.get_volatile();
[INFO] [stdout]     |                     ^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout]     src/lib.rs - VgaBuffer::as_mut_slice (line 242)
[INFO] [stdout]     src/lib.rs - VgaChar::get_volatile (line 149)
[INFO] [stdout]     src/lib.rs - VgaChar::set_volatile (line 164)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "416c6257436f95ab380473ab731f497fe53f59ee79df406cf9e3cc4839dc7f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416c6257436f95ab380473ab731f497fe53f59ee79df406cf9e3cc4839dc7f1c", kill_on_drop: false }`
[INFO] [stdout] 416c6257436f95ab380473ab731f497fe53f59ee79df406cf9e3cc4839dc7f1c
