[INFO] cloning repository https://github.com/richard-nlir/box-drawing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richard-nlir/box-drawing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichard-nlir%2Fbox-drawing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichard-nlir%2Fbox-drawing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe1d80f1e28256265791cc8424bd19a08a66e95d
[INFO] checking richard-nlir/box-drawing against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichard-nlir%2Fbox-drawing" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/richard-nlir/box-drawing
[INFO] finished tweaking git repo https://github.com/richard-nlir/box-drawing
[INFO] tweaked toml for git repo https://github.com/richard-nlir/box-drawing written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/richard-nlir/box-drawing on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/richard-nlir/box-drawing 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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raw_tty v0.1.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4366fb7e36f2c834d3cc9eacbc55122eb5c78ff35984b8ecd6e62d842635e849
[INFO] running `Command { std: "docker" "start" "-a" "4366fb7e36f2c834d3cc9eacbc55122eb5c78ff35984b8ecd6e62d842635e849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4366fb7e36f2c834d3cc9eacbc55122eb5c78ff35984b8ecd6e62d842635e849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4366fb7e36f2c834d3cc9eacbc55122eb5c78ff35984b8ecd6e62d842635e849", kill_on_drop: false }`
[INFO] [stdout] 4366fb7e36f2c834d3cc9eacbc55122eb5c78ff35984b8ecd6e62d842635e849
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6b1c183143f2a7196c0e4f4c76185d3174948b82144e302720f3f130741ddbc
[INFO] running `Command { std: "docker" "start" "-a" "b6b1c183143f2a7196c0e4f4c76185d3174948b82144e302720f3f130741ddbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking raw_tty v0.1.0
[INFO] [stderr]     Checking box-drawing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0726]: implicit elided lifetime not allowed here
[INFO] [stdout]  --> src/backend/stdio.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | impl Writer for Output {
[INFO] [stdout]   |      ^^^^^^ expected lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] help: indicate the anonymous lifetime
[INFO] [stdout]   |
[INFO] [stdout] 9 | impl Writer<'_> for Output {
[INFO] [stdout]   |            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/buffer/style.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(self) -> Result<&mut B> {
[INFO] [stdout]    |                                 ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stdout] help: consider using the `'b` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(self) -> Result<&'b mut B> {
[INFO] [stdout]    |                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: associated type defaults are unstable
[INFO] [stdout]   --> src/backend/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     type BufferRep = (Self::InnerBuffer, &'a mut Self);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #29661 <https://github.com/rust-lang/rust/issues/29661> for more information
[INFO] [stdout]    = help: add `#![feature(associated_type_defaults)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Stdout` and `Write`
[INFO] [stdout]  --> src/backend/mod.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Stdout, Write};
[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: `std::os::unix::io::AsRawFd`
[INFO] [stdout]  --> src/backend/stdio.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::os::unix::io::AsRawFd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::backend::Writer`
[INFO] [stdout]  --> src/util.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::Writer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util`
[INFO] [stdout]  --> src/util.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::util;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0726]: implicit elided lifetime not allowed here
[INFO] [stdout]  --> src/backend/stdio.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | impl Writer for Output {
[INFO] [stdout]   |      ^^^^^^ expected lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] help: indicate the anonymous lifetime
[INFO] [stdout]   |
[INFO] [stdout] 9 | impl Writer<'_> for Output {
[INFO] [stdout]   |            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/buffer/style.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(self) -> Result<&mut B> {
[INFO] [stdout]    |                                 ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stdout] help: consider using the `'b` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn push(self) -> Result<&'b mut B> {
[INFO] [stdout]    |                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push` found for mutable reference `&mut (Vec<u8>, &mut TtyWithGuard<Stdout>)` in the current scope
[INFO] [stdout]    --> src/buffer/mod.rs:128:14
[INFO] [stdout]     |
[INFO] [stdout] 128 |         self.push(s);
[INFO] [stdout]     |              ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `push_csi` with a similar name, but with different arguments
[INFO] [stdout]    --> src/buffer/mod.rs:76:5
[INFO] [stdout]     |
[INFO] [stdout]  76 |     fn push_csi(&mut self, param: &[u8], tail: u8) -> Result<&mut Self> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]     |
[INFO] [stdout] 128 |         self.0.push(s);
[INFO] [stdout]     |              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: associated type defaults are unstable
[INFO] [stdout]   --> src/backend/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     type BufferRep = (Self::InnerBuffer, &'a mut Self);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #29661 <https://github.com/rust-lang/rust/issues/29661> for more information
[INFO] [stdout]    = help: add `#![feature(associated_type_defaults)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Stdout` and `Write`
[INFO] [stdout]  --> src/backend/mod.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Stdout, Write};
[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: `std::os::unix::io::AsRawFd`
[INFO] [stdout]  --> src/backend/stdio.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::os::unix::io::AsRawFd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::backend::Writer`
[INFO] [stdout]  --> src/util.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::Writer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util`
[INFO] [stdout]  --> src/util.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::util;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `extend_from_slice` found for mutable reference `&mut (Vec<u8>, &mut TtyWithGuard<Stdout>)` in the current scope
[INFO] [stdout]    --> src/buffer/mod.rs:133:14
[INFO] [stdout]     |
[INFO] [stdout] 133 |         self.extend_from_slice(s);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^ method not found in `&mut (Vec<u8>, &mut TtyWithGuard<Stdout>)`
[INFO] [stdout]     |
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]     |
[INFO] [stdout] 133 |         self.0.extend_from_slice(s);
[INFO] [stdout]     |              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/field.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn draw<Bu: Buffer>(&self, buf: &mut Bu, position: (u8, u8)) -> Result<()> {
[INFO] [stdout]    |                                                                     ---------- expected `std::result::Result<(), buffer::Error>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 47 |         buf.push_int_aligned(self.value, 8, true)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `Result<&mut Bu, Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `std::result::Result<(), _>`
[INFO] [stdout]               found enum `std::result::Result<&mut Bu, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_save` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/util.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     buf.push_save()?;
[INFO] [stdout]    |         ^^^^^^^^^ method not found in `Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Buffer` defines an item `push_save`, perhaps you need to implement it
[INFO] [stdout]   --> src/buffer/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait Buffer: Sized {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_goto` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/util.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     buf.push_goto(255, 255)?;
[INFO] [stdout]    |         ^^^^^^^^^ method not found in `Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Buffer` defines an item `push_goto`, perhaps you need to implement it
[INFO] [stdout]   --> src/buffer/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait Buffer: Sized {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_position_request` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/util.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     buf.push_position_request()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ method not found in `Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Buffer` defines an item `push_position_request`, perhaps you need to implement it
[INFO] [stdout]   --> src/buffer/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait Buffer: Sized {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push` found for mutable reference `&mut (Vec<u8>, &mut TtyWithGuard<Stdout>)` in the current scope
[INFO] [stdout]    --> src/buffer/mod.rs:128:14
[INFO] [stdout]     |
[INFO] [stdout] 128 |         self.push(s);
[INFO] [stdout]     |              ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `push_csi` with a similar name, but with different arguments
[INFO] [stdout]    --> src/buffer/mod.rs:76:5
[INFO] [stdout]     |
[INFO] [stdout]  76 |     fn push_csi(&mut self, param: &[u8], tail: u8) -> Result<&mut Self> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]     |
[INFO] [stdout] 128 |         self.0.push(s);
[INFO] [stdout]     |              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_restore` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/util.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     buf.push_restore()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^ method not found in `Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Buffer` defines an item `push_restore`, perhaps you need to implement it
[INFO] [stdout]   --> src/buffer/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait Buffer: Sized {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `extend_from_slice` found for mutable reference `&mut (Vec<u8>, &mut TtyWithGuard<Stdout>)` in the current scope
[INFO] [stdout]    --> src/buffer/mod.rs:133:14
[INFO] [stdout]     |
[INFO] [stdout] 133 |         self.extend_from_slice(s);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^ method not found in `&mut (Vec<u8>, &mut TtyWithGuard<Stdout>)`
[INFO] [stdout]     |
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]     |
[INFO] [stdout] 133 |         self.0.extend_from_slice(s);
[INFO] [stdout]     |              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `submit` found for struct `Stdout` in the current scope
[INFO] [stdout]   --> src/util.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     stdout.submit(buf)?;
[INFO] [stdout]    |            ^^^^^^ method not found in `Stdout`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Buffer` defines an item `submit`, perhaps you need to implement it
[INFO] [stdout]   --> src/buffer/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait Buffer: Sized {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/field.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn draw<Bu: Buffer>(&self, buf: &mut Bu, position: (u8, u8)) -> Result<()> {
[INFO] [stdout]    |                                                                     ---------- expected `std::result::Result<(), buffer::Error>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 47 |         buf.push_int_aligned(self.value, 8, true)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `Result<&mut Bu, Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `std::result::Result<(), _>`
[INFO] [stdout]               found enum `std::result::Result<&mut Bu, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_save` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/util.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     buf.push_save()?;
[INFO] [stdout]    |         ^^^^^^^^^ method not found in `Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Buffer` defines an item `push_save`, perhaps you need to implement it
[INFO] [stdout]   --> src/buffer/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait Buffer: Sized {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_goto` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/util.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     buf.push_goto(255, 255)?;
[INFO] [stdout]    |         ^^^^^^^^^ method not found in `Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Buffer` defines an item `push_goto`, perhaps you need to implement it
[INFO] [stdout]   --> src/buffer/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait Buffer: Sized {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0308, E0599, E0658, E0726.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_position_request` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/util.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     buf.push_position_request()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ method not found in `Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Buffer` defines an item `push_position_request`, perhaps you need to implement it
[INFO] [stdout]   --> src/buffer/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait Buffer: Sized {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `box-drawing` (lib) due to 11 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `push_restore` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]   --> src/util.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     buf.push_restore()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^ method not found in `Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Buffer` defines an item `push_restore`, perhaps you need to implement it
[INFO] [stdout]   --> src/buffer/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait Buffer: Sized {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `submit` found for struct `Stdout` in the current scope
[INFO] [stdout]   --> src/util.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     stdout.submit(buf)?;
[INFO] [stdout]    |            ^^^^^^ method not found in `Stdout`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Buffer` defines an item `submit`, perhaps you need to implement it
[INFO] [stdout]   --> src/buffer/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait Buffer: Sized {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0308, E0599, E0658, E0726.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `box-drawing` (lib test) due to 11 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b6b1c183143f2a7196c0e4f4c76185d3174948b82144e302720f3f130741ddbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b1c183143f2a7196c0e4f4c76185d3174948b82144e302720f3f130741ddbc", kill_on_drop: false }`
[INFO] [stdout] b6b1c183143f2a7196c0e4f4c76185d3174948b82144e302720f3f130741ddbc