[INFO] fetching crate leet-converter 0.0.1...
[INFO] checking leet-converter-0.0.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate leet-converter 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate leet-converter 0.0.1
[INFO] finished tweaking crates.io crate leet-converter 0.0.1
[INFO] tweaked toml for crates.io crate leet-converter 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate leet-converter 0.0.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 538378b7ae869bc83f9eaae549b990db15a77c762df269dd6d59d480409371cb
[INFO] running `Command { std: "docker" "start" "-a" "538378b7ae869bc83f9eaae549b990db15a77c762df269dd6d59d480409371cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "538378b7ae869bc83f9eaae549b990db15a77c762df269dd6d59d480409371cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "538378b7ae869bc83f9eaae549b990db15a77c762df269dd6d59d480409371cb", kill_on_drop: false }`
[INFO] [stdout] 538378b7ae869bc83f9eaae549b990db15a77c762df269dd6d59d480409371cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e0d032d10f534e71decb854f5223bae7d941043e998b3854d050f275393c549
[INFO] running `Command { std: "docker" "start" "-a" "9e0d032d10f534e71decb854f5223bae7d941043e998b3854d050f275393c549", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking leet-converter v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/main.rs:76:35
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     Ok(output) => box LineBufferedWriter::new(output) as Box<Writer>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 76 -                     Ok(output) => box LineBufferedWriter::new(output) as Box<Writer>,
[INFO] [stdout] 76 +                     Ok(output) => Box::new(LineBufferedWriter::new(output)) as Box<Writer>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/main.rs:77:31
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     Err(_) => box stdio::stdout() as Box<Writer>
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 77 -                     Err(_) => box stdio::stdout() as Box<Writer>
[INFO] [stdout] 77 +                     Err(_) => Box::new(stdio::stdout()) as Box<Writer>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/main.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |             None => box stdio::stdout() as Box<Writer>
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 79 -             None => box stdio::stdout() as Box<Writer>
[INFO] [stdout] 79 +             None => Box::new(stdio::stdout()) as Box<Writer>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/main.rs:76:35
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     Ok(output) => box LineBufferedWriter::new(output) as Box<Writer>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 76 -                     Ok(output) => box LineBufferedWriter::new(output) as Box<Writer>,
[INFO] [stdout] 76 +                     Ok(output) => Box::new(LineBufferedWriter::new(output)) as Box<Writer>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/main.rs:77:31
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     Err(_) => box stdio::stdout() as Box<Writer>
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 77 -                     Err(_) => box stdio::stdout() as Box<Writer>
[INFO] [stdout] 77 +                     Err(_) => Box::new(stdio::stdout()) as Box<Writer>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/main.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |             None => box stdio::stdout() as Box<Writer>
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 79 -             None => box stdio::stdout() as Box<Writer>
[INFO] [stdout] 79 +             None => Box::new(stdio::stdout()) as Box<Writer>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `getopts::optopt`, `getopts::optflag`, `getopts::getopts`, `getopts::usage`
[INFO] [stdout]  --> src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use getopts::{optopt, optflag, getopts, OptGroup, usage};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^  ^^^^^^^            ^^^^^ no `usage` in the root
[INFO] [stdout]   |               |       |        |
[INFO] [stdout]   |               |       |        no `getopts` in the root
[INFO] [stdout]   |               |       no `optflag` in the root
[INFO] [stdout]   |               no `optopt` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::BufferedReader`, `std::io::LineBufferedWriter`
[INFO] [stdout]  --> src/main.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{stdio, BufferedReader, LineBufferedWriter};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^ no `LineBufferedWriter` in `io`
[INFO] [stdout]   |                      |
[INFO] [stdout]   |                      no `BufferedReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::File`, `std::io::Open`, `std::io::ReadWrite`
[INFO] [stdout]  --> src/main.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{File, Open, ReadWrite};
[INFO] [stdout]   |               ^^^^  ^^^^  ^^^^^^^^^ no `ReadWrite` in `io`
[INFO] [stdout]   |               |     |
[INFO] [stdout]   |               |     no `Open` in `io`
[INFO] [stdout]   |               no `File` in `io`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           std::fs::File
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Writer` in this scope
[INFO] [stdout]   --> src/main.rs:36:69
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn leetification(input: &mut BufferedReader<File>, output: &mut Box<Writer>) {
[INFO] [stdout]    |                                                                     ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn leetification<Writer>(input: &mut BufferedReader<File>, output: &mut Box<Writer>) {
[INFO] [stdout]    |                 ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `args` in module `os`
[INFO] [stdout]   --> src/main.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let args: Vec<String> = os::args();
[INFO] [stdout]    |                                 ^^^^ not found in `os`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout]  3 + use std::env::args;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `args`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 46 -     let args: Vec<String> = os::args();
[INFO] [stdout] 46 +     let args: Vec<String> = args();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> src/main.rs:65:26
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let input_path = Path::new(matches.free[0].clone());
[INFO] [stdout]    |                          ^^^^ use of undeclared type `Path`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  3 + use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> src/main.rs:74:35
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let output_path = Path::new(output_file);
[INFO] [stdout]    |                                   ^^^^ use of undeclared type `Path`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  3 + use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Writer` in this scope
[INFO] [stdout]   --> src/main.rs:76:78
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     Ok(output) => box LineBufferedWriter::new(output) as Box<Writer>,
[INFO] [stdout]    |                                                                              ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Writer` in this scope
[INFO] [stdout]   --> src/main.rs:77:58
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     Err(_) => box stdio::stdout() as Box<Writer>
[INFO] [stdout]    |                                                          ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Writer` in this scope
[INFO] [stdout]   --> src/main.rs:79:48
[INFO] [stdout]    |
[INFO] [stdout] 79 |             None => box stdio::stdout() as Box<Writer>
[INFO] [stdout]    |                                                ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: struct `OptGroup` is private
[INFO] [stdout]  --> src/main.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use getopts::{optopt, optflag, getopts, OptGroup, usage};
[INFO] [stdout]   |                                         ^^^^^^^^ private struct
[INFO] [stdout]   |
[INFO] [stdout] note: the struct `OptGroup` is defined here
[INFO] [stdout]  --> /rust/deps/getopts-0.2.23/src/lib.rs:761:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `stdio` is private
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{stdio, BufferedReader, LineBufferedWriter};
[INFO] [stdout]   |               ^^^^^ private module
[INFO] [stdout]   |
[INFO] [stdout] note: the module `stdio` is defined here
[INFO] [stdout]  --> /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:344:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate getopts;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `getopts::optopt`, `getopts::optflag`, `getopts::getopts`, `getopts::usage`
[INFO] [stdout]  --> src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use getopts::{optopt, optflag, getopts, OptGroup, usage};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^  ^^^^^^^            ^^^^^ no `usage` in the root
[INFO] [stdout]   |               |       |        |
[INFO] [stdout]   |               |       |        no `getopts` in the root
[INFO] [stdout]   |               |       no `optflag` in the root
[INFO] [stdout]   |               no `optopt` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::BufferedReader`, `std::io::LineBufferedWriter`
[INFO] [stdout]  --> src/main.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{stdio, BufferedReader, LineBufferedWriter};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^ no `LineBufferedWriter` in `io`
[INFO] [stdout]   |                      |
[INFO] [stdout]   |                      no `BufferedReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::File`, `std::io::Open`, `std::io::ReadWrite`
[INFO] [stdout]  --> src/main.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{File, Open, ReadWrite};
[INFO] [stdout]   |               ^^^^  ^^^^  ^^^^^^^^^ no `ReadWrite` in `io`
[INFO] [stdout]   |               |     |
[INFO] [stdout]   |               |     no `Open` in `io`
[INFO] [stdout]   |               no `File` in `io`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           std::fs::File
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/main.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     unleet.as_slice().chars()
[INFO] [stdout]    |            ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Writer` in this scope
[INFO] [stdout]   --> src/main.rs:36:69
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn leetification(input: &mut BufferedReader<File>, output: &mut Box<Writer>) {
[INFO] [stdout]    |                                                                     ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn leetification<Writer>(input: &mut BufferedReader<File>, output: &mut Box<Writer>) {
[INFO] [stdout]    |                 ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `args` in module `os`
[INFO] [stdout]   --> src/main.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let args: Vec<String> = os::args();
[INFO] [stdout]    |                                 ^^^^ not found in `os`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout]  3 + use std::env::args;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `args`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 46 -     let args: Vec<String> = os::args();
[INFO] [stdout] 46 +     let args: Vec<String> = args();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> src/main.rs:65:26
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let input_path = Path::new(matches.free[0].clone());
[INFO] [stdout]    |                          ^^^^ use of undeclared type `Path`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  3 + use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> src/main.rs:74:35
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let output_path = Path::new(output_file);
[INFO] [stdout]    |                                   ^^^^ use of undeclared type `Path`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  3 + use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Writer` in this scope
[INFO] [stdout]   --> src/main.rs:76:78
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     Ok(output) => box LineBufferedWriter::new(output) as Box<Writer>,
[INFO] [stdout]    |                                                                              ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Writer` in this scope
[INFO] [stdout]   --> src/main.rs:77:58
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     Err(_) => box stdio::stdout() as Box<Writer>
[INFO] [stdout]    |                                                          ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Writer` in this scope
[INFO] [stdout]   --> src/main.rs:79:48
[INFO] [stdout]    |
[INFO] [stdout] 79 |             None => box stdio::stdout() as Box<Writer>
[INFO] [stdout]    |                                                ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: struct `OptGroup` is private
[INFO] [stdout]  --> src/main.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use getopts::{optopt, optflag, getopts, OptGroup, usage};
[INFO] [stdout]   |                                         ^^^^^^^^ private struct
[INFO] [stdout]   |
[INFO] [stdout] note: the struct `OptGroup` is defined here
[INFO] [stdout]  --> /rust/deps/getopts-0.2.23/src/lib.rs:761:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `stdio` is private
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{stdio, BufferedReader, LineBufferedWriter};
[INFO] [stdout]   |               ^^^^^ private module
[INFO] [stdout]   |
[INFO] [stdout] note: the module `stdio` is defined here
[INFO] [stdout]  --> /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:344:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate getopts;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/main.rs:31:62
[INFO] [stdout]    |
[INFO] [stdout] 31 |         usage(format!("Usage: leet [OPTION] ... [FILENAME]").as_slice(),
[INFO] [stdout]    |                                                              ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/main.rs:39:61
[INFO] [stdout]    |
[INFO] [stdout] 39 |             let _ = output.write_line(leet_conversion(line).as_slice()); 
[INFO] [stdout]    |                                                             ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leet-converter` (bin "leet-converter") due to 19 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432, E0433, E0599, E0603, E0658.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/main.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     unleet.as_slice().chars()
[INFO] [stdout]    |            ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/main.rs:31:62
[INFO] [stdout]    |
[INFO] [stdout] 31 |         usage(format!("Usage: leet [OPTION] ... [FILENAME]").as_slice(),
[INFO] [stdout]    |                                                              ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/main.rs:39:61
[INFO] [stdout]    |
[INFO] [stdout] 39 |             let _ = output.write_line(leet_conversion(line).as_slice()); 
[INFO] [stdout]    |                                                             ^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432, E0433, E0599, E0603, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leet-converter` (bin "leet-converter" test) due to 19 previous errors
[INFO] running `Command { std: "docker" "inspect" "9e0d032d10f534e71decb854f5223bae7d941043e998b3854d050f275393c549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0d032d10f534e71decb854f5223bae7d941043e998b3854d050f275393c549", kill_on_drop: false }`
[INFO] [stdout] 9e0d032d10f534e71decb854f5223bae7d941043e998b3854d050f275393c549