[INFO] fetching crate epson 0.2.2... [INFO] testing epson-0.2.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate epson 0.2.2 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate epson 0.2.2 [INFO] finished tweaking crates.io crate epson 0.2.2 [INFO] tweaked toml for crates.io crate epson 0.2.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate epson 0.2.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate epson 0.2.2 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.101 [INFO] [stderr] Downloaded fax_derive v0.2.0 [INFO] [stderr] Downloaded fax v0.2.6 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.101 [INFO] [stderr] Downloaded wasm-bindgen v0.2.101 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.101 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.101 [INFO] [stderr] Downloaded wasi v0.14.7+wasi-0.2.4 [INFO] [stderr] Downloaded av1-grain v0.2.4 [INFO] [stderr] Downloaded bytemuck v1.23.2 [INFO] [stderr] Downloaded imgref v1.11.0 [INFO] [stderr] Downloaded anyhow v1.0.99 [INFO] [stderr] Downloaded cc v1.2.37 [INFO] [stderr] Downloaded indexmap v2.11.3 [INFO] [stderr] Downloaded png v0.18.0 [INFO] [stderr] Downloaded moxcms v0.7.5 [INFO] [stderr] Downloaded image v0.25.8 [INFO] [stderr] Downloaded pxfm v0.1.23 [INFO] [stderr] Downloaded tiff v0.10.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3ae74c298b15e3fb5a090de7894da1a6eefab0e509ec5613b93607678b00a06 [INFO] running `Command { std: "docker" "start" "-a" "e3ae74c298b15e3fb5a090de7894da1a6eefab0e509ec5613b93607678b00a06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3ae74c298b15e3fb5a090de7894da1a6eefab0e509ec5613b93607678b00a06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3ae74c298b15e3fb5a090de7894da1a6eefab0e509ec5613b93607678b00a06", kill_on_drop: false }` [INFO] [stdout] e3ae74c298b15e3fb5a090de7894da1a6eefab0e509ec5613b93607678b00a06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51b115cb36a69e165b2993e2c69d3c93e4043241a1ef0b5ed0575fe152cf1d0b [INFO] running `Command { std: "docker" "start" "-a" "51b115cb36a69e165b2993e2c69d3c93e4043241a1ef0b5ed0575fe152cf1d0b", kill_on_drop: false }` [INFO] [stderr] Compiling simd-adler32 v0.3.7 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling anyhow v1.0.99 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling adler2 v2.0.1 [INFO] [stderr] Compiling arrayvec v0.7.6 [INFO] [stderr] 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Compiling zune-inflate v0.2.54 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling bytemuck v1.23.2 [INFO] [stderr] Compiling rgb v0.8.52 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling bit_field v0.10.3 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling byteorder-lite v0.1.0 [INFO] [stderr] Compiling lebe v0.5.3 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling gif v0.13.3 [INFO] [stderr] Compiling qoi v0.4.1 [INFO] [stderr] Compiling png v0.18.0 [INFO] [stderr] Compiling exr v1.73.0 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling pxfm v0.1.23 [INFO] [stderr] Compiling image-webp v0.2.4 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling maybe-rayon v0.1.1 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling moxcms v0.7.5 [INFO] [stderr] Compiling equator-macro v0.4.2 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling profiling-procmacros v1.0.17 [INFO] [stderr] Compiling arg_enum_proc_macro v0.3.4 [INFO] [stderr] Compiling fax_derive v0.2.0 [INFO] [stderr] Compiling num-derive v0.4.2 [INFO] [stderr] Compiling profiling v1.0.17 [INFO] [stderr] Compiling equator v0.4.2 [INFO] [stderr] Compiling fax v0.2.6 [INFO] [stderr] Compiling aligned-vec v0.6.4 [INFO] [stderr] Compiling v_frame v0.3.9 [INFO] [stderr] Compiling tiff v0.10.3 [INFO] [stderr] Compiling av1-grain v0.2.4 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling ravif v0.11.20 [INFO] [stderr] Compiling image v0.25.8 [INFO] [stderr] Compiling epson v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.63s [INFO] running `Command { std: "docker" "inspect" "51b115cb36a69e165b2993e2c69d3c93e4043241a1ef0b5ed0575fe152cf1d0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51b115cb36a69e165b2993e2c69d3c93e4043241a1ef0b5ed0575fe152cf1d0b", kill_on_drop: false }` [INFO] [stdout] 51b115cb36a69e165b2993e2c69d3c93e4043241a1ef0b5ed0575fe152cf1d0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 532ba2980f818473b9297dd1791defb0db7d5a3d3c8aa6d86a4cc4e1ddc210c3 [INFO] running `Command { std: "docker" "start" "-a" "532ba2980f818473b9297dd1791defb0db7d5a3d3c8aa6d86a4cc4e1ddc210c3", kill_on_drop: false }` [INFO] [stderr] Compiling epson v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s [INFO] running `Command { std: "docker" "inspect" "532ba2980f818473b9297dd1791defb0db7d5a3d3c8aa6d86a4cc4e1ddc210c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "532ba2980f818473b9297dd1791defb0db7d5a3d3c8aa6d86a4cc4e1ddc210c3", kill_on_drop: false }` [INFO] [stdout] 532ba2980f818473b9297dd1791defb0db7d5a3d3c8aa6d86a4cc4e1ddc210c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 23aa645aebd6965cdc63b7d04ef44a66522a19a2cf4549f1fc63798da0486bf3 [INFO] running `Command { std: "docker" "start" "-a" "23aa645aebd6965cdc63b7d04ef44a66522a19a2cf4549f1fc63798da0486bf3", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/epson-c9459da2a768272d) [INFO] [stdout] [INFO] [stdout] running 28 tests [INFO] [stdout] test barcode::tests::test_upca_invalid_length ... ok [INFO] [stdout] test barcode::tests::test_upca_valid ... ok [INFO] [stdout] test barcode::tests::test_upca_invalid_characters ... ok [INFO] [stdout] test commands::tests::encode_char_page_raw ... ok [INFO] [stdout] test commands::tests::encode_cut ... ok [INFO] [stdout] test commands::tests::encode_double_strike_true ... ok [INFO] [stdout] test commands::tests::encode_emphasize_false ... ok [INFO] [stdout] test commands::tests::encode_double_strike_false ... ok [INFO] [stdout] test commands::tests::encode_justify_center ... ok [INFO] [stdout] test commands::tests::encode_init ... ok [INFO] [stdout] test commands::tests::encode_justify_left ... ok [INFO] [stdout] test commands::tests::encode_emphasize_true ... ok [INFO] [stdout] test commands::tests::encode_hri_position_above ... ok [INFO] [stdout] test commands::tests::encode_hri_position_below ... ok [INFO] [stdout] test commands::tests::encode_hri_position_both ... ok [INFO] [stdout] test commands::tests::encode_hri_position_none ... ok [INFO] [stdout] test commands::tests::encode_reverse_false ... ok [INFO] [stdout] test commands::tests::encode_underline_true ... ok [INFO] [stdout] test commands::tests::feed_0 ... ok [INFO] [stdout] test commands::tests::speed_1 ... ok [INFO] [stdout] test commands::tests::encode_reverse_true ... ok [INFO] [stdout] test commands::tests::encode_underline_false ... ok [INFO] [stdout] test commands::tests::test_barcode_upca ... ok [INFO] [stdout] test commands::tests::feed_10 ... ok [INFO] [stdout] test commands::tests::speed_8 ... ok [INFO] [stdout] test commands::tests::speed_9 ... ok [INFO] [stdout] test commands::tests::encode_char_page_unicode ... ok [INFO] [stdout] test commands::tests::encode_justify_right ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests epson [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 79) ... FAILED [INFO] [stdout] test src/lib.rs - (line 60) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 79) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TcpStream` [INFO] [stdout] --> src/lib.rs:81:14 [INFO] [stdout] | [INFO] [stdout] 81 | let stream = TcpStream::connect("192.168.0.12:9100").await.unwrap(); [INFO] [stdout] | ^^^^^^^^^ use of undeclared type `TcpStream` [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 78 + use std::net::TcpStream; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Model` [INFO] [stdout] --> src/lib.rs:82:35 [INFO] [stdout] | [INFO] [stdout] 82 | let mut pos = epson::Writer::open(Model::T20II, Box::new(stream)).await.unwrap(); [INFO] [stdout] | ^^^^^ use of undeclared type `Model` [INFO] [stdout] | [INFO] [stdout] help: consider importing this enum [INFO] [stdout] | [INFO] [stdout] 78 + use epson::Model; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/lib.rs:81:54 [INFO] [stdout] | [INFO] [stdout] 80 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_79_0() { [INFO] [stdout] | ---------------------------------- this is not `async` [INFO] [stdout] 81 | let stream = TcpStream::connect("192.168.0.12:9100").await.unwrap(); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/lib.rs:82:67 [INFO] [stdout] | [INFO] [stdout] 80 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_79_0() { [INFO] [stdout] | ---------------------------------- this is not `async` [INFO] [stdout] 81 | let stream = TcpStream::connect("192.168.0.12:9100").await.unwrap(); [INFO] [stdout] 82 | let mut pos = epson::Writer::open(Model::T20II, Box::new(stream)).await.unwrap(); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/lib.rs:84:14 [INFO] [stdout] | [INFO] [stdout] 80 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_79_0() { [INFO] [stdout] | ---------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 84 | pos.speed(5).await.unwrap(); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/lib.rs:85:37 [INFO] [stdout] | [INFO] [stdout] 80 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_79_0() { [INFO] [stdout] | ---------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 85 | pos.write_all(b"HACK THE PLANET\n").await.unwrap(); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/lib.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 80 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_79_0() { [INFO] [stdout] | ---------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 86 | pos.feed(5).await.unwrap(); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/lib.rs:87:11 [INFO] [stdout] | [INFO] [stdout] 80 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_79_0() { [INFO] [stdout] | ---------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 87 | pos.cut().await.unwrap(); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0599]: no function or associated item named `open` found for struct `Writer` in the current scope [INFO] [stdout] --> src/lib.rs:82:30 [INFO] [stdout] | [INFO] [stdout] 82 | let mut pos = epson::Writer::open(Model::T20II, Box::new(stream)).await.unwrap(); [INFO] [stdout] | ^^^^ function or associated item not found in `Writer<_>` [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: trait `StdWriterExt` which provides `open` is implemented but not in scope; perhaps you want to import it [INFO] [stdout] | [INFO] [stdout] 78 + use crate::epson::StdWriterExt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 9 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0433, E0599, E0728. [INFO] [stdout] For more information about an error, try `rustc --explain E0433`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 60) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TcpStream` [INFO] [stdout] --> src/lib.rs:63:14 [INFO] [stdout] | [INFO] [stdout] 63 | let stream = TcpStream::connect("192.168.0.12:9100").unwrap(); [INFO] [stdout] | ^^^^^^^^^ use of undeclared type `TcpStream` [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 59 + use std::net::TcpStream; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Model` [INFO] [stdout] --> src/lib.rs:64:35 [INFO] [stdout] | [INFO] [stdout] 64 | let mut pos = epson::Writer::open(Model::T20II, Box::new(stream)).unwrap(); [INFO] [stdout] | ^^^^^ use of undeclared type `Model` [INFO] [stdout] | [INFO] [stdout] help: consider importing this enum [INFO] [stdout] | [INFO] [stdout] 59 + use epson::Model; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0599]: no function or associated item named `open` found for struct `Writer` in the current scope [INFO] [stdout] --> src/lib.rs:64:30 [INFO] [stdout] | [INFO] [stdout] 64 | let mut pos = epson::Writer::open(Model::T20II, Box::new(stream)).unwrap(); [INFO] [stdout] | ^^^^ function or associated item not found in `Writer<_>` [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: trait `StdWriterExt` which provides `open` is implemented but not in scope; perhaps you want to import it [INFO] [stdout] | [INFO] [stdout] 59 + use crate::epson::StdWriterExt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0433, E0599. [INFO] [stdout] For more information about an error, try `rustc --explain E0433`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 60) [INFO] [stdout] src/lib.rs - (line 79) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s [INFO] [stdout] [INFO] [stdout] all doctests ran in 0.37s; merged doctests compilation took 0.11s [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "23aa645aebd6965cdc63b7d04ef44a66522a19a2cf4549f1fc63798da0486bf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23aa645aebd6965cdc63b7d04ef44a66522a19a2cf4549f1fc63798da0486bf3", kill_on_drop: false }` [INFO] [stdout] 23aa645aebd6965cdc63b7d04ef44a66522a19a2cf4549f1fc63798da0486bf3