[INFO] cloning repository https://github.com/garyemerson/kindle_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garyemerson/kindle_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fkindle_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fkindle_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 82aa658b8ec3442181ccb917383d809c92ea9f88 [INFO] testing garyemerson/kindle_rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fkindle_rust" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/garyemerson/kindle_rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-12/source/.cargo/config [INFO] started tweaking git repo https://github.com/garyemerson/kindle_rust [INFO] finished tweaking git repo https://github.com/garyemerson/kindle_rust [INFO] tweaked toml for git repo https://github.com/garyemerson/kindle_rust written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/garyemerson/kindle_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1beb99ba14534ccae8f2bfe936fc787f7f900ca6c488d03eab8cb9058ccf2c84 [INFO] running `Command { std: "docker" "start" "-a" "1beb99ba14534ccae8f2bfe936fc787f7f900ca6c488d03eab8cb9058ccf2c84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1beb99ba14534ccae8f2bfe936fc787f7f900ca6c488d03eab8cb9058ccf2c84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1beb99ba14534ccae8f2bfe936fc787f7f900ca6c488d03eab8cb9058ccf2c84", kill_on_drop: false }` [INFO] [stdout] 1beb99ba14534ccae8f2bfe936fc787f7f900ca6c488d03eab8cb9058ccf2c84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0d51d3cf0c6943513ebe61238b6cc4ea9d90dcf092906f0d4a309641c16d40e [INFO] running `Command { std: "docker" "start" "-a" "f0d51d3cf0c6943513ebe61238b6cc4ea9d90dcf092906f0d4a309641c16d40e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling adler32 v1.0.3 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling inflate v0.4.3 [INFO] [stderr] Compiling deflate v0.7.18 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling gif v0.10.0 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling memmap v0.6.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling quote v0.6.6 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling png v0.12.0 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling image v0.19.0 [INFO] [stderr] Compiling kindle_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `stdout` [INFO] [stdout] --> src/main.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, stdin, stdout, Write}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `thread_rng` [INFO] [stdout] --> src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | use rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:157:16 [INFO] [stdout] | [INFO] [stdout] 157 | inner: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:326:5 [INFO] [stdout] | [INFO] [stdout] 324 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 325 | [INFO] [stdout] 326 | env::set_var("RUST_BACKTRACE", "1"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:5:36 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, stdin, stdout, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `waveform_mode` [INFO] [stdout] --> src/main.rs:77:11 [INFO] [stdout] | [INFO] [stdout] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_waveform_mode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `update_mode` [INFO] [stdout] --> src/main.rs:77:31 [INFO] [stdout] | [INFO] [stdout] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_mode` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `update_marker` [INFO] [stdout] --> src/main.rs:77:49 [INFO] [stdout] | [INFO] [stdout] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_marker` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `height` [INFO] [stdout] --> src/main.rs:290:5 [INFO] [stdout] | [INFO] [stdout] 290 | height: u32, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `foo_draw` [INFO] [stdout] --> src/main.rs:285:4 [INFO] [stdout] | [INFO] [stdout] 285 | fn foo_draw( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 19s [INFO] running `Command { std: "docker" "inspect" "f0d51d3cf0c6943513ebe61238b6cc4ea9d90dcf092906f0d4a309641c16d40e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0d51d3cf0c6943513ebe61238b6cc4ea9d90dcf092906f0d4a309641c16d40e", kill_on_drop: false }` [INFO] [stdout] f0d51d3cf0c6943513ebe61238b6cc4ea9d90dcf092906f0d4a309641c16d40e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 11e5556c337ce7efb67f865546941432c3e3b7cca23f5436471ad066925fa9d9 [INFO] running `Command { std: "docker" "start" "-a" "11e5556c337ce7efb67f865546941432c3e3b7cca23f5436471ad066925fa9d9", kill_on_drop: false }` [INFO] [stderr] Compiling kindle_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `stdout` [INFO] [stdout] --> src/main.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, stdin, stdout, Write}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `thread_rng` [INFO] [stdout] --> src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | use rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:157:16 [INFO] [stdout] | [INFO] [stdout] 157 | inner: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:326:5 [INFO] [stdout] | [INFO] [stdout] 324 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 325 | [INFO] [stdout] 326 | env::set_var("RUST_BACKTRACE", "1"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:5:36 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, stdin, stdout, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `waveform_mode` [INFO] [stdout] --> src/main.rs:77:11 [INFO] [stdout] | [INFO] [stdout] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_waveform_mode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `update_mode` [INFO] [stdout] --> src/main.rs:77:31 [INFO] [stdout] | [INFO] [stdout] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_mode` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `update_marker` [INFO] [stdout] --> src/main.rs:77:49 [INFO] [stdout] | [INFO] [stdout] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_marker` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `height` [INFO] [stdout] --> src/main.rs:290:5 [INFO] [stdout] | [INFO] [stdout] 290 | height: u32, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `foo_draw` [INFO] [stdout] --> src/main.rs:285:4 [INFO] [stdout] | [INFO] [stdout] 285 | fn foo_draw( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `Command { std: "docker" "inspect" "11e5556c337ce7efb67f865546941432c3e3b7cca23f5436471ad066925fa9d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11e5556c337ce7efb67f865546941432c3e3b7cca23f5436471ad066925fa9d9", kill_on_drop: false }` [INFO] [stdout] 11e5556c337ce7efb67f865546941432c3e3b7cca23f5436471ad066925fa9d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e6d656c3529808bae104629e0cba981b3c2e6dbdc8a030116e77207ecdd52d02 [INFO] running `Command { std: "docker" "start" "-a" "e6d656c3529808bae104629e0cba981b3c2e6dbdc8a030116e77207ecdd52d02", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `stdout` [INFO] [stderr] --> src/main.rs:5:28 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::{Read, stdin, stdout, Write}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Rng`, `thread_rng` [INFO] [stderr] --> src/main.rs:18:12 [INFO] [stderr] | [INFO] [stderr] 18 | use rand::{thread_rng, Rng}; [INFO] [stderr] | ^^^^^^^^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:157:16 [INFO] [stderr] | [INFO] [stderr] 157 | inner: Box>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:326:5 [INFO] [stderr] | [INFO] [stderr] 324 | return; [INFO] [stderr] | ------ any code following this expression is unreachable [INFO] [stderr] 325 | [INFO] [stderr] 326 | env::set_var("RUST_BACKTRACE", "1"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/main.rs:5:36 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::{Read, stdin, stdout, Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `waveform_mode` [INFO] [stderr] --> src/main.rs:77:11 [INFO] [stderr] | [INFO] [stderr] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_waveform_mode` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `update_mode` [INFO] [stderr] --> src/main.rs:77:31 [INFO] [stderr] | [INFO] [stderr] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_mode` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `update_marker` [INFO] [stderr] --> src/main.rs:77:49 [INFO] [stderr] | [INFO] [stderr] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_marker` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `height` [INFO] [stderr] --> src/main.rs:290:5 [INFO] [stderr] | [INFO] [stderr] 290 | height: u32, [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `foo_draw` [INFO] [stderr] --> src/main.rs:285:4 [INFO] [stderr] | [INFO] [stderr] 285 | fn foo_draw( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `kindle_rust` (bin "kindle_rust" test) generated 10 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/kindle_rust-31e47393c5a6bc44) [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] running `Command { std: "docker" "inspect" "e6d656c3529808bae104629e0cba981b3c2e6dbdc8a030116e77207ecdd52d02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6d656c3529808bae104629e0cba981b3c2e6dbdc8a030116e77207ecdd52d02", kill_on_drop: false }` [INFO] [stdout] e6d656c3529808bae104629e0cba981b3c2e6dbdc8a030116e77207ecdd52d02