[INFO] cloning repository https://github.com/chi-bits/uwunix [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chi-bits/uwunix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchi-bits%2Fuwunix", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchi-bits%2Fuwunix'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 979cfd9c9b56ea1d1e130fb87da8e66d03f1ef9e [INFO] testing chi-bits/uwunix against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchi-bits%2Fuwunix" "/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/chi-bits/uwunix [INFO] finished tweaking git repo https://github.com/chi-bits/uwunix [INFO] tweaked toml for git repo https://github.com/chi-bits/uwunix written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/chi-bits/uwunix on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/chi-bits/uwunix 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded toml v0.8.1 [INFO] [stderr] Downloaded winnow v0.5.15 [INFO] [stderr] Downloaded toml_edit v0.20.1 [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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] deb14425b09ada1801fb26c2f9a08d593882ba8f285ef45093ff9acf8ea1e9ca [INFO] running `Command { std: "docker" "start" "-a" "deb14425b09ada1801fb26c2f9a08d593882ba8f285ef45093ff9acf8ea1e9ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "deb14425b09ada1801fb26c2f9a08d593882ba8f285ef45093ff9acf8ea1e9ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "deb14425b09ada1801fb26c2f9a08d593882ba8f285ef45093ff9acf8ea1e9ca", kill_on_drop: false }` [INFO] [stdout] deb14425b09ada1801fb26c2f9a08d593882ba8f285ef45093ff9acf8ea1e9ca [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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1fb29b7d1acdf09568bc4be22f398f55d380472335af84a410f4bc0fe765f156 [INFO] running `Command { std: "docker" "start" "-a" "1fb29b7d1acdf09568bc4be22f398f55d380472335af84a410f4bc0fe765f156", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling hashbrown v0.14.1 [INFO] [stderr] Compiling winnow v0.5.15 [INFO] [stderr] Compiling indexmap v2.0.2 [INFO] [stderr] Compiling serde_spanned v0.6.3 [INFO] [stderr] Compiling toml_datetime v0.6.3 [INFO] [stderr] Compiling toml_edit v0.20.1 [INFO] [stderr] Compiling toml v0.8.1 [INFO] [stderr] Compiling uwunix v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/disk.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut buf: Vec = vec![0xff; 0xffff]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `read` and `write` are never used [INFO] [stdout] --> src/disk.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Disk { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn read(&self, addr: u16) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn write(&mut self, addr: u16, val: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pcbuf`, `instrbuf`, `ram`, and `port` are never read [INFO] [stdout] --> src/cpu.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Cpu { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | pcbuf: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 11 | instrbuf: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 12 | ram: [u8; 0xffff], [INFO] [stdout] | ^^^ [INFO] [stdout] 13 | port: iocat::Port, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clock` is never used [INFO] [stdout] --> src/cpu.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl Cpu { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | fn clock(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `rw`, `devaddr`, and `byte` are never read [INFO] [stdout] --> src/./iocat.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Port { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 2 | pub rw: bool, // write = true, read = false [INFO] [stdout] | ^^ [INFO] [stdout] 3 | pub devaddr: u16, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 4 | pub byte: u8, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read` is never used [INFO] [stdout] --> src/./iocat.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Port { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 8 | pub fn read(&mut self, addr: u16, byt: u8) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/disk.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | f.expect("yay").read_to_end(buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 16 | let _ = f.expect("yay").read_to_end(buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.15s [INFO] running `Command { std: "docker" "inspect" "1fb29b7d1acdf09568bc4be22f398f55d380472335af84a410f4bc0fe765f156", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fb29b7d1acdf09568bc4be22f398f55d380472335af84a410f4bc0fe765f156", kill_on_drop: false }` [INFO] [stdout] 1fb29b7d1acdf09568bc4be22f398f55d380472335af84a410f4bc0fe765f156 [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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b9f85245b1c7493be868198965d9130b75138163741b3f297201960740c6727 [INFO] running `Command { std: "docker" "start" "-a" "2b9f85245b1c7493be868198965d9130b75138163741b3f297201960740c6727", kill_on_drop: false }` [INFO] [stderr] Compiling uwunix v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/disk.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut buf: Vec = vec![0xff; 0xffff]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `read` and `write` are never used [INFO] [stdout] --> src/disk.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Disk { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn read(&self, addr: u16) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn write(&mut self, addr: u16, val: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pcbuf`, `instrbuf`, `ram`, and `port` are never read [INFO] [stdout] --> src/cpu.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Cpu { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | pcbuf: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 11 | instrbuf: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 12 | ram: [u8; 0xffff], [INFO] [stdout] | ^^^ [INFO] [stdout] 13 | port: iocat::Port, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clock` is never used [INFO] [stdout] --> src/cpu.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl Cpu { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 49 | fn clock(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `rw`, `devaddr`, and `byte` are never read [INFO] [stdout] --> src/./iocat.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Port { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 2 | pub rw: bool, // write = true, read = false [INFO] [stdout] | ^^ [INFO] [stdout] 3 | pub devaddr: u16, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 4 | pub byte: u8, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read` is never used [INFO] [stdout] --> src/./iocat.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Port { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 8 | pub fn read(&mut self, addr: u16, byt: u8) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/disk.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | f.expect("yay").read_to_end(buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 16 | let _ = f.expect("yay").read_to_end(buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "2b9f85245b1c7493be868198965d9130b75138163741b3f297201960740c6727", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b9f85245b1c7493be868198965d9130b75138163741b3f297201960740c6727", kill_on_drop: false }` [INFO] [stdout] 2b9f85245b1c7493be868198965d9130b75138163741b3f297201960740c6727 [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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3005a8cf202540c0244efbdf81e1a33c376ae0a2f62431d4394800f85a9f82a7 [INFO] running `Command { std: "docker" "start" "-a" "3005a8cf202540c0244efbdf81e1a33c376ae0a2f62431d4394800f85a9f82a7", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/disk.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | let mut buf: Vec = vec![0xff; 0xffff]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: methods `read` and `write` are never used [INFO] [stderr] --> src/disk.rs:62:12 [INFO] [stderr] | [INFO] [stderr] 25 | impl Disk { [INFO] [stderr] | --------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 62 | pub fn read(&self, addr: u16) -> u8 { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 66 | pub fn write(&mut self, addr: u16, val: u8) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `pcbuf`, `instrbuf`, `ram`, and `port` are never read [INFO] [stderr] --> src/cpu.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Cpu { [INFO] [stderr] | --- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 10 | pcbuf: u64, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 11 | instrbuf: Vec, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 12 | ram: [u8; 0xffff], [INFO] [stderr] | ^^^ [INFO] [stderr] 13 | port: iocat::Port, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `clock` is never used [INFO] [stderr] --> src/cpu.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 16 | impl Cpu { [INFO] [stderr] | -------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 49 | fn clock(&mut self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `rw`, `devaddr`, and `byte` are never read [INFO] [stderr] --> src/./iocat.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Port { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] 2 | pub rw: bool, // write = true, read = false [INFO] [stderr] | ^^ [INFO] [stderr] 3 | pub devaddr: u16, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 4 | pub byte: u8, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `read` is never used [INFO] [stderr] --> src/./iocat.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 7 | impl Port { [INFO] [stderr] | --------- method in this implementation [INFO] [stderr] 8 | pub fn read(&mut self, addr: u16, byt: u8) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/disk.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | f.expect("yay").read_to_end(buffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 16 | let _ = f.expect("yay").read_to_end(buffer); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `uwunix` (bin "uwunix" test) generated 7 warnings (run `cargo fix --bin "uwunix" -p uwunix --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/uwunix-14b71c7822021d53) [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" "3005a8cf202540c0244efbdf81e1a33c376ae0a2f62431d4394800f85a9f82a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3005a8cf202540c0244efbdf81e1a33c376ae0a2f62431d4394800f85a9f82a7", kill_on_drop: false }` [INFO] [stdout] 3005a8cf202540c0244efbdf81e1a33c376ae0a2f62431d4394800f85a9f82a7