[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] checking chi-bits/uwunix against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633 [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] validating manifest of git repo https://github.com/chi-bits/uwunix on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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] 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" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "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 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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4246b29e4faefa8de8b9ecfbff3b3f6a0625338851d4026f1ad230fd17039817 [INFO] running `Command { std: "docker" "start" "-a" "4246b29e4faefa8de8b9ecfbff3b3f6a0625338851d4026f1ad230fd17039817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4246b29e4faefa8de8b9ecfbff3b3f6a0625338851d4026f1ad230fd17039817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4246b29e4faefa8de8b9ecfbff3b3f6a0625338851d4026f1ad230fd17039817", kill_on_drop: false }` [INFO] [stdout] 4246b29e4faefa8de8b9ecfbff3b3f6a0625338851d4026f1ad230fd17039817 [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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 275ba73c6b3f4a4e82c567090ea10d1beffafee954e592c7d488a914d25d4065 [INFO] running `Command { std: "docker" "start" "-a" "275ba73c6b3f4a4e82c567090ea10d1beffafee954e592c7d488a914d25d4065", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking hashbrown v0.14.1 [INFO] [stderr] Checking winnow v0.5.15 [INFO] [stderr] Checking indexmap v2.0.2 [INFO] [stderr] Checking serde_spanned v0.6.3 [INFO] [stderr] Checking toml_datetime v0.6.3 [INFO] [stderr] Checking toml_edit v0.20.1 [INFO] [stderr] Checking toml v0.8.1 [INFO] [stderr] Checking 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)]` on by default [INFO] [stdout] [INFO] [stdout] [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)]` 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)]` 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: 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)]` 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)]` 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] [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)]` 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 6.07s [INFO] running `Command { std: "docker" "inspect" "275ba73c6b3f4a4e82c567090ea10d1beffafee954e592c7d488a914d25d4065", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "275ba73c6b3f4a4e82c567090ea10d1beffafee954e592c7d488a914d25d4065", kill_on_drop: false }` [INFO] [stdout] 275ba73c6b3f4a4e82c567090ea10d1beffafee954e592c7d488a914d25d4065