[INFO] cloning repository https://github.com/jared-hughes/defcpu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jared-hughes/defcpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjared-hughes%2Fdefcpu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjared-hughes%2Fdefcpu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a095614ac434e1f90e2144f6ac878b7e4b8f73d9 [INFO] checking jared-hughes/defcpu against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjared-hughes%2Fdefcpu" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jared-hughes/defcpu [INFO] finished tweaking git repo https://github.com/jared-hughes/defcpu [INFO] tweaked toml for git repo https://github.com/jared-hughes/defcpu written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jared-hughes/defcpu on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jared-hughes/defcpu 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9fcd8fdac2f6824158b83e3c0b28a9b67e5695d8e82b73a485547048d2e2d7b [INFO] running `Command { std: "docker" "start" "-a" "d9fcd8fdac2f6824158b83e3c0b28a9b67e5695d8e82b73a485547048d2e2d7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9fcd8fdac2f6824158b83e3c0b28a9b67e5695d8e82b73a485547048d2e2d7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9fcd8fdac2f6824158b83e3c0b28a9b67e5695d8e82b73a485547048d2e2d7b", kill_on_drop: false }` [INFO] [stdout] d9fcd8fdac2f6824158b83e3c0b28a9b67e5695d8e82b73a485547048d2e2d7b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88e46f264fa81a711af611b810e687953d959b6a0a5c5b6056773b691b0bea81 [INFO] running `Command { std: "docker" "start" "-a" "88e46f264fa81a711af611b810e687953d959b6a0a5c5b6056773b691b0bea81", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.99 [INFO] [stderr] Checking elf v0.7.4 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling wasm-bindgen v0.2.99 [INFO] [stderr] Checking once_cell v1.20.2 [INFO] [stderr] Compiling syn v2.0.93 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking defcpu_core v0.1.0 (/opt/rustwide/workdir/defcpu-core) [INFO] [stdout] warning: associated constants `MIN` and `MAX` are never used [INFO] [stdout] --> defcpu-core/src/num_traits.rs:99:11 [INFO] [stdout] | [INFO] [stdout] 70 | pub trait UNum: [INFO] [stdout] | ---- associated constants in this trait [INFO] [stdout] ... [INFO] [stdout] 99 | const MIN: Self; [INFO] [stdout] | ^^^ [INFO] [stdout] 100 | const MAX: Self; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> defcpu-core/src/decode_inst.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | fn new(mem: &Memory, i: u64) -> Lexer { [INFO] [stdout] | ^^^^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 34 | fn new(mem: &Memory, i: u64) -> Lexer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constants `MIN` and `MAX` are never used [INFO] [stdout] --> defcpu-core/src/num_traits.rs:99:11 [INFO] [stdout] | [INFO] [stdout] 70 | pub trait UNum: [INFO] [stdout] | ---- associated constants in this trait [INFO] [stdout] ... [INFO] [stdout] 99 | const MIN: Self; [INFO] [stdout] | ^^^ [INFO] [stdout] 100 | const MAX: Self; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> defcpu-core/src/decode_inst.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | fn new(mem: &Memory, i: u64) -> Lexer { [INFO] [stdout] | ^^^^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 34 | fn new(mem: &Memory, i: u64) -> Lexer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.99 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking defcpu_cli v0.1.0 (/opt/rustwide/workdir/defcpu-cli) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> defcpu-cli/src/cli.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | / /// Zeroth argument. [INFO] [stdout] 44 | | #[structopt(long, default_value = "/tmp/asm")] [INFO] [stdout] 45 | | arg0: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> defcpu-cli/src/cli.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | / /// Zeroth argument. [INFO] [stdout] 44 | | #[structopt(long, default_value = "/tmp/asm")] [INFO] [stdout] 45 | | arg0: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> defcpu-cli/src/cli.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | / /// Arguments vector. [INFO] [stdout] 48 | | #[structopt(long)] [INFO] [stdout] 49 | | argv: Option>, [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> defcpu-cli/src/cli.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | / /// Environment vector. Can be empty. [INFO] [stdout] 52 | | #[structopt(long)] [INFO] [stdout] 53 | | envp: Option>, [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> defcpu-cli/src/cli.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | / /// Arguments vector. [INFO] [stdout] 48 | | #[structopt(long)] [INFO] [stdout] 49 | | argv: Option>, [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> defcpu-cli/src/cli.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | / /// Environment vector. Can be empty. [INFO] [stdout] 52 | | #[structopt(long)] [INFO] [stdout] 53 | | envp: Option>, [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `defcpu_cli` (bin "defcpu" test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `defcpu_cli` (bin "defcpu") due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "88e46f264fa81a711af611b810e687953d959b6a0a5c5b6056773b691b0bea81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88e46f264fa81a711af611b810e687953d959b6a0a5c5b6056773b691b0bea81", kill_on_drop: false }` [INFO] [stdout] 88e46f264fa81a711af611b810e687953d959b6a0a5c5b6056773b691b0bea81