[INFO] fetching crate etk-asm 0.3.0... [INFO] checking etk-asm-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate etk-asm 0.3.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate etk-asm 0.3.0 [INFO] finished tweaking crates.io crate etk-asm 0.3.0 [INFO] tweaked toml for crates.io crate etk-asm 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate etk-asm 0.3.0 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 crates.io crate etk-asm 0.3.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5cf3be0080afce80ffa616bda1a2af6db2dff1d58cebea24443b56901a5301b1 [INFO] running `Command { std: "docker" "start" "-a" "5cf3be0080afce80ffa616bda1a2af6db2dff1d58cebea24443b56901a5301b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cf3be0080afce80ffa616bda1a2af6db2dff1d58cebea24443b56901a5301b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cf3be0080afce80ffa616bda1a2af6db2dff1d58cebea24443b56901a5301b1", kill_on_drop: false }` [INFO] [stdout] 5cf3be0080afce80ffa616bda1a2af6db2dff1d58cebea24443b56901a5301b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5b31efeedc58dbeb75040e34e9a3d91e3903b37414ad499f2631026db5e74b81 [INFO] running `Command { std: "docker" "start" "-a" "5b31efeedc58dbeb75040e34e9a3d91e3903b37414ad499f2631026db5e74b81", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling syn v1.0.93 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Compiling hex-literal v0.3.4 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking crypto-common v0.1.3 [INFO] [stderr] Checking block-buffer v0.10.2 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking digest v0.10.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking sha3 v0.10.1 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling snafu-derive v0.7.1 [INFO] [stderr] Compiling enum-ordinalize v3.1.11 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling educe v0.4.19 [INFO] [stderr] Checking snafu v0.7.1 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Compiling etk-ops v0.3.0 [INFO] [stderr] Checking etk-asm v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Label` is never constructed [INFO] [stdout] --> src/parse/args.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | pub(super) struct Label(pub(super) String); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/asm.rs:596:39 [INFO] [stdout] | [INFO] [stdout] 596 | ... let new = sizes[tree].with(tree.clone()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/disasm.rs:142:16 [INFO] [stdout] | [INFO] [stdout] 142 | pub fn ops(&mut self) -> Iter { [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] 142 | pub fn ops(&mut self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ingest.rs:253:16 [INFO] [stdout] | [INFO] [stdout] 253 | fn resolve(&mut self, path: PathBuf, scope: Scope) -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 253 | fn resolve(&mut self, path: PathBuf, scope: Scope) -> Result, Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/ops.rs:284:24 [INFO] [stdout] | [INFO] [stdout] 284 | Some(i) => code.with(i).unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse/mod.rs:78:23 [INFO] [stdout] | [INFO] [stdout] 78 | Ok(AbstractOp::Op(spec.with(expr).unwrap())) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `etk-asm` (lib) due to 3 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `Label` is never constructed [INFO] [stdout] --> src/parse/args.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | pub(super) struct Label(pub(super) String); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/asm.rs:596:39 [INFO] [stdout] | [INFO] [stdout] 596 | ... let new = sizes[tree].with(tree.clone()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/disasm.rs:142:16 [INFO] [stdout] | [INFO] [stdout] 142 | pub fn ops(&mut self) -> Iter { [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] 142 | pub fn ops(&mut self) -> Iter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ingest.rs:253:16 [INFO] [stdout] | [INFO] [stdout] 253 | fn resolve(&mut self, path: PathBuf, scope: Scope) -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 253 | fn resolve(&mut self, path: PathBuf, scope: Scope) -> Result, Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/ops.rs:284:24 [INFO] [stdout] | [INFO] [stdout] 284 | Some(i) => code.with(i).unwrap(), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/ops.rs:338:24 [INFO] [stdout] | [INFO] [stdout] 338 | let imm: Imm = x.try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse/mod.rs:78:23 [INFO] [stdout] | [INFO] [stdout] 78 | Ok(AbstractOp::Op(spec.with(expr).unwrap())) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `etk-asm` (lib test) due to 4 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5b31efeedc58dbeb75040e34e9a3d91e3903b37414ad499f2631026db5e74b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b31efeedc58dbeb75040e34e9a3d91e3903b37414ad499f2631026db5e74b81", kill_on_drop: false }` [INFO] [stdout] 5b31efeedc58dbeb75040e34e9a3d91e3903b37414ad499f2631026db5e74b81