[INFO] cloning repository https://github.com/hexagonal-sun/rust-alignment-error [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hexagonal-sun/rust-alignment-error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhexagonal-sun%2Frust-alignment-error", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhexagonal-sun%2Frust-alignment-error'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 19f9760f387c705ab218e7fab57fc80f93539289 [INFO] checking hexagonal-sun/rust-alignment-error against master#a5db378dc14a40dd1580c27fb8362156446382c3 for pr-136490 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhexagonal-sun%2Frust-alignment-error" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hexagonal-sun/rust-alignment-error on toolchain a5db378dc14a40dd1580c27fb8362156446382c3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hexagonal-sun/rust-alignment-error [INFO] finished tweaking git repo https://github.com/hexagonal-sun/rust-alignment-error [INFO] tweaked toml for git repo https://github.com/hexagonal-sun/rust-alignment-error written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hexagonal-sun/rust-alignment-error 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" "+a5db378dc14a40dd1580c27fb8362156446382c3" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c9d04f2d894a0919189d8d0cddf03b08cd956061af184df150a9f023384efc4 [INFO] running `Command { std: "docker" "start" "-a" "3c9d04f2d894a0919189d8d0cddf03b08cd956061af184df150a9f023384efc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c9d04f2d894a0919189d8d0cddf03b08cd956061af184df150a9f023384efc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c9d04f2d894a0919189d8d0cddf03b08cd956061af184df150a9f023384efc4", kill_on_drop: false }` [INFO] [stdout] 3c9d04f2d894a0919189d8d0cddf03b08cd956061af184df150a9f023384efc4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db62891b290f128aab87f7bc5f66a142bc9c5cb571390d1cde46cc51aeaaad96 [INFO] running `Command { std: "docker" "start" "-a" "db62891b290f128aab87f7bc5f66a142bc9c5cb571390d1cde46cc51aeaaad96", kill_on_drop: false }` [INFO] [stderr] Checking alignment-error v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `stack_class` is never read [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct HeapVisitor<'a> { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 39 | stack: Vec<(&'a Ast, Frame<'a>)>, [INFO] [stdout] 40 | stack_class: Vec>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Group` and `Alternation` are never constructed [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 43 | enum Frame<'a> { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 44 | Group(&'a Group), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 45 | Concat { head: &'a Ast, tail: &'a [Ast] }, [INFO] [stdout] 46 | Alternation { head: &'a Ast, tail: &'a [Ast] }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `BinaryOp` is never constructed [INFO] [stdout] --> src/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 49 | enum ClassInduct<'a> { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 50 | BinaryOp(&'a ClassSetBinaryOp), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/main.rs:11:44 [INFO] [stdout] | [INFO] [stdout] 11 | static mut PTR: *mut u8 = unsafe { MEM.as_mut_ptr() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `stack_class` is never read [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct HeapVisitor<'a> { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 39 | stack: Vec<(&'a Ast, Frame<'a>)>, [INFO] [stdout] 40 | stack_class: Vec>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Group` and `Alternation` are never constructed [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 43 | enum Frame<'a> { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 44 | Group(&'a Group), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 45 | Concat { head: &'a Ast, tail: &'a [Ast] }, [INFO] [stdout] 46 | Alternation { head: &'a Ast, tail: &'a [Ast] }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `BinaryOp` is never constructed [INFO] [stdout] --> src/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 49 | enum ClassInduct<'a> { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 50 | BinaryOp(&'a ClassSetBinaryOp), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/main.rs:11:44 [INFO] [stdout] | [INFO] [stdout] 11 | static mut PTR: *mut u8 = unsafe { MEM.as_mut_ptr() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "db62891b290f128aab87f7bc5f66a142bc9c5cb571390d1cde46cc51aeaaad96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db62891b290f128aab87f7bc5f66a142bc9c5cb571390d1cde46cc51aeaaad96", kill_on_drop: false }` [INFO] [stdout] db62891b290f128aab87f7bc5f66a142bc9c5cb571390d1cde46cc51aeaaad96