[INFO] cloning repository https://github.com/kevinclancy/MaMaRust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinclancy/MaMaRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclancy%2FMaMaRust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclancy%2FMaMaRust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cbe0eb435974e531dc6f1cd8b4651bfa430aa18d [INFO] checking kevinclancy/MaMaRust 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%2Fkevinclancy%2FMaMaRust" "/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/kevinclancy/MaMaRust [INFO] finished tweaking git repo https://github.com/kevinclancy/MaMaRust [INFO] tweaked toml for git repo https://github.com/kevinclancy/MaMaRust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kevinclancy/MaMaRust 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/kevinclancy/MaMaRust 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] f1ba1309e6d0bc79f6cdacf5c6e61bda3eefee7cdd66b284f71a7e260aeb6ab6 [INFO] running `Command { std: "docker" "start" "-a" "f1ba1309e6d0bc79f6cdacf5c6e61bda3eefee7cdd66b284f71a7e260aeb6ab6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1ba1309e6d0bc79f6cdacf5c6e61bda3eefee7cdd66b284f71a7e260aeb6ab6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1ba1309e6d0bc79f6cdacf5c6e61bda3eefee7cdd66b284f71a7e260aeb6ab6", kill_on_drop: false }` [INFO] [stdout] f1ba1309e6d0bc79f6cdacf5c6e61bda3eefee7cdd66b284f71a7e260aeb6ab6 [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] c925623b8ed74e49f69db1cfd6afac3e529f7d65a8ad197c0484bef118f728cb [INFO] running `Command { std: "docker" "start" "-a" "c925623b8ed74e49f69db1cfd6afac3e529f7d65a8ad197c0484bef118f728cb", kill_on_drop: false }` [INFO] [stderr] Compiling find-msvc-tools v0.1.0 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Compiling im v15.1.0 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Compiling cc v1.2.35 [INFO] [stderr] Checking ahash v0.8.12 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking sized-chunks v0.6.5 [INFO] [stderr] Compiling psm v0.1.26 [INFO] [stderr] Compiling stacker v0.1.21 [INFO] [stderr] Checking chumsky v0.9.3 [INFO] [stderr] Checking mama_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `slice` [INFO] [stdout] --> src/heap.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{mem::swap, slice}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `virtual_machine::VirtualMachine` [INFO] [stdout] --> src/heap.rs:3:40 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::{virtual_machine::CodeAddr, virtual_machine::VirtualMachine}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Heap` [INFO] [stdout] --> src/virtual_machine.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::heap::{Heap, HeapAddr}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `add`, `get_basic`, `sub`, and `symbolic_addr` [INFO] [stdout] --> src/gen_code.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{code_builder::{add, get_basic, load_c, mk_basic, sub, symbolic_addr}, syntax::{Expr, Range, Ty}}; [INFO] [stdout] | ^^^ ^^^^^^^^^ ^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `slice` [INFO] [stdout] --> src/heap.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{mem::swap, slice}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `virtual_machine::VirtualMachine` [INFO] [stdout] --> src/heap.rs:3:40 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::{virtual_machine::CodeAddr, virtual_machine::VirtualMachine}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Heap` [INFO] [stdout] --> src/virtual_machine.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::heap::{Heap, HeapAddr}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `add`, `get_basic`, `sub`, and `symbolic_addr` [INFO] [stdout] --> src/gen_code.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{code_builder::{add, get_basic, load_c, mk_basic, sub, symbolic_addr}, syntax::{Expr, Range, Ty}}; [INFO] [stdout] | ^^^ ^^^^^^^^^ ^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctxt` [INFO] [stdout] --> src/gen_code.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 121 | ctxt: &Context, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_ctxt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr_gen` [INFO] [stdout] --> src/gen_code.rs:122:5 [INFO] [stdout] | [INFO] [stdout] 122 | addr_gen: &mut AddressGenerator, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_addr_gen` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/gen_code.rs:123:5 [INFO] [stdout] | [INFO] [stdout] 123 | expr: &Expr, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_level` [INFO] [stdout] --> src/gen_code.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 124 | stack_level: u8, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/heap.rs:312:22 [INFO] [stdout] | [INFO] [stdout] 312 | self.write_u32(elem.try_into().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] error: this type will no longer be must used: Result [INFO] [stdout] --> src/heap.rs:328:20 [INFO] [stdout] | [INFO] [stdout] 328 | self.write_u32(elems_addr.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mama_rust` (lib) due to 8 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/heap.rs:344:20 [INFO] [stdout] | [INFO] [stdout] 344 | self.write_u32(arg_vec.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/heap.rs:345:20 [INFO] [stdout] | [INFO] [stdout] 345 | self.write_u32(global_vec.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/heap.rs:396:20 [INFO] [stdout] | [INFO] [stdout] 396 | self.write_u32(n.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/heap.rs:412:20 [INFO] [stdout] | [INFO] [stdout] 412 | self.write_u32(arg_vec.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/exec.rs:31:23 [INFO] [stdout] | [INFO] [stdout] 31 | vm.ss[vm.ssp + 1] = vm.gp.try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/exec.rs:241:35 [INFO] [stdout] | [INFO] [stdout] 241 | let mut vec = vec![0; n.try_into().unwrap()]; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/heap.rs:434:11 [INFO] [stdout] | [INFO] [stdout] 434 | let mut basic_addr = heap.new_basic(3, [].iter_mut()); [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: unused variable: `ctxt` [INFO] [stdout] --> src/gen_code.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 121 | ctxt: &Context, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_ctxt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr_gen` [INFO] [stdout] --> src/gen_code.rs:122:5 [INFO] [stdout] | [INFO] [stdout] 122 | addr_gen: &mut AddressGenerator, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_addr_gen` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/gen_code.rs:123:5 [INFO] [stdout] | [INFO] [stdout] 123 | expr: &Expr, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_level` [INFO] [stdout] --> src/gen_code.rs:124:5 [INFO] [stdout] | [INFO] [stdout] 124 | stack_level: u8, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/heap.rs:312:22 [INFO] [stdout] | [INFO] [stdout] 312 | self.write_u32(elem.try_into().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] error: this type will no longer be must used: Result [INFO] [stdout] --> src/heap.rs:328:20 [INFO] [stdout] | [INFO] [stdout] 328 | self.write_u32(elems_addr.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/heap.rs:344:20 [INFO] [stdout] | [INFO] [stdout] 344 | self.write_u32(arg_vec.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/heap.rs:345:20 [INFO] [stdout] | [INFO] [stdout] 345 | self.write_u32(global_vec.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/heap.rs:396:20 [INFO] [stdout] | [INFO] [stdout] 396 | self.write_u32(n.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/heap.rs:412:20 [INFO] [stdout] | [INFO] [stdout] 412 | self.write_u32(arg_vec.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/exec.rs:31:23 [INFO] [stdout] | [INFO] [stdout] 31 | vm.ss[vm.ssp + 1] = vm.gp.try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/exec.rs:241:35 [INFO] [stdout] | [INFO] [stdout] 241 | let mut vec = vec![0; n.try_into().unwrap()]; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mama_rust` (lib test) due to 8 previous errors; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c925623b8ed74e49f69db1cfd6afac3e529f7d65a8ad197c0484bef118f728cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c925623b8ed74e49f69db1cfd6afac3e529f7d65a8ad197c0484bef118f728cb", kill_on_drop: false }` [INFO] [stdout] c925623b8ed74e49f69db1cfd6afac3e529f7d65a8ad197c0484bef118f728cb