[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] a8a3c3ab8610e560bba42d65f282803e23b966c6
[INFO] checking kevinclancy/MaMaRust against master#57f772f25c5ce2bd870d6f8c3ab318eaee5a3326 for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclancy%2FMaMaRust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kevinclancy/MaMaRust on toolchain 57f772f25c5ce2bd870d6f8c3ab318eaee5a3326
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "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" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stacker v0.1.21
[INFO] [stderr]   Downloaded im v15.1.0
[INFO] [stderr]   Downloaded psm v0.1.26
[INFO] [stderr]   Downloaded chumsky v0.9.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80438e00feea03aec7636077eba0a6bffd82377d58cee503d47736d65876266a
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[INFO] [stdout] 80438e00feea03aec7636077eba0a6bffd82377d58cee503d47736d65876266a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9da0504f519537515fb6d6fa8c5aafb5d3efba4f1241182fb489bf03148c2e9b
[INFO] running `Command { std: "docker" "start" "-a" "9da0504f519537515fb6d6fa8c5aafb5d3efba4f1241182fb489bf03148c2e9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling cc v1.2.35
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking hashbrown v0.14.5
[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, mk_vec, sub, symbolic_addr}, syntax::{Expr, MatchCase, Pattern, Prog, Sp...
[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, mk_vec, sub, symbolic_addr}, syntax::{Expr, MatchCase, Pattern, Prog, Sp...
[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: unreachable pattern
[INFO] [stdout]    --> src/parser.rs:736:21
[INFO] [stdout]     |
[INFO] [stdout] 735 |                     MatchCase { when_cond, .. } => assert!(when_cond.is_some()),
[INFO] [stdout]     |                     --------------------------- matches any value
[INFO] [stdout] 736 |                     _ => panic!("Expected ConstructorCase with guard"),
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctxt`
[INFO] [stdout]    --> src/gen_code.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     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:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 |     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:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     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:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     stack_level: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/gen_code.rs:841:9
[INFO] [stdout]     |
[INFO] [stdout] 841 |         _ => panic!("{:?} not implemented", expr)
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/gen_code.rs:841:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         Expr::Int(n, _) => {
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 318 |         Expr::Plus(e1, e2, _) => {
[INFO] [stdout]     |         --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 321 |         Expr::Minus(e1, e2, _) => {
[INFO] [stdout]     |         ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 324 |         Expr::Times(e1, e2, _) => {
[INFO] [stdout]     |         ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 841 |         _ => panic!("{:?} not implemented", expr)
[INFO] [stdout]     |         ^ ...and 18 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctxt`
[INFO] [stdout]    --> src/gen_code.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     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:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 |     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:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     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:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     stack_level: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/gen_code.rs:841:9
[INFO] [stdout]     |
[INFO] [stdout] 841 |         _ => panic!("{:?} not implemented", expr)
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/gen_code.rs:841:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         Expr::Int(n, _) => {
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 318 |         Expr::Plus(e1, e2, _) => {
[INFO] [stdout]     |         --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 321 |         Expr::Minus(e1, e2, _) => {
[INFO] [stdout]     |         ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 324 |         Expr::Times(e1, e2, _) => {
[INFO] [stdout]     |         ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 841 |         _ => panic!("{:?} not implemented", expr)
[INFO] [stdout]     |         ^ ...and 18 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr` and `Ty`
[INFO] [stdout]  --> tests/virtual_machine_tests.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mama_rust::syntax::{Ty, Expr};
[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 imports: `AddressGenerator`, `Context`, and `code_v`
[INFO] [stdout]  --> tests/virtual_machine_tests.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mama_rust::gen_code::{code_v, gen_code_prog, AddressGenerator, Context};
[INFO] [stdout]   |                           ^^^^^^                 ^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_expr`
[INFO] [stdout]  --> tests/virtual_machine_tests.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mama_rust::test_utils::{parse_expr, parse_prog};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]   --> tests/virtual_machine_tests.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let (ty, code) = gen_code_prog(&prog).unwrap();
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.38s
[INFO] running `Command { std: "docker" "inspect" "9da0504f519537515fb6d6fa8c5aafb5d3efba4f1241182fb489bf03148c2e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da0504f519537515fb6d6fa8c5aafb5d3efba4f1241182fb489bf03148c2e9b", kill_on_drop: false }`
[INFO] [stdout] 9da0504f519537515fb6d6fa8c5aafb5d3efba4f1241182fb489bf03148c2e9b
