[INFO] cloning repository https://github.com/benjaminhadfield/mmu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjaminhadfield/mmu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminhadfield%2Fmmu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminhadfield%2Fmmu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2608b8855ef509e896b9f46f439ef0d42417022
[INFO] testing benjaminhadfield/mmu against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminhadfield%2Fmmu" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/benjaminhadfield/mmu
[INFO] finished tweaking git repo https://github.com/benjaminhadfield/mmu
[INFO] tweaked toml for git repo https://github.com/benjaminhadfield/mmu written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benjaminhadfield/mmu on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benjaminhadfield/mmu 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49d5b6f195337e31bf40345a60d9dbe6f67518a87868630b365078ee23683529
[INFO] running `Command { std: "docker" "start" "-a" "49d5b6f195337e31bf40345a60d9dbe6f67518a87868630b365078ee23683529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49d5b6f195337e31bf40345a60d9dbe6f67518a87868630b365078ee23683529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d5b6f195337e31bf40345a60d9dbe6f67518a87868630b365078ee23683529", kill_on_drop: false }`
[INFO] [stdout] 49d5b6f195337e31bf40345a60d9dbe6f67518a87868630b365078ee23683529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6953f6ab279d47fdf7303e712d3c9f85ea53391566f2d91d7e4781233aa932b
[INFO] running `Command { std: "docker" "start" "-a" "d6953f6ab279d47fdf7303e712d3c9f85ea53391566f2d91d7e4781233aa932b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling mmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `e` and `s` are never read
[INFO] [stdout]   --> src/hardware.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct TLB {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 38 |     /// Associativity (number of lines / set)
[INFO] [stdout] 39 |     e: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 40 |     /// Set count
[INFO] [stdout] 41 |     s: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tlb`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let tlb = hardware::TLB::new(4, 4);
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_tlb`
[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 0.53s
[INFO] running `Command { std: "docker" "inspect" "d6953f6ab279d47fdf7303e712d3c9f85ea53391566f2d91d7e4781233aa932b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6953f6ab279d47fdf7303e712d3c9f85ea53391566f2d91d7e4781233aa932b", kill_on_drop: false }`
[INFO] [stdout] d6953f6ab279d47fdf7303e712d3c9f85ea53391566f2d91d7e4781233aa932b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a7eff93f583dd0782217b3b7e029d80209749aabb87cb8ced490c6b4dfc5e2c
[INFO] running `Command { std: "docker" "start" "-a" "6a7eff93f583dd0782217b3b7e029d80209749aabb87cb8ced490c6b4dfc5e2c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: fields `e` and `s` are never read
[INFO] [stdout]   --> src/hardware.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct TLB {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 38 |     /// Associativity (number of lines / set)
[INFO] [stdout] 39 |     e: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 40 |     /// Set count
[INFO] [stdout] 41 |     s: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `e` and `s` are never read
[INFO] [stdout]   --> src/hardware.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct TLB {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 38 |     /// Associativity (number of lines / set)
[INFO] [stdout] 39 |     e: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 40 |     /// Set count
[INFO] [stdout] 41 |     s: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tlb`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let tlb = hardware::TLB::new(4, 4);
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_tlb`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "6a7eff93f583dd0782217b3b7e029d80209749aabb87cb8ced490c6b4dfc5e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a7eff93f583dd0782217b3b7e029d80209749aabb87cb8ced490c6b4dfc5e2c", kill_on_drop: false }`
[INFO] [stdout] 6a7eff93f583dd0782217b3b7e029d80209749aabb87cb8ced490c6b4dfc5e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4e29d4331d312e87f26f854ddf81e453455fdda3bd93f562177a702c205fd81
[INFO] running `Command { std: "docker" "start" "-a" "b4e29d4331d312e87f26f854ddf81e453455fdda3bd93f562177a702c205fd81", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: fields `e` and `s` are never read
[INFO] [stderr]   --> src/hardware.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct TLB {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] 38 |     /// Associativity (number of lines / set)
[INFO] [stderr] 39 |     e: u8,
[INFO] [stderr]    |     ^
[INFO] [stderr] 40 |     /// Set count
[INFO] [stderr] 41 |     s: u8,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mmu` (lib) generated 1 warning
[INFO] [stderr] warning: unused variable: `tlb`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let tlb = hardware::TLB::new(4, 4);
[INFO] [stderr]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_tlb`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mmu` (bin "mmu" test) generated 1 warning (run `cargo fix --bin "mmu" -p mmu --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `mmu` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mmu-0c3fe67074232cd6)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mmu-e6de278f0b2da97a)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mmu
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/address.rs - address::pn (line 30) ... FAILED
[INFO] [stdout] test src/address.rs - address::po (line 11) ... FAILED
[INFO] [stdout] test src/hardware.rs - hardware::TLB::new (line 54) ... ok
[INFO] [stdout] test src/hardware.rs - hardware::Memory::new (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/address.rs - address::pn (line 30) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `address`
[INFO] [stdout]   --> src/address.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use address;
[INFO] [stdout]    |     ^^^^^^^ no `address` in the root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Memory` in this scope
[INFO] [stdout]   --> src/address.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | let mm = Memory::new(4, 12, 14);
[INFO] [stdout]    |          ^^^^^^ use of undeclared type `Memory`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/address.rs - address::po (line 11) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `address`
[INFO] [stdout]   --> src/address.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use address;
[INFO] [stdout]    |     ^^^^^^^ no `address` in the root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Memory` in this scope
[INFO] [stdout]   --> src/address.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | let mm = Memory::new(4, 12, 14);
[INFO] [stdout]    |          ^^^^^^ use of undeclared type `Memory`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/address.rs - address::pn (line 30)
[INFO] [stdout]     src/address.rs - address::po (line 11)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b4e29d4331d312e87f26f854ddf81e453455fdda3bd93f562177a702c205fd81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e29d4331d312e87f26f854ddf81e453455fdda3bd93f562177a702c205fd81", kill_on_drop: false }`
[INFO] [stdout] b4e29d4331d312e87f26f854ddf81e453455fdda3bd93f562177a702c205fd81
