[INFO] updating cached repository https://github.com/benjaminhadfield/mmu
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2608b8855ef509e896b9f46f439ef0d42417022
[INFO] testing benjaminhadfield/mmu against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminhadfield%2Fmmu" "work/builds/worker-11/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benjaminhadfield/mmu on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/benjaminhadfield/mmu already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 4ac2f36c71b0904eab3cb45daab13ac9ef39078f4eead4681aa758cea42e7483
[INFO] running `"docker" "start" "-a" "4ac2f36c71b0904eab3cb45daab13ac9ef39078f4eead4681aa758cea42e7483"`
[INFO] [stderr]    Compiling mmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `e`
[INFO] [stderr]   --> src/hardware.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     e: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `s`
[INFO] [stderr]   --> src/hardware.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     s: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[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: consider prefixing with an underscore: `_tlb`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "4ac2f36c71b0904eab3cb45daab13ac9ef39078f4eead4681aa758cea42e7483"`
[INFO] running `"docker" "rm" "-f" "4ac2f36c71b0904eab3cb45daab13ac9ef39078f4eead4681aa758cea42e7483"`
[INFO] [stdout] 4ac2f36c71b0904eab3cb45daab13ac9ef39078f4eead4681aa758cea42e7483
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 699b1fac0d0e2f747e9563748851ddd255ca71eb7acdec71528b7cba14389d27
[INFO] running `"docker" "start" "-a" "699b1fac0d0e2f747e9563748851ddd255ca71eb7acdec71528b7cba14389d27"`
[INFO] [stderr]    Compiling mmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `e`
[INFO] [stderr]   --> src/hardware.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     e: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `s`
[INFO] [stderr]   --> src/hardware.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     s: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[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: consider prefixing with an underscore: `_tlb`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "699b1fac0d0e2f747e9563748851ddd255ca71eb7acdec71528b7cba14389d27"`
[INFO] running `"docker" "rm" "-f" "699b1fac0d0e2f747e9563748851ddd255ca71eb7acdec71528b7cba14389d27"`
[INFO] [stdout] 699b1fac0d0e2f747e9563748851ddd255ca71eb7acdec71528b7cba14389d27
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 55c5e9ded2d0bf1c24b3a08bb0ff4c43838d5053a38098c4f0765f81c875ec0c
[INFO] running `"docker" "start" "-a" "55c5e9ded2d0bf1c24b3a08bb0ff4c43838d5053a38098c4f0765f81c875ec0c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mmu-7f9ad6a03579bde7
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mmu-5a5ec7d45318da98
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mmu
[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] 3 | use address;
[INFO] [stdout]   |     ^^^^^^^ no `address` in the root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Memory`
[INFO] [stdout]  --> src/address.rs:34:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mm = Memory::new(4, 12, 14);
[INFO] [stdout]   |          ^^^^^^ use of undeclared type or module `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] 3 | use address;
[INFO] [stdout]   |     ^^^^^^^ no `address` in the root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Memory`
[INFO] [stdout]  --> src/address.rs:15:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mm = Memory::new(4, 12, 14);
[INFO] [stdout]   |          ^^^^^^ use of undeclared type or module `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
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "55c5e9ded2d0bf1c24b3a08bb0ff4c43838d5053a38098c4f0765f81c875ec0c"`
[INFO] running `"docker" "rm" "-f" "55c5e9ded2d0bf1c24b3a08bb0ff4c43838d5053a38098c4f0765f81c875ec0c"`
[INFO] [stdout] 55c5e9ded2d0bf1c24b3a08bb0ff4c43838d5053a38098c4f0765f81c875ec0c