[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminhadfield%2Fmmu" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benjaminhadfield/mmu on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/benjaminhadfield/mmu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0070115cef88ee0131afa2a520c3cbd32f5fd718cf59c177a2c5d67e9b5173c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b0070115cef88ee0131afa2a520c3cbd32f5fd718cf59c177a2c5d67e9b5173c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0070115cef88ee0131afa2a520c3cbd32f5fd718cf59c177a2c5d67e9b5173c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0070115cef88ee0131afa2a520c3cbd32f5fd718cf59c177a2c5d67e9b5173c", kill_on_drop: false }`
[INFO] [stdout] b0070115cef88ee0131afa2a520c3cbd32f5fd718cf59c177a2c5d67e9b5173c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a6808a8855acfcd5720c4df4de6bfa0d4c1543c642644e3a320d1efa2046ee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61a6808a8855acfcd5720c4df4de6bfa0d4c1543c642644e3a320d1efa2046ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `e`
[INFO] [stdout]   --> src/hardware.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     e: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `s`
[INFO] [stdout]   --> src/hardware.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     s: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "61a6808a8855acfcd5720c4df4de6bfa0d4c1543c642644e3a320d1efa2046ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a6808a8855acfcd5720c4df4de6bfa0d4c1543c642644e3a320d1efa2046ee", kill_on_drop: false }`
[INFO] [stdout] 61a6808a8855acfcd5720c4df4de6bfa0d4c1543c642644e3a320d1efa2046ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c34328bb94bb459c4ce778ad31401967793f4e76aebc2089acf54880129f5a62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c34328bb94bb459c4ce778ad31401967793f4e76aebc2089acf54880129f5a62", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `e`
[INFO] [stdout]   --> src/hardware.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     e: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `s`
[INFO] [stdout]   --> src/hardware.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     s: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `e`
[INFO] [stdout]   --> src/hardware.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     e: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `s`
[INFO] [stdout]   --> src/hardware.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     s: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "c34328bb94bb459c4ce778ad31401967793f4e76aebc2089acf54880129f5a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34328bb94bb459c4ce778ad31401967793f4e76aebc2089acf54880129f5a62", kill_on_drop: false }`
[INFO] [stdout] c34328bb94bb459c4ce778ad31401967793f4e76aebc2089acf54880129f5a62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d73ea2b9e79067956fd5c967f8d2912ac8aab523f7261f5adc72630a7610db3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d73ea2b9e79067956fd5c967f8d2912ac8aab523f7261f5adc72630a7610db3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `e`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/hardware.rs:39:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 39 |     e: u8,
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `s`
[INFO] [stderr]   --> src/hardware.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     s: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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 read: `s`
[INFO] [stderr]   --> src/hardware.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     s: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[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: if this is intentional, prefix it with an underscore: `_tlb`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mmu-df0b8b7ed796e977)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mmu-16350588c80b8f83)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mmu
[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 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::Memory::new (line 22) ... ok
[INFO] [stdout] test src/hardware.rs - hardware::TLB::new (line 54) ... 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 `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 `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 `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 `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 0.92s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "8d73ea2b9e79067956fd5c967f8d2912ac8aab523f7261f5adc72630a7610db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d73ea2b9e79067956fd5c967f8d2912ac8aab523f7261f5adc72630a7610db3", kill_on_drop: false }`
[INFO] [stdout] 8d73ea2b9e79067956fd5c967f8d2912ac8aab523f7261f5adc72630a7610db3