[INFO] cloning repository https://github.com/bot984397/5150
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bot984397/5150" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbot984397%2F5150", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbot984397%2F5150'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31320a3bb603475f52e4dea10fa372657370cadd
[INFO] checking bot984397/5150/31320a3bb603475f52e4dea10fa372657370cadd against master#4ecd70ddd1039a3954056c1071e40278048476fa for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbot984397%2F5150" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bot984397/5150 on toolchain 4ecd70ddd1039a3954056c1071e40278048476fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bot984397/5150
[INFO] finished tweaking git repo https://github.com/bot984397/5150
[INFO] tweaked toml for git repo https://github.com/bot984397/5150 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bot984397/5150 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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e43c799b384d1289adf598e74748ef3b4746ab03de43283cc4ebed5a583a11c
[INFO] running `Command { std: "docker" "start" "-a" "4e43c799b384d1289adf598e74748ef3b4746ab03de43283cc4ebed5a583a11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e43c799b384d1289adf598e74748ef3b4746ab03de43283cc4ebed5a583a11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e43c799b384d1289adf598e74748ef3b4746ab03de43283cc4ebed5a583a11c", kill_on_drop: false }`
[INFO] [stdout] 4e43c799b384d1289adf598e74748ef3b4746ab03de43283cc4ebed5a583a11c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7978e26ec53ae9d3a54a63e4ac408d596b96b38efb8aaeb30fd176860ba5b8f
[INFO] running `Command { std: "docker" "start" "-a" "b7978e26ec53ae9d3a54a63e4ac408d596b96b38efb8aaeb30fd176860ba5b8f", kill_on_drop: false }`
[INFO] [stderr]     Checking ibm_5150_emu v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `u20` should have an upper camel case name
[INFO] [stdout]  --> src/ext/prim.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct u20 {
[INFO] [stdout]   |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `U20`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::cycle::TState`
[INFO] [stdout]  --> src/cpu/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cpu::cycle::TState
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `u20` should have an upper camel case name
[INFO] [stdout]  --> src/ext/prim.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct u20 {
[INFO] [stdout]   |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `U20`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::cycle::TState`
[INFO] [stdout]  --> src/cpu/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cpu::cycle::TState
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/core/bus.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn read_8(&mut self, addr:usize) -> Result<u8, BusMemoryError> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/cpu/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct I8088 {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     prefetch_queue:StaticQueue<u8, 0x04>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 35 |     pc:u16, /* program counter / instruction pointer */
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     bus:BusInterface,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 39 |
[INFO] [stdout] 40 |     ax:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 41 |     bx:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 42 |     cx:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 43 |     dx:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 44 |     si:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 45 |     di:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 46 |     bp:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 47 |     sp:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     flags:u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mstate` and `astate` are never read
[INFO] [stdout]  --> src/core/machine.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct M5150 {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     mstate:MachineState,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     astate:ActivityState,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `start` and `stop` are never used
[INFO] [stdout]   --> src/core/machine.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl M5150 {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 9  |     fn start(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn stop(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `can_resume`, `can_pause`, `can_run`, and `can_step` are never used
[INFO] [stdout]   --> src/core/machine.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl ActivityState {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 44 |     /// Can we resume from a paused state?
[INFO] [stdout] 45 |     fn can_resume(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn can_pause(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn can_run(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn can_step(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ram` and `address_latch` are never read
[INFO] [stdout]   --> src/core/bus.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct BusInterface {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 18 |     ram:[u8; 1024 * 1024],
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     address_latch:u20,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/core/bus.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn read_8(&mut self, addr:usize) -> Result<u8, BusMemoryError> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/cpu/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct I8088 {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     prefetch_queue:StaticQueue<u8, 0x04>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 35 |     pc:u16, /* program counter / instruction pointer */
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     bus:BusInterface,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 39 |
[INFO] [stdout] 40 |     ax:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 41 |     bx:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 42 |     cx:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 43 |     dx:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 44 |     si:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 45 |     di:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 46 |     bp:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 47 |     sp:u16,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     flags:u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mstate` and `astate` are never read
[INFO] [stdout]  --> src/core/machine.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct M5150 {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     mstate:MachineState,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     astate:ActivityState,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `start` and `stop` are never used
[INFO] [stdout]   --> src/core/machine.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl M5150 {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 9  |     fn start(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn stop(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `can_resume`, `can_pause`, `can_run`, and `can_step` are never used
[INFO] [stdout]   --> src/core/machine.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl ActivityState {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 44 |     /// Can we resume from a paused state?
[INFO] [stdout] 45 |     fn can_resume(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn can_pause(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn can_run(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn can_step(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ram` and `address_latch` are never read
[INFO] [stdout]   --> src/core/bus.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct BusInterface {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 18 |     ram:[u8; 1024 * 1024],
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     address_latch:u20,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "b7978e26ec53ae9d3a54a63e4ac408d596b96b38efb8aaeb30fd176860ba5b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7978e26ec53ae9d3a54a63e4ac408d596b96b38efb8aaeb30fd176860ba5b8f", kill_on_drop: false }`
[INFO] [stdout] b7978e26ec53ae9d3a54a63e4ac408d596b96b38efb8aaeb30fd176860ba5b8f