[INFO] cloning repository https://github.com/AlchemistPrimus/risc-vmm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlchemistPrimus/risc-vmm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlchemistPrimus%2Frisc-vmm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlchemistPrimus%2Frisc-vmm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c67cfeaf5bb4273bc1fb98f43c6057157ac9797a
[INFO] checking AlchemistPrimus/risc-vmm against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlchemistPrimus%2Frisc-vmm" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlchemistPrimus/risc-vmm
[INFO] finished tweaking git repo https://github.com/AlchemistPrimus/risc-vmm
[INFO] tweaked toml for git repo https://github.com/AlchemistPrimus/risc-vmm written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlchemistPrimus/risc-vmm on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlchemistPrimus/risc-vmm 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f02e441f02d2b897b36f7028ff3210f4545eb18b4379d394e20032c2f3bb1eaa
[INFO] running `Command { std: "docker" "start" "-a" "f02e441f02d2b897b36f7028ff3210f4545eb18b4379d394e20032c2f3bb1eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f02e441f02d2b897b36f7028ff3210f4545eb18b4379d394e20032c2f3bb1eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02e441f02d2b897b36f7028ff3210f4545eb18b4379d394e20032c2f3bb1eaa", kill_on_drop: false }`
[INFO] [stdout] f02e441f02d2b897b36f7028ff3210f4545eb18b4379d394e20032c2f3bb1eaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dde37abc8a64ceb4fe1255e90e5d07d370d92b7b4bb0532c9b4f76b7bd17fac5
[INFO] running `Command { std: "docker" "start" "-a" "dde37abc8a64ceb4fe1255e90e5d07d370d92b7b4bb0532c9b4f76b7bd17fac5", kill_on_drop: false }`
[INFO] [stderr]     Checking RISC-VMM v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: return types are denoted using `->`
[INFO] [stdout]   --> src/utils/cpu_utils.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn next(&mut self) => Options<Self::Item>{
[INFO] [stdout]    |                        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `->` instead
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn next(&mut self) => Options<Self::Item>{
[INFO] [stdout] 13 +     fn next(&mut self) -> Options<Self::Item>{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: return types are denoted using `->`
[INFO] [stdout]   --> src/utils/cpu_utils.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn next(&mut self) => Options<Self::Item>{
[INFO] [stdout]    |                        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `->` instead
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn next(&mut self) => Options<Self::Item>{
[INFO] [stdout] 13 +     fn next(&mut self) -> Options<Self::Item>{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: associated type in `impl` without body
[INFO] [stdout]   --> src/utils/cpu_utils.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     type IntoIter: Iterator<Item=Self::Item>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             help: provide a definition for the type: `= <type>;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: bounds on `type`s in `impl`s have no effect
[INFO] [stdout]   --> src/utils/cpu_utils.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |     type IntoIter: Iterator<Item=Self::Item>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: associated type in `impl` without body
[INFO] [stdout]   --> src/utils/cpu_utils.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     type IntoIter: Iterator<Item=Self::Item>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             help: provide a definition for the type: `= <type>;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: bounds on `type`s in `impl`s have no effect
[INFO] [stdout]   --> src/utils/cpu_utils.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |     type IntoIter: Iterator<Item=Self::Item>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Options` in this scope
[INFO] [stdout]   --> src/utils/cpu_utils.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn next(&mut self) => Options<Self::Item>{
[INFO] [stdout]    |                           ^^^^^^^ help: an enum with a similar name exists: `Option`
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/core/src/option.rs:594:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named enum `Option` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Options` in this scope
[INFO] [stdout]   --> src/utils/cpu_utils.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn next(&mut self) => Options<Self::Item>{
[INFO] [stdout]    |                           ^^^^^^^ help: an enum with a similar name exists: `Option`
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/core/src/option.rs:594:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named enum `Option` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `IntoIterator` for type `Stack`
[INFO] [stdout]   --> src/utils/cpu_utils.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl IntoIterator for Stack {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: conflicting implementation in crate `core`:
[INFO] [stdout]            - impl<I> IntoIterator for I
[INFO] [stdout]              where I: Iterator;
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `IntoIterator` for type `Stack`
[INFO] [stdout]   --> src/utils/cpu_utils.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl IntoIterator for Stack {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: conflicting implementation in crate `core`:
[INFO] [stdout]            - impl<I> IntoIterator for I
[INFO] [stdout]              where I: Iterator;
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `0` on type `&mut Stack`
[INFO] [stdout]   --> src/utils/cpu_utils.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         if !self.0.is_empty(){
[INFO] [stdout]    |                  ^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `data`, `size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `0` on type `&mut Stack`
[INFO] [stdout]   --> src/utils/cpu_utils.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |             self.0.size -= 1;
[INFO] [stdout]    |                  ^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `data`, `size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `0` on type `&mut Stack`
[INFO] [stdout]   --> src/utils/cpu_utils.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         if !self.0.is_empty(){
[INFO] [stdout]    |                  ^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `data`, `size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `0` on type `&mut Stack`
[INFO] [stdout]   --> src/utils/cpu_utils.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |             self.0.data.pop()
[INFO] [stdout]    |                  ^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `data`, `size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `0` on type `Stack`
[INFO] [stdout]   --> src/utils/cpu_utils.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.0.into_iter()
[INFO] [stdout]    |              ^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `data`, `size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `0` on type `&mut Stack`
[INFO] [stdout]   --> src/utils/cpu_utils.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |             self.0.size -= 1;
[INFO] [stdout]    |                  ^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `data`, `size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `0` on type `&mut Stack`
[INFO] [stdout]   --> src/utils/cpu_utils.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |             self.0.data.pop()
[INFO] [stdout]    |                  ^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `data`, `size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `0` on type `Stack`
[INFO] [stdout]   --> src/utils/cpu_utils.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.0.into_iter()
[INFO] [stdout]    |              ^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `data`, `size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg3`
[INFO] [stdout]   --> src/cpu.rs:59:44
[INFO] [stdout]    |
[INFO] [stdout] 59 |    fn sub(&mut self, reg1: u32, reg2: u32, reg3: u32) {
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_reg3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg3`
[INFO] [stdout]   --> src/cpu.rs:59:44
[INFO] [stdout]    |
[INFO] [stdout] 59 |    fn sub(&mut self, reg1: u32, reg2: u32, reg3: u32) {
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_reg3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0119, E0412, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0119, E0412, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `RISC-VMM` (bin "RISC-VMM") due to 9 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `RISC-VMM` (bin "RISC-VMM" test) due to 9 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "dde37abc8a64ceb4fe1255e90e5d07d370d92b7b4bb0532c9b4f76b7bd17fac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde37abc8a64ceb4fe1255e90e5d07d370d92b7b4bb0532c9b4f76b7bd17fac5", kill_on_drop: false }`
[INFO] [stdout] dde37abc8a64ceb4fe1255e90e5d07d370d92b7b4bb0532c9b4f76b7bd17fac5
