[INFO] updating cached repository https://github.com/ctames/rusc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 738956a019bb0472fb011a489fc8fe954a97ad18
[INFO] checking ctames/rusc against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctames%2Frusc" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ctames/rusc on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ctames/rusc
[INFO] finished tweaking git repo https://github.com/ctames/rusc
[INFO] tweaked toml for git repo https://github.com/ctames/rusc written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ctames/rusc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a04b8822e2823c799c7b86868b3f9b86dc9bc61cc877b039d46034ce97387c51
[INFO] running `"docker" "start" "-a" "a04b8822e2823c799c7b86868b3f9b86dc9bc61cc877b039d46034ce97387c51"`
[INFO] [stderr]     Checking rusc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::ops::Index`
[INFO] [stderr]  --> src/cpu.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::ops::Index;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Index`
[INFO] [stderr]  --> src/cpu.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::ops::Index;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/cpu.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 Err(error) => {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cpu.rs:49:7
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let mut reader = BufReader::new(file.unwrap());
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cpu.rs:161:7
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let mut line_split: Vec<&str> = line.split(" ").collect();
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cpu.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |         let mut stage = Stage {
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `ZERO`
[INFO] [stderr]   --> src/cpu.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | static ZERO: i16 = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |         io::stdin().read_line(&mut input);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `addc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | static addc:  [u8; 5] = [1, 1, 2, 1, 1]; 
[INFO] [stderr]    |        ^^^^ help: convert the identifier to upper case: `ADDC`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `addic` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | static addic: [u8; 5] = [1, 1, 2, 1, 1]; 
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper case: `ADDIC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `nandc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | static nandc: [u8; 5] = [1, 1, 2, 1, 1]; 
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper case: `NANDC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `luic` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | static luic:  [u8; 5] = [1, 1, 2, 1, 1]; 
[INFO] [stderr]    |        ^^^^ help: convert the identifier to upper case: `LUIC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `swc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | static swc:   [u8; 5] = [1, 1, 2, 3, 1]; 
[INFO] [stderr]    |        ^^^ help: convert the identifier to upper case (notice the capitalization): `SWC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `lwc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | static lwc:   [u8; 5] = [1, 1, 2, 3, 1]; 
[INFO] [stderr]    |        ^^^ help: convert the identifier to upper case: `LWC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `beqc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | static beqc:  [u8; 5] = [1, 1, 1, 1, 1]; 
[INFO] [stderr]    |        ^^^^ help: convert the identifier to upper case: `BEQC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `jalrc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | static jalrc: [u8; 5] = [1, 1, 1, 1, 1];
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper case: `JALRC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `haltc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | static haltc: [u8; 5] = [1, 1, 1, 1, 1];
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper case: `HALTC`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cpu.rs:93:4
[INFO] [stderr]    |
[INFO] [stderr] 93 |             write!(f, "gpreg{} : {}\n", x, self.registers[x]);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/cpu.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 Err(error) => {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:405:3
[INFO] [stderr]     |
[INFO] [stderr] 405 |         write!(f, "STATE AFTER CYCLE: {:?}\n ", self.cycle); 
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:406:3
[INFO] [stderr]     |
[INFO] [stderr] 406 |         write!(f, "IF: {} - cycles {:?} out of {:?}\n", self.stages[0].clone().instr.unwrap_or(default.clone()), self.stages[0].ce, self.stages[0].cn);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:407:3
[INFO] [stderr]     |
[INFO] [stderr] 407 |         write!(f, "ID: {} - cycles {:?} out of {:?}\n", self.stages[1].clone().instr.unwrap_or(default.clone()), self.stages[1].ce, self.stages[1].cn);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:408:3
[INFO] [stderr]     |
[INFO] [stderr] 408 |         write!(f, "EX: {} - cycles {:?} out of {:?}\n", self.stages[2].clone().instr.unwrap_or(default.clone()), self.stages[2].ce, self.stages[2].cn);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:409:3
[INFO] [stderr]     |
[INFO] [stderr] 409 |         write!(f, "ME: {} - cycles {:?} out of {:?}\n", self.stages[3].clone().instr.unwrap_or(default.clone()), self.stages[3].ce, self.stages[3].cn);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:410:3
[INFO] [stderr]     |
[INFO] [stderr] 410 |         write!(f, "WB: {} - cycles {:?} out of {:?}\n", self.stages[4].clone().instr.unwrap_or(default.clone()), self.stages[4].ce, self.stages[4].cn);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cpu.rs:49:7
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let mut reader = BufReader::new(file.unwrap());
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cpu.rs:161:7
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let mut line_split: Vec<&str> = line.split(" ").collect();
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cpu.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |         let mut stage = Stage {
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `ZERO`
[INFO] [stderr]   --> src/cpu.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | static ZERO: i16 = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |         io::stdin().read_line(&mut input);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `addc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | static addc:  [u8; 5] = [1, 1, 2, 1, 1]; 
[INFO] [stderr]    |        ^^^^ help: convert the identifier to upper case: `ADDC`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `addic` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | static addic: [u8; 5] = [1, 1, 2, 1, 1]; 
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper case: `ADDIC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `nandc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | static nandc: [u8; 5] = [1, 1, 2, 1, 1]; 
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper case: `NANDC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `luic` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | static luic:  [u8; 5] = [1, 1, 2, 1, 1]; 
[INFO] [stderr]    |        ^^^^ help: convert the identifier to upper case: `LUIC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `swc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | static swc:   [u8; 5] = [1, 1, 2, 3, 1]; 
[INFO] [stderr]    |        ^^^ help: convert the identifier to upper case (notice the capitalization): `SWC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `lwc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | static lwc:   [u8; 5] = [1, 1, 2, 3, 1]; 
[INFO] [stderr]    |        ^^^ help: convert the identifier to upper case: `LWC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `beqc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | static beqc:  [u8; 5] = [1, 1, 1, 1, 1]; 
[INFO] [stderr]    |        ^^^^ help: convert the identifier to upper case: `BEQC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `jalrc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | static jalrc: [u8; 5] = [1, 1, 1, 1, 1];
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper case: `JALRC`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `haltc` should have an upper case name
[INFO] [stderr]   --> src/cpu.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | static haltc: [u8; 5] = [1, 1, 1, 1, 1];
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper case: `HALTC`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cpu.rs:93:4
[INFO] [stderr]    |
[INFO] [stderr] 93 |             write!(f, "gpreg{} : {}\n", x, self.registers[x]);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:405:3
[INFO] [stderr]     |
[INFO] [stderr] 405 |         write!(f, "STATE AFTER CYCLE: {:?}\n ", self.cycle); 
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:406:3
[INFO] [stderr]     |
[INFO] [stderr] 406 |         write!(f, "IF: {} - cycles {:?} out of {:?}\n", self.stages[0].clone().instr.unwrap_or(default.clone()), self.stages[0].ce, self.stages[0].cn);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:407:3
[INFO] [stderr]     |
[INFO] [stderr] 407 |         write!(f, "ID: {} - cycles {:?} out of {:?}\n", self.stages[1].clone().instr.unwrap_or(default.clone()), self.stages[1].ce, self.stages[1].cn);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:408:3
[INFO] [stderr]     |
[INFO] [stderr] 408 |         write!(f, "EX: {} - cycles {:?} out of {:?}\n", self.stages[2].clone().instr.unwrap_or(default.clone()), self.stages[2].ce, self.stages[2].cn);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:409:3
[INFO] [stderr]     |
[INFO] [stderr] 409 |         write!(f, "ME: {} - cycles {:?} out of {:?}\n", self.stages[3].clone().instr.unwrap_or(default.clone()), self.stages[3].ce, self.stages[3].cn);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:410:3
[INFO] [stderr]     |
[INFO] [stderr] 410 |         write!(f, "WB: {} - cycles {:?} out of {:?}\n", self.stages[4].clone().instr.unwrap_or(default.clone()), self.stages[4].ce, self.stages[4].cn);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "a04b8822e2823c799c7b86868b3f9b86dc9bc61cc877b039d46034ce97387c51"`
[INFO] running `"docker" "rm" "-f" "a04b8822e2823c799c7b86868b3f9b86dc9bc61cc877b039d46034ce97387c51"`
[INFO] [stdout] a04b8822e2823c799c7b86868b3f9b86dc9bc61cc877b039d46034ce97387c51