[INFO] cloning repository https://github.com/WarpspeedSCP/rusty-sic-xe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WarpspeedSCP/rusty-sic-xe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWarpspeedSCP%2Frusty-sic-xe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWarpspeedSCP%2Frusty-sic-xe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a0c6aed0b24302706f0a15428a314d3a84d033f
[INFO] checking WarpspeedSCP/rusty-sic-xe against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWarpspeedSCP%2Frusty-sic-xe" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/WarpspeedSCP/rusty-sic-xe
[INFO] finished tweaking git repo https://github.com/WarpspeedSCP/rusty-sic-xe
[INFO] tweaked toml for git repo https://github.com/WarpspeedSCP/rusty-sic-xe written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WarpspeedSCP/rusty-sic-xe on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/WarpspeedSCP/rusty-sic-xe 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3413f1392958fe5c70caaef0e4e88ed44928758623ced036a2b9d4d7e1ef948
[INFO] running `Command { std: "docker" "start" "-a" "a3413f1392958fe5c70caaef0e4e88ed44928758623ced036a2b9d4d7e1ef948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3413f1392958fe5c70caaef0e4e88ed44928758623ced036a2b9d4d7e1ef948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3413f1392958fe5c70caaef0e4e88ed44928758623ced036a2b9d4d7e1ef948", kill_on_drop: false }`
[INFO] [stdout] a3413f1392958fe5c70caaef0e4e88ed44928758623ced036a2b9d4d7e1ef948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee201b682ff1ba8a401f34849c007a8ec4b2fad52f384ab57f9437b20dc82dc8
[INFO] running `Command { std: "docker" "start" "-a" "ee201b682ff1ba8a401f34849c007a8ec4b2fad52f384ab57f9437b20dc82dc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking yacc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `mod_rec` should have an upper camel case name
[INFO] [stdout]   --> src/line.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct mod_rec {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper camel case: `ModRec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `format` should have an upper camel case name
[INFO] [stdout]   --> src/line.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub enum format {
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `addr_mod` should have an upper camel case name
[INFO] [stdout]    --> src/line.rs:144:10
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub enum addr_mod {
[INFO] [stdout]     |          ^^^^^^^^ help: convert the identifier to upper camel case: `AddrMod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `arg_struct` should have an upper camel case name
[INFO] [stdout]    --> src/line.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct arg_struct {
[INFO] [stdout]     |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `ArgStruct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `expr_struct` should have an upper camel case name
[INFO] [stdout]    --> src/line.rs:188:12
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub struct expr_struct {
[INFO] [stdout]     |            ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ExprStruct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `arg` should have an upper camel case name
[INFO] [stdout]    --> src/line.rs:195:10
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub enum arg {
[INFO] [stdout]     |          ^^^ help: convert the identifier to upper camel case: `Arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `op_struct` should have an upper camel case name
[INFO] [stdout]    --> src/line.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub struct op_struct { pub opcode: u8, pub name: &'static str, pub long: bool }
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to upper camel case: `OpStruct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `source_op` should have an upper camel case name
[INFO] [stdout]    --> src/line.rs:222:10
[INFO] [stdout]     |
[INFO] [stdout] 222 | pub enum source_op {
[INFO] [stdout]     |          ^^^^^^^^^ help: convert the identifier to upper camel case: `SourceOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `mod_rec` should have an upper camel case name
[INFO] [stdout]   --> src/line.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct mod_rec {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper camel case: `ModRec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `format` should have an upper camel case name
[INFO] [stdout]   --> src/line.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub enum format {
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `addr_mod` should have an upper camel case name
[INFO] [stdout]    --> src/line.rs:144:10
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub enum addr_mod {
[INFO] [stdout]     |          ^^^^^^^^ help: convert the identifier to upper camel case: `AddrMod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `arg_struct` should have an upper camel case name
[INFO] [stdout]    --> src/line.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct arg_struct {
[INFO] [stdout]     |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `ArgStruct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `expr_struct` should have an upper camel case name
[INFO] [stdout]    --> src/line.rs:188:12
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub struct expr_struct {
[INFO] [stdout]     |            ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ExprStruct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `arg` should have an upper camel case name
[INFO] [stdout]    --> src/line.rs:195:10
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub enum arg {
[INFO] [stdout]     |          ^^^ help: convert the identifier to upper camel case: `Arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `op_struct` should have an upper camel case name
[INFO] [stdout]    --> src/line.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub struct op_struct { pub opcode: u8, pub name: &'static str, pub long: bool }
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to upper camel case: `OpStruct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `source_op` should have an upper camel case name
[INFO] [stdout]    --> src/line.rs:222:10
[INFO] [stdout]     |
[INFO] [stdout] 222 | pub enum source_op {
[INFO] [stdout]     |          ^^^^^^^^^ help: convert the identifier to upper camel case: `SourceOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/nomparse.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut tmp = 0u8;
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp`
[INFO] [stdout]    --> src/nomparse.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut tmp = 0u8;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `disp` is never read
[INFO] [stdout]    --> src/nomparse.rs:277:36
[INFO] [stdout]     |
[INFO] [stdout] 277 | ...t mut disp = 0u16;
[INFO] [stdout]     |                 ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 287 | ...                  disp = (((target.mem_loc as i32 - curr.mem_loc as i32) as i16 & 0x0FFF) | 0x2000) as u16 ; // OR with 0x2000 f...
[INFO] [stdout]     |                      ---------------------------------------------------------------------------------------- `disp` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/nomparse.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut tmp = 0u8;
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp`
[INFO] [stdout]    --> src/nomparse.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut tmp = 0u8;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `disp` is never read
[INFO] [stdout]    --> src/nomparse.rs:277:36
[INFO] [stdout]     |
[INFO] [stdout] 277 | ...t mut disp = 0u16;
[INFO] [stdout]     |                 ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 287 | ...                  disp = (((target.mem_loc as i32 - curr.mem_loc as i32) as i16 & 0x0FFF) | 0x2000) as u16 ; // OR with 0x2000 f...
[INFO] [stdout]     |                      ---------------------------------------------------------------------------------------- `disp` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/line.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |         for i in 0..(if v.len() < 2 { 2 - v.len() } else { 1 }) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/line.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         for i in 0..(if v.len() < 2 { 2 - v.len() } else { 0 }) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outfile`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let outfile: File;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outfile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut curr = line::Line::new()
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `curr`
[INFO] [stdout]    --> src/main.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut curr = line::Line::new()
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_curr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line_no` is never read
[INFO] [stdout]  --> src/line.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Pos { pub line_no: u32, pub mem_loc: u32, pub val: Option<i32> }
[INFO] [stdout]   |            ---       ^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Pos` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expr` is never constructed
[INFO] [stdout]    --> src/line.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub enum arg {
[INFO] [stdout]     |          --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 199 |     Expr(Box<expr_struct>)
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `arg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unwrap_as_instruction` is never used
[INFO] [stdout]    --> src/line.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 229 | impl source_op {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 237 |     pub fn unwrap_as_instruction(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         write!(parsed, "{}", nomparse::gen_records(&mut parse_vec, &mut sym_tab, &mut intfile));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let _ = write!(parsed, "{}", nomparse::gen_records(&mut parse_vec, &mut sym_tab, &mut intfile));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         parsed.write_all(nomparse::vec_gen_records(&mut parse_vec, &mut sym_tab, &mut intfile).deref());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let _ = parsed.write_all(nomparse::vec_gen_records(&mut parse_vec, &mut sym_tab, &mut intfile).deref());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     write!(intermediate, "{}", intfile);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let _ = write!(intermediate, "{}", intfile);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nomparse.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             write!(obj_code, "{:06X}", i.mem_loc);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let _ = write!(obj_code, "{:06X}", i.mem_loc);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nomparse.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |                         write!(obj_code, "\nE{:06X}\n", start.args[0].val.unwrap_as_int().unwrap());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 120 |                         let _ = write!(obj_code, "\nE{:06X}\n", start.args[0].val.unwrap_as_int().unwrap());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nomparse.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 | ...   write!(*parsed, "{:<4}{:<8X}{:<8}{:<8}{:<}{:<}\n", i.line_no, i.mem_loc, i.label.clone().unwrap_or("".to_owned()), i.operation, display_vec(&i.args), display_vec_nums(&i.obj_code));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 164 |             let _ = write!(*parsed, "{:<4}{:<8X}{:<8}{:<8}{:<}{:<}\n", i.line_no, i.mem_loc, i.label.clone().unwrap_or("".to_owned()), i.operation, display_vec(&i.args), display_vec_nums(&i.obj_code));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nomparse.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 | ...   write!(obj_code, "M{:06X}{:02X}\n", i.1.mem_loc, i.1.length);//, if i.1.pos {"+"} else {"-"}, sym_tab.get(&i.1.symbol).unwrap...
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let _ = write!(obj_code, "M{:06X}{:02X}\n", i.1.mem_loc, i.1.length);//, if i.1.pos {"+"} else {"-"}, sym_tab.get(&i.1.symbol).unwrap().mem_loc);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nomparse.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 | ...   write!(*parsed, "{:<4}{:<8X}{:<8}{:<8}{:<8}{:<8}\n", i.line_no, i.mem_loc, i.label.clone().unwrap_or("".to_owned()), i.operation, display_vec(&i.args), display_vec_nums(&i.obj_code));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let _ = write!(*parsed, "{:<4}{:<8X}{:<8}{:<8}{:<8}{:<8}\n", i.line_no, i.mem_loc, i.label.clone().unwrap_or("".to_owned()), i.operation, display_vec(&i.args), display_vec_nums(&i.obj_code));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/line.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |             write!(a, "{}", i);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let _ = write!(a, "{}", i);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/line.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             write!(a, "      ");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 164 |             let _ = write!(a, "      ");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/line.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |             write!(a, "{:02X}", i);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let _ = write!(a, "{:02X}", i);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/line.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |             write!(a, "      ");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let _ = write!(a, "      ");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/line.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |         for i in 0..(if v.len() < 2 { 2 - v.len() } else { 1 }) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/line.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         for i in 0..(if v.len() < 2 { 2 - v.len() } else { 0 }) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outfile`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let outfile: File;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outfile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `line_no` is never read
[INFO] [stdout]  --> src/line.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Pos { pub line_no: u32, pub mem_loc: u32, pub val: Option<i32> }
[INFO] [stdout]   |            ---       ^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Pos` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expr` is never constructed
[INFO] [stdout]    --> src/line.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub enum arg {
[INFO] [stdout]     |          --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 199 |     Expr(Box<expr_struct>)
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `arg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unwrap_as_instruction` is never used
[INFO] [stdout]    --> src/line.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 229 | impl source_op {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 237 |     pub fn unwrap_as_instruction(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         write!(parsed, "{}", nomparse::gen_records(&mut parse_vec, &mut sym_tab, &mut intfile));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let _ = write!(parsed, "{}", nomparse::gen_records(&mut parse_vec, &mut sym_tab, &mut intfile));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         parsed.write_all(nomparse::vec_gen_records(&mut parse_vec, &mut sym_tab, &mut intfile).deref());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let _ = parsed.write_all(nomparse::vec_gen_records(&mut parse_vec, &mut sym_tab, &mut intfile).deref());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     write!(intermediate, "{}", intfile);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let _ = write!(intermediate, "{}", intfile);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nomparse.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             write!(obj_code, "{:06X}", i.mem_loc);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let _ = write!(obj_code, "{:06X}", i.mem_loc);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nomparse.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |                         write!(obj_code, "\nE{:06X}\n", start.args[0].val.unwrap_as_int().unwrap());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 120 |                         let _ = write!(obj_code, "\nE{:06X}\n", start.args[0].val.unwrap_as_int().unwrap());
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nomparse.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 | ...   write!(*parsed, "{:<4}{:<8X}{:<8}{:<8}{:<}{:<}\n", i.line_no, i.mem_loc, i.label.clone().unwrap_or("".to_owned()), i.operation, display_vec(&i.args), display_vec_nums(&i.obj_code));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 164 |             let _ = write!(*parsed, "{:<4}{:<8X}{:<8}{:<8}{:<}{:<}\n", i.line_no, i.mem_loc, i.label.clone().unwrap_or("".to_owned()), i.operation, display_vec(&i.args), display_vec_nums(&i.obj_code));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nomparse.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 | ...   write!(obj_code, "M{:06X}{:02X}\n", i.1.mem_loc, i.1.length);//, if i.1.pos {"+"} else {"-"}, sym_tab.get(&i.1.symbol).unwrap...
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let _ = write!(obj_code, "M{:06X}{:02X}\n", i.1.mem_loc, i.1.length);//, if i.1.pos {"+"} else {"-"}, sym_tab.get(&i.1.symbol).unwrap().mem_loc);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/nomparse.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 | ...   write!(*parsed, "{:<4}{:<8X}{:<8}{:<8}{:<8}{:<8}\n", i.line_no, i.mem_loc, i.label.clone().unwrap_or("".to_owned()), i.operation, display_vec(&i.args), display_vec_nums(&i.obj_code));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let _ = write!(*parsed, "{:<4}{:<8X}{:<8}{:<8}{:<8}{:<8}\n", i.line_no, i.mem_loc, i.label.clone().unwrap_or("".to_owned()), i.operation, display_vec(&i.args), display_vec_nums(&i.obj_code));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/line.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |             write!(a, "{}", i);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let _ = write!(a, "{}", i);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/line.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             write!(a, "      ");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 164 |             let _ = write!(a, "      ");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/line.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |             write!(a, "{:02X}", i);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let _ = write!(a, "{:02X}", i);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/line.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |             write!(a, "      ");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let _ = write!(a, "      ");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.49s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.0.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "ee201b682ff1ba8a401f34849c007a8ec4b2fad52f384ab57f9437b20dc82dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee201b682ff1ba8a401f34849c007a8ec4b2fad52f384ab57f9437b20dc82dc8", kill_on_drop: false }`
[INFO] [stdout] ee201b682ff1ba8a401f34849c007a8ec4b2fad52f384ab57f9437b20dc82dc8
