[INFO] cloning repository https://github.com/1ntEgr8/lc3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1ntEgr8/lc3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ntEgr8%2Flc3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ntEgr8%2Flc3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92e890bfb8069887ce98af0a439703466bded47f
[INFO] checking 1ntEgr8/lc3 against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1ntEgr8%2Flc3" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/1ntEgr8/lc3
[INFO] finished tweaking git repo https://github.com/1ntEgr8/lc3
[INFO] tweaked toml for git repo https://github.com/1ntEgr8/lc3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/1ntEgr8/lc3 on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/1ntEgr8/lc3 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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 793c9c6e24d3e40c111daa2b3093603c708172f262115387997026e318d5bbb2
[INFO] running `Command { std: "docker" "start" "-a" "793c9c6e24d3e40c111daa2b3093603c708172f262115387997026e318d5bbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "793c9c6e24d3e40c111daa2b3093603c708172f262115387997026e318d5bbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793c9c6e24d3e40c111daa2b3093603c708172f262115387997026e318d5bbb2", kill_on_drop: false }`
[INFO] [stdout] 793c9c6e24d3e40c111daa2b3093603c708172f262115387997026e318d5bbb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bd145c28a132ff2d9c56ae76e3027053c45d2957509efadaed66340d6fd56eb
[INFO] running `Command { std: "docker" "start" "-a" "8bd145c28a132ff2d9c56ae76e3027053c45d2957509efadaed66340d6fd56eb", kill_on_drop: false }`
[INFO] [stderr]     Checking lc3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/lex.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   let token = self.lex_token();
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NumberData` is more private than the item `Token::NUMBER::0`
[INFO] [stdout]   --> src/lex.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     NUMBER(NumberData)
[INFO] [stdout]    |            ^^^^^^^^^^ field `Token::NUMBER::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `NumberData` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/lex.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct NumberData {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lex.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     PSEUDO(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -     PSEUDO(String),
[INFO] [stdout] 11 +     PSEUDO(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lex.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     COMMENT(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     COMMENT(String),
[INFO] [stdout] 12 +     COMMENT(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LABEL`, `INSTR`, and `NUMBER` are never constructed
[INFO] [stdout]   --> src/lex.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout]  8 |     LABEL,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     INSTR,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     NUMBER(NumberData)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `radix` and `value` are never read
[INFO] [stdout]   --> src/lex.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct NumberData {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 18 |     radix: Radix,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 19 |     value: String
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NumberData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `BIN`, `HEX`, and `DEC` are never constructed
[INFO] [stdout]   --> src/lex.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Radix {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 24 |     BIN,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     HEX,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 26 |     DEC
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Radix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lex.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl LexerError {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 41 |     fn new(message: &str) -> LexerError {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lex.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn new(s: &str) -> Lexer {
[INFO] [stdout]    |                   ^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn new(s: &str) -> Lexer<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/lex.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 | ...                   let token = self.lex_token();
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NumberData` is more private than the item `Token::NUMBER::0`
[INFO] [stdout]   --> src/lex.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     NUMBER(NumberData)
[INFO] [stdout]    |            ^^^^^^^^^^ field `Token::NUMBER::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `NumberData` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/lex.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct NumberData {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lex.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     PSEUDO(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -     PSEUDO(String),
[INFO] [stdout] 11 +     PSEUDO(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lex.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     COMMENT(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     COMMENT(String),
[INFO] [stdout] 12 +     COMMENT(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LABEL`, `INSTR`, and `NUMBER` are never constructed
[INFO] [stdout]   --> src/lex.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout]  8 |     LABEL,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     INSTR,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     NUMBER(NumberData)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `radix` and `value` are never read
[INFO] [stdout]   --> src/lex.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct NumberData {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 18 |     radix: Radix,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 19 |     value: String
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NumberData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `BIN`, `HEX`, and `DEC` are never constructed
[INFO] [stdout]   --> src/lex.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Radix {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 24 |     BIN,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     HEX,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 26 |     DEC
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Radix` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lex.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl LexerError {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 41 |     fn new(message: &str) -> LexerError {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lex.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn new(s: &str) -> Lexer {
[INFO] [stdout]    |                   ^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn new(s: &str) -> Lexer<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "8bd145c28a132ff2d9c56ae76e3027053c45d2957509efadaed66340d6fd56eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd145c28a132ff2d9c56ae76e3027053c45d2957509efadaed66340d6fd56eb", kill_on_drop: false }`
[INFO] [stdout] 8bd145c28a132ff2d9c56ae76e3027053c45d2957509efadaed66340d6fd56eb
