[INFO] updating cached repository https://github.com/cronning9/math-lexer
[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] 5c1f5be4f3b4ea8562e63c73b4e4627a8f6d8bcc
[INFO] testing cronning9/math-lexer against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronning9%2Fmath-lexer" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cronning9/math-lexer on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cronning9/math-lexer
[INFO] finished tweaking git repo https://github.com/cronning9/math-lexer
[INFO] tweaked toml for git repo https://github.com/cronning9/math-lexer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/cronning9/math-lexer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6dd60ca36ab7275e113e4dc5efd1b014c2068a6520311a7f13843be17ff39f87
[INFO] running `"docker" "start" "-a" "6dd60ca36ab7275e113e4dc5efd1b014c2068a6520311a7f13843be17ff39f87"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling math-lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::iter::Enumerate`
[INFO] [stderr]  --> src/lexer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::iter::Enumerate;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::Chars`
[INFO] [stderr]  --> src/lexer.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str::Chars;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/number_state_rules.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             _ => panic!("An error has occurred."),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `index` is never read
[INFO] [stderr]    --> src/lexer.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |                     index += 2;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `index` is never read
[INFO] [stderr]    --> src/lexer.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |                     index += 1;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lexer.rs:181:43
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn tokenize_arith_operator(&mut self, i: u64, c: char) -> Token {
[INFO] [stderr]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[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/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut input: String;
[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: struct is never constructed: `FSMResult`
[INFO] [stderr]   --> src/fsm/mod.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct FSMResult {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plus`
[INFO] [stderr]  --> src/tokens.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Plus,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Minus`
[INFO] [stderr]  --> src/tokens.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Minus,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Times`
[INFO] [stderr]  --> src/tokens.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Times,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Div`
[INFO] [stderr]  --> src/tokens.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Div,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThan`
[INFO] [stderr]   --> src/tokens.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     GreaterThan,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThanOrEqual`
[INFO] [stderr]   --> src/tokens.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     GreaterThanOrEqual,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThan`
[INFO] [stderr]   --> src/tokens.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     LessThan,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThanOrEqual`
[INFO] [stderr]   --> src/tokens.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     LessThanOrEqual,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equal`
[INFO] [stderr]   --> src/tokens.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Equal,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/tokens.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Identifier(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/tokens.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Number(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ArithOperator`
[INFO] [stderr]   --> src/tokens.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     ArithOperator(ArithOperators),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ComparisonOperator`
[INFO] [stderr]   --> src/tokens.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     ComparisonOperator(ComparisonOperators),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assignment`
[INFO] [stderr]   --> src/tokens.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Assignment,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftParen`
[INFO] [stderr]   --> src/tokens.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     LeftParen,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightParen`
[INFO] [stderr]   --> src/tokens.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     RightParen,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EndOfInput`
[INFO] [stderr]   --> src/tokens.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     EndOfInput,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "6dd60ca36ab7275e113e4dc5efd1b014c2068a6520311a7f13843be17ff39f87"`
[INFO] running `"docker" "rm" "-f" "6dd60ca36ab7275e113e4dc5efd1b014c2068a6520311a7f13843be17ff39f87"`
[INFO] [stdout] 6dd60ca36ab7275e113e4dc5efd1b014c2068a6520311a7f13843be17ff39f87
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6be0ad48fa2de7f81fb6d81550c7c7eaf7c5f0908884b1b8fd707ab67c80ce6f
[INFO] running `"docker" "start" "-a" "6be0ad48fa2de7f81fb6d81550c7c7eaf7c5f0908884b1b8fd707ab67c80ce6f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling math-lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::iter::Enumerate`
[INFO] [stderr]  --> src/lexer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::iter::Enumerate;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::Chars`
[INFO] [stderr]  --> src/lexer.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str::Chars;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/number_state_rules.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             _ => panic!("An error has occurred."),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `index` is never read
[INFO] [stderr]    --> src/lexer.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |                     index += 2;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `index` is never read
[INFO] [stderr]    --> src/lexer.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |                     index += 1;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lexer.rs:181:43
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn tokenize_arith_operator(&mut self, i: u64, c: char) -> Token {
[INFO] [stderr]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[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/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut input: String;
[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: struct is never constructed: `FSMResult`
[INFO] [stderr]   --> src/fsm/mod.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct FSMResult {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plus`
[INFO] [stderr]  --> src/tokens.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Plus,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Minus`
[INFO] [stderr]  --> src/tokens.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Minus,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Times`
[INFO] [stderr]  --> src/tokens.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Times,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Div`
[INFO] [stderr]  --> src/tokens.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Div,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThan`
[INFO] [stderr]   --> src/tokens.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     GreaterThan,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThanOrEqual`
[INFO] [stderr]   --> src/tokens.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     GreaterThanOrEqual,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThan`
[INFO] [stderr]   --> src/tokens.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     LessThan,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThanOrEqual`
[INFO] [stderr]   --> src/tokens.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     LessThanOrEqual,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equal`
[INFO] [stderr]   --> src/tokens.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Equal,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/tokens.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Identifier(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/tokens.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Number(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ArithOperator`
[INFO] [stderr]   --> src/tokens.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     ArithOperator(ArithOperators),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ComparisonOperator`
[INFO] [stderr]   --> src/tokens.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     ComparisonOperator(ComparisonOperators),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assignment`
[INFO] [stderr]   --> src/tokens.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Assignment,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftParen`
[INFO] [stderr]   --> src/tokens.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     LeftParen,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightParen`
[INFO] [stderr]   --> src/tokens.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     RightParen,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EndOfInput`
[INFO] [stderr]   --> src/tokens.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     EndOfInput,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "6be0ad48fa2de7f81fb6d81550c7c7eaf7c5f0908884b1b8fd707ab67c80ce6f"`
[INFO] running `"docker" "rm" "-f" "6be0ad48fa2de7f81fb6d81550c7c7eaf7c5f0908884b1b8fd707ab67c80ce6f"`
[INFO] [stdout] 6be0ad48fa2de7f81fb6d81550c7c7eaf7c5f0908884b1b8fd707ab67c80ce6f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44671385c064cc033bfdaeee0b74ec6fe7b1e899a1595b013d937dadc3905569
[INFO] running `"docker" "start" "-a" "44671385c064cc033bfdaeee0b74ec6fe7b1e899a1595b013d937dadc3905569"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::iter::Enumerate`
[INFO] [stderr]  --> src/lexer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::iter::Enumerate;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::Chars`
[INFO] [stderr]  --> src/lexer.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str::Chars;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/number_state_rules.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             _ => panic!("An error has occurred."),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `index` is never read
[INFO] [stderr]    --> src/lexer.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |                     index += 2;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `index` is never read
[INFO] [stderr]    --> src/lexer.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |                     index += 1;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lexer.rs:181:43
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn tokenize_arith_operator(&mut self, i: u64, c: char) -> Token {
[INFO] [stderr]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[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/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut input: String;
[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: struct is never constructed: `FSMResult`
[INFO] [stderr]   --> src/fsm/mod.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct FSMResult {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plus`
[INFO] [stderr]  --> src/tokens.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Plus,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Minus`
[INFO] [stderr]  --> src/tokens.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Minus,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Times`
[INFO] [stderr]  --> src/tokens.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Times,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Div`
[INFO] [stderr]  --> src/tokens.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Div,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThan`
[INFO] [stderr]   --> src/tokens.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     GreaterThan,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThanOrEqual`
[INFO] [stderr]   --> src/tokens.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     GreaterThanOrEqual,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThan`
[INFO] [stderr]   --> src/tokens.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     LessThan,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThanOrEqual`
[INFO] [stderr]   --> src/tokens.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     LessThanOrEqual,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equal`
[INFO] [stderr]   --> src/tokens.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Equal,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/tokens.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Identifier(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/tokens.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Number(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ArithOperator`
[INFO] [stderr]   --> src/tokens.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     ArithOperator(ArithOperators),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ComparisonOperator`
[INFO] [stderr]   --> src/tokens.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     ComparisonOperator(ComparisonOperators),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assignment`
[INFO] [stderr]   --> src/tokens.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Assignment,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftParen`
[INFO] [stderr]   --> src/tokens.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     LeftParen,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RightParen`
[INFO] [stderr]   --> src/tokens.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     RightParen,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EndOfInput`
[INFO] [stderr]   --> src/tokens.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     EndOfInput,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/math_lexer-3ba72d6e139e87ee
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "44671385c064cc033bfdaeee0b74ec6fe7b1e899a1595b013d937dadc3905569"`
[INFO] running `"docker" "rm" "-f" "44671385c064cc033bfdaeee0b74ec6fe7b1e899a1595b013d937dadc3905569"`
[INFO] [stdout] 44671385c064cc033bfdaeee0b74ec6fe7b1e899a1595b013d937dadc3905569