[INFO] fetching crate rual-core 0.0.4...
[INFO] testing rual-core-0.0.4 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate rual-core 0.0.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rual-core 0.0.4 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rual-core 0.0.4
[INFO] finished tweaking crates.io crate rual-core 0.0.4
[INFO] tweaked toml for crates.io crate rual-core 0.0.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffc6aff1964d584b4a3a09aae65202f5970dec747f2ccb027fa6b574fc455235
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ffc6aff1964d584b4a3a09aae65202f5970dec747f2ccb027fa6b574fc455235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffc6aff1964d584b4a3a09aae65202f5970dec747f2ccb027fa6b574fc455235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc6aff1964d584b4a3a09aae65202f5970dec747f2ccb027fa6b574fc455235", kill_on_drop: false }`
[INFO] [stdout] ffc6aff1964d584b4a3a09aae65202f5970dec747f2ccb027fa6b574fc455235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 546166bebb1b86d60638302816a9a893f96451e8ed94f11bf5d56b1acfe08a7c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "546166bebb1b86d60638302816a9a893f96451e8ed94f11bf5d56b1acfe08a7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rual-core v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Punct`
[INFO] [stdout]  --> src/lexing/mod.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::syntax::{Keyword, Punct, Token, TokenType};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr`, `Value`, `lexing::Lexer`, `parsing::Parser`, `syntax::Punct`
[INFO] [stdout]  --> src/vm/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     expressions::{Expr, Value},
[INFO] [stdout]   |                   ^^^^  ^^^^^
[INFO] [stdout] 3 |     lexing::Lexer,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 4 |     parsing::Parser,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     syntax::Punct,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeSet`
[INFO] [stdout]  --> src/vm/mod.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 |     collections::{BTreeMap, BTreeSet},
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/vm/mod.rs:208:17
[INFO] [stdout]     |
[INFO] [stdout] 208 |                 _ => unimplemented!("{:?}", &instr),
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unit`
[INFO] [stdout]   --> src/vm/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Unit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/vm/mod.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/vm/mod.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn init(parent: Option<&'t Scope>) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/vm/mod.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_num`
[INFO] [stdout]    --> src/vm/mod.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn lookup_num(&self, ident: &str) -> Option<i32> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_str`
[INFO] [stdout]    --> src/vm/mod.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn lookup_str(&self, ident: &str) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_list`
[INFO] [stdout]    --> src/vm/mod.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn lookup_list(&self, ident: &str) -> Option<Vec<i32>> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "546166bebb1b86d60638302816a9a893f96451e8ed94f11bf5d56b1acfe08a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546166bebb1b86d60638302816a9a893f96451e8ed94f11bf5d56b1acfe08a7c", kill_on_drop: false }`
[INFO] [stdout] 546166bebb1b86d60638302816a9a893f96451e8ed94f11bf5d56b1acfe08a7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0603a346ffc2a53637e5d9adbf686474fabfc6c3b9ff5a63ad6c92bb4e31206b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0603a346ffc2a53637e5d9adbf686474fabfc6c3b9ff5a63ad6c92bb4e31206b", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Punct`
[INFO] [stdout]  --> src/lexing/mod.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::syntax::{Keyword, Punct, Token, TokenType};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rual-core v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Expr`, `Value`, `lexing::Lexer`, `parsing::Parser`, `syntax::Punct`
[INFO] [stdout]  --> src/vm/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     expressions::{Expr, Value},
[INFO] [stdout]   |                   ^^^^  ^^^^^
[INFO] [stdout] 3 |     lexing::Lexer,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 4 |     parsing::Parser,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     syntax::Punct,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeSet`
[INFO] [stdout]  --> src/vm/mod.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 |     collections::{BTreeMap, BTreeSet},
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/vm/mod.rs:208:17
[INFO] [stdout]     |
[INFO] [stdout] 208 |                 _ => unimplemented!("{:?}", &instr),
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unit`
[INFO] [stdout]   --> src/vm/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Unit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/vm/mod.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/vm/mod.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn init(parent: Option<&'t Scope>) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/vm/mod.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_num`
[INFO] [stdout]    --> src/vm/mod.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn lookup_num(&self, ident: &str) -> Option<i32> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_str`
[INFO] [stdout]    --> src/vm/mod.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn lookup_str(&self, ident: &str) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_list`
[INFO] [stdout]    --> src/vm/mod.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn lookup_list(&self, ident: &str) -> Option<Vec<i32>> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr`, `Value`, `lexing::Lexer`, `parsing::Parser`, `syntax::Punct`
[INFO] [stdout]  --> src/vm/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     expressions::{Expr, Value},
[INFO] [stdout]   |                   ^^^^  ^^^^^
[INFO] [stdout] 3 |     lexing::Lexer,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 4 |     parsing::Parser,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     syntax::Punct,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeSet`
[INFO] [stdout]  --> src/vm/mod.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 |     collections::{BTreeMap, BTreeSet},
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/vm/mod.rs:208:17
[INFO] [stdout]     |
[INFO] [stdout] 208 |                 _ => unimplemented!("{:?}", &instr),
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unit`
[INFO] [stdout]   --> src/vm/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Unit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/vm/mod.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/vm/mod.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn init(parent: Option<&'t Scope>) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/vm/mod.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "0603a346ffc2a53637e5d9adbf686474fabfc6c3b9ff5a63ad6c92bb4e31206b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0603a346ffc2a53637e5d9adbf686474fabfc6c3b9ff5a63ad6c92bb4e31206b", kill_on_drop: false }`
[INFO] [stdout] 0603a346ffc2a53637e5d9adbf686474fabfc6c3b9ff5a63ad6c92bb4e31206b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f04c73c713ea41f7e3457bd9ede66dbbbeab400bd8330b311779c460dbc952ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f04c73c713ea41f7e3457bd9ede66dbbbeab400bd8330b311779c460dbc952ae", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Punct`
[INFO] [stderr]  --> src/lexing/mod.rs:3:30
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::syntax::{Keyword, Punct, Token, TokenType};
[INFO] [stderr]   |                              ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Expr`, `Value`, `lexing::Lexer`, `parsing::Parser`, `syntax::Punct`
[INFO] [stderr]  --> src/vm/mod.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 |     expressions::{Expr, Value},
[INFO] [stderr]   |                   ^^^^  ^^^^^
[INFO] [stderr] 3 |     lexing::Lexer,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 4 |     parsing::Parser,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 5 |     syntax::Punct,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BTreeSet`
[INFO] [stderr]  --> src/vm/mod.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 |     collections::{BTreeMap, BTreeSet},
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/vm/mod.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 _ => unimplemented!("{:?}", &instr),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unit`
[INFO] [stderr]   --> src/vm/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Unit,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/vm/mod.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `init`
[INFO] [stderr]   --> src/vm/mod.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn init(parent: Option<&'t Scope>) -> Self {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `empty`
[INFO] [stderr]   --> src/vm/mod.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn empty() -> Self {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lookup_num`
[INFO] [stderr]    --> src/vm/mod.rs:110:12
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn lookup_num(&self, ident: &str) -> Option<i32> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lookup_str`
[INFO] [stderr]    --> src/vm/mod.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn lookup_str(&self, ident: &str) -> Option<String> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lookup_list`
[INFO] [stderr]    --> src/vm/mod.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn lookup_list(&self, ident: &str) -> Option<Vec<i32>> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Expr`, `Value`, `lexing::Lexer`, `parsing::Parser`, `syntax::Punct`
[INFO] [stderr]  --> src/vm/mod.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 |     expressions::{Expr, Value},
[INFO] [stderr]   |                   ^^^^  ^^^^^
[INFO] [stderr] 3 |     lexing::Lexer,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 4 |     parsing::Parser,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 5 |     syntax::Punct,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BTreeSet`
[INFO] [stderr]  --> src/vm/mod.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 |     collections::{BTreeMap, BTreeSet},
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/vm/mod.rs:208:17
[INFO] [stderr]     |
[INFO] [stderr] 208 |                 _ => unimplemented!("{:?}", &instr),
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unit`
[INFO] [stderr]   --> src/vm/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Unit,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/vm/mod.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `init`
[INFO] [stderr]   --> src/vm/mod.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn init(parent: Option<&'t Scope>) -> Self {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `empty`
[INFO] [stderr]   --> src/vm/mod.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn empty() -> Self {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rual_core-dfc857230a02dc39)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test lexing::tests::discard ... ok
[INFO] [stdout] test lexing::tests::hi_ord_func ... ok
[INFO] [stdout] test lexing::tests::a_couple_declarations ... ok
[INFO] [stdout] test lexing::tests::lists ... ok
[INFO] [stdout] test lexing::tests::func ... ok
[INFO] [stdout] test lexing::tests::maps ... ok
[INFO] [stdout] test lexing::tests::new_line ... ok
[INFO] [stdout] test lexing::tests::nums ... ok
[INFO] [stdout] test lexing::tests::single_comment ... ok
[INFO] [stdout] test lexing::tests::sub_punct ... ok
[INFO] [stdout] test lexing::tests::tuples ... ok
[INFO] [stdout] test parsing::tests::calc_assignment ... ok
[INFO] [stdout] test parsing::tests::a_couple_of_declarations ... ok
[INFO] [stdout] test parsing::tests::simple_num_declaration ... ok
[INFO] [stdout] test parsing::tests::function_declaration ... ok
[INFO] [stdout] test vm::compilation::tests::range_declaration ... ok
[INFO] [stdout] test parsing::tests::range_declarations ... ok
[INFO] [stdout] test vm::compilation::tests::function_declaration_and_invocation ... ok
[INFO] [stdout] test lexing::tests::strings ... ok
[INFO] [stdout] test parsing::tests::simple_string_declaration ... ok
[INFO] [stdout] test vm::compilation::tests::parameterless_function_declaration_and_invocation ... ok
[INFO] [stdout] test parsing::tests::function_invocation ... ok
[INFO] [stdout] test parsing::tests::function_invocation_assignment ... ok
[INFO] [stdout] test parsing::tests::parameterless_function_declaration ... ok
[INFO] [stdout] test vm::tests::function_declaration_and_invocation ... ok
[INFO] [stdout] test vm::tests::range_declaration ... ok
[INFO] [stdout] test vm::tests::simple_numeric_declaration ... ok
[INFO] [stdout] test vm::tests::string_declaration ... ok
[INFO] [stdout] test vm::compilation::tests::simple_numeric_declaration ... ok
[INFO] [stdout] test vm::tests::parameterless_function_declaration_and_invocation ... ok
[INFO] [stdout] test vm::compilation::tests::string_declaration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rual-core
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f04c73c713ea41f7e3457bd9ede66dbbbeab400bd8330b311779c460dbc952ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04c73c713ea41f7e3457bd9ede66dbbbeab400bd8330b311779c460dbc952ae", kill_on_drop: false }`
[INFO] [stdout] f04c73c713ea41f7e3457bd9ede66dbbbeab400bd8330b311779c460dbc952ae