[INFO] fetching crate rual 0.0.2...
[INFO] testing rual-0.0.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate rual 0.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rual 0.0.2
[INFO] finished tweaking crates.io crate rual 0.0.2
[INFO] tweaked toml for crates.io crate rual 0.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rual 0.0.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdf91d4c741c9708aa6fb4b005b28b57aeb52bcf7cbf04fb0c20ae1ba44c1bbc
[INFO] running `Command { std: "docker" "start" "-a" "cdf91d4c741c9708aa6fb4b005b28b57aeb52bcf7cbf04fb0c20ae1ba44c1bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdf91d4c741c9708aa6fb4b005b28b57aeb52bcf7cbf04fb0c20ae1ba44c1bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf91d4c741c9708aa6fb4b005b28b57aeb52bcf7cbf04fb0c20ae1ba44c1bbc", kill_on_drop: false }`
[INFO] [stdout] cdf91d4c741c9708aa6fb4b005b28b57aeb52bcf7cbf04fb0c20ae1ba44c1bbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c3a0f34a2036e8563eebc21384ee84bb68d2f95619fb878af010163eb829179
[INFO] running `Command { std: "docker" "start" "-a" "3c3a0f34a2036e8563eebc21384ee84bb68d2f95619fb878af010163eb829179", kill_on_drop: false }`
[INFO] [stderr]    Compiling rual v0.0.2 (/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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]    --> src/execution/mod.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct Scope<'t> {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] 132 |     parent: Option<&'t Scope<'t>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/execution/mod.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl<'t> Scope<'t> {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] 137 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/execution/mod.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn lookup(&self, ident: &str) -> Option<&RealmValue> {
[INFO] [stdout]    |                   ^^^^^                         ^^^^^^^^^^^
[INFO] [stdout]    |                   |                             ||
[INFO] [stdout]    |                   |                             |the same lifetime is hidden here
[INFO] [stdout]    |                   |                             the same lifetime is elided here
[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] 40 |     pub fn lookup(&self, ident: &str) -> Option<&RealmValue<'_>> {
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/execution/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.exec_expr(&expr);
[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] 58 |         let _ = self.exec_expr(&expr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "3c3a0f34a2036e8563eebc21384ee84bb68d2f95619fb878af010163eb829179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3a0f34a2036e8563eebc21384ee84bb68d2f95619fb878af010163eb829179", kill_on_drop: false }`
[INFO] [stdout] 3c3a0f34a2036e8563eebc21384ee84bb68d2f95619fb878af010163eb829179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b30871df9a8dae39b609b334d76cbb2200d77d30d44fe95aea7d4552311fe5c2
[INFO] running `Command { std: "docker" "start" "-a" "b30871df9a8dae39b609b334d76cbb2200d77d30d44fe95aea7d4552311fe5c2", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]    --> src/execution/mod.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct Scope<'t> {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] 132 |     parent: Option<&'t Scope<'t>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/execution/mod.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl<'t> Scope<'t> {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] 137 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/execution/mod.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn lookup(&self, ident: &str) -> Option<&RealmValue> {
[INFO] [stdout]    |                   ^^^^^                         ^^^^^^^^^^^
[INFO] [stdout]    |                   |                             ||
[INFO] [stdout]    |                   |                             |the same lifetime is hidden here
[INFO] [stdout]    |                   |                             the same lifetime is elided here
[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] 40 |     pub fn lookup(&self, ident: &str) -> Option<&RealmValue<'_>> {
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/execution/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.exec_expr(&expr);
[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] 58 |         let _ = self.exec_expr(&expr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rual v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]    --> src/execution/mod.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct Scope<'t> {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] 132 |     parent: Option<&'t Scope<'t>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/execution/mod.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl<'t> Scope<'t> {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] 137 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/execution/mod.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn lookup(&self, ident: &str) -> Option<&RealmValue> {
[INFO] [stdout]    |                   ^^^^^                         ^^^^^^^^^^^
[INFO] [stdout]    |                   |                             ||
[INFO] [stdout]    |                   |                             |the same lifetime is hidden here
[INFO] [stdout]    |                   |                             the same lifetime is elided here
[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] 40 |     pub fn lookup(&self, ident: &str) -> Option<&RealmValue<'_>> {
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/execution/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.exec_expr(&expr);
[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] 58 |         let _ = self.exec_expr(&expr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "b30871df9a8dae39b609b334d76cbb2200d77d30d44fe95aea7d4552311fe5c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30871df9a8dae39b609b334d76cbb2200d77d30d44fe95aea7d4552311fe5c2", kill_on_drop: false }`
[INFO] [stdout] b30871df9a8dae39b609b334d76cbb2200d77d30d44fe95aea7d4552311fe5c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b466d84512debb3cc90cffcd9a068b574fc486b41e9bd5eceb495b660c9b8ef
[INFO] running `Command { std: "docker" "start" "-a" "2b466d84512debb3cc90cffcd9a068b574fc486b41e9bd5eceb495b660c9b8ef", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Punct`
[INFO] [stdout] 
[INFO] [stderr]  --> src/lexing/mod.rs:3:30
[INFO] [stdout] running 22 tests
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::syntax::{Keyword, Punct, Token, TokenType};
[INFO] [stderr]   |                              ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `parent` is never read
[INFO] [stderr]    --> src/execution/mod.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 131 | struct Scope<'t> {
[INFO] [stderr]     |        ----- field in this struct
[INFO] [stderr] 132 |     parent: Option<&'t Scope<'t>>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/execution/mod.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 136 | impl<'t> Scope<'t> {
[INFO] [stderr]     | ------------------ associated function in this implementation
[INFO] [stderr] 137 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/execution/mod.rs:40:19
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn lookup(&self, ident: &str) -> Option<&RealmValue> {
[INFO] [stderr]    |                   ^^^^^                         ^^^^^^^^^^^
[INFO] [stderr]    |                   |                             ||
[INFO] [stderr]    |                   |                             |the same lifetime is hidden here
[INFO] [stderr]    |                   |                             the same lifetime is elided here
[INFO] [stderr]    |                   the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn lookup(&self, ident: &str) -> Option<&RealmValue<'_>> {
[INFO] [stderr]    |                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/execution/mod.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         self.exec_expr(&expr);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let _ = self.exec_expr(&expr);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rual` (lib) generated 5 warnings (run `cargo fix --lib -p rual` to apply 2 suggestions)
[INFO] [stderr] warning: `rual` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rual-9a02aa0e48dd4b0e)
[INFO] [stdout] test execution::tests::shadowing ... ok
[INFO] [stdout] test execution::tests::string_declarations ... ok
[INFO] [stdout] test execution::tests::ranges ... ok
[INFO] [stdout] test execution::tests::numeric_declarations ... ok
[INFO] [stdout] test lexing::tests::a_couple_declarations ... ok
[INFO] [stdout] test execution::tests::long_calculations_dont_overflow ... ok
[INFO] [stdout] test lexing::tests::discard ... ok
[INFO] [stdout] test lexing::tests::func ... ok
[INFO] [stdout] test lexing::tests::lists ... ok
[INFO] [stdout] test lexing::tests::single_comment ... ok
[INFO] [stdout] test lexing::tests::maps ... ok
[INFO] [stdout] test lexing::tests::sub_punct ... ok
[INFO] [stdout] test lexing::tests::hi_ord_func ... ok
[INFO] [stdout] test lexing::tests::strings ... 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::range_declarations ... ok
[INFO] [stdout] test parsing::tests::simple_num_declaration ... ok
[INFO] [stdout] test parsing::tests::simple_string_declaration ... ok
[INFO] [stdout] test lexing::tests::new_line ... ok
[INFO] [stdout] test lexing::tests::nums ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rual
[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" "2b466d84512debb3cc90cffcd9a068b574fc486b41e9bd5eceb495b660c9b8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b466d84512debb3cc90cffcd9a068b574fc486b41e9bd5eceb495b660c9b8ef", kill_on_drop: false }`
[INFO] [stdout] 2b466d84512debb3cc90cffcd9a068b574fc486b41e9bd5eceb495b660c9b8ef
