[INFO] fetching crate rtoml 0.1.1...
[INFO] testing rtoml-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rtoml 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rtoml 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtoml 0.1.1
[INFO] finished tweaking crates.io crate rtoml 0.1.1
[INFO] tweaked toml for crates.io crate rtoml 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rtoml 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e80807dc50729414dbb3112f0f29d9ebe64f40efc6b3303d307cf9a02426973
[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" "4e80807dc50729414dbb3112f0f29d9ebe64f40efc6b3303d307cf9a02426973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e80807dc50729414dbb3112f0f29d9ebe64f40efc6b3303d307cf9a02426973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e80807dc50729414dbb3112f0f29d9ebe64f40efc6b3303d307cf9a02426973", kill_on_drop: false }`
[INFO] [stdout] 4e80807dc50729414dbb3112f0f29d9ebe64f40efc6b3303d307cf9a02426973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9947433f3e8f548655a62e38f6797e6dc77f3e761d8a9ddea3922bcd33fb16a6
[INFO] running `Command { std: "docker" "start" "-a" "9947433f3e8f548655a62e38f6797e6dc77f3e761d8a9ddea3922bcd33fb16a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtoml v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::bulletins::inline_table::parse_inline_table`
[INFO] [stdout]  --> src/bulletins/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::bulletins::inline_table::parse_inline_table;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `string` is never read
[INFO] [stdout]   --> src/bulletins/array.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 | ...                   let mut string = TomlValue::String("".to_string());
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `string` is never read
[INFO] [stdout]   --> src/bulletins/array.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   let mut string = TomlValue::String("".to_string());
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `something`
[INFO] [stdout]   --> src/bulletins/array.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |                         let something = Arr::handle(arr.peekable);
[INFO] [stdout]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_something`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bulletins/inline_table.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 Tokens::Literal(x) => {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut current_child = &self.syntax_tree.child;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "9947433f3e8f548655a62e38f6797e6dc77f3e761d8a9ddea3922bcd33fb16a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9947433f3e8f548655a62e38f6797e6dc77f3e761d8a9ddea3922bcd33fb16a6", kill_on_drop: false }`
[INFO] [stdout] 9947433f3e8f548655a62e38f6797e6dc77f3e761d8a9ddea3922bcd33fb16a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 459379fd967758bd197f135d730f42ccae451c96e8453f9f7e9207dddfc6391a
[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" "459379fd967758bd197f135d730f42ccae451c96e8453f9f7e9207dddfc6391a", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::bulletins::inline_table::parse_inline_table`
[INFO] [stdout]  --> src/bulletins/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::bulletins::inline_table::parse_inline_table;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rtoml v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `string` is never read
[INFO] [stdout]   --> src/bulletins/array.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 | ...                   let mut string = TomlValue::String("".to_string());
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `string` is never read
[INFO] [stdout]   --> src/bulletins/array.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   let mut string = TomlValue::String("".to_string());
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `something`
[INFO] [stdout]   --> src/bulletins/array.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |                         let something = Arr::handle(arr.peekable);
[INFO] [stdout]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_something`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bulletins/inline_table.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 Tokens::Literal(x) => {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut current_child = &self.syntax_tree.child;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bulletins::inline_table::parse_inline_table`
[INFO] [stdout]  --> src/bulletins/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::bulletins::inline_table::parse_inline_table;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `string` is never read
[INFO] [stdout]   --> src/bulletins/array.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 | ...                   let mut string = TomlValue::String("".to_string());
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `string` is never read
[INFO] [stdout]   --> src/bulletins/array.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   let mut string = TomlValue::String("".to_string());
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `something`
[INFO] [stdout]   --> src/bulletins/array.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |                         let something = Arr::handle(arr.peekable);
[INFO] [stdout]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_something`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bulletins/inline_table.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 Tokens::Literal(x) => {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut current_child = &self.syntax_tree.child;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "459379fd967758bd197f135d730f42ccae451c96e8453f9f7e9207dddfc6391a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459379fd967758bd197f135d730f42ccae451c96e8453f9f7e9207dddfc6391a", kill_on_drop: false }`
[INFO] [stdout] 459379fd967758bd197f135d730f42ccae451c96e8453f9f7e9207dddfc6391a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8135df4acb55d014501924e6c4a69e27836d563c414a74de0f18b98a6a0ae276
[INFO] running `Command { std: "docker" "start" "-a" "8135df4acb55d014501924e6c4a69e27836d563c414a74de0f18b98a6a0ae276", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::bulletins::inline_table::parse_inline_table`
[INFO] [stderr]  --> src/bulletins/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::bulletins::inline_table::parse_inline_table;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `string` is never read
[INFO] [stderr]   --> src/bulletins/array.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 45 | ...                   let mut string = TomlValue::String("".to_string());
[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 `string` is never read
[INFO] [stderr]   --> src/bulletins/array.rs:55:37
[INFO] [stderr]    |
[INFO] [stderr] 55 | ...                   let mut string = TomlValue::String("".to_string());
[INFO] [stderr]    |                           ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `something`
[INFO] [stderr]   --> src/bulletins/array.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 |                         let something = Arr::handle(arr.peekable);
[INFO] [stderr]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_something`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/bulletins/inline_table.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 Tokens::Literal(x) => {
[INFO] [stderr]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/mod.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut current_child = &self.syntax_tree.child;
[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: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::bulletins::inline_table::parse_inline_table`
[INFO] [stderr]  --> src/bulletins/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::bulletins::inline_table::parse_inline_table;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `string` is never read
[INFO] [stderr]   --> src/bulletins/array.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 45 | ...                   let mut string = TomlValue::String("".to_string());
[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 `string` is never read
[INFO] [stderr]   --> src/bulletins/array.rs:55:37
[INFO] [stderr]    |
[INFO] [stderr] 55 | ...                   let mut string = TomlValue::String("".to_string());
[INFO] [stderr]    |                           ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `something`
[INFO] [stderr]   --> src/bulletins/array.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 |                         let something = Arr::handle(arr.peekable);
[INFO] [stderr]    |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_something`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/bulletins/inline_table.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 Tokens::Literal(x) => {
[INFO] [stderr]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser/mod.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut current_child = &self.syntax_tree.child;
[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: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rtoml-034b5b6d68b91416
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rtoml-e13b0b12bf8eb5f2
[INFO] [stderr]    Doc-tests rtoml
[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] [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] [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 `Command { std: "docker" "inspect" "8135df4acb55d014501924e6c4a69e27836d563c414a74de0f18b98a6a0ae276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8135df4acb55d014501924e6c4a69e27836d563c414a74de0f18b98a6a0ae276", kill_on_drop: false }`
[INFO] [stdout] 8135df4acb55d014501924e6c4a69e27836d563c414a74de0f18b98a6a0ae276