[INFO] fetching crate rtoml 0.1.1...
[INFO] checking rtoml-0.1.1 against beta for pr-78714
[INFO] extracting crate rtoml 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rtoml 0.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-5/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44d23dbd5e35a7c4e5a5f287f3d08aa4d08e3beff5c11c1b9313468a1ce7f3ee
[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" "44d23dbd5e35a7c4e5a5f287f3d08aa4d08e3beff5c11c1b9313468a1ce7f3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44d23dbd5e35a7c4e5a5f287f3d08aa4d08e3beff5c11c1b9313468a1ce7f3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d23dbd5e35a7c4e5a5f287f3d08aa4d08e3beff5c11c1b9313468a1ce7f3ee", kill_on_drop: false }`
[INFO] [stdout] 44d23dbd5e35a7c4e5a5f287f3d08aa4d08e3beff5c11c1b9313468a1ce7f3ee
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9d44c2635eec53185047a7f138269f27254213617d3f5c27f680945315a7642
[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" "a9d44c2635eec53185047a7f138269f27254213617d3f5c27f680945315a7642", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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: 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: 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "a9d44c2635eec53185047a7f138269f27254213617d3f5c27f680945315a7642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d44c2635eec53185047a7f138269f27254213617d3f5c27f680945315a7642", kill_on_drop: false }`
[INFO] [stdout] a9d44c2635eec53185047a7f138269f27254213617d3f5c27f680945315a7642