[INFO] fetching crate rtoml 0.1.1...
[INFO] checking rtoml-0.1.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate rtoml 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rtoml 0.1.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-12/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb878b0b81a7d42610ffae6f2013edbf8243403f53a79c32bb7ccc362f549e72
[INFO] running `Command { std: "docker" "start" "-a" "eb878b0b81a7d42610ffae6f2013edbf8243403f53a79c32bb7ccc362f549e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb878b0b81a7d42610ffae6f2013edbf8243403f53a79c32bb7ccc362f549e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb878b0b81a7d42610ffae6f2013edbf8243403f53a79c32bb7ccc362f549e72", kill_on_drop: false }`
[INFO] [stdout] eb878b0b81a7d42610ffae6f2013edbf8243403f53a79c32bb7ccc362f549e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3215533817bf8b4206e2d28f4e03cbf8920175607338afade570f28d0da99202
[INFO] running `Command { std: "docker" "start" "-a" "3215533817bf8b4206e2d28f4e03cbf8920175607338afade570f28d0da99202", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:45:37
[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:45:37
[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:55:41
[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:55:41
[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: panic message is not a string literal
[INFO] [stdout]    --> src/bulletins/array.rs:105:43
[INFO] [stdout]     |
[INFO] [stdout] 105 |   ...                   comp_err!(format!(
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 106 | | ...                       "Found a {:?} type found in a {:?} type array",
[INFO] [stdout] 107 | | ...                       type_of_literal, arr_type
[INFO] [stdout] 108 | | ...                   ));
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]   --> src/bulletins/inline_table.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 |         comp_err!("Inline tables should be ending with `}`");
[INFO] [stdout]    |                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/bulletins/array.rs:105:43
[INFO] [stdout]     |
[INFO] [stdout] 105 |   ...                   comp_err!(format!(
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 106 | | ...                       "Found a {:?} type found in a {:?} type array",
[INFO] [stdout] 107 | | ...                       type_of_literal, arr_type
[INFO] [stdout] 108 | | ...                   ));
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/bulletins/array.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains a brace
[INFO] [stdout]   --> src/bulletins/inline_table.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 |         comp_err!("Inline tables should be ending with `}`");
[INFO] [stdout]    |                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/lexer/mod.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/bulletins/array.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/lexer/mod.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "3215533817bf8b4206e2d28f4e03cbf8920175607338afade570f28d0da99202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3215533817bf8b4206e2d28f4e03cbf8920175607338afade570f28d0da99202", kill_on_drop: false }`
[INFO] [stdout] 3215533817bf8b4206e2d28f4e03cbf8920175607338afade570f28d0da99202