[INFO] cloning repository https://github.com/SunDoge/prettytoml
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SunDoge/prettytoml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fprettytoml"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fprettytoml'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09210d808548a4b104c28f4de22ac50ad2d037fe
[INFO] checking SunDoge/prettytoml against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fprettytoml" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SunDoge/prettytoml on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SunDoge/prettytoml
[INFO] finished tweaking git repo https://github.com/SunDoge/prettytoml
[INFO] tweaked toml for git repo https://github.com/SunDoge/prettytoml written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SunDoge/prettytoml already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 40de95824ad7a2646474141e869c0aba5b57d0023312d840b30f5acfdf9b2c0c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "40de95824ad7a2646474141e869c0aba5b57d0023312d840b30f5acfdf9b2c0c"`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking prettytoml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::tokens::*`
[INFO] [stderr]    --> src/lexer/mod.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |     use crate::tokens::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token_stream`
[INFO] [stderr]   --> src/parser/mod.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn parse_token_stream(token_stream: TokenStream) {}
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token_stream`
[INFO] [stderr]  --> src/parser/parser.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stderr]   |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token_stream`
[INFO] [stderr]   --> src/parser/mod.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn parse_token_stream(token_stream: TokenStream) {}
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token_stream`
[INFO] [stderr]  --> src/parser/parser.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stderr]   |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `toml_file_elements`
[INFO] [stderr]  --> src/parser/parser.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `head_index`
[INFO] [stderr]  --> src/parser/tokenstream.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     head_index: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tokens`
[INFO] [stderr]  --> src/parser/tokenstream.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     tokens: &'a Vec<Token>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head`
[INFO] [stderr]   --> src/parser/tokenstream.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn head(&self) -> Option<&Token> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tail`
[INFO] [stderr]   --> src/parser/tokenstream.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn tail(&self) -> TokenStream {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `offset`
[INFO] [stderr]   --> src/parser/tokenstream.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn offset(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at_end`
[INFO] [stderr]   --> src/parser/tokenstream.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn at_end(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/parser/tokenstream.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Capture`
[INFO] [stderr]  --> src/parser/recdesc.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Capture<'a> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/parser/recdesc.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(token_stream: TokenStream) -> Capture {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pending_tokens`
[INFO] [stderr]   --> src/parser/recdesc.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn pending_tokens(&self) -> &TokenStream {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `toml_file_elements`
[INFO] [stderr]  --> src/parser/parser.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `head_index`
[INFO] [stderr]  --> src/parser/tokenstream.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     head_index: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tokens`
[INFO] [stderr]  --> src/parser/tokenstream.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     tokens: &'a Vec<Token>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head`
[INFO] [stderr]   --> src/parser/tokenstream.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn head(&self) -> Option<&Token> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tail`
[INFO] [stderr]   --> src/parser/tokenstream.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn tail(&self) -> TokenStream {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `offset`
[INFO] [stderr]   --> src/parser/tokenstream.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn offset(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at_end`
[INFO] [stderr]   --> src/parser/tokenstream.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn at_end(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/parser/tokenstream.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Capture`
[INFO] [stderr]  --> src/parser/recdesc.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Capture<'a> {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/parser/recdesc.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new(token_stream: TokenStream) -> Capture {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pending_tokens`
[INFO] [stderr]   --> src/parser/recdesc.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn pending_tokens(&self) -> &TokenStream {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.72s
[INFO] running `"docker" "inspect" "40de95824ad7a2646474141e869c0aba5b57d0023312d840b30f5acfdf9b2c0c"`
[INFO] running `"docker" "rm" "-f" "40de95824ad7a2646474141e869c0aba5b57d0023312d840b30f5acfdf9b2c0c"`
[INFO] [stdout] 40de95824ad7a2646474141e869c0aba5b57d0023312d840b30f5acfdf9b2c0c