[INFO] updating cached repository https://github.com/sweetcoco/jsc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b894d004c27bbaa1aef344b14cbb583109f68a82
[INFO] checking sweetcoco/jsc against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetcoco%2Fjsc" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sweetcoco/jsc 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/sweetcoco/jsc
[INFO] finished tweaking git repo https://github.com/sweetcoco/jsc
[INFO] tweaked toml for git repo https://github.com/sweetcoco/jsc written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sweetcoco/jsc 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ef92386e65fc870138240202503723797858f28d2dc98140df12cabd10fd447
[INFO] running `"docker" "start" "-a" "6ef92386e65fc870138240202503723797858f28d2dc98140df12cabd10fd447"`
[INFO] [stderr]     Checking jsc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::parser_state_result::ParserStateResult`
[INFO] [stderr]  --> src/parsers/choice_parser.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use super::parser_state_result::ParserStateResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parsers::parser_state_result::ParserStateResult`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use parsers::parser_state_result::ParserStateResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::parser_state_result::ParserStateResult`
[INFO] [stderr]  --> src/parsers/choice_parser.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use super::parser_state_result::ParserStateResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parsers::parser_state_result::ParserStateResult`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use parsers::parser_state_result::ParserStateResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string1`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let string1 = String::from("hello there!");
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string1`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let string1 = String::from("hello there!");
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parsers/sequence_of_parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(parsers: Vec<Parser>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_string_parser`
[INFO] [stderr]   --> src/parsers/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new_string_parser(string: String) -> Parser {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_sequence_of_parser`
[INFO] [stderr]   --> src/parsers/parser.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn new_sequence_of_parser(parsers: Vec<Parser>) -> Parser {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `map`
[INFO] [stderr]   --> src/parsers/parser.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn map(self,  map_lambda: impl Fn(ParserStateResult) -> ParserStateResult + 'static) -> Parser {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `error_map`
[INFO] [stderr]   --> src/parsers/parser.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn error_map(self,  error_map_lambda: impl Fn(ParserStateResult, usize) -> String + 'static) -> Parser {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parsers/sequence_of_parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(parsers: Vec<Parser>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_string_parser`
[INFO] [stderr]   --> src/parsers/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new_string_parser(string: String) -> Parser {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_sequence_of_parser`
[INFO] [stderr]   --> src/parsers/parser.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn new_sequence_of_parser(parsers: Vec<Parser>) -> Parser {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `map`
[INFO] [stderr]   --> src/parsers/parser.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn map(self,  map_lambda: impl Fn(ParserStateResult) -> ParserStateResult + 'static) -> Parser {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `error_map`
[INFO] [stderr]   --> src/parsers/parser.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn error_map(self,  error_map_lambda: impl Fn(ParserStateResult, usize) -> String + 'static) -> Parser {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "6ef92386e65fc870138240202503723797858f28d2dc98140df12cabd10fd447"`
[INFO] running `"docker" "rm" "-f" "6ef92386e65fc870138240202503723797858f28d2dc98140df12cabd10fd447"`
[INFO] [stdout] 6ef92386e65fc870138240202503723797858f28d2dc98140df12cabd10fd447