[INFO] cloning repository https://github.com/sweetcoco/jsc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sweetcoco/jsc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetcoco%2Fjsc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetcoco%2Fjsc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b894d004c27bbaa1aef344b14cbb583109f68a82 [INFO] checking sweetcoco/jsc against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetcoco%2Fjsc" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sweetcoco/jsc on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sweetcoco/jsc already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cfffd747459b4fd4107d349f0ef5486a1c2bb2aef45775cfd88c5bce5e8bfa34 [INFO] running `Command { std: "docker" "start" "-a" "cfffd747459b4fd4107d349f0ef5486a1c2bb2aef45775cfd88c5bce5e8bfa34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cfffd747459b4fd4107d349f0ef5486a1c2bb2aef45775cfd88c5bce5e8bfa34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfffd747459b4fd4107d349f0ef5486a1c2bb2aef45775cfd88c5bce5e8bfa34", kill_on_drop: false }` [INFO] [stdout] cfffd747459b4fd4107d349f0ef5486a1c2bb2aef45775cfd88c5bce5e8bfa34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38442c12d7fd14eac405c062112d11f5ad89556fb371539e1fb59d8209db498f [INFO] running `Command { std: "docker" "start" "-a" "38442c12d7fd14eac405c062112d11f5ad89556fb371539e1fb59d8209db498f", kill_on_drop: false }` [INFO] [stderr] Checking jsc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::parser_state_result::ParserStateResult` [INFO] [stdout] --> src/parsers/choice_parser.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use super::parser_state_result::ParserStateResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parsers::parser_state_result::ParserStateResult` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use parsers::parser_state_result::ParserStateResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::parser_state_result::ParserStateResult` [INFO] [stdout] --> src/parsers/choice_parser.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use super::parser_state_result::ParserStateResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parsers::parser_state_result::ParserStateResult` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use parsers::parser_state_result::ParserStateResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `string1` [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let string1 = String::from("hello there!"); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `string1` [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let string1 = String::from("hello there!"); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `error` is never read [INFO] [stdout] --> src/parsers/parser_state.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct ParserState { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub error: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParserState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `error` is never read [INFO] [stdout] --> src/parsers/parser_state.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct ParserState { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub error: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParserState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/parsers/sequence_of_parser.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl SequenceOfParser { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 11 | pub fn new(parsers: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/parsers/sequence_of_parser.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl SequenceOfParser { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 11 | pub fn new(parsers: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_string_parser`, `new_sequence_of_parser`, `map`, and `error_map` are never used [INFO] [stdout] --> src/parsers/parser.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Parser { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 17 | pub fn new_string_parser(string: String) -> Parser { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn new_sequence_of_parser(parsers: Vec) -> Parser { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn map(self, map_lambda: impl Fn(ParserStateResult) -> ParserStateResult + 'static) -> Parser { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn error_map(self, error_map_lambda: impl Fn(ParserStateResult, usize) -> String + 'static) -> Parser { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `run` is never used [INFO] [stdout] --> src/parsers/parser.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 90 | pub trait ParserClass { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 93 | fn run(&self, target_string: String) -> ParserState { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_string_parser`, `new_sequence_of_parser`, `map`, and `error_map` are never used [INFO] [stdout] --> src/parsers/parser.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Parser { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 17 | pub fn new_string_parser(string: String) -> Parser { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn new_sequence_of_parser(parsers: Vec) -> Parser { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn map(self, map_lambda: impl Fn(ParserStateResult) -> ParserStateResult + 'static) -> Parser { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn error_map(self, error_map_lambda: impl Fn(ParserStateResult, usize) -> String + 'static) -> Parser { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsers/parser_state_result.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | String(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParserStateResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 3 | String(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `run` is never used [INFO] [stdout] --> src/parsers/parser.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 90 | pub trait ParserClass { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 93 | fn run(&self, target_string: String) -> ParserState { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsers/parser_state_result.rs:4:14 [INFO] [stdout] | [INFO] [stdout] 4 | Sequence(Vec), [INFO] [stdout] | -------- ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParserStateResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 4 | Sequence(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsers/parser_state_result.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | String(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParserStateResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 3 | String(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsers/parser_state_result.rs:4:14 [INFO] [stdout] | [INFO] [stdout] 4 | Sequence(Vec), [INFO] [stdout] | -------- ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParserStateResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 4 | Sequence(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "38442c12d7fd14eac405c062112d11f5ad89556fb371539e1fb59d8209db498f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38442c12d7fd14eac405c062112d11f5ad89556fb371539e1fb59d8209db498f", kill_on_drop: false }` [INFO] [stdout] 38442c12d7fd14eac405c062112d11f5ad89556fb371539e1fb59d8209db498f