[INFO] cloning repository https://github.com/teruuuuuu/RCombinator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/teruuuuuu/RCombinator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteruuuuuu%2FRCombinator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteruuuuuu%2FRCombinator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 478259eb7c476f8b809311e4f2ea597d8c220b9f
[INFO] checking teruuuuuu/RCombinator against try#51000a35bc99aeffdc092bf2226ab562eedb9eff for pr-135899
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteruuuuuu%2FRCombinator" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/teruuuuuu/RCombinator on toolchain 51000a35bc99aeffdc092bf2226ab562eedb9eff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/teruuuuuu/RCombinator
[INFO] finished tweaking git repo https://github.com/teruuuuuu/RCombinator
[INFO] tweaked toml for git repo https://github.com/teruuuuuu/RCombinator written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/teruuuuuu/RCombinator 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" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32b1f0d34ae9a1c41d0cfe73af58bf3b5fcef9715f6e7cbd2d3fadbe6c08d145
[INFO] running `Command { std: "docker" "start" "-a" "32b1f0d34ae9a1c41d0cfe73af58bf3b5fcef9715f6e7cbd2d3fadbe6c08d145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32b1f0d34ae9a1c41d0cfe73af58bf3b5fcef9715f6e7cbd2d3fadbe6c08d145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b1f0d34ae9a1c41d0cfe73af58bf3b5fcef9715f6e7cbd2d3fadbe6c08d145", kill_on_drop: false }`
[INFO] [stdout] 32b1f0d34ae9a1c41d0cfe73af58bf3b5fcef9715f6e7cbd2d3fadbe6c08d145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 566aa4396b19acb2e4077460e6ef680955116bdbd014795c81f790d8cc1de4d7
[INFO] running `Command { std: "docker" "start" "-a" "566aa4396b19acb2e4077460e6ef680955116bdbd014795c81f790d8cc1de4d7", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking rcomb-parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] warning: unused import: `crate::core::parser_methods::ParserMethods`
[INFO] [stdout]  --> parser/src/common/common_parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::core::parser_methods::ParserMethods;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> parser/src/common/common_parser.rs:45:46
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn literal<'a>(v: &'a str) -> Parser<'a, &str> {
[INFO] [stdout]    |                --                            ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                lifetime `'a` declared here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> parser/src/common/common_parser.rs:45:46
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn literal<'a>(v: &'a str) -> Parser<'a, &str> {
[INFO] [stdout]    |                --                            ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                lifetime `'a` declared here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> parser/src/common/common_parser.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |         ParseResult::Success { value, location } => {
[INFO] [stdout]    |                                ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rcomb-example v0.1.0 (/opt/rustwide/workdir/example)
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]   --> parser/src/common/common_parser.rs:70:39
[INFO] [stdout]    |
[INFO] [stdout] 70 |         ParseResult::Success { value, location } => {
[INFO] [stdout]    |                                       ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> parser/src/common/common_parser.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 |         ParseResult::Success { value, location } => {
[INFO] [stdout]    |                                ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]   --> parser/src/common/common_parser.rs:77:39
[INFO] [stdout]    |
[INFO] [stdout] 77 |         ParseResult::Success { value, location } => {
[INFO] [stdout]    |                                       ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> parser/src/common/common_parser.rs:89:32
[INFO] [stdout]    |
[INFO] [stdout] 89 |         ParseResult::Success { value, location } => {
[INFO] [stdout]    |                                ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]   --> parser/src/common/common_parser.rs:89:39
[INFO] [stdout]    |
[INFO] [stdout] 89 |         ParseResult::Success { value, location } => {
[INFO] [stdout]    |                                       ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> parser/src/common/common_parser.rs:97:32
[INFO] [stdout]    |
[INFO] [stdout] 97 |         ParseResult::Success { value, location } => {
[INFO] [stdout]    |                                ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]   --> parser/src/common/common_parser.rs:97:39
[INFO] [stdout]    |
[INFO] [stdout] 97 |         ParseResult::Success { value, location } => {
[INFO] [stdout]    |                                       ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> parser/src/common/common_parser.rs:132:32
[INFO] [stdout]     |
[INFO] [stdout] 132 |         ParseResult::Failure { message, location } => {
[INFO] [stdout]     |                                ^^^^^^^ help: try ignoring the field: `message: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> parser/src/common/common_parser.rs:132:41
[INFO] [stdout]     |
[INFO] [stdout] 132 |         ParseResult::Failure { message, location } => {
[INFO] [stdout]     |                                         ^^^^^^^^ help: try ignoring the field: `location: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rcomb_parser::prelude::common_parser`
[INFO] [stdout]  --> example/src/json/json_parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rcomb_parser::prelude::common_parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rcomb_parser::prelude::parse_result::ParseResult`
[INFO] [stdout]  --> example/src/json/json_parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rcomb_parser::prelude::parse_result::ParseResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rcomb_parser::prelude::common_parser`
[INFO] [stdout]  --> example/src/json/json_parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rcomb_parser::prelude::common_parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rcomb_parser::prelude::parse_result::ParseResult`
[INFO] [stdout]  --> example/src/json/json_parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rcomb_parser::prelude::parse_result::ParseResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "566aa4396b19acb2e4077460e6ef680955116bdbd014795c81f790d8cc1de4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566aa4396b19acb2e4077460e6ef680955116bdbd014795c81f790d8cc1de4d7", kill_on_drop: false }`
[INFO] [stdout] 566aa4396b19acb2e4077460e6ef680955116bdbd014795c81f790d8cc1de4d7