[INFO] cloning repository https://github.com/ustchcl/json_parser_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ustchcl/json_parser_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustchcl%2Fjson_parser_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustchcl%2Fjson_parser_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b36ba78dd16c25540f7144f82c38fbfdf75140e
[INFO] checking ustchcl/json_parser_in_rust against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustchcl%2Fjson_parser_in_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ustchcl/json_parser_in_rust on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ustchcl/json_parser_in_rust
[INFO] finished tweaking git repo https://github.com/ustchcl/json_parser_in_rust
[INFO] tweaked toml for git repo https://github.com/ustchcl/json_parser_in_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ustchcl/json_parser_in_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f85253d9fbcc4b8c404fbd6a6ab25d372d4a4895260fd8636c0fa2241822368
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f85253d9fbcc4b8c404fbd6a6ab25d372d4a4895260fd8636c0fa2241822368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f85253d9fbcc4b8c404fbd6a6ab25d372d4a4895260fd8636c0fa2241822368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f85253d9fbcc4b8c404fbd6a6ab25d372d4a4895260fd8636c0fa2241822368", kill_on_drop: false }`
[INFO] [stdout] 8f85253d9fbcc4b8c404fbd6a6ab25d372d4a4895260fd8636c0fa2241822368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d87ce4ca6b461fba30ad800e1c0cc9158214031dc780e23deb2bac2af2d4b70f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d87ce4ca6b461fba30ad800e1c0cc9158214031dc780e23deb2bac2af2d4b70f", kill_on_drop: false }`
[INFO] [stderr]     Checking json_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/json_parser.rs:555:9
[INFO] [stdout]     |
[INFO] [stdout] 555 |     let input: Input = "";
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExpectedEof`
[INFO] [stdout]  --> src/json_parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ExpectedEof(Input),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `space_1`
[INFO] [stdout]    --> src/json_parser.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn space_1() -> List1Parser<char> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lower`
[INFO] [stdout]    --> src/json_parser.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn lower() -> SatisfyParser {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `upper`
[INFO] [stdout]    --> src/json_parser.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn upper() -> SatisfyParser {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `alpha`
[INFO] [stdout]    --> src/json_parser.rs:200:4
[INFO] [stdout]     |
[INFO] [stdout] 200 | fn alpha() -> SatisfyParser {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comma_tok`
[INFO] [stdout]    --> src/json_parser.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn comma_tok() -> Tok<char> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `quote`
[INFO] [stdout]    --> src/json_parser.rs:228:4
[INFO] [stdout]     |
[INFO] [stdout] 228 | fn quote() -> impl Parser<char> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `option`
[INFO] [stdout]    --> src/json_parser.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn option<A>(a: A, p: Box<dyn Parser<A>>) -> impl Parser<A> where A: Clone, A: 'static {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `digits1`
[INFO] [stdout]    --> src/json_parser.rs:255:4
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn digits1() -> List1Parser<char> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `one_of`
[INFO] [stdout]    --> src/json_parser.rs:259:4
[INFO] [stdout]     |
[INFO] [stdout] 259 | fn one_of(s: &'static str) -> SatisfyParser {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `none_of`
[INFO] [stdout]    --> src/json_parser.rs:263:4
[INFO] [stdout]     |
[INFO] [stdout] 263 | fn none_of(s: &'static str) -> SatisfyParser {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hexu`
[INFO] [stdout]    --> src/json_parser.rs:305:4
[INFO] [stdout]     |
[INFO] [stdout] 305 | fn hexu() -> impl Parser<char> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]    --> src/json_parser.rs:554:8
[INFO] [stdout]     |
[INFO] [stdout] 554 | pub fn test() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/json_parser.rs:555:9
[INFO] [stdout]     |
[INFO] [stdout] 555 |     let input: Input = "";
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExpectedEof`
[INFO] [stdout]  --> src/json_parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ExpectedEof(Input),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `space_1`
[INFO] [stdout]    --> src/json_parser.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn space_1() -> List1Parser<char> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lower`
[INFO] [stdout]    --> src/json_parser.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn lower() -> SatisfyParser {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `upper`
[INFO] [stdout]    --> src/json_parser.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn upper() -> SatisfyParser {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `alpha`
[INFO] [stdout]    --> src/json_parser.rs:200:4
[INFO] [stdout]     |
[INFO] [stdout] 200 | fn alpha() -> SatisfyParser {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comma_tok`
[INFO] [stdout]    --> src/json_parser.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn comma_tok() -> Tok<char> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `quote`
[INFO] [stdout]    --> src/json_parser.rs:228:4
[INFO] [stdout]     |
[INFO] [stdout] 228 | fn quote() -> impl Parser<char> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `option`
[INFO] [stdout]    --> src/json_parser.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn option<A>(a: A, p: Box<dyn Parser<A>>) -> impl Parser<A> where A: Clone, A: 'static {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `digits1`
[INFO] [stdout]    --> src/json_parser.rs:255:4
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn digits1() -> List1Parser<char> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `one_of`
[INFO] [stdout]    --> src/json_parser.rs:259:4
[INFO] [stdout]     |
[INFO] [stdout] 259 | fn one_of(s: &'static str) -> SatisfyParser {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `none_of`
[INFO] [stdout]    --> src/json_parser.rs:263:4
[INFO] [stdout]     |
[INFO] [stdout] 263 | fn none_of(s: &'static str) -> SatisfyParser {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hexu`
[INFO] [stdout]    --> src/json_parser.rs:305:4
[INFO] [stdout]     |
[INFO] [stdout] 305 | fn hexu() -> impl Parser<char> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]    --> src/json_parser.rs:554:8
[INFO] [stdout]     |
[INFO] [stdout] 554 | pub fn test() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "d87ce4ca6b461fba30ad800e1c0cc9158214031dc780e23deb2bac2af2d4b70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87ce4ca6b461fba30ad800e1c0cc9158214031dc780e23deb2bac2af2d4b70f", kill_on_drop: false }`
[INFO] [stdout] d87ce4ca6b461fba30ad800e1c0cc9158214031dc780e23deb2bac2af2d4b70f