[INFO] cloning repository https://github.com/Yuta1004/json_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yuta1004/json_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuta1004%2Fjson_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuta1004%2Fjson_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4aa0d82f276d8fcf9953e714cf170b4c6c388aa
[INFO] testing Yuta1004/json_parser against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuta1004%2Fjson_parser" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yuta1004/json_parser on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yuta1004/json_parser
[INFO] finished tweaking git repo https://github.com/Yuta1004/json_parser
[INFO] tweaked toml for git repo https://github.com/Yuta1004/json_parser written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/Yuta1004/json_parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a71f2e782b7abf9cb9d92671fe6341a3d568c1fc19941e8464cfe550223ce1d1
[INFO] running `Command { std: "docker" "start" "-a" "a71f2e782b7abf9cb9d92671fe6341a3d568c1fc19941e8464cfe550223ce1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a71f2e782b7abf9cb9d92671fe6341a3d568c1fc19941e8464cfe550223ce1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a71f2e782b7abf9cb9d92671fe6341a3d568c1fc19941e8464cfe550223ce1d1", kill_on_drop: false }`
[INFO] [stdout] a71f2e782b7abf9cb9d92671fe6341a3d568c1fc19941e8464cfe550223ce1d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4019c840e0666f959d8011fb5ec18e3d4aabcced68d7636ba6e08431ce2eed0d
[INFO] running `Command { std: "docker" "start" "-a" "4019c840e0666f959d8011fb5ec18e3d4aabcced68d7636ba6e08431ce2eed0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling json_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Value`
[INFO] [stdout]  --> src/parser/mtype/value.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Value {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_num`
[INFO] [stdout]  --> src/parser/mtype/value.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new_num(val: i32) -> Value {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_bool`
[INFO] [stdout]   --> src/parser/mtype/value.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new_bool(val: bool) -> Value {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_str`
[INFO] [stdout]   --> src/parser/mtype/value.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new_str(val: impl Into<String>) -> Value {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Array`
[INFO] [stdout]  --> src/parser/mtype/array.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Array {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/parser/mtype/array.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new() -> Array {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/parser/mtype/array.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn push(self: &mut Array, val: Value) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/parser/mtype/array.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn len(self: &Array) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "4019c840e0666f959d8011fb5ec18e3d4aabcced68d7636ba6e08431ce2eed0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4019c840e0666f959d8011fb5ec18e3d4aabcced68d7636ba6e08431ce2eed0d", kill_on_drop: false }`
[INFO] [stdout] 4019c840e0666f959d8011fb5ec18e3d4aabcced68d7636ba6e08431ce2eed0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99b9b95ea385740139e4d4b98009bfd25440f2916c59b7ce6302b082bdc07bca
[INFO] running `Command { std: "docker" "start" "-a" "99b9b95ea385740139e4d4b98009bfd25440f2916c59b7ce6302b082bdc07bca", kill_on_drop: false }`
[INFO] [stdout] warning: enum is never used: `Value`
[INFO] [stdout]  --> src/parser/mtype/value.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Value {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling json_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new_num`
[INFO] [stdout]  --> src/parser/mtype/value.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new_num(val: i32) -> Value {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_bool`
[INFO] [stdout]   --> src/parser/mtype/value.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new_bool(val: bool) -> Value {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_str`
[INFO] [stdout]   --> src/parser/mtype/value.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new_str(val: impl Into<String>) -> Value {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Array`
[INFO] [stdout]  --> src/parser/mtype/array.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Array {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/parser/mtype/array.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new() -> Array {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/parser/mtype/array.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn push(self: &mut Array, val: Value) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/parser/mtype/array.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn len(self: &Array) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "99b9b95ea385740139e4d4b98009bfd25440f2916c59b7ce6302b082bdc07bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b9b95ea385740139e4d4b98009bfd25440f2916c59b7ce6302b082bdc07bca", kill_on_drop: false }`
[INFO] [stdout] 99b9b95ea385740139e4d4b98009bfd25440f2916c59b7ce6302b082bdc07bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4be6e10aca22412f581e8a7e1572fba28c36d34c2efcdcee358992c0e0f2dd1f
[INFO] running `Command { std: "docker" "start" "-a" "4be6e10aca22412f581e8a7e1572fba28c36d34c2efcdcee358992c0e0f2dd1f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: enum is never used: `Value`
[INFO] [stderr]  --> src/parser/mtype/value.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Value {
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_num`
[INFO] [stderr]  --> src/parser/mtype/value.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new_num(val: i32) -> Value {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_bool`
[INFO] [stderr]   --> src/parser/mtype/value.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new_bool(val: bool) -> Value {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_str`
[INFO] [stderr]   --> src/parser/mtype/value.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new_str(val: impl Into<String>) -> Value {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Array`
[INFO] [stderr]  --> src/parser/mtype/array.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Array {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/parser/mtype/array.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn new() -> Array {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push`
[INFO] [stderr]   --> src/parser/mtype/array.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn push(self: &mut Array, val: Value) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/parser/mtype/array.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn len(self: &Array) -> usize {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `json_parser` (lib) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_parser-2237203411a055ef)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::mtype::array::test_array ... ok
[INFO] [stdout] test parser::mtype::value::test_value_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_parser-9b60fa869e27d9bb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_parser
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4be6e10aca22412f581e8a7e1572fba28c36d34c2efcdcee358992c0e0f2dd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be6e10aca22412f581e8a7e1572fba28c36d34c2efcdcee358992c0e0f2dd1f", kill_on_drop: false }`
[INFO] [stdout] 4be6e10aca22412f581e8a7e1572fba28c36d34c2efcdcee358992c0e0f2dd1f