[INFO] cloning repository https://github.com/catwithtudou/parser_toy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/catwithtudou/parser_toy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatwithtudou%2Fparser_toy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatwithtudou%2Fparser_toy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8136e13eb3c51899ff785c05f94eda3dba9457b9
[INFO] checking catwithtudou/parser_toy against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatwithtudou%2Fparser_toy" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/catwithtudou/parser_toy
[INFO] finished tweaking git repo https://github.com/catwithtudou/parser_toy
[INFO] tweaked toml for git repo https://github.com/catwithtudou/parser_toy written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/catwithtudou/parser_toy on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/catwithtudou/parser_toy 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_env_logger v0.5.0
[INFO] [stderr]   Downloaded pest_meta v2.7.6
[INFO] [stderr]   Downloaded pest v2.7.6
[INFO] [stderr]   Downloaded pest_generator v2.7.6
[INFO] [stderr]   Downloaded pest_derive v2.7.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8adda5c5467b00bb61f944213b72a443be8f8a0b0793c3e2abde661fa3516750
[INFO] running `Command { std: "docker" "start" "-a" "8adda5c5467b00bb61f944213b72a443be8f8a0b0793c3e2abde661fa3516750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8adda5c5467b00bb61f944213b72a443be8f8a0b0793c3e2abde661fa3516750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8adda5c5467b00bb61f944213b72a443be8f8a0b0793c3e2abde661fa3516750", kill_on_drop: false }`
[INFO] [stdout] 8adda5c5467b00bb61f944213b72a443be8f8a0b0793c3e2abde661fa3516750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 519bf89e896781eebd3e478e0c6bacd426923f6703e86e9a1f2b195e00a2b64a
[INFO] running `Command { std: "docker" "start" "-a" "519bf89e896781eebd3e478e0c6bacd426923f6703e86e9a1f2b195e00a2b64a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking pest v2.7.6
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling pest_meta v2.7.6
[INFO] [stderr]    Compiling pest_generator v2.7.6
[INFO] [stderr]    Compiling pest_derive v2.7.6
[INFO] [stderr]     Checking parser_toy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DemoParser` is never constructed
[INFO] [stdout]  --> src/pest/demo/parser_api.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct DemoParser;
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_alpha` is never used
[INFO] [stdout]  --> src/nom/demo/character_classes_demo.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn parse_alpha(input: &str) -> IResult<&str, &str> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_abc_or_def` is never used
[INFO] [stdout]  --> src/nom/demo/alt_demo.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_abc_or_def(input: &str) -> IResult<&str, &str> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_base` is never used
[INFO] [stdout]  --> src/nom/demo/composition_demo.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn parse_base(input: &str) -> IResult<&str, &str> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_pair` is never used
[INFO] [stdout]   --> src/nom/demo/composition_demo.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn parse_pair(input: &str) -> IResult<&str, (&str, &str)> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_bool` is never used
[INFO] [stdout]  --> src/nom/demo/value_demo.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn parse_bool(input: &str) -> IResult<&str, bool> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeat_parser` is never used
[INFO] [stdout]  --> src/nom/demo/repeat_parser.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn repeat_parser(s: &str) -> IResult<&str, Vec<&str>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DebugError` is never constructed
[INFO] [stdout]  --> src/nom/demo/debug_error.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct DebugError {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `whitespace` is never used
[INFO] [stdout]   --> src/nom/json/json.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn whitespace(i: &str) -> IResult<&str, &str> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string` is never used
[INFO] [stdout]   --> src/nom/json/json.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn string(i: &str) -> IResult<&str, &str> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_str` is never used
[INFO] [stdout]   --> src/nom/json/json.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn parse_str(i: &str) -> IResult<&str, &str> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normal` is never used
[INFO] [stdout]   --> src/nom/json/json.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn normal(i: &str) -> IResult<&str, &str> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `escapable` is never used
[INFO] [stdout]   --> src/nom/json/json.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn escapable(i: &str) -> IResult<&str, &str> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hex` is never used
[INFO] [stdout]   --> src/nom/json/json.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn hex(i: &str) -> IResult<&str, &str> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `boolean` is never used
[INFO] [stdout]   --> src/nom/json/json.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn boolean(i: &str) -> IResult<&str, bool> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `null` is never used
[INFO] [stdout]   --> src/nom/json/json.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn null(i: &str) -> IResult<&str, JsonValue> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `array` is never used
[INFO] [stdout]   --> src/nom/json/json.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn array(i: &str) -> IResult<&str, Vec<JsonValue>> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `key_value` is never used
[INFO] [stdout]    --> src/nom/json/json.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn key_value(i: &str) -> IResult<&str, (&str, JsonValue)> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `object` is never used
[INFO] [stdout]    --> src/nom/json/json.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn object(i: &str) -> IResult<&str, HashMap<String, JsonValue>> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `json_value` is never used
[INFO] [stdout]    --> src/nom/json/json.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn json_value(i: &str) -> IResult<&str, JsonValue> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `root` is never used
[INFO] [stdout]    --> src/nom/json/json.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn root(i: &str) -> IResult<&str, JsonValue> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pest/json/json.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn root(content: &str) -> Result<JsonValue, Error<Rule>> {
[INFO] [stdout]    |                      ^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn root(content: &str) -> Result<JsonValue<'_>, Error<Rule>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DebugError` is never constructed
[INFO] [stdout]  --> src/nom/demo/debug_error.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct DebugError {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pest/json/json.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn root(content: &str) -> Result<JsonValue, Error<Rule>> {
[INFO] [stdout]    |                      ^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn root(content: &str) -> Result<JsonValue<'_>, Error<Rule>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.32s
[INFO] running `Command { std: "docker" "inspect" "519bf89e896781eebd3e478e0c6bacd426923f6703e86e9a1f2b195e00a2b64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519bf89e896781eebd3e478e0c6bacd426923f6703e86e9a1f2b195e00a2b64a", kill_on_drop: false }`
[INFO] [stdout] 519bf89e896781eebd3e478e0c6bacd426923f6703e86e9a1f2b195e00a2b64a