[INFO] cloning repository https://github.com/smbroadley/prsr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smbroadley/prsr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmbroadley%2Fprsr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmbroadley%2Fprsr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c2769e716f68eed02dfaff6caa0164f77a49520
[INFO] testing smbroadley/prsr against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmbroadley%2Fprsr" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/smbroadley/prsr
[INFO] finished tweaking git repo https://github.com/smbroadley/prsr
[INFO] tweaked toml for git repo https://github.com/smbroadley/prsr written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/smbroadley/prsr on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/smbroadley/prsr 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing smbroadley/prsr against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmbroadley%2Fprsr" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/smbroadley/prsr
[INFO] finished tweaking git repo https://github.com/smbroadley/prsr
[INFO] tweaked toml for git repo https://github.com/smbroadley/prsr written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/smbroadley/prsr on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/smbroadley/prsr 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff4b04553942224eb4f70edc505c225113a754a8c68c2199089b06f30a0660c8
[INFO] running `Command { std: "docker" "start" "-a" "ff4b04553942224eb4f70edc505c225113a754a8c68c2199089b06f30a0660c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff4b04553942224eb4f70edc505c225113a754a8c68c2199089b06f30a0660c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4b04553942224eb4f70edc505c225113a754a8c68c2199089b06f30a0660c8", kill_on_drop: false }`
[INFO] [stdout] ff4b04553942224eb4f70edc505c225113a754a8c68c2199089b06f30a0660c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37c8f0d8af2d5e840bd4f29106aabbd67c78dd7b76baeb53c57f39197086c4f9
[INFO] running `Command { std: "docker" "start" "-a" "37c8f0d8af2d5e840bd4f29106aabbd67c78dd7b76baeb53c57f39197086c4f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling prsr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::parsers::xml::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::parsers::xml::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `and_then`, `box_and_then`, and `or` are never used
[INFO] [stdout]   --> src/core/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait Parser<'a, Output> {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn and_then<F, NextParser, NewOutput>(self, f: F) -> impl Parser<'a, NewOutput>
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn box_and_then<F, NextParser, NewOutput>(self, f: F) -> BoxedParser<'a, NewOutput>
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn or<NextParser>(self, parser: NextParser) -> impl Parser<'a, Output>
[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 `space1` is never used
[INFO] [stdout]    --> src/core/mod.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn space1<'a>() -> impl Parser<'a, Vec<char>> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `and_then` is never used
[INFO] [stdout]    --> src/core/mod.rs:283:8
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub fn and_then<'a, P, F, A, B, NextP>(parser: P, f: F) -> impl Parser<'a, B>
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parsers/json.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Object {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_str` and `as_str` are never used
[INFO] [stdout]   --> src/parsers/json.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Value {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 42 |     fn from_str(val: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn as_str(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]  --> src/parsers/xml.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Element {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `identifier` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn identifier(input: &str) -> ParseResult<String> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attribute_pair` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn attribute_pair<'a>() -> impl Parser<'a, (String, String)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attributes` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn attributes<'a>() -> impl Parser<'a, Vec<(String, String)>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `element_start` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn element_start<'a>() -> impl Parser<'a, (String, Vec<(String, String)>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_element` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn single_element<'a>() -> impl Parser<'a, Element> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_element` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn open_element<'a>() -> impl Parser<'a, Element> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `close_element` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn close_element<'a>(expected_name: String) -> impl Parser<'a, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parent_element` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn parent_element<'a>() -> impl Parser<'a, Element> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `element` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn element<'a>() -> impl Parser<'a, Element> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_xml` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn parse_xml<'a>(doc: &str) -> Result<Element, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/mod.rs:238:24
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub fn any_char(input: &str) -> ParseResult<char> {
[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] 238 | pub fn any_char(input: &str) -> ParseResult<'_, char> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parsers/xml.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn identifier(input: &str) -> ParseResult<String> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn identifier(input: &str) -> ParseResult<'_, String> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "37c8f0d8af2d5e840bd4f29106aabbd67c78dd7b76baeb53c57f39197086c4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c8f0d8af2d5e840bd4f29106aabbd67c78dd7b76baeb53c57f39197086c4f9", kill_on_drop: false }`
[INFO] [stdout] 37c8f0d8af2d5e840bd4f29106aabbd67c78dd7b76baeb53c57f39197086c4f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81e44e9364595ae5d3d68037f08669e680f96af4cc736e933b79d6acadbf0294
[INFO] running `Command { std: "docker" "start" "-a" "81e44e9364595ae5d3d68037f08669e680f96af4cc736e933b79d6acadbf0294", kill_on_drop: false }`
[INFO] [stderr]    Compiling prsr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::parsers::xml::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::parsers::xml::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `and_then`, `box_and_then`, and `or` are never used
[INFO] [stdout]   --> src/core/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait Parser<'a, Output> {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn and_then<F, NextParser, NewOutput>(self, f: F) -> impl Parser<'a, NewOutput>
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn box_and_then<F, NextParser, NewOutput>(self, f: F) -> BoxedParser<'a, NewOutput>
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn or<NextParser>(self, parser: NextParser) -> impl Parser<'a, Output>
[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 `space1` is never used
[INFO] [stdout]    --> src/core/mod.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn space1<'a>() -> impl Parser<'a, Vec<char>> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `and_then` is never used
[INFO] [stdout]    --> src/core/mod.rs:283:8
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub fn and_then<'a, P, F, A, B, NextP>(parser: P, f: F) -> impl Parser<'a, B>
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parsers/json.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Object {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_element` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn open_element<'a>() -> impl Parser<'a, Element> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `close_element` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn close_element<'a>(expected_name: String) -> impl Parser<'a, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parent_element` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn parent_element<'a>() -> impl Parser<'a, Element> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `element` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn element<'a>() -> impl Parser<'a, Element> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_xml` is never used
[INFO] [stdout]   --> src/parsers/xml.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn parse_xml<'a>(doc: &str) -> Result<Element, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core/mod.rs:238:24
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub fn any_char(input: &str) -> ParseResult<char> {
[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] 238 | pub fn any_char(input: &str) -> ParseResult<'_, char> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parsers/xml.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn identifier(input: &str) -> ParseResult<String> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn identifier(input: &str) -> ParseResult<'_, String> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "81e44e9364595ae5d3d68037f08669e680f96af4cc736e933b79d6acadbf0294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e44e9364595ae5d3d68037f08669e680f96af4cc736e933b79d6acadbf0294", kill_on_drop: false }`
[INFO] [stdout] 81e44e9364595ae5d3d68037f08669e680f96af4cc736e933b79d6acadbf0294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06cb8101c392a1c03cf8bbd9d3bf48fe3e195de4afef5e29493745629c403d51
[INFO] running `Command { std: "docker" "start" "-a" "06cb8101c392a1c03cf8bbd9d3bf48fe3e195de4afef5e29493745629c403d51", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::parsers::xml::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::parsers::xml::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `and_then`, `box_and_then`, and `or` are never used
[INFO] [stderr]   --> src/core/mod.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr]  5 | pub trait Parser<'a, Output> {
[INFO] [stderr]    |           ------ methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 37 |     fn and_then<F, NextParser, NewOutput>(self, f: F) -> impl Parser<'a, NewOutput>
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     fn box_and_then<F, NextParser, NewOutput>(self, f: F) -> BoxedParser<'a, NewOutput>
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn or<NextParser>(self, parser: NextParser) -> impl Parser<'a, Output>
[INFO] [stderr]    |        ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `space1` is never used
[INFO] [stderr]    --> src/core/mod.rs:264:8
[INFO] [stderr]     |
[INFO] [stderr] 264 | pub fn space1<'a>() -> impl Parser<'a, Vec<char>> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `and_then` is never used
[INFO] [stderr]    --> src/core/mod.rs:283:8
[INFO] [stderr]     |
[INFO] [stderr] 283 | pub fn and_then<'a, P, F, A, B, NextP>(parser: P, f: F) -> impl Parser<'a, B>
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/parsers/json.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Object {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 11 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `open_element` is never used
[INFO] [stderr]   --> src/parsers/xml.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn open_element<'a>() -> impl Parser<'a, Element> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `close_element` is never used
[INFO] [stderr]   --> src/parsers/xml.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn close_element<'a>(expected_name: String) -> impl Parser<'a, String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parent_element` is never used
[INFO] [stderr]   --> src/parsers/xml.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn parent_element<'a>() -> impl Parser<'a, Element> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `element` is never used
[INFO] [stderr]   --> src/parsers/xml.rs:75:8
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn element<'a>() -> impl Parser<'a, Element> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_xml` is never used
[INFO] [stderr]   --> src/parsers/xml.rs:79:8
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub fn parse_xml<'a>(doc: &str) -> Result<Element, &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/core/mod.rs:238:24
[INFO] [stderr]     |
[INFO] [stderr] 238 | pub fn any_char(input: &str) -> ParseResult<char> {
[INFO] [stderr]     |                        ^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 238 | pub fn any_char(input: &str) -> ParseResult<'_, char> {
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/parsers/xml.rs:12:22
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn identifier(input: &str) -> ParseResult<String> {
[INFO] [stderr]    |                      ^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn identifier(input: &str) -> ParseResult<'_, String> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `prsr` (bin "prsr" test) generated 12 warnings (run `cargo fix --bin "prsr" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prsr-4b5880ad5c94badb)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test parsers::json::test_array ... ok
[INFO] [stdout] test parsers::json::test_object ... ok
[INFO] [stdout] test parsers::json::test_number ... ok
[INFO] [stdout] test parsers::json::test_bool ... ok
[INFO] [stdout] test parsers::xml::attribute_parser ... ok
[INFO] [stdout] test parsers::xml::single_element_parser ... ok
[INFO] [stdout] test parsers::json::test_string ... ok
[INFO] [stdout] test parsers::json::test_attribute ... ok
[INFO] [stdout] test core::test_sep ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06cb8101c392a1c03cf8bbd9d3bf48fe3e195de4afef5e29493745629c403d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06cb8101c392a1c03cf8bbd9d3bf48fe3e195de4afef5e29493745629c403d51", kill_on_drop: false }`
[INFO] [stdout] 06cb8101c392a1c03cf8bbd9d3bf48fe3e195de4afef5e29493745629c403d51