[INFO] cloning repository https://github.com/DanWhitney/nom_investigation2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanWhitney/nom_investigation2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanWhitney%2Fnom_investigation2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanWhitney%2Fnom_investigation2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3360ab0d335607e7e40a790f01e20487f21010cd
[INFO] checking DanWhitney/nom_investigation2 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanWhitney%2Fnom_investigation2" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DanWhitney/nom_investigation2
[INFO] finished tweaking git repo https://github.com/DanWhitney/nom_investigation2
[INFO] tweaked toml for git repo https://github.com/DanWhitney/nom_investigation2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DanWhitney/nom_investigation2 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DanWhitney/nom_investigation2 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xmltree v0.10.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b336a95925593b64791bc662c1f161ac85fc40b155f12e1eddecf048fb82602
[INFO] running `Command { std: "docker" "start" "-a" "4b336a95925593b64791bc662c1f161ac85fc40b155f12e1eddecf048fb82602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b336a95925593b64791bc662c1f161ac85fc40b155f12e1eddecf048fb82602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b336a95925593b64791bc662c1f161ac85fc40b155f12e1eddecf048fb82602", kill_on_drop: false }`
[INFO] [stdout] 4b336a95925593b64791bc662c1f161ac85fc40b155f12e1eddecf048fb82602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a4f0aa4ee2e17ee4ebf4b5de316948b9cbb883656ce615d6aa04ca4b2de267d
[INFO] running `Command { std: "docker" "start" "-a" "3a4f0aa4ee2e17ee4ebf4b5de316948b9cbb883656ce615d6aa04ca4b2de267d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking nom_investigation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `alpha1` and `digit1`
[INFO] [stdout]  --> examples/choice_permutation_combinator.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nom::character::complete::{alpha1, digit1};
[INFO] [stdout]   |                                ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventReader` and `XmlEvent`
[INFO] [stdout]  --> examples/xml.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use xml::reader::{EventReader, XmlEvent};
[INFO] [stdout]   |                   ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> examples/xml_element_combinator.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `xml_element_combinator`
[INFO] [stdout]   --> examples/xml_element_combinator.rs:17:2
[INFO] [stdout]    |
[INFO] [stdout] 17 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/xml_element_combinator.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nom_investigation` (example "xml_element_combinator") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/xml.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut g = names_element
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `indent` is never used
[INFO] [stdout]  --> examples/xml.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn indent(size: usize) -> String {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XmlElement` is never constructed
[INFO] [stdout]   --> examples/xml.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct XmlElement {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> examples/xml.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 | ...                   if x_start >= 0 && x_end > x_start {
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> examples/xml.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 | ...                   if y_start >= 0 && y_end > y_start {
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/xml.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         names_element.write(write_file_buffer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let _ = names_element.write(write_file_buffer);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a4f0aa4ee2e17ee4ebf4b5de316948b9cbb883656ce615d6aa04ca4b2de267d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a4f0aa4ee2e17ee4ebf4b5de316948b9cbb883656ce615d6aa04ca4b2de267d", kill_on_drop: false }`
[INFO] [stdout] 3a4f0aa4ee2e17ee4ebf4b5de316948b9cbb883656ce615d6aa04ca4b2de267d
