[INFO] cloning repository https://github.com/jhondev/rust-reusable-from-scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhondev/rust-reusable-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhondev%2Frust-reusable-from-scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhondev%2Frust-reusable-from-scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32aaab833718c0a07993963d316781d0ee2885dd
[INFO] checking jhondev/rust-reusable-from-scratch against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhondev%2Frust-reusable-from-scratch" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jhondev/rust-reusable-from-scratch on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jhondev/rust-reusable-from-scratch
[INFO] finished tweaking git repo https://github.com/jhondev/rust-reusable-from-scratch
[INFO] tweaked toml for git repo https://github.com/jhondev/rust-reusable-from-scratch written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jhondev/rust-reusable-from-scratch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80a865ecc25bb20ca2ba6318b408b552705aa6963fdbec22e89e444470ff5b3c
[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" "80a865ecc25bb20ca2ba6318b408b552705aa6963fdbec22e89e444470ff5b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80a865ecc25bb20ca2ba6318b408b552705aa6963fdbec22e89e444470ff5b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a865ecc25bb20ca2ba6318b408b552705aa6963fdbec22e89e444470ff5b3c", kill_on_drop: false }`
[INFO] [stdout] 80a865ecc25bb20ca2ba6318b408b552705aa6963fdbec22e89e444470ff5b3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a783eacf2b0557de8f6bd4465188af5c39a22f39ca2b58c254de4d8c433c764
[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" "1a783eacf2b0557de8f6bd4465188af5c39a22f39ca2b58c254de4d8c433c764", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rust-reusable-from-scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `MarkupState`
[INFO] [stdout]  --> src/markup_lang/markup_engine.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum MarkupState {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_char`
[INFO] [stdout]  --> src/markup_lang/markup_engine.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn eval_char(c: char, state: &MarkupState) -> (Option<char>, MarkupState) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_markup`
[INFO] [stdout]   --> src/markup_lang/markup_engine.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn parse_markup(markup_text: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_conversation`
[INFO] [stdout]   --> src/traits/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn init_conversation<T: Talker>(talker: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `give_turn`
[INFO] [stdout]   --> src/traits/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn give_turn() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "1a783eacf2b0557de8f6bd4465188af5c39a22f39ca2b58c254de4d8c433c764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a783eacf2b0557de8f6bd4465188af5c39a22f39ca2b58c254de4d8c433c764", kill_on_drop: false }`
[INFO] [stdout] 1a783eacf2b0557de8f6bd4465188af5c39a22f39ca2b58c254de4d8c433c764