[INFO] cloning repository https://github.com/AldieNightStar/rust_sample_nodes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AldieNightStar/rust_sample_nodes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAldieNightStar%2Frust_sample_nodes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAldieNightStar%2Frust_sample_nodes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d604c56de8f5117b00283df1cb884957832ead0
[INFO] checking AldieNightStar/rust_sample_nodes against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAldieNightStar%2Frust_sample_nodes" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AldieNightStar/rust_sample_nodes
[INFO] finished tweaking git repo https://github.com/AldieNightStar/rust_sample_nodes
[INFO] tweaked toml for git repo https://github.com/AldieNightStar/rust_sample_nodes written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AldieNightStar/rust_sample_nodes on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AldieNightStar/rust_sample_nodes 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2d9b1ead433c00d7f0b1d5f1da552e70b5369f76ab2eb30882e3cdf707a7826
[INFO] running `Command { std: "docker" "start" "-a" "d2d9b1ead433c00d7f0b1d5f1da552e70b5369f76ab2eb30882e3cdf707a7826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d9b1ead433c00d7f0b1d5f1da552e70b5369f76ab2eb30882e3cdf707a7826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d9b1ead433c00d7f0b1d5f1da552e70b5369f76ab2eb30882e3cdf707a7826", kill_on_drop: false }`
[INFO] [stdout] d2d9b1ead433c00d7f0b1d5f1da552e70b5369f76ab2eb30882e3cdf707a7826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32acdf426daac9af68e278463c60baca5241fa83594156fe6b8e8b0157e46bea
[INFO] running `Command { std: "docker" "start" "-a" "32acdf426daac9af68e278463c60baca5241fa83594156fe6b8e8b0157e46bea", kill_on_drop: false }`
[INFO] [stderr]     Checking xxx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]   --> src/nodes.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn next(&self) -> Option<&Node<T>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]   --> src/nodes.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn next(&self) -> Option<&Node<T>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "32acdf426daac9af68e278463c60baca5241fa83594156fe6b8e8b0157e46bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32acdf426daac9af68e278463c60baca5241fa83594156fe6b8e8b0157e46bea", kill_on_drop: false }`
[INFO] [stdout] 32acdf426daac9af68e278463c60baca5241fa83594156fe6b8e8b0157e46bea
