[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] testing AldieNightStar/rust_sample_nodes against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAldieNightStar%2Frust_sample_nodes" "/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/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AldieNightStar/rust_sample_nodes on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ab6bc8985f5782893af019d54c9cea54ad7472de7591c1ad36d71f415d65be8
[INFO] running `Command { std: "docker" "start" "-a" "4ab6bc8985f5782893af019d54c9cea54ad7472de7591c1ad36d71f415d65be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ab6bc8985f5782893af019d54c9cea54ad7472de7591c1ad36d71f415d65be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab6bc8985f5782893af019d54c9cea54ad7472de7591c1ad36d71f415d65be8", kill_on_drop: false }`
[INFO] [stdout] 4ab6bc8985f5782893af019d54c9cea54ad7472de7591c1ad36d71f415d65be8
[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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc79a39d0bcf2a6280cd4e7c682df44e032baa6a9b6f7b5f75663fc080be1e0a
[INFO] running `Command { std: "docker" "start" "-a" "dc79a39d0bcf2a6280cd4e7c682df44e032baa6a9b6f7b5f75663fc080be1e0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "dc79a39d0bcf2a6280cd4e7c682df44e032baa6a9b6f7b5f75663fc080be1e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc79a39d0bcf2a6280cd4e7c682df44e032baa6a9b6f7b5f75663fc080be1e0a", kill_on_drop: false }`
[INFO] [stdout] dc79a39d0bcf2a6280cd4e7c682df44e032baa6a9b6f7b5f75663fc080be1e0a
[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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c6c87a9251f616d8714778a02f2cdbd760f6b619589dade248c7ee05511ff55
[INFO] running `Command { std: "docker" "start" "-a" "3c6c87a9251f616d8714778a02f2cdbd760f6b619589dade248c7ee05511ff55", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "3c6c87a9251f616d8714778a02f2cdbd760f6b619589dade248c7ee05511ff55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6c87a9251f616d8714778a02f2cdbd760f6b619589dade248c7ee05511ff55", kill_on_drop: false }`
[INFO] [stdout] 3c6c87a9251f616d8714778a02f2cdbd760f6b619589dade248c7ee05511ff55
[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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4ae905be63270375d826d2da21c5b0298e8851a65140f96933b40b46aac277d
[INFO] running `Command { std: "docker" "start" "-a" "b4ae905be63270375d826d2da21c5b0298e8851a65140f96933b40b46aac277d", kill_on_drop: false }`
[INFO] [stderr] warning: method `next` is never used
[INFO] [stderr]   --> src/nodes.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 9  | impl<T> Node<T> {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn next(&self) -> Option<&Node<T>> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `xxx` (bin "xxx" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/xxx-21135f8a79411a95)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4ae905be63270375d826d2da21c5b0298e8851a65140f96933b40b46aac277d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ae905be63270375d826d2da21c5b0298e8851a65140f96933b40b46aac277d", kill_on_drop: false }`
[INFO] [stdout] b4ae905be63270375d826d2da21c5b0298e8851a65140f96933b40b46aac277d
