[INFO] cloning repository https://github.com/Baseng0815/graph-visualization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Baseng0815/graph-visualization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaseng0815%2Fgraph-visualization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaseng0815%2Fgraph-visualization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ddf30442233c1ddeedae0079e60e333c79e9798
[INFO] building Baseng0815/graph-visualization against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaseng0815%2Fgraph-visualization" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Baseng0815/graph-visualization on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Baseng0815/graph-visualization
[INFO] finished tweaking git repo https://github.com/Baseng0815/graph-visualization
[INFO] tweaked toml for git repo https://github.com/Baseng0815/graph-visualization written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Baseng0815/graph-visualization 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17a786ec2d12ca108cfe42991f52c0d3c9fd403c03d4751a46e81a870acb1df0
[INFO] running `Command { std: "docker" "start" "-a" "17a786ec2d12ca108cfe42991f52c0d3c9fd403c03d4751a46e81a870acb1df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17a786ec2d12ca108cfe42991f52c0d3c9fd403c03d4751a46e81a870acb1df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a786ec2d12ca108cfe42991f52c0d3c9fd403c03d4751a46e81a870acb1df0", kill_on_drop: false }`
[INFO] [stdout] 17a786ec2d12ca108cfe42991f52c0d3c9fd403c03d4751a46e81a870acb1df0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 667546b7c6d49f31d7e5a0ca3910b5385b6ef2b760b79cb581107dc9abf29b17
[INFO] running `Command { std: "docker" "start" "-a" "667546b7c6d49f31d7e5a0ca3910b5385b6ef2b760b79cb581107dc9abf29b17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling graph-visualization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/binary_tree.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | / impl<T> BinaryTree<T>
[INFO] [stdout] 56 | | where Standard: Distribution<T> {
[INFO] [stdout]    | |_______________________________- associated function in this implementation
[INFO] [stdout] 57 |       pub fn new() -> BinaryTree<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 4.50s
[INFO] running `Command { std: "docker" "inspect" "667546b7c6d49f31d7e5a0ca3910b5385b6ef2b760b79cb581107dc9abf29b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667546b7c6d49f31d7e5a0ca3910b5385b6ef2b760b79cb581107dc9abf29b17", kill_on_drop: false }`
[INFO] [stdout] 667546b7c6d49f31d7e5a0ca3910b5385b6ef2b760b79cb581107dc9abf29b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d897052f8fdd0ccaa1f2696d726168b692cc647a0bf382d22824104e94033181
[INFO] running `Command { std: "docker" "start" "-a" "d897052f8fdd0ccaa1f2696d726168b692cc647a0bf382d22824104e94033181", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph-visualization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/binary_tree.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | / impl<T> BinaryTree<T>
[INFO] [stdout] 56 | | where Standard: Distribution<T> {
[INFO] [stdout]    | |_______________________________- associated function in this implementation
[INFO] [stdout] 57 |       pub fn new() -> BinaryTree<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 0.40s
[INFO] running `Command { std: "docker" "inspect" "d897052f8fdd0ccaa1f2696d726168b692cc647a0bf382d22824104e94033181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d897052f8fdd0ccaa1f2696d726168b692cc647a0bf382d22824104e94033181", kill_on_drop: false }`
[INFO] [stdout] d897052f8fdd0ccaa1f2696d726168b692cc647a0bf382d22824104e94033181
