[INFO] cloning repository https://github.com/marcoCalipari/rust-bootcamp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcoCalipari/rust-bootcamp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmarcoCalipari%2Frust-bootcamp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmarcoCalipari%2Frust-bootcamp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7ffd884adc6c8eab5fb08e20df5a5065f944e9d
[INFO] checking marcoCalipari/rust-bootcamp against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134276
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmarcoCalipari%2Frust-bootcamp" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcoCalipari/rust-bootcamp on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marcoCalipari/rust-bootcamp
[INFO] finished tweaking git repo https://github.com/marcoCalipari/rust-bootcamp
[INFO] tweaked toml for git repo https://github.com/marcoCalipari/rust-bootcamp written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marcoCalipari/rust-bootcamp 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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 740f4ad84ef135c61ba8a24885eb135aad89ee6e3ea8442bd187dc2a0acec0f0
[INFO] running `Command { std: "docker" "start" "-a" "740f4ad84ef135c61ba8a24885eb135aad89ee6e3ea8442bd187dc2a0acec0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "740f4ad84ef135c61ba8a24885eb135aad89ee6e3ea8442bd187dc2a0acec0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740f4ad84ef135c61ba8a24885eb135aad89ee6e3ea8442bd187dc2a0acec0f0", kill_on_drop: false }`
[INFO] [stdout] 740f4ad84ef135c61ba8a24885eb135aad89ee6e3ea8442bd187dc2a0acec0f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24d87190a005ef8fce3ea192e28d843fe94816347a69229e8ee2d457733cbf52
[INFO] running `Command { std: "docker" "start" "-a" "24d87190a005ef8fce3ea192e28d843fe94816347a69229e8ee2d457733cbf52", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-bootcamp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `value`, `left`, and `right` are never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Node {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 10 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     left: Option<Box<Node>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     right: Option<Box<Node>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct BinaryTree {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 16 |     root: Option<Box<Node>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_value` is never used
[INFO] [stdout]   --> src/main.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get_value(&mut self) -> i32{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value`, `left`, and `right` are never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Node {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 10 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     left: Option<Box<Node>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     right: Option<Box<Node>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct BinaryTree {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 16 |     root: Option<Box<Node>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_value` is never used
[INFO] [stdout]   --> src/main.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get_value(&mut self) -> i32{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "24d87190a005ef8fce3ea192e28d843fe94816347a69229e8ee2d457733cbf52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d87190a005ef8fce3ea192e28d843fe94816347a69229e8ee2d457733cbf52", kill_on_drop: false }`
[INFO] [stdout] 24d87190a005ef8fce3ea192e28d843fe94816347a69229e8ee2d457733cbf52