[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmarcoCalipari%2Frust-bootcamp/branches/: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[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] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-commit.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmarcoCalipari%2Frust-bootcamp/hooks/pre-commit.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[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] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/fsmonitor-watchman.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmarcoCalipari%2Frust-bootcamp/hooks/fsmonitor-watchman.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmarcoCalipari%2Frust-bootcamp: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmarcoCalipari%2Frust-bootcamp: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[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#85c39893a761fe4c050523278da4e7e45ab42b6e for pr-134688
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmarcoCalipari%2Frust-bootcamp" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcoCalipari/rust-bootcamp on toolchain 85c39893a761fe4c050523278da4e7e45ab42b6e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "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-4-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" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fcb65c8ebf1dd565fe650dccb913bd8f5ebd05c32839ec820c81bfa643d19cc
[INFO] running `Command { std: "docker" "start" "-a" "2fcb65c8ebf1dd565fe650dccb913bd8f5ebd05c32839ec820c81bfa643d19cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fcb65c8ebf1dd565fe650dccb913bd8f5ebd05c32839ec820c81bfa643d19cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fcb65c8ebf1dd565fe650dccb913bd8f5ebd05c32839ec820c81bfa643d19cc", kill_on_drop: false }`
[INFO] [stdout] 2fcb65c8ebf1dd565fe650dccb913bd8f5ebd05c32839ec820c81bfa643d19cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa6797d46637d9133542d795490755ff4a3529d5bff46379c41f9036b483f5b9
[INFO] running `Command { std: "docker" "start" "-a" "aa6797d46637d9133542d795490755ff4a3529d5bff46379c41f9036b483f5b9", 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 0.04s
[INFO] running `Command { std: "docker" "inspect" "aa6797d46637d9133542d795490755ff4a3529d5bff46379c41f9036b483f5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6797d46637d9133542d795490755ff4a3529d5bff46379c41f9036b483f5b9", kill_on_drop: false }`
[INFO] [stdout] aa6797d46637d9133542d795490755ff4a3529d5bff46379c41f9036b483f5b9