[INFO] cloning repository https://github.com/matheusgmc/binary-tree-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matheusgmc/binary-tree-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatheusgmc%2Fbinary-tree-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatheusgmc%2Fbinary-tree-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cb28d7e59e4594095521ca7ac3caa94a48b9dac
[INFO] testing matheusgmc/binary-tree-rust against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatheusgmc%2Fbinary-tree-rust" "/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/matheusgmc/binary-tree-rust
[INFO] finished tweaking git repo https://github.com/matheusgmc/binary-tree-rust
[INFO] tweaked toml for git repo https://github.com/matheusgmc/binary-tree-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matheusgmc/binary-tree-rust on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matheusgmc/binary-tree-rust 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "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-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" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6eb62c43af72cd341493cac12f38b4000ef1fee030c6cf8fcdf19dda59cca01
[INFO] running `Command { std: "docker" "start" "-a" "b6eb62c43af72cd341493cac12f38b4000ef1fee030c6cf8fcdf19dda59cca01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6eb62c43af72cd341493cac12f38b4000ef1fee030c6cf8fcdf19dda59cca01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6eb62c43af72cd341493cac12f38b4000ef1fee030c6cf8fcdf19dda59cca01", kill_on_drop: false }`
[INFO] [stdout] b6eb62c43af72cd341493cac12f38b4000ef1fee030c6cf8fcdf19dda59cca01
[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" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 869b5507af16a36d97ad8866e42db50e42df73f7a3c3de112fba234ab8332e54
[INFO] running `Command { std: "docker" "start" "-a" "869b5507af16a36d97ad8866e42db50e42df73f7a3c3de112fba234ab8332e54", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `inorder_traversal` is never used
[INFO] [stdout]   --> src/main.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl BinaryTree {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 80 |     fn inorder_traversal(&self, root: &Option<Box<Node>>) {
[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" "869b5507af16a36d97ad8866e42db50e42df73f7a3c3de112fba234ab8332e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869b5507af16a36d97ad8866e42db50e42df73f7a3c3de112fba234ab8332e54", kill_on_drop: false }`
[INFO] [stdout] 869b5507af16a36d97ad8866e42db50e42df73f7a3c3de112fba234ab8332e54
[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" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3c2b8b7212d5c1b684e3480ae88cadc4d85709e42fb92bbfb10bcb4b9b9da1b
[INFO] running `Command { std: "docker" "start" "-a" "e3c2b8b7212d5c1b684e3480ae88cadc4d85709e42fb92bbfb10bcb4b9b9da1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/binary_tree_rust-af5e371ef7f7599c/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "e3c2b8b7212d5c1b684e3480ae88cadc4d85709e42fb92bbfb10bcb4b9b9da1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c2b8b7212d5c1b684e3480ae88cadc4d85709e42fb92bbfb10bcb4b9b9da1b", kill_on_drop: false }`
[INFO] [stdout] e3c2b8b7212d5c1b684e3480ae88cadc4d85709e42fb92bbfb10bcb4b9b9da1b