[INFO] cloning repository https://github.com/EddieTheEd/demeter-data
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EddieTheEd/demeter-data" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEddieTheEd%2Fdemeter-data", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEddieTheEd%2Fdemeter-data'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0fbdf9f0e857f67acc0951bf3d48d2997965496
[INFO] testing EddieTheEd/demeter-data against beta-2026-04-21 for beta-1.96-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEddieTheEd%2Fdemeter-data" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/EddieTheEd/demeter-data
[INFO] finished tweaking git repo https://github.com/EddieTheEd/demeter-data
[INFO] tweaked toml for git repo https://github.com/EddieTheEd/demeter-data written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EddieTheEd/demeter-data on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EddieTheEd/demeter-data 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" "+beta-2026-04-21" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa4aae25643cfc4317b03af37332d13e86e25e71b667c9027f5068d1d0889435
[INFO] running `Command { std: "docker" "start" "-a" "aa4aae25643cfc4317b03af37332d13e86e25e71b667c9027f5068d1d0889435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa4aae25643cfc4317b03af37332d13e86e25e71b667c9027f5068d1d0889435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4aae25643cfc4317b03af37332d13e86e25e71b667c9027f5068d1d0889435", kill_on_drop: false }`
[INFO] [stdout] aa4aae25643cfc4317b03af37332d13e86e25e71b667c9027f5068d1d0889435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 490bf2a17edbd6f9283fc23c054aa3bb8a621dc4f137603dbd2a11df4320a290
[INFO] running `Command { std: "docker" "start" "-a" "490bf2a17edbd6f9283fc23c054aa3bb8a621dc4f137603dbd2a11df4320a290", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling demeter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `print_file_structure` is never used
[INFO] [stdout]   --> src/main.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn print_file_structure(node: &FileNode, depth: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_main_to_output` is never used
[INFO] [stdout]   --> src/main.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn copy_main_to_output(path: &str) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_folder` is never used
[INFO] [stdout]   --> src/main.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn copy_folder(src: &str) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_folder_recursive` is never used
[INFO] [stdout]    --> src/main.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn copy_folder_recursive(src: &std::path::Path, dest: &std::path::Path) -> io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "490bf2a17edbd6f9283fc23c054aa3bb8a621dc4f137603dbd2a11df4320a290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490bf2a17edbd6f9283fc23c054aa3bb8a621dc4f137603dbd2a11df4320a290", kill_on_drop: false }`
[INFO] [stdout] 490bf2a17edbd6f9283fc23c054aa3bb8a621dc4f137603dbd2a11df4320a290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc0dfcc209a7a40437c6485c226eb59fcf4d0ecf1ada82630050514983a139c5
[INFO] running `Command { std: "docker" "start" "-a" "bc0dfcc209a7a40437c6485c226eb59fcf4d0ecf1ada82630050514983a139c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling demeter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `print_file_structure` is never used
[INFO] [stdout]   --> src/main.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn print_file_structure(node: &FileNode, depth: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_main_to_output` is never used
[INFO] [stdout]   --> src/main.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn copy_main_to_output(path: &str) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_folder` is never used
[INFO] [stdout]   --> src/main.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn copy_folder(src: &str) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `copy_folder_recursive` is never used
[INFO] [stdout]    --> src/main.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn copy_folder_recursive(src: &std::path::Path, dest: &std::path::Path) -> io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "bc0dfcc209a7a40437c6485c226eb59fcf4d0ecf1ada82630050514983a139c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0dfcc209a7a40437c6485c226eb59fcf4d0ecf1ada82630050514983a139c5", kill_on_drop: false }`
[INFO] [stdout] bc0dfcc209a7a40437c6485c226eb59fcf4d0ecf1ada82630050514983a139c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28f89b8a2845ac39e1867dfb1b7a30ee8991828ef7f2d3a0ca1664063e4fdbf5
[INFO] running `Command { std: "docker" "start" "-a" "28f89b8a2845ac39e1867dfb1b7a30ee8991828ef7f2d3a0ca1664063e4fdbf5", kill_on_drop: false }`
[INFO] [stderr] warning: function `print_file_structure` is never used
[INFO] [stderr]   --> src/main.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn print_file_structure(node: &FileNode, depth: usize) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `copy_main_to_output` is never used
[INFO] [stderr]   --> src/main.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn copy_main_to_output(path: &str) -> io::Result<()> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `copy_folder` is never used
[INFO] [stderr]   --> src/main.rs:95:4
[INFO] [stderr]    |
[INFO] [stderr] 95 | fn copy_folder(src: &str) -> io::Result<()> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `copy_folder_recursive` is never used
[INFO] [stderr]    --> src/main.rs:123:4
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn copy_folder_recursive(src: &std::path::Path, dest: &std::path::Path) -> io::Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `demeter` (bin "demeter" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/demeter-543e2d28e10467ab)
[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" "28f89b8a2845ac39e1867dfb1b7a30ee8991828ef7f2d3a0ca1664063e4fdbf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f89b8a2845ac39e1867dfb1b7a30ee8991828ef7f2d3a0ca1664063e4fdbf5", kill_on_drop: false }`
[INFO] [stdout] 28f89b8a2845ac39e1867dfb1b7a30ee8991828ef7f2d3a0ca1664063e4fdbf5