[INFO] cloning repository https://github.com/dhruv-ar/youtube_social_network_project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhruv-ar/youtube_social_network_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruv-ar%2Fyoutube_social_network_project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruv-ar%2Fyoutube_social_network_project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ee16319544a32d20470c033508b50c752653d44
[INFO] building dhruv-ar/youtube_social_network_project against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruv-ar%2Fyoutube_social_network_project" "/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/dhruv-ar/youtube_social_network_project on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dhruv-ar/youtube_social_network_project
[INFO] finished tweaking git repo https://github.com/dhruv-ar/youtube_social_network_project
[INFO] tweaked toml for git repo https://github.com/dhruv-ar/youtube_social_network_project written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dhruv-ar/youtube_social_network_project 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.path
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf63a9b7bb787c5910d5d6f5e963ddd26a3d88891fc4837e59a71d9bf57da063
[INFO] running `Command { std: "docker" "start" "-a" "bf63a9b7bb787c5910d5d6f5e963ddd26a3d88891fc4837e59a71d9bf57da063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf63a9b7bb787c5910d5d6f5e963ddd26a3d88891fc4837e59a71d9bf57da063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf63a9b7bb787c5910d5d6f5e963ddd26a3d88891fc4837e59a71d9bf57da063", kill_on_drop: false }`
[INFO] [stdout] bf63a9b7bb787c5910d5d6f5e963ddd26a3d88891fc4837e59a71d9bf57da063
[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=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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b20fbc2394b55efb3ef85f61bee6582f4183a8c98adddfa7a0672e3cf431a2ff
[INFO] running `Command { std: "docker" "start" "-a" "b20fbc2394b55efb3ef85f61bee6582f4183a8c98adddfa7a0672e3cf431a2ff", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.path
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling bytemuck v1.20.0
[INFO] [stderr]    Compiling cc v1.2.3
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling font-kit v0.14.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling pathfinder_simd v0.5.4
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling png v0.17.15
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling plotters-bitmap v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling youtube_social_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/graph.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn load_graph(file_path: &str) -> HashMap<u32, Vec<u32>> {
[INFO] [stdout]   |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/graph.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn load_graph(file_path: &str) -> HashMap<u32, Vec<u32>> {
[INFO] [stdout]   |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.60s
[INFO] running `Command { std: "docker" "inspect" "b20fbc2394b55efb3ef85f61bee6582f4183a8c98adddfa7a0672e3cf431a2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20fbc2394b55efb3ef85f61bee6582f4183a8c98adddfa7a0672e3cf431a2ff", kill_on_drop: false }`
[INFO] [stdout] b20fbc2394b55efb3ef85f61bee6582f4183a8c98adddfa7a0672e3cf431a2ff
[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=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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e506bd154e749f137c4a56a432e2e3cf9556f8f237ba147ac89661ae8d2cbc2
[INFO] running `Command { std: "docker" "start" "-a" "2e506bd154e749f137c4a56a432e2e3cf9556f8f237ba147ac89661ae8d2cbc2", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.path
[INFO] [stderr]    Compiling youtube_social_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/graph.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn load_graph(file_path: &str) -> HashMap<u32, Vec<u32>> {
[INFO] [stdout]   |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/graph.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn load_graph(file_path: &str) -> HashMap<u32, Vec<u32>> {
[INFO] [stdout]   |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `youtube_social_network::graph::load_graph`
[INFO] [stdout]  --> tests/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use youtube_social_network::graph::load_graph;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/graph.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn load_graph(file_path: &str) -> HashMap<u32, Vec<u32>> {
[INFO] [stdout]   |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]  --> src/graph.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn load_graph(file_path: &str) -> HashMap<u32, Vec<u32>> {
[INFO] [stdout]   |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "2e506bd154e749f137c4a56a432e2e3cf9556f8f237ba147ac89661ae8d2cbc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e506bd154e749f137c4a56a432e2e3cf9556f8f237ba147ac89661ae8d2cbc2", kill_on_drop: false }`
[INFO] [stdout] 2e506bd154e749f137c4a56a432e2e3cf9556f8f237ba147ac89661ae8d2cbc2