[INFO] fetching crate graph-based-image-segmentation 0.2.1...
[INFO] checking graph-based-image-segmentation-0.2.1 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate graph-based-image-segmentation 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate graph-based-image-segmentation 0.2.1 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graph-based-image-segmentation 0.2.1
[INFO] finished tweaking crates.io crate graph-based-image-segmentation 0.2.1
[INFO] tweaked toml for crates.io crate graph-based-image-segmentation 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 82 packages to latest compatible versions
[INFO] [stderr]       Adding opencv v0.82.1 (available: v0.93.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aee7778e504f14dafe57ce69049529566e2717cd22e2900f975f1b96438b3b6f
[INFO] running `Command { std: "docker" "start" "-a" "aee7778e504f14dafe57ce69049529566e2717cd22e2900f975f1b96438b3b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aee7778e504f14dafe57ce69049529566e2717cd22e2900f975f1b96438b3b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee7778e504f14dafe57ce69049529566e2717cd22e2900f975f1b96438b3b6f", kill_on_drop: false }`
[INFO] [stdout] aee7778e504f14dafe57ce69049529566e2717cd22e2900f975f1b96438b3b6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26f772c159e5fb888f17ec634d8e59286d72fe61c6eb25a52f04b6a5a8b955d2
[INFO] running `Command { std: "docker" "start" "-a" "26f772c159e5fb888f17ec634d8e59286d72fe61c6eb25a52f04b6a5a8b955d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking clap_lex v0.7.3
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking clap_builder v4.5.21
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling cc v1.2.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]    Compiling clang v2.0.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.21
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling opencv-binding-generator v0.66.0
[INFO] [stderr]     Checking serde v1.0.215
[INFO] [stderr]    Compiling opencv v0.82.1
[INFO] [stderr]     Checking serde_json v1.0.133
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking graph-based-image-segmentation v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph/image_graph.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let mut nodes = vec![Default::default(); n];
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph/image_graph.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let mut colors = vec![Default::default(); n];
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph/image_graph.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let mut nodes = vec![Default::default(); n];
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph/image_graph.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let mut colors = vec![Default::default(); n];
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> src/graph/image_graph.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl ImageGraph {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn reset(&mut self, n: usize) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> src/graph/image_graph.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl ImageGraph {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn reset(&mut self, n: usize) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `benches/../../data/tree.jpg`: No such file or directory (os error 2)
[INFO] [stdout]   --> benches/performance.rs:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let tree = Mat::from_slice(include_bytes!("../../data/tree.jpg")).unwrap();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `graph-based-image-segmentation` (bench "performance") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "26f772c159e5fb888f17ec634d8e59286d72fe61c6eb25a52f04b6a5a8b955d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f772c159e5fb888f17ec634d8e59286d72fe61c6eb25a52f04b6a5a8b955d2", kill_on_drop: false }`
[INFO] [stdout] 26f772c159e5fb888f17ec634d8e59286d72fe61c6eb25a52f04b6a5a8b955d2
