[INFO] fetching crate dagre-rs 0.1.0...
[INFO] testing dagre-rs-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate dagre-rs 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate dagre-rs 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dagre-rs 0.1.0
[INFO] tweaked toml for crates.io crate dagre-rs 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dagre-rs 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dagre-rs 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af4f263527655849345d132dba79fb4c78589da6def6d3ef4827dab3ea50b46b
[INFO] running `Command { std: "docker" "start" "-a" "af4f263527655849345d132dba79fb4c78589da6def6d3ef4827dab3ea50b46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af4f263527655849345d132dba79fb4c78589da6def6d3ef4827dab3ea50b46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4f263527655849345d132dba79fb4c78589da6def6d3ef4827dab3ea50b46b", kill_on_drop: false }`
[INFO] [stdout] af4f263527655849345d132dba79fb4c78589da6def6d3ef4827dab3ea50b46b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dfb0d565dad97720a9cddd127c1a086cc4abf64b23c4895388885cc96600c1d
[INFO] running `Command { std: "docker" "start" "-a" "6dfb0d565dad97720a9cddd127c1a086cc4abf64b23c4895388885cc96600c1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling petgraph v0.8.3
[INFO] [stderr]    Compiling dagre-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "6dfb0d565dad97720a9cddd127c1a086cc4abf64b23c4895388885cc96600c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dfb0d565dad97720a9cddd127c1a086cc4abf64b23c4895388885cc96600c1d", kill_on_drop: false }`
[INFO] [stdout] 6dfb0d565dad97720a9cddd127c1a086cc4abf64b23c4895388885cc96600c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 052236d53e8741d492514042709d4c74ea2ce8238b759527d65115deed341ea5
[INFO] running `Command { std: "docker" "start" "-a" "052236d53e8741d492514042709d4c74ea2ce8238b759527d65115deed341ea5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling clap_builder v4.5.50
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.50
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling dagre-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `dagrers`
[INFO] [stdout]  --> examples/test_comprehensive.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dagrers::{DagreLayout, LayoutOptions, RankDir};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `dagrers`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dagre_rs::{DagreLayout, LayoutOptions, RankDir};
[INFO] [stdout]   |          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `dagrers`
[INFO] [stdout]  --> examples/visualize_layout.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dagrers::{DagreLayout, LayoutOptions, LayoutResult, RankDir};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `dagrers`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dagre_rs::{DagreLayout, LayoutOptions, LayoutResult, RankDir};
[INFO] [stdout]   |          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `dagrers`
[INFO] [stdout]  --> examples/performance_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dagrers::{DagreLayout, LayoutOptions, RankDir};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `dagrers`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dagre_rs::{DagreLayout, LayoutOptions, RankDir};
[INFO] [stdout]   |          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/visualize_layout.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |             if layer.is_empty() {
[INFO] [stdout]    |                ^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dagre-rs` (example "performance_test") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dagre-rs` (example "visualize_layout") due to 2 previous errors
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> examples/test_comprehensive.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |     for i in 1..=10 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> examples/test_comprehensive.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |     for i in 1..=20 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `dagrers`
[INFO] [stdout]   --> examples/test_comprehensive.rs:90:18
[INFO] [stdout]    |
[INFO] [stdout] 90 |         result: &dagrers::LayoutResult,
[INFO] [stdout]    |                  ^^^^^^^ use of unresolved module or unlinked crate `dagrers`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 90 |         result: &dagre_rs::LayoutResult,
[INFO] [stdout]    |                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dagre-rs` (example "test_comprehensive") due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "052236d53e8741d492514042709d4c74ea2ce8238b759527d65115deed341ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052236d53e8741d492514042709d4c74ea2ce8238b759527d65115deed341ea5", kill_on_drop: false }`
[INFO] [stdout] 052236d53e8741d492514042709d4c74ea2ce8238b759527d65115deed341ea5