[INFO] fetching crate fast-umap 0.0.2...
[INFO] testing fast-umap-0.0.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] extracting crate fast-umap 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate fast-umap 0.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fast-umap 0.0.2
[INFO] tweaked toml for crates.io crate fast-umap 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-umap 0.0.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fast-umap 0.0.2 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bd0ba8e330b192f3b0f3ec4e75dd940c93317da6668dbe7dc38fd6be2d1ae75
[INFO] running `Command { std: "docker" "start" "-a" "3bd0ba8e330b192f3b0f3ec4e75dd940c93317da6668dbe7dc38fd6be2d1ae75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bd0ba8e330b192f3b0f3ec4e75dd940c93317da6668dbe7dc38fd6be2d1ae75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd0ba8e330b192f3b0f3ec4e75dd940c93317da6668dbe7dc38fd6be2d1ae75", kill_on_drop: false }`
[INFO] [stdout] 3bd0ba8e330b192f3b0f3ec4e75dd940c93317da6668dbe7dc38fd6be2d1ae75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a7ad781da4389983f2d9dbddb26a2f4731a812c45640eb270d48506f3739726
[INFO] running `Command { std: "docker" "start" "-a" "7a7ad781da4389983f2d9dbddb26a2f4731a812c45640eb270d48506f3739726", kill_on_drop: false }`
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[INFO] [stderr]    Compiling burn-train v0.15.0
[INFO] [stderr]    Compiling burn v0.15.0
[INFO] [stderr]    Compiling fast-umap v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `Command { std: "docker" "inspect" "7a7ad781da4389983f2d9dbddb26a2f4731a812c45640eb270d48506f3739726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7ad781da4389983f2d9dbddb26a2f4731a812c45640eb270d48506f3739726", kill_on_drop: false }`
[INFO] [stdout] 7a7ad781da4389983f2d9dbddb26a2f4731a812c45640eb270d48506f3739726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d478d15e33cc5682d85a581a303566f6b8c9e871dd404190bcd34a12db50060
[INFO] running `Command { std: "docker" "start" "-a" "6d478d15e33cc5682d85a581a303566f6b8c9e871dd404190bcd34a12db50060", kill_on_drop: false }`
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling curl-sys v0.4.74+curl-8.9.0
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling pbr v1.1.1
[INFO] [stderr]    Compiling mnist v0.6.0
[INFO] [stderr]    Compiling fast-umap v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `trn_lbl`
[INFO] [stdout]  --> examples/mnist.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         trn_lbl,
[INFO] [stdout]   |         ^^^^^^^-
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: try removing the field
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tst_img`
[INFO] [stdout]   --> examples/mnist.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         tst_img,
[INFO] [stdout]    |         ^^^^^^^-
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tst_lbl`
[INFO] [stdout]   --> examples/mnist.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         tst_lbl,
[INFO] [stdout]    |         ^^^^^^^-
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.42s
[INFO] running `Command { std: "docker" "inspect" "6d478d15e33cc5682d85a581a303566f6b8c9e871dd404190bcd34a12db50060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d478d15e33cc5682d85a581a303566f6b8c9e871dd404190bcd34a12db50060", kill_on_drop: false }`
[INFO] [stdout] 6d478d15e33cc5682d85a581a303566f6b8c9e871dd404190bcd34a12db50060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 716bb25826a3b7b9aca0635c7a788c26c7156819cf6d46878ec70461e72ec73c
[INFO] running `Command { std: "docker" "start" "-a" "716bb25826a3b7b9aca0635c7a788c26c7156819cf6d46878ec70461e72ec73c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `trn_lbl`
[INFO] [stderr]  --> examples/mnist.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         trn_lbl,
[INFO] [stderr]   |         ^^^^^^^-
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: try removing the field
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tst_img`
[INFO] [stderr]   --> examples/mnist.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         tst_img,
[INFO] [stderr]    |         ^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try removing the field
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tst_lbl`
[INFO] [stderr]   --> examples/mnist.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         tst_lbl,
[INFO] [stderr]    |         ^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try removing the field
[INFO] [stderr] 
[INFO] [stderr] warning: `fast-umap` (example "mnist") generated 3 warnings (run `cargo fix --example "mnist"` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_umap-1e3bf75ed5c5647c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_umap
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - prelude::umap_size (line 193) ... FAILED
[INFO] [stdout] test src/lib.rs - prelude::umap (line 167) ... FAILED
[INFO] [stdout] test src/loss.rs - loss::euclidean_knn (line 55) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - prelude::umap_size (line 193) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `umap_size` in this scope
[INFO] [stdout]  --> src/lib.rs:196:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | let model = umap_size(data, output_size);
[INFO] [stdout]   |             ^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use fast_umap::prelude::umap_size;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - prelude::umap (line 167) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `umap` in this scope
[INFO] [stdout]  --> src/lib.rs:169:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | let model = umap(data);
[INFO] [stdout]   |             ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use fast_umap::prelude::umap;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/loss.rs - loss::euclidean_knn (line 55) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Tensor`
[INFO] [stdout]  --> src/loss.rs:56:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | let x = Tensor::from([[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]]);
[INFO] [stdout]   |         ^^^^^^ use of undeclared type `Tensor`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use burn::prelude::Tensor;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `euclidean_knn` in this scope
[INFO] [stdout]  --> src/loss.rs:58:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | let result = euclidean_knn(x, k);
[INFO] [stdout]   |              ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use fast_umap::loss::euclidean_knn;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - prelude::umap (line 167)
[INFO] [stdout]     src/lib.rs - prelude::umap_size (line 193)
[INFO] [stdout]     src/loss.rs - loss::euclidean_knn (line 55)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "716bb25826a3b7b9aca0635c7a788c26c7156819cf6d46878ec70461e72ec73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716bb25826a3b7b9aca0635c7a788c26c7156819cf6d46878ec70461e72ec73c", kill_on_drop: false }`
[INFO] [stdout] 716bb25826a3b7b9aca0635c7a788c26c7156819cf6d46878ec70461e72ec73c