[INFO] fetching crate coreset 0.0.1...
[INFO] checking coreset-0.0.1 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate coreset 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate coreset 0.0.1 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 coreset 0.0.1
[INFO] finished tweaking crates.io crate coreset 0.0.1
[INFO] tweaked toml for crates.io crate coreset 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate coreset 0.0.1 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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d59518a2b6080140f1518c0c30fd84afd94420d307e2dd654b177f2736faf573
[INFO] running `Command { std: "docker" "start" "-a" "d59518a2b6080140f1518c0c30fd84afd94420d307e2dd654b177f2736faf573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d59518a2b6080140f1518c0c30fd84afd94420d307e2dd654b177f2736faf573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d59518a2b6080140f1518c0c30fd84afd94420d307e2dd654b177f2736faf573", kill_on_drop: false }`
[INFO] [stdout] d59518a2b6080140f1518c0c30fd84afd94420d307e2dd654b177f2736faf573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c6ebc1d037a3128a47a350aa79a760df93c6934578f230d6b33322d577e1d392
[INFO] running `Command { std: "docker" "start" "-a" "c6ebc1d037a3128a47a350aa79a760df93c6934578f230d6b33322d577e1d392", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking anstyle-query v1.0.3
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking quantiles v0.7.1
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking anndists v0.1.2
[INFO] [stderr]     Checking kmedoids v0.5.1
[INFO] [stderr]    Compiling katexit v0.1.4
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking coreset v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `clustering`
[INFO] [stdout]  --> examples/utils/mnistcheck.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use clustering::*;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `clustering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `clustering`
[INFO] [stdout]  --> examples/utils/mnistcheck.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use clustering::*;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `clustering`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: impl trait in impl method signature does not match trait method signature
[INFO] [stdout]   --> examples/utils/mnistiter.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn makeiter(&self) -> DataIterator<'a> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
[INFO] [stdout]    = note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
[INFO] [stdout]    = note: `#[warn(refining_impl_trait_internal)]` on by default
[INFO] [stdout] help: replace the return type so that it matches the trait
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn makeiter(&self) -> impl Iterator<Item = <Self as coreset::prelude::MakeIter>::Item> {
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: impl trait in impl method signature does not match trait method signature
[INFO] [stdout]   --> examples/utils/mnistiter.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn makeiter(&self) -> DataIterator<'a> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
[INFO] [stdout]    = note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
[INFO] [stdout]    = note: `#[warn(refining_impl_trait_internal)]` on by default
[INFO] [stdout] help: replace the return type so that it matches the trait
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn makeiter(&self) -> impl Iterator<Item = <Self as coreset::prelude::MakeIter>::Item> {
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coreset` (example "mnist_fashion") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `coreset` (example "mnist_digits") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c6ebc1d037a3128a47a350aa79a760df93c6934578f230d6b33322d577e1d392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ebc1d037a3128a47a350aa79a760df93c6934578f230d6b33322d577e1d392", kill_on_drop: false }`
[INFO] [stdout] c6ebc1d037a3128a47a350aa79a760df93c6934578f230d6b33322d577e1d392
