[INFO] fetching crate linfa-trees 0.7.1...
[INFO] building linfa-trees-0.7.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate linfa-trees 0.7.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate linfa-trees 0.7.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate linfa-trees 0.7.1
[INFO] tweaked toml for crates.io crate linfa-trees 0.7.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate linfa-trees 0.7.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate linfa-trees 0.7.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.88
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[INFO] [stderr]   Downloaded sprs v0.11.1
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[INFO] [stderr]   Downloaded symbolic-demangle v10.2.1
[INFO] [stderr]   Downloaded libc v0.2.160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c08ed51f553012f34a3caf7ffcbd7efc9295ac3dd13a5c20c56129b2f224b61d
[INFO] running `Command { std: "docker" "start" "-a" "c08ed51f553012f34a3caf7ffcbd7efc9295ac3dd13a5c20c56129b2f224b61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c08ed51f553012f34a3caf7ffcbd7efc9295ac3dd13a5c20c56129b2f224b61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c08ed51f553012f34a3caf7ffcbd7efc9295ac3dd13a5c20c56129b2f224b61d", kill_on_drop: false }`
[INFO] [stdout] c08ed51f553012f34a3caf7ffcbd7efc9295ac3dd13a5c20c56129b2f224b61d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb28cc691da00174e1452cd15f7281c086e1006e20c5cb699f786d8235a450af
[INFO] running `Command { std: "docker" "start" "-a" "fb28cc691da00174e1452cd15f7281c086e1006e20c5cb699f786d8235a450af", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_json v1.0.128
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[INFO] [stderr]    Compiling rustix v0.38.37
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[INFO] [stderr]    Compiling serde_derive v1.0.210
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[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling sprs v0.11.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling inferno v0.11.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling linfa-trees v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decision_trees/algorithm.rs:546:23
[INFO] [stdout]     |
[INFO] [stdout] 546 |     pub fn iter_nodes(&self) -> NodeIter<F, L> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 546 |     pub fn iter_nodes(&self) -> NodeIter<'_, F, L> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decision_trees/algorithm.rs:624:27
[INFO] [stdout]     |
[INFO] [stdout] 624 |     pub fn export_to_tikz(&self) -> Tikz<F, L> {
[INFO] [stdout]     |                           ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 624 |     pub fn export_to_tikz(&self) -> Tikz<'_, F, L> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.68s
[INFO] running `Command { std: "docker" "inspect" "fb28cc691da00174e1452cd15f7281c086e1006e20c5cb699f786d8235a450af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb28cc691da00174e1452cd15f7281c086e1006e20c5cb699f786d8235a450af", kill_on_drop: false }`
[INFO] [stdout] fb28cc691da00174e1452cd15f7281c086e1006e20c5cb699f786d8235a450af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7294daf0293a92f9bd6c74bb05d98b3f6848b40550d3e97730b9893e6c624dd
[INFO] running `Command { std: "docker" "start" "-a" "d7294daf0293a92f9bd6c74bb05d98b3f6848b40550d3e97730b9893e6c624dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling flate2 v1.0.34
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decision_trees/algorithm.rs:546:23
[INFO] [stdout]     |
[INFO] [stdout] 546 |     pub fn iter_nodes(&self) -> NodeIter<F, L> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 546 |     pub fn iter_nodes(&self) -> NodeIter<'_, F, L> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decision_trees/algorithm.rs:624:27
[INFO] [stdout]     |
[INFO] [stdout] 624 |     pub fn export_to_tikz(&self) -> Tikz<F, L> {
[INFO] [stdout]     |                           ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 624 |     pub fn export_to_tikz(&self) -> Tikz<'_, F, L> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling ndarray-csv v0.5.1
[INFO] [stderr]    Compiling linfa-datasets v0.7.1
[INFO] [stderr]    Compiling linfa-trees v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decision_trees/algorithm.rs:546:23
[INFO] [stdout]     |
[INFO] [stdout] 546 |     pub fn iter_nodes(&self) -> NodeIter<F, L> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 546 |     pub fn iter_nodes(&self) -> NodeIter<'_, F, L> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decision_trees/algorithm.rs:624:27
[INFO] [stdout]     |
[INFO] [stdout] 624 |     pub fn export_to_tikz(&self) -> Tikz<F, L> {
[INFO] [stdout]     |                           ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 624 |     pub fn export_to_tikz(&self) -> Tikz<'_, F, L> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "d7294daf0293a92f9bd6c74bb05d98b3f6848b40550d3e97730b9893e6c624dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7294daf0293a92f9bd6c74bb05d98b3f6848b40550d3e97730b9893e6c624dd", kill_on_drop: false }`
[INFO] [stdout] d7294daf0293a92f9bd6c74bb05d98b3f6848b40550d3e97730b9893e6c624dd
