[INFO] fetching crate gosh-lbfgs 0.1.0...
[INFO] testing gosh-lbfgs-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate gosh-lbfgs 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate gosh-lbfgs 0.1.0
[INFO] finished tweaking crates.io crate gosh-lbfgs 0.1.0
[INFO] tweaked toml for crates.io crate gosh-lbfgs 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gosh-lbfgs 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gosh-lbfgs 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stdout] 598a6e3f56c80775c4ebcb63b64722e825a73903e6146e7078376ebc332ec934
[INFO] running `Command { std: "docker" "start" "-a" "598a6e3f56c80775c4ebcb63b64722e825a73903e6146e7078376ebc332ec934", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling unicode-xid v0.2.3
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[INFO] [stderr]    Compiling gosh-linesearch v0.1.0
[INFO] [stderr]    Compiling gosh-lbfgs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::line::*`
[INFO] [stdout]  --> src/base.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::line::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::*`
[INFO] [stdout]    --> src/line.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 | use crate::math::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::*`
[INFO] [stdout]    --> src/line_new.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 | use crate::math::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/lib.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | use crate::lbfgs::Lbfgs;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `Lbfgs` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/lib.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub use crate::lbfgs::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/lib.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | use crate::lbfgs::Lbfgs;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `evaluated` and `clone_from` are never used
[INFO] [stdout]    --> src/base.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl<'a, U> Problem<'a, U> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn evaluated(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     pub fn clone_from(&mut self, src: &Problem<U>) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pf` is never read
[INFO] [stdout]    --> src/lbfgs.rs:735:5
[INFO] [stdout]     |
[INFO] [stdout] 722 | pub struct LbfgsState<'a, E>
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 735 |     pf: Vec<f64>,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `satisfying_max_gnorm` is never used
[INFO] [stdout]     --> src/lbfgs.rs:1058:4
[INFO] [stdout]      |
[INFO] [stdout] 1058 | fn satisfying_max_gnorm(prgr: &Progress, max_gnorm: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `satisfying_delta` is never used
[INFO] [stdout]     --> src/lbfgs.rs:1074:4
[INFO] [stdout]      |
[INFO] [stdout] 1074 | fn satisfying_delta<'a>(prgr: &Progress, pf: &'a mut [f64], delta: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pf` is never read
[INFO] [stdout]    --> src/lbfgs_iter.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub struct LbfgsState<'a, U> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 403 |     pf: Vec<f64>,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lbfgs.rs:814:22
[INFO] [stdout]     |
[INFO] [stdout] 814 |     pub fn propagate(&mut self) -> Result<Progress> {
[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] 814 |     pub fn propagate(&mut self) -> Result<Progress<'_>> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lbfgs.rs:865:21
[INFO] [stdout]     |
[INFO] [stdout] 865 |     fn get_progress(&self) -> Progress {
[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] 865 |     fn get_progress(&self) -> Progress<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lbfgs_iter.rs:412:18
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn propagate(&mut self) -> Result<Progress> {
[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] 412 |     fn propagate(&mut self) -> Result<Progress<'_>> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lbfgs_iter.rs:490:21
[INFO] [stdout]     |
[INFO] [stdout] 490 |     fn get_progress(&self) -> Progress {
[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] 490 |     fn get_progress(&self) -> Progress<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.70s
[INFO] running `Command { std: "docker" "inspect" "598a6e3f56c80775c4ebcb63b64722e825a73903e6146e7078376ebc332ec934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598a6e3f56c80775c4ebcb63b64722e825a73903e6146e7078376ebc332ec934", kill_on_drop: false }`
[INFO] [stdout] 598a6e3f56c80775c4ebcb63b64722e825a73903e6146e7078376ebc332ec934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79fe8b37fb2e72132393571f75be49707390113a4d0eea984cf9239e5a72a450
[INFO] running `Command { std: "docker" "start" "-a" "79fe8b37fb2e72132393571f75be49707390113a4d0eea984cf9239e5a72a450", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stdout] warning: unused import: `crate::line::*`
[INFO] [stdout]  --> src/base.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::line::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::*`
[INFO] [stdout]    --> src/line.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 | use crate::math::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::*`
[INFO] [stdout]    --> src/line_new.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 | use crate::math::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/lib.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | use crate::lbfgs::Lbfgs;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `Lbfgs` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/lib.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub use crate::lbfgs::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/lib.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | use crate::lbfgs::Lbfgs;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `evaluated` and `clone_from` are never used
[INFO] [stdout]    --> src/base.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl<'a, U> Problem<'a, U> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn evaluated(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     pub fn clone_from(&mut self, src: &Problem<U>) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pf` is never read
[INFO] [stdout]    --> src/lbfgs.rs:735:5
[INFO] [stdout]     |
[INFO] [stdout] 722 | pub struct LbfgsState<'a, E>
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 735 |     pf: Vec<f64>,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `satisfying_max_gnorm` is never used
[INFO] [stdout]     --> src/lbfgs.rs:1058:4
[INFO] [stdout]      |
[INFO] [stdout] 1058 | fn satisfying_max_gnorm(prgr: &Progress, max_gnorm: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `satisfying_delta` is never used
[INFO] [stdout]     --> src/lbfgs.rs:1074:4
[INFO] [stdout]      |
[INFO] [stdout] 1074 | fn satisfying_delta<'a>(prgr: &Progress, pf: &'a mut [f64], delta: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pf` is never read
[INFO] [stdout]    --> src/lbfgs_iter.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub struct LbfgsState<'a, U> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 403 |     pf: Vec<f64>,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lbfgs.rs:814:22
[INFO] [stdout]     |
[INFO] [stdout] 814 |     pub fn propagate(&mut self) -> Result<Progress> {
[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] 814 |     pub fn propagate(&mut self) -> Result<Progress<'_>> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lbfgs.rs:865:21
[INFO] [stdout]     |
[INFO] [stdout] 865 |     fn get_progress(&self) -> Progress {
[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] 865 |     fn get_progress(&self) -> Progress<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lbfgs_iter.rs:412:18
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn propagate(&mut self) -> Result<Progress> {
[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] 412 |     fn propagate(&mut self) -> Result<Progress<'_>> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lbfgs_iter.rs:490:21
[INFO] [stdout]     |
[INFO] [stdout] 490 |     fn get_progress(&self) -> Progress {
[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] 490 |     fn get_progress(&self) -> Progress<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling vecfx v0.1.5
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling gosh-lbfgs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `liblbfgs`
[INFO] [stdout]   --> examples/lj.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use liblbfgs::{lbfgs, Progress};
[INFO] [stdout]    |         ^^^^^^^^ use of unresolved module or unlinked crate `liblbfgs`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `liblbfgs`, use `cargo add liblbfgs` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `liblbfgs`
[INFO] [stdout]   --> tests/rosenbrock.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use liblbfgs::{default_evaluate, default_progress, lbfgs, Progress};
[INFO] [stdout]    |         ^^^^^^^^ use of unresolved module or unlinked crate `liblbfgs`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `liblbfgs`, use `cargo add liblbfgs` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `liblbfgs`
[INFO] [stdout]  --> examples/sample.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use liblbfgs::{lbfgs, Progress};
[INFO] [stdout]   |     ^^^^^^^^ use of unresolved module or unlinked crate `liblbfgs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `liblbfgs`, use `cargo add liblbfgs` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::line::*`
[INFO] [stdout]  --> src/base.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::line::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::*`
[INFO] [stdout]    --> src/line.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 | use crate::math::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::math::*`
[INFO] [stdout]    --> src/line_new.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 | use crate::math::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/lib.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | use crate::lbfgs::Lbfgs;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `Lbfgs` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/lib.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub use crate::lbfgs::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/lib.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | use crate::lbfgs::Lbfgs;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[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 `gosh-lbfgs` (example "sample") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `gosh-lbfgs` (test "rosenbrock") due to 1 previous error
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `liblbfgs`
[INFO] [stdout]    --> examples/lj.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let steps = liblbfgs::lbfgs_iter()
[INFO] [stdout]     |                 ^^^^^^^^ use of unresolved module or unlinked crate `liblbfgs`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `liblbfgs`, use `cargo add liblbfgs` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `liblbfgs`
[INFO] [stdout]    --> examples/lj.rs:150:61
[INFO] [stdout]     |
[INFO] [stdout] 150 |         .minimize(positions.to_vec(), |x: &[f64], out: &mut liblbfgs::Output| {
[INFO] [stdout]     |                                                             ^^^^^^^^ use of unresolved module or unlinked crate `liblbfgs`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `liblbfgs`, use `cargo add liblbfgs` to add it to your `Cargo.toml`
[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 `gosh-lbfgs` (example "lj") due to 3 previous errors
[INFO] [stdout] warning: methods `evaluated` and `clone_from` are never used
[INFO] [stdout]    --> src/base.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl<'a, U> Problem<'a, U> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn evaluated(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     pub fn clone_from(&mut self, src: &Problem<U>) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pf` is never read
[INFO] [stdout]    --> src/lbfgs.rs:735:5
[INFO] [stdout]     |
[INFO] [stdout] 722 | pub struct LbfgsState<'a, E>
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 735 |     pf: Vec<f64>,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `satisfying_max_gnorm` is never used
[INFO] [stdout]     --> src/lbfgs.rs:1058:4
[INFO] [stdout]      |
[INFO] [stdout] 1058 | fn satisfying_max_gnorm(prgr: &Progress, max_gnorm: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `satisfying_delta` is never used
[INFO] [stdout]     --> src/lbfgs.rs:1074:4
[INFO] [stdout]      |
[INFO] [stdout] 1074 | fn satisfying_delta<'a>(prgr: &Progress, pf: &'a mut [f64], delta: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pf` is never read
[INFO] [stdout]    --> src/lbfgs_iter.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub struct LbfgsState<'a, U> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 403 |     pf: Vec<f64>,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lbfgs.rs:814:22
[INFO] [stdout]     |
[INFO] [stdout] 814 |     pub fn propagate(&mut self) -> Result<Progress> {
[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] 814 |     pub fn propagate(&mut self) -> Result<Progress<'_>> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lbfgs.rs:865:21
[INFO] [stdout]     |
[INFO] [stdout] 865 |     fn get_progress(&self) -> Progress {
[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] 865 |     fn get_progress(&self) -> Progress<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lbfgs_iter.rs:412:18
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn propagate(&mut self) -> Result<Progress> {
[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] 412 |     fn propagate(&mut self) -> Result<Progress<'_>> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lbfgs_iter.rs:490:21
[INFO] [stdout]     |
[INFO] [stdout] 490 |     fn get_progress(&self) -> Progress {
[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] 490 |     fn get_progress(&self) -> Progress<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79fe8b37fb2e72132393571f75be49707390113a4d0eea984cf9239e5a72a450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79fe8b37fb2e72132393571f75be49707390113a4d0eea984cf9239e5a72a450", kill_on_drop: false }`
[INFO] [stdout] 79fe8b37fb2e72132393571f75be49707390113a4d0eea984cf9239e5a72a450
