[INFO] fetching crate liblbfgs 0.0.16...
[INFO] checking liblbfgs-0.0.16 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate liblbfgs 0.0.16 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate liblbfgs 0.0.16 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liblbfgs 0.0.16
[INFO] finished tweaking crates.io crate liblbfgs 0.0.16
[INFO] tweaked toml for crates.io crate liblbfgs 0.0.16 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate liblbfgs 0.0.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.0
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[INFO] [stderr]   Downloaded crossbeam-channel v0.5.0
[INFO] [stderr]   Downloaded vecfx v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b72637c9cc210122d4e97bf66a329a3988c83dcaf9eacc0387490a8a84cf467
[INFO] running `Command { std: "docker" "start" "-a" "2b72637c9cc210122d4e97bf66a329a3988c83dcaf9eacc0387490a8a84cf467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b72637c9cc210122d4e97bf66a329a3988c83dcaf9eacc0387490a8a84cf467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b72637c9cc210122d4e97bf66a329a3988c83dcaf9eacc0387490a8a84cf467", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e4dd3fb6d6901ca6b3374519c439c3af4cd953f58abb24208af0855305f9b6b
[INFO] running `Command { std: "docker" "start" "-a" "2e4dd3fb6d6901ca6b3374519c439c3af4cd953f58abb24208af0855305f9b6b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking vecfx v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking liblbfgs v0.0.16 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]        Fixed src/line.rs (1 fix)
[INFO] [stdout] warning: field is never read: `pf`
[INFO] [stdout]    --> src/lbfgs.rs:867:5
[INFO] [stdout]     |
[INFO] [stdout] 867 |     pf: Vec<f64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satisfying_max_gnorm`
[INFO] [stdout]     --> src/lbfgs.rs:1190:4
[INFO] [stdout]      |
[INFO] [stdout] 1190 | fn satisfying_max_gnorm(prgr: &Progress, max_gnorm: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satisfying_delta`
[INFO] [stdout]     --> src/lbfgs.rs:1206:4
[INFO] [stdout]      |
[INFO] [stdout] 1206 | fn satisfying_delta<'a>(prgr: &Progress, pf: &'a mut [f64], delta: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]    Migrating benches/rosenbrock.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/sample.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/rosenbrock.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/lj.rs from 2018 edition to 2021
[INFO] [stdout] warning: field is never read: `pf`
[INFO] [stdout]    --> src/lbfgs.rs:867:5
[INFO] [stdout]     |
[INFO] [stdout] 867 |     pf: Vec<f64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satisfying_max_gnorm`
[INFO] [stdout]     --> src/lbfgs.rs:1190:4
[INFO] [stdout]      |
[INFO] [stdout] 1190 | fn satisfying_max_gnorm(prgr: &Progress, max_gnorm: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satisfying_delta`
[INFO] [stdout]     --> src/lbfgs.rs:1206:4
[INFO] [stdout]      |
[INFO] [stdout] 1206 | fn satisfying_delta<'a>(prgr: &Progress, pf: &'a mut [f64], delta: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed tests/rosenbrock.rs (1 fix)
[INFO] [stderr]        Fixed examples/lj.rs (2 fixes)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> examples/lj.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | /     lbfgs().minimize(
[INFO] [stdout] 113 | |         &mut positions,
[INFO] [stdout] 114 | |         |x: &[f64], gx: &mut [f64]| {
[INFO] [stdout] 115 | |             let energy = lj.evaluate(x.as_3d(), gx.as_mut_3d());
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |         },
[INFO] [stdout] 128 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.38s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking liblbfgs v0.0.16 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `pf`
[INFO] [stdout]    --> src/lbfgs.rs:867:5
[INFO] [stdout]     |
[INFO] [stdout] 867 |     pf: Vec<f64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satisfying_max_gnorm`
[INFO] [stdout]     --> src/lbfgs.rs:1190:4
[INFO] [stdout]      |
[INFO] [stdout] 1190 | fn satisfying_max_gnorm(prgr: &Progress, max_gnorm: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satisfying_delta`
[INFO] [stdout]     --> src/lbfgs.rs:1206:4
[INFO] [stdout]      |
[INFO] [stdout] 1206 | fn satisfying_delta<'a>(prgr: &Progress, pf: &'a mut [f64], delta: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pf`
[INFO] [stdout]    --> src/lbfgs.rs:867:5
[INFO] [stdout]     |
[INFO] [stdout] 867 |     pf: Vec<f64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satisfying_max_gnorm`
[INFO] [stdout]     --> src/lbfgs.rs:1190:4
[INFO] [stdout]      |
[INFO] [stdout] 1190 | fn satisfying_max_gnorm(prgr: &Progress, max_gnorm: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `satisfying_delta`
[INFO] [stdout]     --> src/lbfgs.rs:1206:4
[INFO] [stdout]      |
[INFO] [stdout] 1206 | fn satisfying_delta<'a>(prgr: &Progress, pf: &'a mut [f64], delta: f64) -> bool {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> examples/lj.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | /     lbfgs().minimize(
[INFO] [stdout] 113 | |         &mut positions,
[INFO] [stdout] 114 | |         |x: &[f64], gx: &mut [f64]| {
[INFO] [stdout] 115 | |             let energy = lj.evaluate(x.as_3d(), gx.as_mut_3d());
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |         },
[INFO] [stdout] 128 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "2e4dd3fb6d6901ca6b3374519c439c3af4cd953f58abb24208af0855305f9b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4dd3fb6d6901ca6b3374519c439c3af4cd953f58abb24208af0855305f9b6b", kill_on_drop: false }`
[INFO] [stdout] 2e4dd3fb6d6901ca6b3374519c439c3af4cd953f58abb24208af0855305f9b6b