[INFO] fetching crate liblbfgs 0.1.0... [INFO] checking liblbfgs-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate liblbfgs 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate liblbfgs 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate liblbfgs 0.1.0 [INFO] finished tweaking crates.io crate liblbfgs 0.1.0 [INFO] tweaked toml for crates.io crate liblbfgs 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate liblbfgs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.142 [INFO] [stderr] Downloaded anyhow v1.0.60 [INFO] [stderr] Downloaded serde_derive v1.0.142 [INFO] [stderr] Downloaded serde_json v1.0.83 [INFO] [stderr] Downloaded vecfx v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 08ab1d200bd752c143985f8abab6d5f2c0e77c92b67740bb9a9264f831545f1f [INFO] running `Command { std: "docker" "start" "-a" "08ab1d200bd752c143985f8abab6d5f2c0e77c92b67740bb9a9264f831545f1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08ab1d200bd752c143985f8abab6d5f2c0e77c92b67740bb9a9264f831545f1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08ab1d200bd752c143985f8abab6d5f2c0e77c92b67740bb9a9264f831545f1f", kill_on_drop: false }` [INFO] [stdout] 08ab1d200bd752c143985f8abab6d5f2c0e77c92b67740bb9a9264f831545f1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 457198574f7c4417a80f698cfd23636cead8424a129b138126b056f0505f3f1f [INFO] running `Command { std: "docker" "start" "-a" "457198574f7c4417a80f698cfd23636cead8424a129b138126b056f0505f3f1f", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling serde v1.0.142 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling libc v0.2.127 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Compiling serde_json v1.0.83 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Compiling serde_derive v1.0.142 [INFO] [stderr] Compiling anyhow v1.0.60 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking plotters-svg v0.3.2 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking liblbfgs v0.1.0 (/opt/rustwide/workdir) [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] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private item shadows public glob re-export [INFO] [stdout] --> src/lib.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | 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:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | pub use crate::lbfgs::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] note: but the private item here shadows it [INFO] [stdout] --> src/lib.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | use crate::lbfgs::Lbfgs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(hidden_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Lbfgs` is imported redundantly [INFO] [stdout] --> src/lib.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 63 | pub use crate::lbfgs::*; [INFO] [stdout] | --------------- the item `Lbfgs` is already imported here [INFO] [stdout] ... [INFO] [stdout] 72 | use crate::lbfgs::Lbfgs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stdout] warning: field `pf` is never read [INFO] [stdout] --> src/lbfgs.rs:867:5 [INFO] [stdout] | [INFO] [stdout] 854 | pub struct LbfgsState<'a, E> [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 867 | pf: Vec, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `satisfying_max_gnorm` is never used [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 `satisfying_delta` is never used [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking ordered-float v2.10.0 [INFO] [stderr] Checking plotters v0.3.2 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking vecfx v0.1.5 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: unused import: `Progress` [INFO] [stdout] --> examples/lj.rs:68:27 [INFO] [stdout] | [INFO] [stdout] 68 | use liblbfgs::{lbfgs, Progress}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Progress` [INFO] [stdout] --> tests/rosenbrock.rs:25:63 [INFO] [stdout] | [INFO] [stdout] 25 | use liblbfgs::{default_evaluate, default_progress, lbfgs, Progress}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private item shadows public glob re-export [INFO] [stdout] --> src/lib.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | 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:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | pub use crate::lbfgs::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] note: but the private item here shadows it [INFO] [stdout] --> src/lib.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | use crate::lbfgs::Lbfgs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(hidden_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Lbfgs` is imported redundantly [INFO] [stdout] --> src/lib.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 63 | pub use crate::lbfgs::*; [INFO] [stdout] | --------------- the item `Lbfgs` is already imported here [INFO] [stdout] ... [INFO] [stdout] 72 | use crate::lbfgs::Lbfgs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/lj.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let mut lj = LennardJones::default(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 112 | let _ = lbfgs().minimize( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pf` is never read [INFO] [stdout] --> src/lbfgs.rs:867:5 [INFO] [stdout] | [INFO] [stdout] 854 | pub struct LbfgsState<'a, E> [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 867 | pf: Vec, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `satisfying_max_gnorm` is never used [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 `satisfying_delta` is never used [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.21s [INFO] running `Command { std: "docker" "inspect" "457198574f7c4417a80f698cfd23636cead8424a129b138126b056f0505f3f1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "457198574f7c4417a80f698cfd23636cead8424a129b138126b056f0505f3f1f", kill_on_drop: false }` [INFO] [stdout] 457198574f7c4417a80f698cfd23636cead8424a129b138126b056f0505f3f1f