[INFO] crate rgmsh 0.1.2 is already in cache
[INFO] checking rgmsh-0.1.2 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate rgmsh 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rgmsh 0.1.2 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rgmsh 0.1.2
[INFO] finished tweaking crates.io crate rgmsh 0.1.2
[INFO] tweaked toml for crates.io crate rgmsh 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rgmsh 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5edf9b3b06abbbad153e413766ccef1504c6e67e5c6e5fb0ff5a29615bed7eb
[INFO] running `"docker" "start" "-a" "c5edf9b3b06abbbad153e413766ccef1504c6e67e5c6e5fb0ff5a29615bed7eb"`
[INFO] [stderr]    Compiling gmsh-sys v0.1.2
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking rgmsh v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/model/occ.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | /// All angle values are in radians, commonly given as fractions of π.
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 8 | 
[INFO] [stderr] 9 | include!("common_occ.rs");
[INFO] [stderr]   | -------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]    --> src/model/mod.rs:224:16
[INFO] [stderr]     |
[INFO] [stderr] 224 | use std::ffi::{CStr, CString};
[INFO] [stderr]     |                ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `check_main_error`
[INFO] [stderr]  --> src/model/occ.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::{GmshError, GmshResult, check_main_error, check_model_error};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `c_or_s` should have an upper camel case name
[INFO] [stderr]    --> src/model/mod.rs:727:6
[INFO] [stderr]     |
[INFO] [stderr] 727 | type c_or_s = CurveOrSurface;
[INFO] [stderr]     |      ^^^^^^ help: convert the identifier to upper camel case: `COrS`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Surface`
[INFO] [stderr]    --> src/model/mod.rs:701:9
[INFO] [stderr]     |
[INFO] [stderr] 701 |         Surface(SurfaceTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Volume`
[INFO] [stderr]    --> src/model/mod.rs:702:9
[INFO] [stderr]     |
[INFO] [stderr] 702 |         Volume(VolumeTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Point`
[INFO] [stderr]    --> src/model/mod.rs:708:9
[INFO] [stderr]     |
[INFO] [stderr] 708 |         Point(PointTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Curve`
[INFO] [stderr]    --> src/model/mod.rs:709:9
[INFO] [stderr]     |
[INFO] [stderr] 709 |         Curve(CurveTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Wire`
[INFO] [stderr]    --> src/model/mod.rs:710:9
[INFO] [stderr]     |
[INFO] [stderr] 710 |         Wire(WireTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Surface`
[INFO] [stderr]    --> src/model/mod.rs:711:9
[INFO] [stderr]     |
[INFO] [stderr] 711 |         Surface(SurfaceTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Shell`
[INFO] [stderr]    --> src/model/mod.rs:712:9
[INFO] [stderr]     |
[INFO] [stderr] 712 |         Shell(ShellTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Volume`
[INFO] [stderr]    --> src/model/mod.rs:713:9
[INFO] [stderr]     |
[INFO] [stderr] 713 |         Volume(VolumeTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FieldTag`
[INFO] [stderr]   --> src/lib.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | struct FieldTag(i64);
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ViewTag`
[INFO] [stderr]   --> src/lib.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | struct ViewTag(i64);
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ApiCategory`
[INFO] [stderr]  --> src/bin/api_gen.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum ApiCategory { 
[INFO] [stderr]   |      ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Func`
[INFO] [stderr]  --> src/bin/api_gen.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Func<T, F> { 
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/model/occ.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | /// All angle values are in radians, commonly given as fractions of π.
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 8 | 
[INFO] [stderr] 9 | include!("common_occ.rs");
[INFO] [stderr]   | -------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pl`
[INFO] [stderr]   --> examples/t1.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let pl = model.add_plane_surface(cl)?;
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_pl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gui`
[INFO] [stderr]   --> examples/t1.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let gui = gmsh.run_gui()?;
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_gui`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l1`
[INFO] [stderr]   --> examples/tour.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let l1 = geom.add_line(p1, p2)?;
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_l1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l2`
[INFO] [stderr]   --> examples/tour.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let l2 = geom.add_line(p1, p2)?;
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_l2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l3`
[INFO] [stderr]   --> examples/tour.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let l3 = geom.add_line(p1, p2)?;
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_l3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l4`
[INFO] [stderr]   --> examples/tour.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let l4 = geom.add_line(p1, p2)?;
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_l4`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p_a`
[INFO] [stderr]    --> examples/tour.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let p_a = geom_a.add_point(0., 0., 0.)?;
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_p_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p_b`
[INFO] [stderr]    --> examples/tour.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let p_b = geom_b.add_point(0., 1., 1.)?;
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_p_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p_c`
[INFO] [stderr]    --> examples/tour.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let p_c = geom_b.add_point(0., 1., 1.)?;
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_p_c`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/t1.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut gmsh = Gmsh::initialize()?;
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/tour.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut gmsh = Gmsh::initialize()?;
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/tour.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     geom.remove_point(p);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> examples/tour.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     geom.generate_mesh(2);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ApiCategory`
[INFO] [stderr]  --> src/bin/api_gen.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum ApiCategory { 
[INFO] [stderr]   |      ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Func`
[INFO] [stderr]  --> src/bin/api_gen.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Func<T, F> { 
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]    --> src/model/mod.rs:224:16
[INFO] [stderr]     |
[INFO] [stderr] 224 | use std::ffi::{CStr, CString};
[INFO] [stderr]     |                ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `check_main_error`
[INFO] [stderr]  --> src/model/occ.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::{GmshError, GmshResult, check_main_error, check_model_error};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `c_or_s` should have an upper camel case name
[INFO] [stderr]    --> src/model/mod.rs:727:6
[INFO] [stderr]     |
[INFO] [stderr] 727 | type c_or_s = CurveOrSurface;
[INFO] [stderr]     |      ^^^^^^ help: convert the identifier to upper camel case: `COrS`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::model::*`
[INFO] [stderr]    --> src/lib.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |     use crate::model::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `geom`
[INFO] [stderr]    --> src/lib.rs:229:13
[INFO] [stderr]     |
[INFO] [stderr] 229 |         let geom = gmsh.create_occ_model("model")?;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_geom`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `geom`
[INFO] [stderr]    --> src/lib.rs:257:13
[INFO] [stderr]     |
[INFO] [stderr] 257 |         let geom = gmsh.create_occ_model("model")?;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_geom`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Surface`
[INFO] [stderr]    --> src/model/mod.rs:701:9
[INFO] [stderr]     |
[INFO] [stderr] 701 |         Surface(SurfaceTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Volume`
[INFO] [stderr]    --> src/model/mod.rs:702:9
[INFO] [stderr]     |
[INFO] [stderr] 702 |         Volume(VolumeTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Point`
[INFO] [stderr]    --> src/model/mod.rs:708:9
[INFO] [stderr]     |
[INFO] [stderr] 708 |         Point(PointTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Curve`
[INFO] [stderr]    --> src/model/mod.rs:709:9
[INFO] [stderr]     |
[INFO] [stderr] 709 |         Curve(CurveTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Wire`
[INFO] [stderr]    --> src/model/mod.rs:710:9
[INFO] [stderr]     |
[INFO] [stderr] 710 |         Wire(WireTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Surface`
[INFO] [stderr]    --> src/model/mod.rs:711:9
[INFO] [stderr]     |
[INFO] [stderr] 711 |         Surface(SurfaceTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Shell`
[INFO] [stderr]    --> src/model/mod.rs:712:9
[INFO] [stderr]     |
[INFO] [stderr] 712 |         Shell(ShellTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Volume`
[INFO] [stderr]    --> src/model/mod.rs:713:9
[INFO] [stderr]     |
[INFO] [stderr] 713 |         Volume(VolumeTag),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FieldTag`
[INFO] [stderr]   --> src/lib.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | struct FieldTag(i64);
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ViewTag`
[INFO] [stderr]   --> src/lib.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | struct ViewTag(i64);
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.74s
[INFO] running `"docker" "inspect" "c5edf9b3b06abbbad153e413766ccef1504c6e67e5c6e5fb0ff5a29615bed7eb"`
[INFO] running `"docker" "rm" "-f" "c5edf9b3b06abbbad153e413766ccef1504c6e67e5c6e5fb0ff5a29615bed7eb"`
[INFO] [stdout] c5edf9b3b06abbbad153e413766ccef1504c6e67e5c6e5fb0ff5a29615bed7eb