[INFO] fetching crate codenano 0.5.1...
[INFO] testing codenano-0.5.1 against 1.97.0-beta.6 for beta-1.98-1
[INFO] extracting crate codenano 0.5.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate codenano 0.5.1
[INFO] finished tweaking crates.io crate codenano 0.5.1
[INFO] tweaked toml for crates.io crate codenano 0.5.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate codenano 0.5.1 on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.9.0 (available: v0.15.0)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.2)
[INFO] [stderr]       Adding simple_excel_writer v0.1.9 (available: v0.2.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded simple_excel_writer v0.1.9
[INFO] [stderr]   Downloaded palette_derive v0.4.1
[INFO] [stderr]   Downloaded cadnano-format v0.1.0
[INFO] [stderr]   Downloaded palette v0.4.1
[INFO] [stderr]   Downloaded syn v0.14.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243
[INFO] running `Command { std: "docker" "start" "70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling anyhow v1.0.103
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]    Compiling simple_excel_writer v0.1.9
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]    Compiling cadnano-format v0.1.0
[INFO] [stderr]    Compiling codenano v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:771:9
[INFO] [stdout]     |
[INFO] [stdout] 771 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 774 |     ) -> StrandRef<StrandLabel, DomainLabel> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 774 |     ) -> StrandRef<'_, StrandLabel, DomainLabel> {
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:801:25
[INFO] [stdout]     |
[INFO] [stdout] 801 |     pub fn empty_strand(&mut self) -> StrandRef<StrandLabel, DomainLabel> {
[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] 801 |     pub fn empty_strand(&mut self) -> StrandRef<'_, StrandLabel, DomainLabel> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:819:27
[INFO] [stdout]     |
[INFO] [stdout] 819 |     pub fn get_strand_ref(&mut self, strand_id: usize) -> StrandRef<StrandLabel, DomainLabel> {
[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] 819 |     pub fn get_strand_ref(&mut self, strand_id: usize) -> StrandRef<'_, StrandLabel, DomainLabel> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/opengl.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |         self.points.push(unsafe { std::mem::transmute(x) });
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 61 -         self.points.push(unsafe { std::mem::transmute(x) });
[INFO] [stdout] 61 +         self.points.push(unsafe { f32::from_bits(x) });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:771:9
[INFO] [stdout]     |
[INFO] [stdout] 771 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 774 |     ) -> StrandRef<StrandLabel, DomainLabel> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 774 |     ) -> StrandRef<'_, StrandLabel, DomainLabel> {
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:801:25
[INFO] [stdout]     |
[INFO] [stdout] 801 |     pub fn empty_strand(&mut self) -> StrandRef<StrandLabel, DomainLabel> {
[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] 801 |     pub fn empty_strand(&mut self) -> StrandRef<'_, StrandLabel, DomainLabel> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:819:27
[INFO] [stdout]     |
[INFO] [stdout] 819 |     pub fn get_strand_ref(&mut self, strand_id: usize) -> StrandRef<StrandLabel, DomainLabel> {
[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] 819 |     pub fn get_strand_ref(&mut self, strand_id: usize) -> StrandRef<'_, StrandLabel, DomainLabel> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/opengl.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |         self.points.push(unsafe { std::mem::transmute(x) });
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 61 -         self.points.push(unsafe { std::mem::transmute(x) });
[INFO] [stdout] 61 +         self.points.push(unsafe { f32::from_bits(x) });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling codenano v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:771:9
[INFO] [stdout]     |
[INFO] [stdout] 771 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 774 |     ) -> StrandRef<StrandLabel, DomainLabel> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 774 |     ) -> StrandRef<'_, StrandLabel, DomainLabel> {
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:801:25
[INFO] [stdout]     |
[INFO] [stdout] 801 |     pub fn empty_strand(&mut self) -> StrandRef<StrandLabel, DomainLabel> {
[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] 801 |     pub fn empty_strand(&mut self) -> StrandRef<'_, StrandLabel, DomainLabel> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:819:27
[INFO] [stdout]     |
[INFO] [stdout] 819 |     pub fn get_strand_ref(&mut self, strand_id: usize) -> StrandRef<StrandLabel, DomainLabel> {
[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] 819 |     pub fn get_strand_ref(&mut self, strand_id: usize) -> StrandRef<'_, StrandLabel, DomainLabel> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/opengl.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |         self.points.push(unsafe { std::mem::transmute(x) });
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 61 -         self.points.push(unsafe { std::mem::transmute(x) });
[INFO] [stdout] 61 +         self.points.push(unsafe { f32::from_bits(x) });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:771:9
[INFO] [stderr]     |
[INFO] [stderr] 771 |         &mut self,
[INFO] [stderr]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 774 |     ) -> StrandRef<StrandLabel, DomainLabel> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 774 |     ) -> StrandRef<'_, StrandLabel, DomainLabel> {
[INFO] [stderr]     |                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:801:25
[INFO] [stderr]     |
[INFO] [stderr] 801 |     pub fn empty_strand(&mut self) -> StrandRef<StrandLabel, DomainLabel> {
[INFO] [stderr]     |                         ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 801 |     pub fn empty_strand(&mut self) -> StrandRef<'_, StrandLabel, DomainLabel> {
[INFO] [stderr]     |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:819:27
[INFO] [stderr]     |
[INFO] [stderr] 819 |     pub fn get_strand_ref(&mut self, strand_id: usize) -> StrandRef<StrandLabel, DomainLabel> {
[INFO] [stderr]     |                           ^^^^^^^^^                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 819 |     pub fn get_strand_ref(&mut self, strand_id: usize) -> StrandRef<'_, StrandLabel, DomainLabel> {
[INFO] [stderr]     |                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]   --> src/opengl.rs:61:35
[INFO] [stderr]    |
[INFO] [stderr] 61 |         self.points.push(unsafe { std::mem::transmute(x) });
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] help: replace this with
[INFO] [stderr]    |
[INFO] [stderr] 61 -         self.points.push(unsafe { std::mem::transmute(x) });
[INFO] [stderr] 61 +         self.points.push(unsafe { f32::from_bits(x) });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `codenano` (lib) generated 4 warnings (run `cargo fix --lib -p codenano` to apply 4 suggestions)
[INFO] [stderr] warning: `codenano` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/codenano-02f10b5556e76896)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests codenano
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (640) panicked at src/lib.rs:18:35:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <anyhow::Error as core::convert::From<std::io::error::Error>>::from
[INFO] [stdout]    1: <core::result::Result<(), anyhow::Error> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible, std::io::error::Error>>>::from_residual
[INFO] [stdout]    2: <codenano::Design<(), ()>>::write_to::<&str>
[INFO] [stdout]    3: rust_out::main::_doctest_main_src_lib_rs_7_0
[INFO] [stdout]    4: rust_out::main
[INFO] [stdout]    5: <fn() as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]    6: std::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]    7: std::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]    8: <&dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:287:21
[INFO] [stdout]    9: std::panicking::catch_unwind::do_call::<&dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync, i32>
[INFO] [stdout]              at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   10: std::panicking::catch_unwind::<i32, &dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync>
[INFO] [stdout]              at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<&dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync, i32>
[INFO] [stdout]              at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::rt::lang_start_internal::{closure#0}
[INFO] [stdout]              at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/rt.rs:175:24
[INFO] [stdout]   13: std::panicking::catch_unwind::do_call::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]              at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   14: std::panicking::catch_unwind::<isize, std::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]              at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   15: std::panic::catch_unwind::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]              at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   16: std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/rt.rs:171:5
[INFO] [stdout]   17: std::rt::lang_start::<()>
[INFO] [stdout]   18: main
[INFO] [stdout]   19: <unknown>
[INFO] [stdout]   20: __libc_start_main
[INFO] [stdout]   21: _start
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f7622f4a7a8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f7622f4a7a8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f7622f4a7a8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f7622f4a7a8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f7622f5b7da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f7622f5b7da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x5f7622f4e872 - std[10d71ac2c42b111e]::io::default_write_fmt::<std[10d71ac2c42b111e]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5f7622f4e872 - <std[10d71ac2c42b111e]::sys::stdio::unix::Stderr as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5f7622f35ed6 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f7622f35ed6 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f7622f46d31 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5f7622f46eeb - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5f7622f35f92 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5f7622f2aeb9 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5f7622f368ed - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5f7622f5bf2c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5f7622f5bca2 - core[8fb95b77d25ab6c8]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x5f7622f089e4 - rust_out[45392ab902eb6021]::main::_doctest_main_src_lib_rs_7_0
[INFO] [stdout]   18:     0x5f7622f07726 - rust_out[45392ab902eb6021]::main
[INFO] [stdout]   19:     0x5f7622f0a153 - <fn() as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x5f7622efc206 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x5f7622f073f9 - std[10d71ac2c42b111e]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x5f7622f463a7 - <&dyn core[8fb95b77d25ab6c8]::ops::function::Fn<(), Output = i32> + core[8fb95b77d25ab6c8]::panic::unwind_safe::RefUnwindSafe + core[8fb95b77d25ab6c8]::marker::Sync as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x5f7622f463a7 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<&dyn core[8fb95b77d25ab6c8]::ops::function::Fn<(), Output = i32> + core[8fb95b77d25ab6c8]::panic::unwind_safe::RefUnwindSafe + core[8fb95b77d25ab6c8]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x5f7622f463a7 - std[10d71ac2c42b111e]::panicking::catch_unwind::<i32, &dyn core[8fb95b77d25ab6c8]::ops::function::Fn<(), Output = i32> + core[8fb95b77d25ab6c8]::panic::unwind_safe::RefUnwindSafe + core[8fb95b77d25ab6c8]::marker::Sync>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x5f7622f463a7 - std[10d71ac2c42b111e]::panic::catch_unwind::<&dyn core[8fb95b77d25ab6c8]::ops::function::Fn<(), Output = i32> + core[8fb95b77d25ab6c8]::panic::unwind_safe::RefUnwindSafe + core[8fb95b77d25ab6c8]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5f7622f463a7 - std[10d71ac2c42b111e]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5f7622f463a7 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<std[10d71ac2c42b111e]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5f7622f463a7 - std[10d71ac2c42b111e]::panicking::catch_unwind::<isize, std[10d71ac2c42b111e]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5f7622f463a7 - std[10d71ac2c42b111e]::panic::catch_unwind::<std[10d71ac2c42b111e]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5f7622f463a7 - std[10d71ac2c42b111e]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5f7622efa9e1 - std[10d71ac2c42b111e]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x5f7622f0a275 - main
[INFO] [stdout]   33:     0x739b16cc31ca - <unknown>
[INFO] [stdout]   34:     0x739b16cc328b - __libc_start_main
[INFO] [stdout]   35:     0x5f7622ef9d45 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243", kill_on_drop: false }`
[INFO] [stdout] 70edf404577e003883c6bd817c969d5eae2887f27260593a6f978d0bef79b243
