[INFO] fetching crate immense 0.1.4...
[INFO] checking immense-0.1.4 against try#09eeb2bacb9b40b2ed1d47f03177442c0632cda1 for pr-157710
[INFO] extracting crate immense 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate immense 0.1.4
[INFO] finished tweaking crates.io crate immense 0.1.4
[INFO] tweaked toml for crates.io crate immense 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate immense 0.1.4 on toolchain 09eeb2bacb9b40b2ed1d47f03177442c0632cda1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "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" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 94 packages to latest compatible versions
[INFO] [stderr]       Adding auto_from v0.1.0 (available: v0.3.0)
[INFO] [stderr]       Adding hex v0.3.2 (available: v0.4.3)
[INFO] [stderr]       Adding itertools v0.7.11 (available: v0.15.0)
[INFO] [stderr]       Adding nalgebra v0.16.14 (available: v0.35.0)
[INFO] [stderr]       Adding noise v0.5.1 (available: v0.9.0)
[INFO] [stderr]       Adding palette v0.4.1 (available: v0.7.6)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c5e8f937d1ac1afec7eb92385725ce1a8710e76042ad4544c49e20a79e944384
[INFO] running `Command { std: "docker" "start" "c5e8f937d1ac1afec7eb92385725ce1a8710e76042ad4544c49e20a79e944384", 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" "c5e8f937d1ac1afec7eb92385725ce1a8710e76042ad4544c49e20a79e944384" "/opt/rustwide/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5e8f937d1ac1afec7eb92385725ce1a8710e76042ad4544c49e20a79e944384", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c5e8f937d1ac1afec7eb92385725ce1a8710e76042ad4544c49e20a79e944384" "/opt/rustwide/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]    Compiling num-rational v0.1.43
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[INFO] [stderr]     Checking generic-array v0.11.2
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[INFO] [stderr]    Compiling rand_xorshift v0.1.1
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[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking rand v0.5.6
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[INFO] [stderr]     Checking jpeg-decoder v0.1.22
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[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking failure v0.1.8
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[INFO] [stderr]    Compiling auto_from v0.1.0
[INFO] [stderr]     Checking immense v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `nalgebra::MatrixArray`: renamed to `ArrayStorage`
[INFO] [stdout]   --> src/mesh.rs:22:59
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub type Vertex = nalgebra::Matrix<f32, U4, U1, nalgebra::MatrixArray<f32, U4, U1>>;
[INFO] [stdout]    |                                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rule.rs:237:20
[INFO] [stdout]     |
[INFO] [stdout] 237 |     Invocations(Rc<ToRule>),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 237 |     Invocations(Rc<dyn ToRule>),
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `nalgebra::MatrixArray`: renamed to `ArrayStorage`
[INFO] [stdout]   --> src/mesh.rs:22:59
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub type Vertex = nalgebra::Matrix<f32, U4, U1, nalgebra::MatrixArray<f32, U4, U1>>;
[INFO] [stdout]    |                                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rule.rs:237:20
[INFO] [stdout]     |
[INFO] [stdout] 237 |     Invocations(Rc<ToRule>),
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 237 |     Invocations(Rc<dyn ToRule>),
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/export.rs:166:41
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let write_face_vertex = |sink: &mut io::Write, vertex_index| -> Result<(), ExportError> {
[INFO] [stdout]     |                                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let write_face_vertex = |sink: &mut dyn io::Write, vertex_index| -> Result<(), ExportError> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/export.rs:166:41
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let write_face_vertex = |sink: &mut io::Write, vertex_index| -> Result<(), ExportError> {
[INFO] [stdout]     |                                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let write_face_vertex = |sink: &mut dyn io::Write, vertex_index| -> Result<(), ExportError> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/error.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Fail, Debug)]
[INFO] [stdout]    |          ^---
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Fail` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_Error`
[INFO] [stdout] 25 | pub enum Error {
[INFO] [stdout]    |          ----- `Error` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/error.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Fail, Debug)]
[INFO] [stdout]    |          ^---
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Display` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_Error`
[INFO] [stdout] 25 | pub enum Error {
[INFO] [stdout]    |          ----- `Error` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/export.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Fail, Debug)]
[INFO] [stdout]    |          ^---
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Fail` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ExportError`
[INFO] [stdout] 21 | pub enum ExportError {
[INFO] [stdout]    |          ----------- `ExportError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/export.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Fail, Debug)]
[INFO] [stdout]    |          ^---
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Display` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_ExportError`
[INFO] [stdout] 21 | pub enum ExportError {
[INFO] [stdout]    |          ----------- `ExportError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/error.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Fail, Debug)]
[INFO] [stdout]    |          ^---
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Fail` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_Error`
[INFO] [stdout] 25 | pub enum Error {
[INFO] [stdout]    |          ----- `Error` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/error.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Fail, Debug)]
[INFO] [stdout]    |          ^---
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Display` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_Error`
[INFO] [stdout] 25 | pub enum Error {
[INFO] [stdout]    |          ----- `Error` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/export.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Fail, Debug)]
[INFO] [stdout]    |          ^---
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Fail` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ExportError`
[INFO] [stdout] 21 | pub enum ExportError {
[INFO] [stdout]    |          ----------- `ExportError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/export.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Fail, Debug)]
[INFO] [stdout]    |          ^---
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Display` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_ExportError`
[INFO] [stdout] 21 | pub enum ExportError {
[INFO] [stdout]    |          ----------- `ExportError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::*`
[INFO] [stdout]  --> examples/noiseland.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::choose`: use SliceRandom::choose instead
[INFO] [stdout]   --> examples/randtower.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 .choose(&[Tf::tx(0.1), Tf::tx(-0.1), Tf::tx(0.2), Tf::tx(-0.2)])
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecursiveTile` is never constructed
[INFO] [stdout]  --> examples/recursive_tile.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct RecursiveTile {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.52s
[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 10`
[INFO] running `Command { std: "docker" "inspect" "c5e8f937d1ac1afec7eb92385725ce1a8710e76042ad4544c49e20a79e944384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e8f937d1ac1afec7eb92385725ce1a8710e76042ad4544c49e20a79e944384", kill_on_drop: false }`
[INFO] [stdout] c5e8f937d1ac1afec7eb92385725ce1a8710e76042ad4544c49e20a79e944384
