[INFO] cloning repository https://github.com/albertsgarde/flexblock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/albertsgarde/flexblock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbertsgarde%2Fflexblock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbertsgarde%2Fflexblock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83f0ecbff0f7cec51022fe4429c0e3d647932cfe
[INFO] checking albertsgarde/flexblock against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbertsgarde%2Fflexblock" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/albertsgarde/flexblock
[INFO] finished tweaking git repo https://github.com/albertsgarde/flexblock
[INFO] tweaked toml for git repo https://github.com/albertsgarde/flexblock written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/albertsgarde/flexblock on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/albertsgarde/flexblock 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" "+bac5816c5f3d02cebd0599070af62d1782530294" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 030f6ca29f17ad0d50344c1afa0e9eb8befac3ccbbe8fab57c54c6b7b0725ef3
[INFO] running `Command { std: "docker" "start" "-a" "030f6ca29f17ad0d50344c1afa0e9eb8befac3ccbbe8fab57c54c6b7b0725ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "030f6ca29f17ad0d50344c1afa0e9eb8befac3ccbbe8fab57c54c6b7b0725ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030f6ca29f17ad0d50344c1afa0e9eb8befac3ccbbe8fab57c54c6b7b0725ef3", kill_on_drop: false }`
[INFO] [stdout] 030f6ca29f17ad0d50344c1afa0e9eb8befac3ccbbe8fab57c54c6b7b0725ef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4e91c49dae1d26749a07d61906b655bf09eaec16d0299927670c542a2b3b3ba
[INFO] running `Command { std: "docker" "start" "-a" "c4e91c49dae1d26749a07d61906b655bf09eaec16d0299927670c542a2b3b3ba", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
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[INFO] [stderr]    Compiling libc v0.2.103
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[INFO] [stderr]    Compiling paste v1.0.5
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[INFO] [stderr]    Compiling erased-serde v0.3.16
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[INFO] [stderr]     Checking raw-window-handle v0.3.3
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[INFO] [stderr]     Checking wayland-egl v0.28.6
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling typetag-impl v0.1.7
[INFO] [stderr]    Compiling synth-derive v0.1.0 (/opt/rustwide/workdir/crates/synth/synth-derive)
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling macros v0.1.0 (/opt/rustwide/workdir/crates/graphics/macros)
[INFO] [stderr]    Compiling enum-map-derive v0.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking enum-map v1.1.1
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking synth v0.1.0 (/opt/rustwide/workdir/crates/synth)
[INFO] [stdout] warning: unused import: `midi_player::MidiPlayer`
[INFO] [stdout]  --> crates/synth/src/midi/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use midi_player::MidiPlayer;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MonoSampleProvider` is never used
[INFO] [stdout]  --> crates/synth/src/sample_provider.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait MonoSampleProvider {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MidiPlayer` is never used
[INFO] [stdout]  --> crates/synth/src/midi/midi_player.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait MidiPlayer {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> crates/synth/src/utils/rotating_array.rs:135:44
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn new(array: &'a RotatingArray<T>) -> RotatingArrayIterator<T> {
[INFO] [stdout]     |                    --                      ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn new(array: &'a RotatingArray<T>) -> RotatingArrayIterator<'a, T> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `midi_player::MidiPlayer`
[INFO] [stdout]  --> crates/synth/src/midi/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use midi_player::MidiPlayer;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MonoSampleProvider` is never used
[INFO] [stdout]  --> crates/synth/src/sample_provider.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait MonoSampleProvider {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MidiPlayer` is never used
[INFO] [stdout]  --> crates/synth/src/midi/midi_player.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait MidiPlayer {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> crates/synth/src/utils/rotating_array.rs:135:44
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn new(array: &'a RotatingArray<T>) -> RotatingArrayIterator<T> {
[INFO] [stdout]     |                    --                      ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn new(array: &'a RotatingArray<T>) -> RotatingArrayIterator<'a, T> {
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking simplelog v0.10.2
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking typetag v0.1.7
[INFO] [stderr]     Checking nalgebra v0.25.4
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking glutin v0.26.0
[INFO] [stderr]     Checking nalgebra-glm v0.11.0
[INFO] [stderr]     Checking utils v0.0.0 (/opt/rustwide/workdir/crates/utils)
[INFO] [stderr]     Checking world v0.0.0 (/opt/rustwide/workdir/crates/world)
[INFO] [stderr]     Checking graphics v0.1.0 (/opt/rustwide/workdir/crates/graphics)
[INFO] [stderr]     Checking world-generation v0.0.0 (/opt/rustwide/workdir/crates/world-generation)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> crates/graphics/src/model/model_manager.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |             .map(|x| (x.model_name()))
[INFO] [stdout]    |                      ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -             .map(|x| (x.model_name()))
[INFO] [stdout] 44 +             .map(|x| x.model_name() )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> crates/graphics/src/model/model_manager.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |             .map(|x| (x.model_name()))
[INFO] [stdout]    |                      ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -             .map(|x| (x.model_name()))
[INFO] [stdout] 44 +             .map(|x| x.model_name() )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]   --> crates/world/src/voxel.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde(tag = "type")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected trait `Voxel + Send`, found trait `Voxel`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `Box<dyn Voxel + Send>` to `Box<dyn Voxel>`
[INFO] [stdout]    = note: expected struct `Box<dyn Voxel>`
[INFO] [stdout]               found struct `Box<dyn Voxel + Send>`
[INFO] [stdout]    = note: this error originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `world` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]   --> crates/world/src/voxel.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[typetag::serde(tag = "type")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected trait `Voxel + Send`, found trait `Voxel`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `Box<dyn Voxel + Send>` to `Box<dyn Voxel>`
[INFO] [stdout]    = note: expected struct `Box<dyn Voxel>`
[INFO] [stdout]               found struct `Box<dyn Voxel + Send>`
[INFO] [stdout]    = note: this error originates in the attribute macro `typetag::serde` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `world` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c4e91c49dae1d26749a07d61906b655bf09eaec16d0299927670c542a2b3b3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e91c49dae1d26749a07d61906b655bf09eaec16d0299927670c542a2b3b3ba", kill_on_drop: false }`
[INFO] [stdout] c4e91c49dae1d26749a07d61906b655bf09eaec16d0299927670c542a2b3b3ba
