[INFO] fetching crate gol 0.1.11...
[INFO] checking gol-0.1.11 against 1.55.0 for beta-1.56-3
[INFO] extracting crate gol 0.1.11 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate gol 0.1.11 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gol 0.1.11
[INFO] finished tweaking crates.io crate gol 0.1.11
[INFO] tweaked toml for crates.io crate gol 0.1.11 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
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[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e98ab92cd90b9af9016dbf8e5e0da1326c70d31876f9b762c9029a91ac2c4fd3
[INFO] running `Command { std: "docker" "start" "-a" "e98ab92cd90b9af9016dbf8e5e0da1326c70d31876f9b762c9029a91ac2c4fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e98ab92cd90b9af9016dbf8e5e0da1326c70d31876f9b762c9029a91ac2c4fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98ab92cd90b9af9016dbf8e5e0da1326c70d31876f9b762c9029a91ac2c4fd3", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 187698e4a9e673aac9481fac96efcb401e5ae89d17f604bcb48c785b1f97d80c
[INFO] running `Command { std: "docker" "start" "-a" "187698e4a9e673aac9481fac96efcb401e5ae89d17f604bcb48c785b1f97d80c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling bitflags v0.9.1
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[INFO] [stderr]    Compiling syn v0.15.44
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[INFO] [stderr]    Compiling pkg-config v0.3.20
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[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking draw_state v0.7.1
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[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wayland-scanner v0.9.10
[INFO] [stderr]    Compiling x11-dl v2.19.1
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[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]    Compiling gfx_gl v0.4.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]     Checking gfx_core v0.7.2
[INFO] [stderr]     Checking gfx_device_gl v0.14.6
[INFO] [stderr]     Checking gfx v0.16.3
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.10
[INFO] [stderr]     Checking wayland-kbd v0.9.1
[INFO] [stderr]     Checking wayland-window v0.7.0
[INFO] [stderr]     Checking winit v0.7.6
[INFO] [stderr]     Checking gfx_window_glutin v0.17.0
[INFO] [stderr]     Checking gol v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/data/grid.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         /// Grid is a matrix with {height} rows and {width} columns, addressed
[INFO] [stdout] 45 | |         /// via (i, j) (row, column) convention. Used for finding neightbours because it's
[INFO] [stdout] 46 | |         /// just an easier mental model to work with for that problem. It gets flattened later.
[INFO] [stdout]    | |_______________________________________________________________________________________________^
[INFO] [stdout] 47 |           let mut grid = Vec::with_capacity(height);
[INFO] [stdout]    |           ------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 |     ) -> Result<Self, Box<Error>> {
[INFO] [stdout]     |                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:187:44
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn render(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:214:58
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn update_instances(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:232:45
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn run(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/data/grid.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         /// Grid is a matrix with {height} rows and {width} columns, addressed
[INFO] [stdout] 45 | |         /// via (i, j) (row, column) convention. Used for finding neightbours because it's
[INFO] [stdout] 46 | |         /// just an easier mental model to work with for that problem. It gets flattened later.
[INFO] [stdout]    | |_______________________________________________________________________________________________^
[INFO] [stdout] 47 |           let mut grid = Vec::with_capacity(height);
[INFO] [stdout]    |           ------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 |     ) -> Result<Self, Box<Error>> {
[INFO] [stdout]     |                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:187:44
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn render(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:214:58
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn update_instances(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:232:45
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn run(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/grid_benchmark.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/rendering_benchmark.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn inner_main() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gol` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn inner_main() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `update_instances` found for enum `Result` in the current scope
[INFO] [stdout]   --> benches/rendering_benchmark.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         app.update_instances()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ method not found in `Result<gol::rendering::App, Box<dyn std::error::Error>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `update_instances` found for enum `Result` in the current scope
[INFO] [stdout]   --> benches/rendering_benchmark.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         app.update_instances()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ method not found in `Result<gol::rendering::App, Box<dyn std::error::Error>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `update_instances` found for enum `Result` in the current scope
[INFO] [stdout]   --> benches/rendering_benchmark.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         app.update_instances()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ method not found in `Result<gol::rendering::App, Box<dyn std::error::Error>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "187698e4a9e673aac9481fac96efcb401e5ae89d17f604bcb48c785b1f97d80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "187698e4a9e673aac9481fac96efcb401e5ae89d17f604bcb48c785b1f97d80c", kill_on_drop: false }`
[INFO] [stdout] 187698e4a9e673aac9481fac96efcb401e5ae89d17f604bcb48c785b1f97d80c
