[INFO] fetching crate snail_image_obfuscate 1.0.1...
[INFO] testing snail_image_obfuscate-1.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate snail_image_obfuscate 1.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate snail_image_obfuscate 1.0.1
[INFO] finished tweaking crates.io crate snail_image_obfuscate 1.0.1
[INFO] tweaked toml for crates.io crate snail_image_obfuscate 1.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snail_image_obfuscate 1.0.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snail_image_obfuscate 1.0.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0be1eafb42e79fd36093dd48f4f5f68ce992526b8329e7a23357496751d45d33
[INFO] running `Command { std: "docker" "start" "-a" "0be1eafb42e79fd36093dd48f4f5f68ce992526b8329e7a23357496751d45d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0be1eafb42e79fd36093dd48f4f5f68ce992526b8329e7a23357496751d45d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be1eafb42e79fd36093dd48f4f5f68ce992526b8329e7a23357496751d45d33", kill_on_drop: false }`
[INFO] [stdout] 0be1eafb42e79fd36093dd48f4f5f68ce992526b8329e7a23357496751d45d33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4abffa951a1f187e021e0e2fc87048831c9cffc6f333fa09ad4a42960a53f23e
[INFO] running `Command { std: "docker" "start" "-a" "4abffa951a1f187e021e0e2fc87048831c9cffc6f333fa09ad4a42960a53f23e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling snail_image_obfuscate v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.75.0; see <https://github.com/rust-lang/rust/pull/116958> for more information
[INFO] [stdout]   = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::Generator`, `std::ops::GeneratorState`
[INFO] [stdout]  --> src/lib.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Generator, GeneratorState};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |                     yield (h, w);
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     yield (h, w);
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     yield (h, w);
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     yield (h, w);
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |                     yield (h, w);
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/lib.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |                     yield (h, w);
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut snail_sort = #[coroutine] |(height_, width_): (u32, u32)| {
[INFO] [stdout]    |                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     yield (h, w);
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     yield (h, w);
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/lib.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     yield (h, w);
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut snail_sort_rev = #[coroutine] |(height_, width_): (u32, u32)| {
[INFO] [stdout]    |                              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     yield (h, w);
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/lib.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 yield (h, w);
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]  --> src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resume` found for struct `Pin<&mut {coroutine@src/lib.rs:17:26: 17:57}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:111:62
[INFO] [stdout]     |
[INFO] [stdout] 111 |         if let Yielded((hy, hx)) = Pin::new(&mut snail_sort).resume((height, width))
[INFO] [stdout]     |                                                              ^^^^^^ method not found in `Pin<&mut {coroutine@src/lib.rs:17:26: 17:57}>`
[INFO] [stdout]     |
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/coroutine.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `Pin<&mut {coroutine@src/lib.rs:17:26: 17:57}>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Coroutine` which provides `resume` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   2 + use std::ops::Coroutine;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resume` found for struct `Pin<&mut {coroutine@src/lib.rs:57:30: 57:61}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:114:47
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 Pin::new(&mut snail_sort_rev).resume((height, width))
[INFO] [stdout]     |                                               ^^^^^^ method not found in `Pin<&mut {coroutine@src/lib.rs:57:30: 57:61}>`
[INFO] [stdout]     |
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/coroutine.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `Pin<&mut {coroutine@src/lib.rs:57:30: 57:61}>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Coroutine` which provides `resume` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   2 + use std::ops::Coroutine;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0557, E0599, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snail_image_obfuscate` (lib) due to 32 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4abffa951a1f187e021e0e2fc87048831c9cffc6f333fa09ad4a42960a53f23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4abffa951a1f187e021e0e2fc87048831c9cffc6f333fa09ad4a42960a53f23e", kill_on_drop: false }`
[INFO] [stdout] 4abffa951a1f187e021e0e2fc87048831c9cffc6f333fa09ad4a42960a53f23e
