[INFO] fetching crate tesseract-android-base 0.5.6...
[INFO] checking tesseract-android-base-0.5.6 against 1.95.0 for pr-155915
[INFO] extracting crate tesseract-android-base 0.5.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tesseract-android-base 0.5.6
[INFO] finished tweaking crates.io crate tesseract-android-base 0.5.6
[INFO] tweaked toml for crates.io crate tesseract-android-base 0.5.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tesseract-android-base 0.5.6 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding jni v0.20.0 (available: v0.22.4)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jni_fn v0.1.2
[INFO] [stderr]   Downloaded crabdroid v0.3.0
[INFO] [stderr]   Downloaded tesseract-one v0.5.6
[INFO] [stderr]   Downloaded jni v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e131cd2a6cb98f65bfb56a037c5ef26ae357b595dade561162816ee136e778a0
[INFO] running `Command { std: "docker" "start" "-a" "e131cd2a6cb98f65bfb56a037c5ef26ae357b595dade561162816ee136e778a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e131cd2a6cb98f65bfb56a037c5ef26ae357b595dade561162816ee136e778a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e131cd2a6cb98f65bfb56a037c5ef26ae357b595dade561162816ee136e778a0", kill_on_drop: false }`
[INFO] [stdout] e131cd2a6cb98f65bfb56a037c5ef26ae357b595dade561162816ee136e778a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07a77802ee7d5dd6dc7c382c2b84859266f5c3b2533e5b4450ef8900d0ade5b6
[INFO] running `Command { std: "docker" "start" "-a" "07a77802ee7d5dd6dc7c382c2b84859266f5c3b2533e5b4450ef8900d0ade5b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling jni-sys v0.3.1
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling jni v0.20.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling jni-sys-macros v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling jni_fn v0.1.2
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking jni-sys v0.4.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tesseract-one v0.5.6
[INFO] [stderr]     Checking crabdroid v0.3.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crabdroid-0.3.0/src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(iterator_try_collect)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crabdroid` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "07a77802ee7d5dd6dc7c382c2b84859266f5c3b2533e5b4450ef8900d0ade5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a77802ee7d5dd6dc7c382c2b84859266f5c3b2533e5b4450ef8900d0ade5b6", kill_on_drop: false }`
[INFO] [stdout] 07a77802ee7d5dd6dc7c382c2b84859266f5c3b2533e5b4450ef8900d0ade5b6