[INFO] fetching crate image-recovery 0.3.1...
[INFO] testing image-recovery-0.3.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate image-recovery 0.3.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate image-recovery 0.3.1
[INFO] finished tweaking crates.io crate image-recovery 0.3.1
[INFO] tweaked toml for crates.io crate image-recovery 0.3.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate image-recovery 0.3.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate image-recovery 0.3.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.10
[INFO] [stderr]   Downloaded thread-tree v0.3.3
[INFO] [stderr]   Downloaded pretty_assertions v1.4.0
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded simd-adler32 v0.3.5
[INFO] [stderr]   Downloaded fdeflate v0.3.0
[INFO] [stderr]   Downloaded quote v1.0.31
[INFO] [stderr]   Downloaded log v0.4.19
[INFO] [stderr]   Downloaded either v1.8.1
[INFO] [stderr]   Downloaded pin-project-internal v1.1.2
[INFO] [stderr]   Downloaded matrixmultiply v0.3.7
[INFO] [stderr]   Downloaded bytemuck v1.13.1
[INFO] [stderr]   Downloaded weezl v0.1.7
[INFO] [stderr]   Downloaded flume v0.10.14
[INFO] [stderr]   Downloaded pin-project v1.1.2
[INFO] [stderr]   Downloaded flate2 v1.0.26
[INFO] [stderr]   Downloaded rayon-core v1.11.0
[INFO] [stderr]   Downloaded png v0.17.9
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.8
[INFO] [stderr]   Downloaded rayon v1.7.0
[INFO] [stderr]   Downloaded syn v2.0.26
[INFO] [stderr]   Downloaded exr v1.7.0
[INFO] [stderr]   Downloaded image v0.24.6
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] [stderr]   Downloaded gif v0.12.0
[INFO] [stderr]   Downloaded tiff v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e0cb7decaa128445219546ef630fcb4e3ae40a9c249bd7feae3029a308f5feb
[INFO] running `Command { std: "docker" "start" "-a" "2e0cb7decaa128445219546ef630fcb4e3ae40a9c249bd7feae3029a308f5feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e0cb7decaa128445219546ef630fcb4e3ae40a9c249bd7feae3029a308f5feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0cb7decaa128445219546ef630fcb4e3ae40a9c249bd7feae3029a308f5feb", kill_on_drop: false }`
[INFO] [stdout] 2e0cb7decaa128445219546ef630fcb4e3ae40a9c249bd7feae3029a308f5feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b0cee03a9ff8d8e9dc5123f847eaec7e3bdfc57a1938eba90dcd5a9b232c723
[INFO] running `Command { std: "docker" "start" "-a" "9b0cee03a9ff8d8e9dc5123f847eaec7e3bdfc57a1938eba90dcd5a9b232c723", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling png v0.17.9
[INFO] [stderr]    Compiling thread-tree v0.3.3
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling pin-project v1.1.2
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling exr v1.7.0
[INFO] [stderr]    Compiling tiff v0.8.1
[INFO] [stderr]    Compiling image v0.24.6
[INFO] [stderr]    Compiling image-recovery v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | #![feature(test)]
[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 `image-recovery` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9b0cee03a9ff8d8e9dc5123f847eaec7e3bdfc57a1938eba90dcd5a9b232c723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0cee03a9ff8d8e9dc5123f847eaec7e3bdfc57a1938eba90dcd5a9b232c723", kill_on_drop: false }`
[INFO] [stdout] 9b0cee03a9ff8d8e9dc5123f847eaec7e3bdfc57a1938eba90dcd5a9b232c723
