[INFO] fetching crate include_rgba 0.1.0...
[INFO] checking include_rgba-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate include_rgba 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate include_rgba 0.1.0
[INFO] finished tweaking crates.io crate include_rgba 0.1.0
[INFO] tweaked toml for crates.io crate include_rgba 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate include_rgba 0.1.0 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] crate crates.io crate include_rgba 0.1.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.16.5
[INFO] [stderr]   Downloaded adler32 v1.1.0
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded bytemuck v1.2.0
[INFO] [stderr]   Downloaded num-rational v0.3.0
[INFO] [stderr]   Downloaded deflate v0.8.4
[INFO] [stderr]   Downloaded tiff v0.5.0
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded image v0.23.6
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.19
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c0f2249696e8d6c94d85002e17d496067c6f6aeb9ffdc5e80e97a3304a33cb3e
[INFO] running `Command { std: "docker" "start" "-a" "c0f2249696e8d6c94d85002e17d496067c6f6aeb9ffdc5e80e97a3304a33cb3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0f2249696e8d6c94d85002e17d496067c6f6aeb9ffdc5e80e97a3304a33cb3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f2249696e8d6c94d85002e17d496067c6f6aeb9ffdc5e80e97a3304a33cb3e", kill_on_drop: false }`
[INFO] [stdout] c0f2249696e8d6c94d85002e17d496067c6f6aeb9ffdc5e80e97a3304a33cb3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 75ee7ae23c31dded292eb1d12cd0b18bf5f3b9a7a3ae9159ffa7ebcaa805a211
[INFO] running `Command { std: "docker" "start" "-a" "75ee7ae23c31dded292eb1d12cd0b18bf5f3b9a7a3ae9159ffa7ebcaa805a211", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling png v0.16.5
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking image v0.23.6
[INFO] [stderr]     Checking include_rgba v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> examples/basic.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_hygiene)]
[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 `include_rgba` (example "basic") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "75ee7ae23c31dded292eb1d12cd0b18bf5f3b9a7a3ae9159ffa7ebcaa805a211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ee7ae23c31dded292eb1d12cd0b18bf5f3b9a7a3ae9159ffa7ebcaa805a211", kill_on_drop: false }`
[INFO] [stdout] 75ee7ae23c31dded292eb1d12cd0b18bf5f3b9a7a3ae9159ffa7ebcaa805a211
