[INFO] fetching crate photonic-output-null 0.1.0...
[INFO] testing photonic-output-null-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate photonic-output-null 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate photonic-output-null 0.1.0
[INFO] finished tweaking crates.io crate photonic-output-null 0.1.0
[INFO] tweaked toml for crates.io crate photonic-output-null 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate photonic-output-null 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 88 packages to latest compatible versions
[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]     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 serde_derive v1.0.228
[INFO] [stderr]   Downloaded proc-macro2 v1.0.101
[INFO] [stderr]   Downloaded serde_core v1.0.228
[INFO] [stderr]   Downloaded parking_lot_core v0.9.11
[INFO] [stderr]   Downloaded addr2line v0.25.1
[INFO] [stderr]   Downloaded rustversion v1.0.22
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.6
[INFO] [stderr]   Downloaded inventory v0.3.21
[INFO] [stderr]   Downloaded syn v2.0.106
[INFO] [stderr]   Downloaded anyhow v1.0.100
[INFO] [stderr]   Downloaded async-trait v0.1.89
[INFO] [stderr]   Downloaded tokio v1.47.1
[INFO] [stderr]   Downloaded tokio-util v0.7.16
[INFO] [stderr]   Downloaded serde_json v1.0.145
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.27
[INFO] [stderr]   Downloaded zerocopy v0.8.27
[INFO] [stderr]   Downloaded backtrace v0.3.76
[INFO] [stderr]   Downloaded io-uring v0.7.10
[INFO] [stderr]   Downloaded mio v1.0.4
[INFO] [stderr]   Downloaded miniz_oxide v0.8.9
[INFO] [stderr]   Downloaded memchr v2.7.6
[INFO] [stderr]   Downloaded object v0.37.3
[INFO] [stderr]   Downloaded phf_generator v0.11.3
[INFO] [stderr]   Downloaded phf_macros v0.11.3
[INFO] [stderr]   Downloaded siphasher v1.0.1
[INFO] [stderr]   Downloaded phf_shared v0.11.3
[INFO] [stderr]   Downloaded phf v0.11.3
[INFO] [stderr]   Downloaded ordered-float v2.10.1
[INFO] [stderr]   Downloaded serde-value v0.7.0
[INFO] [stderr]   Downloaded adler2 v2.0.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.26
[INFO] [stderr]   Downloaded windows-link v0.2.0
[INFO] [stderr]   Downloaded gimli v0.32.3
[INFO] [stderr]   Downloaded wasi v0.11.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded autocfg v1.5.0
[INFO] [stderr]   Downloaded lock_api v0.4.13
[INFO] [stderr]   Downloaded cfg-if v1.0.3
[INFO] [stderr]   Downloaded bitflags v2.9.4
[INFO] [stderr]   Downloaded redox_syscall v0.5.17
[INFO] [stderr]   Downloaded smallvec v1.15.1
[INFO] [stderr]   Downloaded parking_lot v0.12.4
[INFO] [stderr]   Downloaded slab v0.4.11
[INFO] [stderr]   Downloaded socket2 v0.6.0
[INFO] [stderr]   Downloaded photonic-dynamic v0.1.0
[INFO] [stderr]   Downloaded serde v1.0.228
[INFO] [stderr]   Downloaded quote v1.0.41
[INFO] [stderr]   Downloaded unicode-ident v1.0.19
[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] ff439727c016202ec9abd542bbfb05bc8fa5ff8ff5e8eac7237dbeea0dd1c9dc
[INFO] running `Command { std: "docker" "start" "-a" "ff439727c016202ec9abd542bbfb05bc8fa5ff8ff5e8eac7237dbeea0dd1c9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff439727c016202ec9abd542bbfb05bc8fa5ff8ff5e8eac7237dbeea0dd1c9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff439727c016202ec9abd542bbfb05bc8fa5ff8ff5e8eac7237dbeea0dd1c9dc", kill_on_drop: false }`
[INFO] [stdout] ff439727c016202ec9abd542bbfb05bc8fa5ff8ff5e8eac7237dbeea0dd1c9dc
[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] d152ea74e22275102b2853ad978bd43d318ff650deffd7401cd68e84388bf6a1
[INFO] running `Command { std: "docker" "start" "-a" "d152ea74e22275102b2853ad978bd43d318ff650deffd7401cd68e84388bf6a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling palette v0.7.6
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling fast-srgb8 v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling palette_derive v0.7.6
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling photonic v0.1.0
[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/photonic-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unsize)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/photonic-0.1.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(coerce_unsized)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/photonic-0.1.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(impl_trait_in_assoc_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/photonic-0.1.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(map_try_insert)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/photonic-0.1.0/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(trivial_bounds)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/photonic-0.1.0/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(never_type)]
[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 `photonic` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "d152ea74e22275102b2853ad978bd43d318ff650deffd7401cd68e84388bf6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d152ea74e22275102b2853ad978bd43d318ff650deffd7401cd68e84388bf6a1", kill_on_drop: false }`
[INFO] [stdout] d152ea74e22275102b2853ad978bd43d318ff650deffd7401cd68e84388bf6a1
