[INFO] fetching crate sarc-rs 1.0.0...
[INFO] testing sarc-rs-1.0.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate sarc-rs 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate sarc-rs 1.0.0
[INFO] finished tweaking crates.io crate sarc-rs 1.0.0
[INFO] tweaked toml for crates.io crate sarc-rs 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sarc-rs 1.0.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "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 64 packages to latest compatible versions
[INFO] [stderr]       Adding cached v0.36.0 (available: v0.56.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.12.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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 num v0.4.3
[INFO] [stderr]   Downloaded num-rational v0.4.2
[INFO] [stderr]   Downloaded glob v0.3.3
[INFO] [stderr]   Downloaded num-integer v0.1.46
[INFO] [stderr]   Downloaded async_once v0.2.6
[INFO] [stderr]   Downloaded binread v2.2.0
[INFO] [stderr]   Downloaded binread_derive v2.1.0
[INFO] [stderr]   Downloaded darling_core v0.13.4
[INFO] [stderr]   Downloaded futures v0.3.31
[INFO] [stderr]   Downloaded hashbrown v0.12.3
[INFO] [stderr]   Downloaded num-bigint v0.4.6
[INFO] [stderr]   Downloaded indexmap v1.9.3
[INFO] [stderr]   Downloaded cached v0.36.0
[INFO] [stderr]   Downloaded derivative v2.2.0
[INFO] [stderr]   Downloaded async-trait v0.1.89
[INFO] [stderr]   Downloaded darling v0.13.4
[INFO] [stderr]   Downloaded futures-macro v0.3.31
[INFO] [stderr]   Downloaded tokio-macros v2.6.0
[INFO] [stderr]   Downloaded cached_proc_macro v0.13.0
[INFO] [stderr]   Downloaded futures-executor v0.3.31
[INFO] [stderr]   Downloaded lazy_static v1.5.0
[INFO] [stderr]   Downloaded num-complex v0.4.6
[INFO] [stderr]   Downloaded num-iter v0.1.45
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded darling_macro v0.13.4
[INFO] [stderr]   Downloaded cached_proc_macro_types v0.1.1
[INFO] [stderr]   Downloaded instant v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 850809d3af20d1ae2df8f235998309d43883c65a64b819614a692148b2d07ae3
[INFO] running `Command { std: "docker" "start" "-a" "850809d3af20d1ae2df8f235998309d43883c65a64b819614a692148b2d07ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "850809d3af20d1ae2df8f235998309d43883c65a64b819614a692148b2d07ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850809d3af20d1ae2df8f235998309d43883c65a64b819614a692148b2d07ae3", kill_on_drop: false }`
[INFO] [stdout] 850809d3af20d1ae2df8f235998309d43883c65a64b819614a692148b2d07ae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d69541af7e0b4e5332acf092e987f8f8bc48f8b20284c5d58a714d144c8798
[INFO] running `Command { std: "docker" "start" "-a" "e8d69541af7e0b4e5332acf092e987f8f8bc48f8b20284c5d58a714d144c8798", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling futures-channel 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 futures-io v0.3.31
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.1
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling async_once v0.2.6
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling binwrite v0.2.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling cached_proc_macro v0.13.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling cached v0.36.0
[INFO] [stderr]    Compiling sarc-rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_slice_index)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_slice_index`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_slice_index)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: cannot call conditionally-const method `core::slice::<impl [u8]>::get_unchecked::<usize>` in constant functions
[INFO] [stdout]   --> src/lib.rs:50:38
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 .wrapping_add(*bytes.get_unchecked(i) as u32)
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `core::slice::<impl [T]>::get_unchecked` is not yet stable as a const fn
[INFO] [stdout]   --> src/lib.rs:50:32
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 .wrapping_add(*bytes.get_unchecked(i) as u32)
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sarc-rs` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "e8d69541af7e0b4e5332acf092e987f8f8bc48f8b20284c5d58a714d144c8798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d69541af7e0b4e5332acf092e987f8f8bc48f8b20284c5d58a714d144c8798", kill_on_drop: false }`
[INFO] [stdout] e8d69541af7e0b4e5332acf092e987f8f8bc48f8b20284c5d58a714d144c8798
