[INFO] cloning repository https://github.com/arm64be/fundamentals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arm64be/fundamentals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farm64be%2Ffundamentals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farm64be%2Ffundamentals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bc2852ea50bab756cae4f3ba1bca1aa79cb153b
[INFO] checking arm64be/fundamentals against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farm64be%2Ffundamentals" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/arm64be/fundamentals
[INFO] finished tweaking git repo https://github.com/arm64be/fundamentals
[INFO] tweaked toml for git repo https://github.com/arm64be/fundamentals written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/arm64be/fundamentals 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 git repo https://github.com/arm64be/fundamentals 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded humanize-duration v0.0.7
[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] 70223f8977c61f6f81461182dc9898f4b50434e9d99c241e3ebef2da2fbb895e
[INFO] running `Command { std: "docker" "start" "-a" "70223f8977c61f6f81461182dc9898f4b50434e9d99c241e3ebef2da2fbb895e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70223f8977c61f6f81461182dc9898f4b50434e9d99c241e3ebef2da2fbb895e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70223f8977c61f6f81461182dc9898f4b50434e9d99c241e3ebef2da2fbb895e", kill_on_drop: false }`
[INFO] [stdout] 70223f8977c61f6f81461182dc9898f4b50434e9d99c241e3ebef2da2fbb895e
[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] 99ffa9701b8e55bbf75d6e0563387000d8ba6d1991a3b8dc6c4bb65c0d1de59c
[INFO] running `Command { std: "docker" "start" "-a" "99ffa9701b8e55bbf75d6e0563387000d8ba6d1991a3b8dc6c4bb65c0d1de59c", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]     Checking colored v3.1.1
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking humanize-duration v0.0.7
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.10.0
[INFO] [stderr]     Checking lm-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |     get_disjoint_mut_helpers,
[INFO] [stdout] 3 | |     optimize_attribute,
[INFO] [stdout] 4 | |     string_from_utf8_lossy_owned,
[INFO] [stdout] ... |
[INFO] [stdout] 7 | |     iter_collect_into
[INFO] [stdout] 8 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     core_intrinsics,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `colored::Colorize`
[INFO] [stdout]  --> src/action/infer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use colored::Colorize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `model::CFG_SEQ_LEN`
[INFO] [stdout]  --> src/action/infer.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{model::CFG_SEQ_LEN, tokenizer::Tokenizer};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::slice`
[INFO] [stdout]  --> src/mem.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::slice;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CFG_BIT_FLIPS`
[INFO] [stdout]  --> src/model/backward_pass.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     model::{CFG_BIT_FLIPS, LanguageModel, N_EMBD, N_LAYER, N_PROCESS},
[INFO] [stdout]   |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |     get_disjoint_mut_helpers,
[INFO] [stdout] 3 | |     optimize_attribute,
[INFO] [stdout] 4 | |     string_from_utf8_lossy_owned,
[INFO] [stdout] ... |
[INFO] [stdout] 7 | |     iter_collect_into
[INFO] [stdout] 8 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     core_intrinsics,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `colored::Colorize`
[INFO] [stdout]  --> src/action/infer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use colored::Colorize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `model::CFG_SEQ_LEN`
[INFO] [stdout]  --> src/action/infer.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{model::CFG_SEQ_LEN, tokenizer::Tokenizer};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::slice`
[INFO] [stdout]  --> src/mem.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::slice;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CFG_BIT_FLIPS`
[INFO] [stdout]  --> src/model/backward_pass.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     model::{CFG_BIT_FLIPS, LanguageModel, N_EMBD, N_LAYER, N_PROCESS},
[INFO] [stdout]   |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokenizer`
[INFO] [stdout]  --> src/action/infer.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn inference_loop(tokenizer: Tokenizer, prompt: String, max_tokens: usize) {}
[INFO] [stdout]   |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokenizer`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prompt`
[INFO] [stdout]  --> src/action/infer.rs:7:45
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn inference_loop(tokenizer: Tokenizer, prompt: String, max_tokens: usize) {}
[INFO] [stdout]   |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prompt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_tokens`
[INFO] [stdout]  --> src/action/infer.rs:7:61
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn inference_loop(tokenizer: Tokenizer, prompt: String, max_tokens: usize) {}
[INFO] [stdout]   |                                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokenizer`
[INFO] [stdout]  --> src/action/infer.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn inference_loop(tokenizer: Tokenizer, prompt: String, max_tokens: usize) {}
[INFO] [stdout]   |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokenizer`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prompt`
[INFO] [stdout]  --> src/action/infer.rs:7:45
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn inference_loop(tokenizer: Tokenizer, prompt: String, max_tokens: usize) {}
[INFO] [stdout]   |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prompt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_tokens`
[INFO] [stdout]  --> src/action/infer.rs:7:61
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn inference_loop(tokenizer: Tokenizer, prompt: String, max_tokens: usize) {}
[INFO] [stdout]   |                                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lm-rs` (bin "lm-rs" test) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lm-rs` (bin "lm-rs") due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "99ffa9701b8e55bbf75d6e0563387000d8ba6d1991a3b8dc6c4bb65c0d1de59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ffa9701b8e55bbf75d6e0563387000d8ba6d1991a3b8dc6c4bb65c0d1de59c", kill_on_drop: false }`
[INFO] [stdout] 99ffa9701b8e55bbf75d6e0563387000d8ba6d1991a3b8dc6c4bb65c0d1de59c
