[INFO] fetching crate glowdust 0.0.1...
[INFO] testing glowdust-0.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate glowdust 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate glowdust 0.0.1
[INFO] finished tweaking crates.io crate glowdust 0.0.1
[INFO] tweaked toml for crates.io crate glowdust 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate glowdust 0.0.1 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 glowdust 0.0.1 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 rustyline-derive v0.10.0
[INFO] [stderr]   Downloaded clipboard-win v5.0.0
[INFO] [stderr]   Downloaded ctor v0.2.6
[INFO] [stderr]   Downloaded serde-json-core v0.5.1
[INFO] [stderr]   Downloaded error-code v3.0.0
[INFO] [stderr]   Downloaded errno v0.3.5
[INFO] [stderr]   Downloaded fd-lock v4.0.2
[INFO] [stderr]   Downloaded rustyline v13.0.0
[INFO] [stderr]   Downloaded io-uring v0.6.3
[INFO] [stderr]   Downloaded rustix v0.38.21
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.10
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5fbfd02018fbb9ad1b3ab37f57c1fddcc13c91522aa71311d709a6af35ea095
[INFO] running `Command { std: "docker" "start" "-a" "f5fbfd02018fbb9ad1b3ab37f57c1fddcc13c91522aa71311d709a6af35ea095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5fbfd02018fbb9ad1b3ab37f57c1fddcc13c91522aa71311d709a6af35ea095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5fbfd02018fbb9ad1b3ab37f57c1fddcc13c91522aa71311d709a6af35ea095", kill_on_drop: false }`
[INFO] [stdout] f5fbfd02018fbb9ad1b3ab37f57c1fddcc13c91522aa71311d709a6af35ea095
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63420e582a5612f90f3436b718f4ffdfbecebafd0248c22e8c6b2790d2995ee9
[INFO] running `Command { std: "docker" "start" "-a" "63420e582a5612f90f3436b718f4ffdfbecebafd0248c22e8c6b2790d2995ee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling io-uring v0.6.3
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling fd-lock v4.0.2
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling serde-json-core v0.5.1
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling rustyline-derive v0.10.0
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling rustyline v13.0.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling glowdust v0.0.1 (/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(variant_count)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(thread_id_value)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(portable_simd)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(backtrace_frames)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/compiler/cursor.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::trace`
[INFO] [stdout]  --> src/compiler/parser/parse_state.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::trace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `trace`
[INFO] [stdout]   --> src/compiler/parser/parser.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 | use tracing::{error, trace};
[INFO] [stdout]    |               ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::runtime::disassembler::disassemble_no_lines`
[INFO] [stdout]   --> src/runtime/vm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::runtime::disassembler::disassemble_no_lines;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/store/csv/uring.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Error, ErrorKind, Read, Result};
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/store/csv/uring.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut source = OpenOptions::new().read(true).open(source)?;
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assumed_offset`
[INFO] [stdout]   --> src/store/csv/uring.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let assumed_offset = cqe.user_data();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assumed_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glowdust` (lib) due to 6 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "63420e582a5612f90f3436b718f4ffdfbecebafd0248c22e8c6b2790d2995ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63420e582a5612f90f3436b718f4ffdfbecebafd0248c22e8c6b2790d2995ee9", kill_on_drop: false }`
[INFO] [stdout] 63420e582a5612f90f3436b718f4ffdfbecebafd0248c22e8c6b2790d2995ee9
