[INFO] fetching crate updatehashdb 0.1.0...
[INFO] testing updatehashdb-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate updatehashdb 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate updatehashdb 0.1.0
[INFO] finished tweaking crates.io crate updatehashdb 0.1.0
[INFO] tweaked toml for crates.io crate updatehashdb 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate updatehashdb 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate updatehashdb 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a57c9fb577fd6b29f68e4a36029106b7db4d263a4a6d83e5092c04b77f7f8590
[INFO] running `Command { std: "docker" "start" "-a" "a57c9fb577fd6b29f68e4a36029106b7db4d263a4a6d83e5092c04b77f7f8590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a57c9fb577fd6b29f68e4a36029106b7db4d263a4a6d83e5092c04b77f7f8590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57c9fb577fd6b29f68e4a36029106b7db4d263a4a6d83e5092c04b77f7f8590", kill_on_drop: false }`
[INFO] [stdout] a57c9fb577fd6b29f68e4a36029106b7db4d263a4a6d83e5092c04b77f7f8590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa2888884d3c5b9a5005c125619c75582d7bc906926f6ce4ba6d5766740f813e
[INFO] running `Command { std: "docker" "start" "-a" "fa2888884d3c5b9a5005c125619c75582d7bc906926f6ce4ba6d5766740f813e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling gimli v0.27.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling object v0.30.4
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling clap_builder v4.3.1
[INFO] [stderr]    Compiling libhashfindutils v0.1.0
[INFO] [stderr]    Compiling clap v4.3.2
[INFO] [stderr]    Compiling updatehashdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/main.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | #![feature(file_create_new)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `file_create_new` has been stable since 1.77.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/main.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | #![feature(file_create_new)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` 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 `updatehashdb` (bin "updatehashdb") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fa2888884d3c5b9a5005c125619c75582d7bc906926f6ce4ba6d5766740f813e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2888884d3c5b9a5005c125619c75582d7bc906926f6ce4ba6d5766740f813e", kill_on_drop: false }`
[INFO] [stdout] fa2888884d3c5b9a5005c125619c75582d7bc906926f6ce4ba6d5766740f813e
