[INFO] fetching crate newsie 0.1.1...
[INFO] testing newsie-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate newsie 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate newsie 0.1.1
[INFO] finished tweaking crates.io crate newsie 0.1.1
[INFO] tweaked toml for crates.io crate newsie 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate newsie 0.1.1 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 newsie 0.1.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bumpalo v3.13.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.57
[INFO] [stderr]   Downloaded itoa v1.0.8
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded ryu v1.0.14
[INFO] [stderr]   Downloaded serde_derive v1.0.171
[INFO] [stderr]   Downloaded serde v1.0.171
[INFO] [stderr]   Downloaded base64 v0.21.2
[INFO] [stderr]   Downloaded ureq v2.7.1
[INFO] [stderr]   Downloaded log v0.4.19
[INFO] [stderr]   Downloaded ratatui v0.21.0
[INFO] [stderr]   Downloaded serde_json v1.0.102
[INFO] [stderr]   Downloaded chrono v0.4.26
[INFO] [stderr]   Downloaded syn v2.0.25
[INFO] [stderr]   Downloaded rustls v0.21.5
[INFO] [stderr]   Downloaded rustls-webpki v0.101.1
[INFO] [stderr]   Downloaded webpki-roots v0.23.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.63
[INFO] [stderr]   Downloaded unicode-ident v1.0.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fda5164f1a1784141c3d82a5f85e2cd46fd7b2f61b2d3610608559c0fa698fef
[INFO] running `Command { std: "docker" "start" "-a" "fda5164f1a1784141c3d82a5f85e2cd46fd7b2f61b2d3610608559c0fa698fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fda5164f1a1784141c3d82a5f85e2cd46fd7b2f61b2d3610608559c0fa698fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda5164f1a1784141c3d82a5f85e2cd46fd7b2f61b2d3610608559c0fa698fef", kill_on_drop: false }`
[INFO] [stdout] fda5164f1a1784141c3d82a5f85e2cd46fd7b2f61b2d3610608559c0fa698fef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 613fc464454809279640cd623cf623dbc28de219598815546bfb0a8056244498
[INFO] running `Command { std: "docker" "start" "-a" "613fc464454809279640cd623cf623dbc28de219598815546bfb0a8056244498", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rustls v0.21.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling ryu v1.0.14
[INFO] [stderr]    Compiling itoa v1.0.8
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling base64 v0.21.2
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling directories v5.0.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling url v2.4.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.26.1
[INFO] [stderr]    Compiling ratatui v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling rustls-webpki v0.101.1
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling rustls-webpki v0.100.1
[INFO] [stderr]    Compiling webpki-roots v0.23.1
[INFO] [stderr]    Compiling ureq v2.7.1
[INFO] [stderr]    Compiling newsie v0.1.1 (/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(iter_intersperse)]
[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 `newsie` (bin "newsie") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "613fc464454809279640cd623cf623dbc28de219598815546bfb0a8056244498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "613fc464454809279640cd623cf623dbc28de219598815546bfb0a8056244498", kill_on_drop: false }`
[INFO] [stdout] 613fc464454809279640cd623cf623dbc28de219598815546bfb0a8056244498
