[INFO] fetching crate tuifw-window 0.26.0...
[INFO] testing tuifw-window-0.26.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate tuifw-window 0.26.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tuifw-window 0.26.0
[INFO] finished tweaking crates.io crate tuifw-window 0.26.0
[INFO] tweaked toml for crates.io crate tuifw-window 0.26.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tuifw-window 0.26.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to highest compatible versions
[INFO] [stderr]       Adding downcast-rs v1.2.1 (available: v2.0.2)
[INFO] [stderr]       Adding dynamic-cast v0.1.7 (available: v0.2.0)
[INFO] [stderr]       Adding panicking v0.5.0 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d099abe6b50f33714b7a4a59effec027bc7df7133e6b0b3643fffe31bfe85d01
[INFO] running `Command { std: "docker" "start" "d099abe6b50f33714b7a4a59effec027bc7df7133e6b0b3643fffe31bfe85d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d099abe6b50f33714b7a4a59effec027bc7df7133e6b0b3643fffe31bfe85d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d099abe6b50f33714b7a4a59effec027bc7df7133e6b0b3643fffe31bfe85d01" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d099abe6b50f33714b7a4a59effec027bc7df7133e6b0b3643fffe31bfe85d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d099abe6b50f33714b7a4a59effec027bc7df7133e6b0b3643fffe31bfe85d01" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.26
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling find-msvc-tools v0.1.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling panicking v0.7.0
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling const-default v1.0.0
[INFO] [stderr]    Compiling macro-attr-2018 v3.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling enum-derive-2018 v3.0.2
[INFO] [stderr]    Compiling components-arena-traits v1.2.0
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling generics v0.5.3
[INFO] [stderr]    Compiling arraybox v0.1.4
[INFO] [stderr]    Compiling iter-identify_first_last v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arraybox-0.1.4/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_metadata)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling int-vec-2d v0.1.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/iter-identify_first_last-0.2.3/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(trusted_len))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arraybox` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/int-vec-2d-0.1.5/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_advance_by)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iter-identify_first_last` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `int-vec-2d` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d099abe6b50f33714b7a4a59effec027bc7df7133e6b0b3643fffe31bfe85d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d099abe6b50f33714b7a4a59effec027bc7df7133e6b0b3643fffe31bfe85d01", kill_on_drop: false }`
[INFO] [stdout] d099abe6b50f33714b7a4a59effec027bc7df7133e6b0b3643fffe31bfe85d01
