[INFO] fetching crate tuifw-screen-dos 0.26.0...
[INFO] testing tuifw-screen-dos-0.26.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tuifw-screen-dos 0.26.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tuifw-screen-dos 0.26.0
[INFO] finished tweaking crates.io crate tuifw-screen-dos 0.26.0
[INFO] tweaked toml for crates.io crate tuifw-screen-dos 0.26.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tuifw-screen-dos 0.26.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tuifw-screen-base v0.26.0
[INFO] [stderr]   Downloaded pc-ints v0.3.6
[INFO] [stderr]   Downloaded exit-no-std v0.2.1
[INFO] [stderr]   Downloaded iter-identify_first_last v0.2.3
[INFO] [stderr]   Downloaded panicking v0.5.0
[INFO] [stderr]   Downloaded enum-derive-2018 v3.0.2
[INFO] [stderr]   Downloaded errno-sys v0.2.0
[INFO] [stderr]   Downloaded const-default-derive v0.2.0
[INFO] [stderr]   Downloaded errno-no-std v0.2.2
[INFO] [stderr]   Downloaded macro-attr-2018 v3.0.1
[INFO] [stderr]   Downloaded const-default v1.0.0
[INFO] [stderr]   Downloaded print-no-std v0.2.1
[INFO] [stderr]   Downloaded widestring v1.2.1
[INFO] [stderr]   Downloaded dos-cp v0.7.0
[INFO] [stderr]   Downloaded composable-allocators v0.3.4
[INFO] [stderr]   Downloaded sync-no-std v0.1.3
[INFO] [stderr]   Downloaded int-vec-2d v0.1.5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30095794f7ee1bfdf5361112b9726acdfc9ef313e0a532253a37dc4db420bd61
[INFO] running `Command { std: "docker" "start" "-a" "30095794f7ee1bfdf5361112b9726acdfc9ef313e0a532253a37dc4db420bd61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30095794f7ee1bfdf5361112b9726acdfc9ef313e0a532253a37dc4db420bd61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30095794f7ee1bfdf5361112b9726acdfc9ef313e0a532253a37dc4db420bd61", kill_on_drop: false }`
[INFO] [stdout] 30095794f7ee1bfdf5361112b9726acdfc9ef313e0a532253a37dc4db420bd61
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79d7428fb5a90d7cdce8385d1c59fa79df0e67972d08092f7f47daa1ad057ef7
[INFO] running `Command { std: "docker" "start" "-a" "79d7428fb5a90d7cdce8385d1c59fa79df0e67972d08092f7f47daa1ad057ef7", kill_on_drop: false }`
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling macro-attr-2018 v3.0.1
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling const-default v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling errno-sys v0.2.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling pc-ints v0.3.6
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling panicking v0.5.0
[INFO] [stderr]    Compiling enum-derive-2018 v3.0.2
[INFO] [stderr]    Compiling iter-identify_first_last v0.2.3
[INFO] [stderr]    Compiling int-vec-2d v0.1.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/int-vec-2d-0.1.5/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/int-vec-2d-0.1.5/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(trusted_len)]
[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 `int-vec-2d` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "79d7428fb5a90d7cdce8385d1c59fa79df0e67972d08092f7f47daa1ad057ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d7428fb5a90d7cdce8385d1c59fa79df0e67972d08092f7f47daa1ad057ef7", kill_on_drop: false }`
[INFO] [stdout] 79d7428fb5a90d7cdce8385d1c59fa79df0e67972d08092f7f47daa1ad057ef7