[INFO] fetching crate jk-tui-base 0.0.1...
[INFO] checking jk-tui-base-0.0.1 against 1.95.0 for pr-155915
[INFO] extracting crate jk-tui-base 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate jk-tui-base 0.0.1
[INFO] finished tweaking crates.io crate jk-tui-base 0.0.1
[INFO] tweaked toml for crates.io crate jk-tui-base 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jk-tui-base 0.0.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding crossterm v0.26.1 (available: v0.29.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.5
[INFO] [stderr]   Downloaded cassowary v0.3.0
[INFO] [stderr]   Downloaded signal-hook v0.3.18
[INFO] [stderr]   Downloaded crossterm v0.25.0
[INFO] [stderr]   Downloaded mio v0.8.11
[INFO] [stderr]   Downloaded crossterm v0.26.1
[INFO] [stderr]   Downloaded tui v0.19.0
[INFO] [stderr]   Downloaded unicode-width v0.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfd88f796f12f33ec7fe21fd4da9834cf79856ffe6327d5b0913cc5cd86ddbce
[INFO] running `Command { std: "docker" "start" "-a" "bfd88f796f12f33ec7fe21fd4da9834cf79856ffe6327d5b0913cc5cd86ddbce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfd88f796f12f33ec7fe21fd4da9834cf79856ffe6327d5b0913cc5cd86ddbce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd88f796f12f33ec7fe21fd4da9834cf79856ffe6327d5b0913cc5cd86ddbce", kill_on_drop: false }`
[INFO] [stdout] bfd88f796f12f33ec7fe21fd4da9834cf79856ffe6327d5b0913cc5cd86ddbce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1403b2c6bc244a9c0dd3a17ea75e188627de87bd5daaf7ba471757d505e2f440
[INFO] running `Command { std: "docker" "start" "-a" "1403b2c6bc244a9c0dd3a17ea75e188627de87bd5daaf7ba471757d505e2f440", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.13.2
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking tui v0.19.0
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking jk-tui-base 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(trait_alias)]
[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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trait_alias)]
[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 `jk-tui-base` (lib test) 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] [stderr] error: could not compile `jk-tui-base` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1403b2c6bc244a9c0dd3a17ea75e188627de87bd5daaf7ba471757d505e2f440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1403b2c6bc244a9c0dd3a17ea75e188627de87bd5daaf7ba471757d505e2f440", kill_on_drop: false }`
[INFO] [stdout] 1403b2c6bc244a9c0dd3a17ea75e188627de87bd5daaf7ba471757d505e2f440
