[INFO] fetching crate tzst 0.1.20...
[INFO] testing tzst-0.1.20 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tzst 0.1.20 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate tzst 0.1.20
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tzst 0.1.20
[INFO] tweaked toml for crates.io crate tzst 0.1.20 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tzst 0.1.20 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 80 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 aok v0.1.18
[INFO] [stderr]   Downloaded gxhash v3.5.0
[INFO] [stderr]   Downloaded loginit v0.1.18
[INFO] [stderr]   Downloaded static_init_macro v1.0.4
[INFO] [stderr]   Downloaded static_init v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 21e677ef49cccb2ec6b60ae1de9730e9deab11456a63316c32e3dd2ced6067f4
[INFO] running `Command { std: "docker" "start" "-a" "21e677ef49cccb2ec6b60ae1de9730e9deab11456a63316c32e3dd2ced6067f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21e677ef49cccb2ec6b60ae1de9730e9deab11456a63316c32e3dd2ced6067f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e677ef49cccb2ec6b60ae1de9730e9deab11456a63316c32e3dd2ced6067f4", kill_on_drop: false }`
[INFO] [stdout] 21e677ef49cccb2ec6b60ae1de9730e9deab11456a63316c32e3dd2ced6067f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9a8a496b0f53410975a24f445be959c6f9fd9e2c79105b52dea9ae6f90565e35
[INFO] running `Command { std: "docker" "start" "-a" "9a8a496b0f53410975a24f445be959c6f9fd9e2c79105b52dea9ae6f90565e35", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling tzst v0.1.20 (/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(type_alias_impl_trait)]
[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 `tzst` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9a8a496b0f53410975a24f445be959c6f9fd9e2c79105b52dea9ae6f90565e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8a496b0f53410975a24f445be959c6f9fd9e2c79105b52dea9ae6f90565e35", kill_on_drop: false }`
[INFO] [stdout] 9a8a496b0f53410975a24f445be959c6f9fd9e2c79105b52dea9ae6f90565e35