[INFO] cloning repository https://github.com/nyawox/taildrop-notifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyawox/taildrop-notifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyawox%2Ftaildrop-notifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyawox%2Ftaildrop-notifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 530a263c455ed92ce24cd9029bc2aba61ec86c45
[INFO] testing nyawox/taildrop-notifier against 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyawox%2Ftaildrop-notifier" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nyawox/taildrop-notifier
[INFO] finished tweaking git repo https://github.com/nyawox/taildrop-notifier
[INFO] tweaked toml for git repo https://github.com/nyawox/taildrop-notifier written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nyawox/taildrop-notifier 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] crate git repo https://github.com/nyawox/taildrop-notifier 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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] 137cdcc1a9025bda3e591d537ad174b064717f02cbcfdfeb075f63bd2d436b6d
[INFO] running `Command { std: "docker" "start" "-a" "137cdcc1a9025bda3e591d537ad174b064717f02cbcfdfeb075f63bd2d436b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "137cdcc1a9025bda3e591d537ad174b064717f02cbcfdfeb075f63bd2d436b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "137cdcc1a9025bda3e591d537ad174b064717f02cbcfdfeb075f63bd2d436b6d", kill_on_drop: false }`
[INFO] [stdout] 137cdcc1a9025bda3e591d537ad174b064717f02cbcfdfeb075f63bd2d436b6d
[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] 558cd5fb58b1a82a6df9106fef239f52fbf04782f61f84ec61a9c71cc5e90f0f
[INFO] running `Command { std: "docker" "start" "-a" "558cd5fb58b1a82a6df9106fef239f52fbf04782f61f84ec61a9c71cc5e90f0f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.215
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[INFO] [stderr]    Compiling enumflags2_derive v0.7.10
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[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling tokio v1.41.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling polling v3.7.4
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling async-io v2.4.0
[INFO] [stderr]    Compiling clap v4.5.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling enumflags2 v0.7.10
[INFO] [stderr]    Compiling zvariant v4.2.0
[INFO] [stderr]    Compiling zbus_names v3.0.0
[INFO] [stderr]    Compiling zbus v4.4.0
[INFO] [stderr]    Compiling notify-rust v4.11.3
[INFO] [stderr]    Compiling taildrop-notifier v0.1.0 (/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(io_error_more)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(exit_status_error)]
[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 `taildrop-notifier` (bin "taildrop-notifier") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "558cd5fb58b1a82a6df9106fef239f52fbf04782f61f84ec61a9c71cc5e90f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558cd5fb58b1a82a6df9106fef239f52fbf04782f61f84ec61a9c71cc5e90f0f", kill_on_drop: false }`
[INFO] [stdout] 558cd5fb58b1a82a6df9106fef239f52fbf04782f61f84ec61a9c71cc5e90f0f