[INFO] cloning repository https://github.com/pixelshot91/birdwatcher-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pixelshot91/birdwatcher-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixelshot91%2Fbirdwatcher-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixelshot91%2Fbirdwatcher-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f91bdd1309d85e3cd5a0b2b21701f75ca7973e2
[INFO] checking pixelshot91/birdwatcher-rs/6f91bdd1309d85e3cd5a0b2b21701f75ca7973e2 against 1.94.0 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixelshot91%2Fbirdwatcher-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/pixelshot91/birdwatcher-rs
[INFO] finished tweaking git repo https://github.com/pixelshot91/birdwatcher-rs
[INFO] tweaked toml for git repo https://github.com/pixelshot91/birdwatcher-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pixelshot91/birdwatcher-rs on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pixelshot91/birdwatcher-rs 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-serde v0.9.0
[INFO] [stderr]   Downloaded prost v0.14.3
[INFO] [stderr]   Downloaded educe v0.5.11
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[INFO] [stderr]   Downloaded rustc-demangle v0.1.27
[INFO] [stderr]   Downloaded opentelemetry-appender-tracing v0.31.1
[INFO] [stderr]   Downloaded tonic v0.14.5
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[INFO] [stderr]   Downloaded tarpc v0.37.0
[INFO] [stderr]   Downloaded tarpc-plugins v0.14.1
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.32.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11b5fb58b9b3e06d0ec7ac93c5cf327454518dbf5db47774f475e54013b69586
[INFO] running `Command { std: "docker" "start" "-a" "11b5fb58b9b3e06d0ec7ac93c5cf327454518dbf5db47774f475e54013b69586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11b5fb58b9b3e06d0ec7ac93c5cf327454518dbf5db47774f475e54013b69586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b5fb58b9b3e06d0ec7ac93c5cf327454518dbf5db47774f475e54013b69586", kill_on_drop: false }`
[INFO] [stdout] 11b5fb58b9b3e06d0ec7ac93c5cf327454518dbf5db47774f475e54013b69586
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beb6b44348d4848801f9945c21396dfd92106f8ddae1abee8e88fb5d0c85aec7
[INFO] running `Command { std: "docker" "start" "-a" "beb6b44348d4848801f9945c21396dfd92106f8ddae1abee8e88fb5d0c85aec7", kill_on_drop: false }`
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[INFO] [stderr]     Checking birdwatcher-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/birdwatcher-daemon.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/birdwatcher-daemon.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[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 `birdwatcher-rs` (bin "birdwatcher-daemon" 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 `birdwatcher-rs` (bin "birdwatcher-daemon") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "beb6b44348d4848801f9945c21396dfd92106f8ddae1abee8e88fb5d0c85aec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb6b44348d4848801f9945c21396dfd92106f8ddae1abee8e88fb5d0c85aec7", kill_on_drop: false }`
[INFO] [stdout] beb6b44348d4848801f9945c21396dfd92106f8ddae1abee8e88fb5d0c85aec7
