[INFO] fetching crate t3 0.0.4...
[INFO] testing t3-0.0.4 against 1.76.0 for beta-1.77-1
[INFO] extracting crate t3 0.0.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate t3 0.0.4 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate t3 0.0.4
[INFO] finished tweaking crates.io crate t3 0.0.4
[INFO] tweaked toml for crates.io crate t3 0.0.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nu-ansi-term v0.50.0
[INFO] [stderr]   Downloaded loginit v0.1.10
[INFO] [stderr]   Downloaded tracing-stackdriver v0.8.0
[INFO] [stderr]   Downloaded envport v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e61c4ac701192afc7e4061c0a15be188601e7b327f1f3aaf7b91ff5c81c9c496
[INFO] running `Command { std: "docker" "start" "-a" "e61c4ac701192afc7e4061c0a15be188601e7b327f1f3aaf7b91ff5c81c9c496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e61c4ac701192afc7e4061c0a15be188601e7b327f1f3aaf7b91ff5c81c9c496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e61c4ac701192afc7e4061c0a15be188601e7b327f1f3aaf7b91ff5c81c9c496", kill_on_drop: false }`
[INFO] [stdout] e61c4ac701192afc7e4061c0a15be188601e7b327f1f3aaf7b91ff5c81c9c496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] facb4ad334a0f3fc2c033d0446d5bba925b91dd721a9f3814d7ff88290250583
[INFO] running `Command { std: "docker" "start" "-a" "facb4ad334a0f3fc2c033d0446d5bba925b91dd721a9f3814d7ff88290250583", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling zstd-safe v7.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling brotli-decompressor v2.5.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling http-range-header v0.3.1
[INFO] [stderr]    Compiling nu-ansi-term v0.50.0
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling envport v0.1.0
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling brotli v3.4.0
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling serde_path_to_error v0.1.15
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling prost-derive v0.12.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling pin-project v1.1.4
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling prost v0.12.3
[INFO] [stderr]    Compiling zstd v0.13.0
[INFO] [stderr]    Compiling async-compression v0.4.6
[INFO] [stderr]    Compiling loginit v0.1.10
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling tower-http v0.4.4
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling t3 v0.0.4 (/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(min_specialization)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(type_alias_impl_trait)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(impl_trait_in_assoc_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `t3` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "facb4ad334a0f3fc2c033d0446d5bba925b91dd721a9f3814d7ff88290250583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "facb4ad334a0f3fc2c033d0446d5bba925b91dd721a9f3814d7ff88290250583", kill_on_drop: false }`
[INFO] [stdout] facb4ad334a0f3fc2c033d0446d5bba925b91dd721a9f3814d7ff88290250583
[INFO] testing t3-0.0.4 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate t3 0.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate t3 0.0.4 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate t3 0.0.4
[INFO] finished tweaking crates.io crate t3 0.0.4
[INFO] tweaked toml for crates.io crate t3 0.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87a3d8279c7be1a88e8c6f0b495a7f3e028153ed97b17907e67231b99cd18950
[INFO] running `Command { std: "docker" "start" "-a" "87a3d8279c7be1a88e8c6f0b495a7f3e028153ed97b17907e67231b99cd18950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87a3d8279c7be1a88e8c6f0b495a7f3e028153ed97b17907e67231b99cd18950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a3d8279c7be1a88e8c6f0b495a7f3e028153ed97b17907e67231b99cd18950", kill_on_drop: false }`
[INFO] [stdout] 87a3d8279c7be1a88e8c6f0b495a7f3e028153ed97b17907e67231b99cd18950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 937e158561311aa8384804b1d0b9b24aa4380851506b88549c7b7db65057adec
[INFO] running `Command { std: "docker" "start" "-a" "937e158561311aa8384804b1d0b9b24aa4380851506b88549c7b7db65057adec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling zstd-safe v7.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling brotli-decompressor v2.5.1
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling nu-ansi-term v0.50.0
[INFO] [stderr]    Compiling http-range-header v0.3.1
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling envport v0.1.0
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling brotli v3.4.0
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling serde_path_to_error v0.1.15
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling prost-derive v0.12.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling pin-project v1.1.4
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling prost v0.12.3
[INFO] [stderr]    Compiling zstd v0.13.0
[INFO] [stderr]    Compiling async-compression v0.4.6
[INFO] [stderr]    Compiling loginit v0.1.10
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tower-http v0.4.4
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling t3 v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(impl_trait_in_assoc_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `t3` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "937e158561311aa8384804b1d0b9b24aa4380851506b88549c7b7db65057adec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937e158561311aa8384804b1d0b9b24aa4380851506b88549c7b7db65057adec", kill_on_drop: false }`
[INFO] [stdout] 937e158561311aa8384804b1d0b9b24aa4380851506b88549c7b7db65057adec
