[INFO] fetching crate lineup 1.0.0...
[INFO] testing lineup-1.0.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate lineup 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate lineup 1.0.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lineup 1.0.0
[INFO] finished tweaking crates.io crate lineup 1.0.0
[INFO] tweaked toml for crates.io crate lineup 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate lineup 1.0.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.14.2
[INFO] [stderr]   Downloaded darling v0.14.2
[INFO] [stderr]   Downloaded os_str_bytes v6.4.0
[INFO] [stderr]   Downloaded darling_core v0.14.2
[INFO] [stderr]   Downloaded clap v4.0.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8a1fbfdf9555566c488cdcb1da1192ad2a22e399b960efd428073737e2c9a15
[INFO] running `Command { std: "docker" "start" "-a" "a8a1fbfdf9555566c488cdcb1da1192ad2a22e399b960efd428073737e2c9a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8a1fbfdf9555566c488cdcb1da1192ad2a22e399b960efd428073737e2c9a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a1fbfdf9555566c488cdcb1da1192ad2a22e399b960efd428073737e2c9a15", kill_on_drop: false }`
[INFO] [stdout] a8a1fbfdf9555566c488cdcb1da1192ad2a22e399b960efd428073737e2c9a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c66218b48646c281cd7b045c1eb0259d5ab59f26170f21f3f5caed7472fc19b
[INFO] running `Command { std: "docker" "start" "-a" "2c66218b48646c281cd7b045c1eb0259d5ab59f26170f21f3f5caed7472fc19b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling os_str_bytes v6.4.0
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling darling_core v0.14.2
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling darling_macro v0.14.2
[INFO] [stderr]    Compiling darling v0.14.2
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling clap v4.0.22
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]    Compiling derive_builder v0.11.2
[INFO] [stderr]    Compiling lineup v1.0.0 (/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(let_chains)]
[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: aborting due to 2 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 `lineup` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2c66218b48646c281cd7b045c1eb0259d5ab59f26170f21f3f5caed7472fc19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c66218b48646c281cd7b045c1eb0259d5ab59f26170f21f3f5caed7472fc19b", kill_on_drop: false }`
[INFO] [stdout] 2c66218b48646c281cd7b045c1eb0259d5ab59f26170f21f3f5caed7472fc19b
[INFO] testing lineup-1.0.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate lineup 1.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate lineup 1.0.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lineup 1.0.0
[INFO] finished tweaking crates.io crate lineup 1.0.0
[INFO] tweaked toml for crates.io crate lineup 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate lineup 1.0.0 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 791753c29daa3bbc8c6ba6493e4ae735b21b1e0b88c354659721959aa9ab00fe
[INFO] running `Command { std: "docker" "start" "-a" "791753c29daa3bbc8c6ba6493e4ae735b21b1e0b88c354659721959aa9ab00fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "791753c29daa3bbc8c6ba6493e4ae735b21b1e0b88c354659721959aa9ab00fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791753c29daa3bbc8c6ba6493e4ae735b21b1e0b88c354659721959aa9ab00fe", kill_on_drop: false }`
[INFO] [stdout] 791753c29daa3bbc8c6ba6493e4ae735b21b1e0b88c354659721959aa9ab00fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba36d4ee6a115b8d6f72b6a7baa9dc6fd5fcc75d009a45b3f41abe1c5113acab
[INFO] running `Command { std: "docker" "start" "-a" "ba36d4ee6a115b8d6f72b6a7baa9dc6fd5fcc75d009a45b3f41abe1c5113acab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling os_str_bytes v6.4.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling darling_core v0.14.2
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling darling_macro v0.14.2
[INFO] [stderr]    Compiling darling v0.14.2
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling clap v4.0.22
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]    Compiling derive_builder v0.11.2
[INFO] [stderr]    Compiling lineup v1.0.0 (/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(let_chains)]
[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: aborting due to 2 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 `lineup` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ba36d4ee6a115b8d6f72b6a7baa9dc6fd5fcc75d009a45b3f41abe1c5113acab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba36d4ee6a115b8d6f72b6a7baa9dc6fd5fcc75d009a45b3f41abe1c5113acab", kill_on_drop: false }`
[INFO] [stdout] ba36d4ee6a115b8d6f72b6a7baa9dc6fd5fcc75d009a45b3f41abe1c5113acab
