[INFO] fetching crate thetadb 0.0.2...
[INFO] testing thetadb-0.0.2 against 1.76.0 for beta-1.77-1
[INFO] extracting crate thetadb 0.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate thetadb 0.0.2 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 thetadb 0.0.2
[INFO] finished tweaking crates.io crate thetadb 0.0.2
[INFO] tweaked toml for crates.io crate thetadb 0.0.2 written to /workspace/builds/worker-1-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 50dbfa1dfe222b671f71a7e235fc9fd89cd8795063863bc6ffeb4fed314bf594
[INFO] running `Command { std: "docker" "start" "-a" "50dbfa1dfe222b671f71a7e235fc9fd89cd8795063863bc6ffeb4fed314bf594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50dbfa1dfe222b671f71a7e235fc9fd89cd8795063863bc6ffeb4fed314bf594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50dbfa1dfe222b671f71a7e235fc9fd89cd8795063863bc6ffeb4fed314bf594", kill_on_drop: false }`
[INFO] [stdout] 50dbfa1dfe222b671f71a7e235fc9fd89cd8795063863bc6ffeb4fed314bf594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fb3d07bf4c4a53be22f45ebce0ac806bf70d02044a1ef51eab18071263ca7b4d
[INFO] running `Command { std: "docker" "start" "-a" "fb3d07bf4c4a53be22f45ebce0ac806bf70d02044a1ef51eab18071263ca7b4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling thetadb v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:217:1
[INFO] [stdout]     |
[INFO] [stdout] 217 | #![feature(let_chains)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thetadb` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fb3d07bf4c4a53be22f45ebce0ac806bf70d02044a1ef51eab18071263ca7b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb3d07bf4c4a53be22f45ebce0ac806bf70d02044a1ef51eab18071263ca7b4d", kill_on_drop: false }`
[INFO] [stdout] fb3d07bf4c4a53be22f45ebce0ac806bf70d02044a1ef51eab18071263ca7b4d
[INFO] testing thetadb-0.0.2 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate thetadb 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate thetadb 0.0.2 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 thetadb 0.0.2
[INFO] finished tweaking crates.io crate thetadb 0.0.2
[INFO] tweaked toml for crates.io crate thetadb 0.0.2 written to /workspace/builds/worker-1-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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4f9e0d41e78129676c50ad8ab4a3cc0b76c6d10d5cdee1a6c8a29e158b38b081
[INFO] running `Command { std: "docker" "start" "-a" "4f9e0d41e78129676c50ad8ab4a3cc0b76c6d10d5cdee1a6c8a29e158b38b081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f9e0d41e78129676c50ad8ab4a3cc0b76c6d10d5cdee1a6c8a29e158b38b081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9e0d41e78129676c50ad8ab4a3cc0b76c6d10d5cdee1a6c8a29e158b38b081", kill_on_drop: false }`
[INFO] [stdout] 4f9e0d41e78129676c50ad8ab4a3cc0b76c6d10d5cdee1a6c8a29e158b38b081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e6474a0ac7204c4ba5d7d347a96249159a578f741590671cfb3380a648475aad
[INFO] running `Command { std: "docker" "start" "-a" "e6474a0ac7204c4ba5d7d347a96249159a578f741590671cfb3380a648475aad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling thetadb v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:217:1
[INFO] [stdout]     |
[INFO] [stdout] 217 | #![feature(let_chains)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thetadb` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e6474a0ac7204c4ba5d7d347a96249159a578f741590671cfb3380a648475aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6474a0ac7204c4ba5d7d347a96249159a578f741590671cfb3380a648475aad", kill_on_drop: false }`
[INFO] [stdout] e6474a0ac7204c4ba5d7d347a96249159a578f741590671cfb3380a648475aad
