[INFO] fetching crate nb-to-query 0.1.0...
[INFO] testing nb-to-query-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate nb-to-query 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate nb-to-query 0.1.0 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 nb-to-query 0.1.0
[INFO] finished tweaking crates.io crate nb-to-query 0.1.0
[INFO] tweaked toml for crates.io crate nb-to-query 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nb-to-query-derive v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7223638eefef88d5f933297a7225f22463a645f2f9f30ce325b59af005a7777e
[INFO] running `Command { std: "docker" "start" "-a" "7223638eefef88d5f933297a7225f22463a645f2f9f30ce325b59af005a7777e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7223638eefef88d5f933297a7225f22463a645f2f9f30ce325b59af005a7777e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7223638eefef88d5f933297a7225f22463a645f2f9f30ce325b59af005a7777e", kill_on_drop: false }`
[INFO] [stdout] 7223638eefef88d5f933297a7225f22463a645f2f9f30ce325b59af005a7777e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cbc7d9a474330859f3fea21921105dda273ff4d81bc5589f3eac21cd25d99d6f
[INFO] running `Command { std: "docker" "start" "-a" "cbc7d9a474330859f3fea21921105dda273ff4d81bc5589f3eac21cd25d99d6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb-to-query-derive v0.1.1
[INFO] [stderr]    Compiling nb-to-query v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `nb-to-query` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "cbc7d9a474330859f3fea21921105dda273ff4d81bc5589f3eac21cd25d99d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc7d9a474330859f3fea21921105dda273ff4d81bc5589f3eac21cd25d99d6f", kill_on_drop: false }`
[INFO] [stdout] cbc7d9a474330859f3fea21921105dda273ff4d81bc5589f3eac21cd25d99d6f
[INFO] testing nb-to-query-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate nb-to-query 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate nb-to-query 0.1.0 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 nb-to-query 0.1.0
[INFO] finished tweaking crates.io crate nb-to-query 0.1.0
[INFO] tweaked toml for crates.io crate nb-to-query 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] db2b338d30e1f1e092600af78a9eb275d8ed1bb75cea9456bb8c450b623d1c28
[INFO] running `Command { std: "docker" "start" "-a" "db2b338d30e1f1e092600af78a9eb275d8ed1bb75cea9456bb8c450b623d1c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2b338d30e1f1e092600af78a9eb275d8ed1bb75cea9456bb8c450b623d1c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2b338d30e1f1e092600af78a9eb275d8ed1bb75cea9456bb8c450b623d1c28", kill_on_drop: false }`
[INFO] [stdout] db2b338d30e1f1e092600af78a9eb275d8ed1bb75cea9456bb8c450b623d1c28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e37f1737a8f0dbc9fc88b92de91cad73c3aee0751c6b142b28ac840bafb37d7c
[INFO] running `Command { std: "docker" "start" "-a" "e37f1737a8f0dbc9fc88b92de91cad73c3aee0751c6b142b28ac840bafb37d7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb-to-query-derive v0.1.1
[INFO] [stderr]    Compiling nb-to-query v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[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 `nb-to-query` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e37f1737a8f0dbc9fc88b92de91cad73c3aee0751c6b142b28ac840bafb37d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37f1737a8f0dbc9fc88b92de91cad73c3aee0751c6b142b28ac840bafb37d7c", kill_on_drop: false }`
[INFO] [stdout] e37f1737a8f0dbc9fc88b92de91cad73c3aee0751c6b142b28ac840bafb37d7c
