[INFO] fetching crate range_bounds_map 0.3.2...
[INFO] testing range_bounds_map-0.3.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate range_bounds_map 0.3.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate range_bounds_map 0.3.2 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 range_bounds_map 0.3.2
[INFO] finished tweaking crates.io crate range_bounds_map 0.3.2
[INFO] tweaked toml for crates.io crate range_bounds_map 0.3.2 written to /workspace/builds/worker-5-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 btree_monstrousity v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 79b9d705f4fabffefc82d70e4fe48b722e8b60c984ccb5ccd9d03c718bd0c242
[INFO] running `Command { std: "docker" "start" "-a" "79b9d705f4fabffefc82d70e4fe48b722e8b60c984ccb5ccd9d03c718bd0c242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79b9d705f4fabffefc82d70e4fe48b722e8b60c984ccb5ccd9d03c718bd0c242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b9d705f4fabffefc82d70e4fe48b722e8b60c984ccb5ccd9d03c718bd0c242", kill_on_drop: false }`
[INFO] [stdout] 79b9d705f4fabffefc82d70e4fe48b722e8b60c984ccb5ccd9d03c718bd0c242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ff17e836e851092df30396b28942e0c9ef299dc32804d467c49ee450740ab162
[INFO] running `Command { std: "docker" "start" "-a" "ff17e836e851092df30396b28942e0c9ef299dc32804d467c49ee450740ab162", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling btree_monstrousity v0.0.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling range_bounds_map v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:220:1
[INFO] [stdout]     |
[INFO] [stdout] 220 | #![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:221:1
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![feature(btree_cursors)]
[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:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![feature(btree_cursors)]
[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 `range_bounds_map` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "ff17e836e851092df30396b28942e0c9ef299dc32804d467c49ee450740ab162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff17e836e851092df30396b28942e0c9ef299dc32804d467c49ee450740ab162", kill_on_drop: false }`
[INFO] [stdout] ff17e836e851092df30396b28942e0c9ef299dc32804d467c49ee450740ab162
[INFO] testing range_bounds_map-0.3.2 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate range_bounds_map 0.3.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate range_bounds_map 0.3.2 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 range_bounds_map 0.3.2
[INFO] finished tweaking crates.io crate range_bounds_map 0.3.2
[INFO] tweaked toml for crates.io crate range_bounds_map 0.3.2 written to /workspace/builds/worker-5-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f0a60a7223b638a777543055ef0d26bf03e8cc1f47104715bf5ef62040dfb02a
[INFO] running `Command { std: "docker" "start" "-a" "f0a60a7223b638a777543055ef0d26bf03e8cc1f47104715bf5ef62040dfb02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0a60a7223b638a777543055ef0d26bf03e8cc1f47104715bf5ef62040dfb02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a60a7223b638a777543055ef0d26bf03e8cc1f47104715bf5ef62040dfb02a", kill_on_drop: false }`
[INFO] [stdout] f0a60a7223b638a777543055ef0d26bf03e8cc1f47104715bf5ef62040dfb02a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 77c1e1d0d1d02f86ddde31dde2637acb5a54c647471d5274e46c0d4d47ee5434
[INFO] running `Command { std: "docker" "start" "-a" "77c1e1d0d1d02f86ddde31dde2637acb5a54c647471d5274e46c0d4d47ee5434", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling btree_monstrousity v0.0.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling range_bounds_map v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:220:1
[INFO] [stdout]     |
[INFO] [stdout] 220 | #![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:221:1
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![feature(btree_cursors)]
[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:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![feature(btree_cursors)]
[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 `range_bounds_map` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "77c1e1d0d1d02f86ddde31dde2637acb5a54c647471d5274e46c0d4d47ee5434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c1e1d0d1d02f86ddde31dde2637acb5a54c647471d5274e46c0d4d47ee5434", kill_on_drop: false }`
[INFO] [stdout] 77c1e1d0d1d02f86ddde31dde2637acb5a54c647471d5274e46c0d4d47ee5434
