[INFO] fetching crate range-action-map 0.1.6...
[INFO] testing range-action-map-0.1.6 against 1.75.0 for beta-1.76-1
[INFO] extracting crate range-action-map 0.1.6 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate range-action-map 0.1.6 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-action-map 0.1.6
[INFO] finished tweaking crates.io crate range-action-map 0.1.6
[INFO] tweaked toml for crates.io crate range-action-map 0.1.6 written to /workspace/builds/worker-2-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] 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] 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] 821f1378e153881a138056ce5a64a3bbbc09268c448ce9b5ac13681bcdfa2f11
[INFO] running `Command { std: "docker" "start" "-a" "821f1378e153881a138056ce5a64a3bbbc09268c448ce9b5ac13681bcdfa2f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "821f1378e153881a138056ce5a64a3bbbc09268c448ce9b5ac13681bcdfa2f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821f1378e153881a138056ce5a64a3bbbc09268c448ce9b5ac13681bcdfa2f11", kill_on_drop: false }`
[INFO] [stdout] 821f1378e153881a138056ce5a64a3bbbc09268c448ce9b5ac13681bcdfa2f11
[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] 82fe560ea29510cac0bde45bebdb468d11dc3c7af44f7a32757dba397d7995e5
[INFO] running `Command { std: "docker" "start" "-a" "82fe560ea29510cac0bde45bebdb468d11dc3c7af44f7a32757dba397d7995e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling range-action-map v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | #![feature(btree_drain_filter)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `btree_drain_filter`
[INFO] [stdout]   --> src/lib.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | #![feature(btree_drain_filter)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `std::collections::BTreeMap` in the current scope
[INFO] [stdout]    --> src/lib.rs:264:14
[INFO] [stdout]     |
[INFO] [stdout] 262 |           let areas_to_be_modified: Vec<RangeArea<SegmentType>> = self
[INFO] [stdout]     |  _________________________________________________________________-
[INFO] [stdout] 263 | |             .segments
[INFO] [stdout] 264 | |             .drain_filter(|_, area| area.is_overlap_with(start, end))
[INFO] [stdout]     | |             -^^^^^^^^^^^^ method not found in `BTreeMap<usize, RangeArea<SegmentType>>`
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `std::collections::BTreeMap` in the current scope
[INFO] [stdout]    --> src/lib.rs:287:14
[INFO] [stdout]     |
[INFO] [stdout] 285 |           let areas_to_be_modified: Vec<RangeArea<SegmentType>> = self
[INFO] [stdout]     |  _________________________________________________________________-
[INFO] [stdout] 286 | |             .segments
[INFO] [stdout] 287 | |             .drain_filter(|_, area| area.is_overlap_with(start, end))
[INFO] [stdout]     | |             -^^^^^^^^^^^^ method not found in `BTreeMap<usize, RangeArea<SegmentType>>`
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `range-action-map` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "82fe560ea29510cac0bde45bebdb468d11dc3c7af44f7a32757dba397d7995e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82fe560ea29510cac0bde45bebdb468d11dc3c7af44f7a32757dba397d7995e5", kill_on_drop: false }`
[INFO] [stdout] 82fe560ea29510cac0bde45bebdb468d11dc3c7af44f7a32757dba397d7995e5
