[INFO] fetching crate range_bounds_map 0.3.3...
[INFO] building range_bounds_map-0.3.3 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate range_bounds_map 0.3.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate range_bounds_map 0.3.3
[INFO] finished tweaking crates.io crate range_bounds_map 0.3.3
[INFO] tweaked toml for crates.io crate range_bounds_map 0.3.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate range_bounds_map 0.3.3 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding btree_monstrousity v0.0.4 (available: v0.0.5)
[INFO] [stderr]       Adding ordered-float v3.9.2 (available: v5.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33cb0efff568b4f702cab1971e21834c4d91f32f9a465b139cc7323405555916
[INFO] running `Command { std: "docker" "start" "-a" "33cb0efff568b4f702cab1971e21834c4d91f32f9a465b139cc7323405555916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33cb0efff568b4f702cab1971e21834c4d91f32f9a465b139cc7323405555916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33cb0efff568b4f702cab1971e21834c4d91f32f9a465b139cc7323405555916", kill_on_drop: false }`
[INFO] [stdout] 33cb0efff568b4f702cab1971e21834c4d91f32f9a465b139cc7323405555916
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 660fc2e0f6b224ffec5403696fbfe9422c496d61dcbbc970f299f69ddd0ce68b
[INFO] running `Command { std: "docker" "start" "-a" "660fc2e0f6b224ffec5403696fbfe9422c496d61dcbbc970f299f69ddd0ce68b", kill_on_drop: false }`
[INFO] [stderr]    Compiling btree_monstrousity v0.0.4
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/btree_monstrousity-0.0.4/src/polyfill.rs:300:25
[INFO] [stdout]     |
[INFO] [stdout] 300 |             self.iter().is_sorted_by(|a, b| compare(*a, *b))
[INFO] [stdout]     |                         ^^^^^^^^^^^^ multiple `is_sorted_by` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `IterIsSorted` for the type `I`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/btree_monstrousity-0.0.4/src/polyfill.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 | /         fn is_sorted_by<F>(mut self, compare: F) -> bool
[INFO] [stdout] 308 | |         where
[INFO] [stdout] 309 | |             F: FnMut(&I::Item, &I::Item) -> Option<Ordering>,
[INFO] [stdout]     | |_____________________________________________________________^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `core::slice::Iter<'a, T>`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 300 -             self.iter().is_sorted_by(|a, b| compare(*a, *b))
[INFO] [stdout] 300 +             IterIsSorted::is_sorted_by(self.iter(), |a, b| compare(*a, *b))
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 300 -             self.iter().is_sorted_by(|a, b| compare(*a, *b))
[INFO] [stdout] 300 +             Iterator::is_sorted_by(self.iter(), |a, b| compare(*a, *b))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `btree_monstrousity` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "660fc2e0f6b224ffec5403696fbfe9422c496d61dcbbc970f299f69ddd0ce68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660fc2e0f6b224ffec5403696fbfe9422c496d61dcbbc970f299f69ddd0ce68b", kill_on_drop: false }`
[INFO] [stdout] 660fc2e0f6b224ffec5403696fbfe9422c496d61dcbbc970f299f69ddd0ce68b