[INFO] fetching crate memedsn 0.1.0...
[INFO] testing memedsn-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate memedsn 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate memedsn 0.1.0
[INFO] finished tweaking crates.io crate memedsn 0.1.0
[INFO] tweaked toml for crates.io crate memedsn 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate memedsn 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 57 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding strum v0.24.1 (available: v0.27.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded auto_ops v0.3.0
[INFO] [stderr]   Downloaded rust-dense-bitset v0.1.1
[INFO] [stderr]   Downloaded memegeom v0.1.0
[INFO] [stderr]   Downloaded earcutr v0.2.0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fad2269e7dc3edbeb83852d85e80f5bb3e3b45dacd992769d17ae6daa4704e62
[INFO] running `Command { std: "docker" "start" "-a" "fad2269e7dc3edbeb83852d85e80f5bb3e3b45dacd992769d17ae6daa4704e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fad2269e7dc3edbeb83852d85e80f5bb3e3b45dacd992769d17ae6daa4704e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad2269e7dc3edbeb83852d85e80f5bb3e3b45dacd992769d17ae6daa4704e62", kill_on_drop: false }`
[INFO] [stdout] fad2269e7dc3edbeb83852d85e80f5bb3e3b45dacd992769d17ae6daa4704e62
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 906b150c299b2e5187681ca5332cf738248cecc149703d7b2d1374152714ed5b
[INFO] running `Command { std: "docker" "start" "-a" "906b150c299b2e5187681ca5332cf738248cecc149703d7b2d1374152714ed5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling rust-dense-bitset v0.1.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling auto_ops v0.3.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling earcutr v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling simba v0.7.3
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling nalgebra v0.30.1
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling memegeom v0.1.0
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/memegeom-0.1.0/src/lib.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![feature(array_chunks, array_windows, drain_filter)]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<IntersectData>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/memegeom-0.1.0/src/geom/qt/quadtree.rs:361:39
[INFO] [stdout]     |
[INFO] [stdout] 361 |             self.nodes[idx].intersect.drain_filter(|v| v.tests >= TEST_THRESHOLD).collect();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ method not found in `Vec<IntersectData>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memegeom` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "906b150c299b2e5187681ca5332cf738248cecc149703d7b2d1374152714ed5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906b150c299b2e5187681ca5332cf738248cecc149703d7b2d1374152714ed5b", kill_on_drop: false }`
[INFO] [stdout] 906b150c299b2e5187681ca5332cf738248cecc149703d7b2d1374152714ed5b