[INFO] fetching crate rs_malloc_tracker 1.0.1...
[INFO] testing rs_malloc_tracker-1.0.1 against 1.100.0-beta.1 for beta-1.100-4
[INFO] extracting crate rs_malloc_tracker 1.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rs_malloc_tracker 1.0.1
[INFO] finished tweaking crates.io crate rs_malloc_tracker 1.0.1
[INFO] tweaked toml for crates.io crate rs_malloc_tracker 1.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs_malloc_tracker 1.0.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rs_malloc_tracker 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 33e915f1f58ad962b3b63632ed64a34b125c31df9b21db68e8f0109aafad2acb
[INFO] running `Command { std: "docker" "start" "33e915f1f58ad962b3b63632ed64a34b125c31df9b21db68e8f0109aafad2acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33e915f1f58ad962b3b63632ed64a34b125c31df9b21db68e8f0109aafad2acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "33e915f1f58ad962b3b63632ed64a34b125c31df9b21db68e8f0109aafad2acb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33e915f1f58ad962b3b63632ed64a34b125c31df9b21db68e8f0109aafad2acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "33e915f1f58ad962b3b63632ed64a34b125c31df9b21db68e8f0109aafad2acb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling dtor-proc-macro v0.0.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling btree_monstrousity v0.0.5
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rs_malloc_tracker v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling ctor-proc-macro v0.0.6
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling dtor v0.1.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling ctor v0.5.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/btree_monstrousity-0.0.5/src/polyfill.rs:128:90
[INFO] [stdout]     |
[INFO] [stdout] 110 |     impl<T, A: Allocator> NewUninit<T, A> for A!(Box<T, A>) {
[INFO] [stdout]     |             - found this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 128 |                             Ok(ptr) => <A!(Box<_, _>)>::from_raw_in(ptr.cast().as_ptr(), alloc),
[INFO] [stdout]     |                                        ----------------------------                      ^^^^^ expected `Global`, found type parameter `A`
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:      expected struct `alloc::alloc::Global`
[INFO] [stdout]             found type parameter `A`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/alloc/src/boxed.rs:1567:18
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling no-alloc-channel v0.1.0
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `btree_monstrousity` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "33e915f1f58ad962b3b63632ed64a34b125c31df9b21db68e8f0109aafad2acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e915f1f58ad962b3b63632ed64a34b125c31df9b21db68e8f0109aafad2acb", kill_on_drop: false }`
[INFO] [stdout] 33e915f1f58ad962b3b63632ed64a34b125c31df9b21db68e8f0109aafad2acb