[INFO] fetching crate superposition_core 0.90.0...
[INFO] building superposition_core-0.90.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate superposition_core 0.90.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate superposition_core 0.90.0
[INFO] finished tweaking crates.io crate superposition_core 0.90.0
[INFO] tweaked toml for crates.io crate superposition_core 0.90.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate superposition_core 0.90.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate superposition_core 0.90.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e2c39bf87ccac551056621fc6c419cceda1ba8fb2761e4f5eafb355092920fc
[INFO] running `Command { std: "docker" "start" "-a" "4e2c39bf87ccac551056621fc6c419cceda1ba8fb2761e4f5eafb355092920fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e2c39bf87ccac551056621fc6c419cceda1ba8fb2761e4f5eafb355092920fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2c39bf87ccac551056621fc6c419cceda1ba8fb2761e4f5eafb355092920fc", kill_on_drop: false }`
[INFO] [stdout] 4e2c39bf87ccac551056621fc6c419cceda1ba8fb2761e4f5eafb355092920fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 342de2cff2eb7ad379729020679b2f87c8eaad2bdf6863702156d60c5690b903
[INFO] running `Command { std: "docker" "start" "-a" "342de2cff2eb7ad379729020679b2f87c8eaad2bdf6863702156d60c5690b903", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling erased-serde v0.3.30
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling bytestring v1.3.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling zstd-safe v7.0.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling local-waker v0.1.3
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.30/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=c9afc2a48d191a35 -C extra-filename=-33205ebe467fa3c2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-fc6bb1738f00fc87.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-649a526ef41831fc.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-e0c50e8704e39276.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-9a5791cba021167a.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "342de2cff2eb7ad379729020679b2f87c8eaad2bdf6863702156d60c5690b903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342de2cff2eb7ad379729020679b2f87c8eaad2bdf6863702156d60c5690b903", kill_on_drop: false }`
[INFO] [stdout] 342de2cff2eb7ad379729020679b2f87c8eaad2bdf6863702156d60c5690b903