[INFO] cloning repository https://github.com/csunibo/course-description-merged
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csunibo/course-description-merged" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsunibo%2Fcourse-description-merged", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsunibo%2Fcourse-description-merged'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 588e98338ad4ff8c8d0301731ba716dedea6b885
[INFO] testing csunibo/course-description-merged/588e98338ad4ff8c8d0301731ba716dedea6b885 against 1.81.0 for beta-1.82-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsunibo%2Fcourse-description-merged" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/csunibo/course-description-merged on toolchain 1.81.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/csunibo/course-description-merged
[INFO] finished tweaking git repo https://github.com/csunibo/course-description-merged
[INFO] tweaked toml for git repo https://github.com/csunibo/course-description-merged written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/csunibo/course-description-merged 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" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b1cea84b847060ce59978114cb60e1867471c81da64792b19858af5860122e4
[INFO] running `Command { std: "docker" "start" "-a" "3b1cea84b847060ce59978114cb60e1867471c81da64792b19858af5860122e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1cea84b847060ce59978114cb60e1867471c81da64792b19858af5860122e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1cea84b847060ce59978114cb60e1867471c81da64792b19858af5860122e4", kill_on_drop: false }`
[INFO] [stdout] 3b1cea84b847060ce59978114cb60e1867471c81da64792b19858af5860122e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65abf6d1e2bce9924e223ad39d1bce9eb566192e850b0e16ff03ebe96703f4c1
[INFO] running `Command { std: "docker" "start" "-a" "65abf6d1e2bce9924e223ad39d1bce9eb566192e850b0e16ff03ebe96703f4c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling litemap v0.7.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling http-body v1.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling tokio v1.38.0
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling dtoa v1.0.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling servo_arc v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.7.34
[INFO] [stderr]    Compiling selectors v0.25.0
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling markup5ever v0.12.1
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling ego-tree v0.6.2
[INFO] [stderr]    Compiling color-spantrace v0.2.1
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling http-body-util v0.1.2
[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/1.81.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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"' --cfg 'feature="futures-io"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs)' --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=922e58bec878e6d9 -C extra-filename=-922e58bec878e6d9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-9a17581a02a3acca.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-422ea7fecef24f2c.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-1c60b8e64d2f5d85.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-56527abf9679ff46.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-b1c6fc33ba0fb526.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-0dd21cfc832f61c6.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-5960f89a04da149b.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-0f9b7d74b3d6e4b5.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "65abf6d1e2bce9924e223ad39d1bce9eb566192e850b0e16ff03ebe96703f4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65abf6d1e2bce9924e223ad39d1bce9eb566192e850b0e16ff03ebe96703f4c1", kill_on_drop: false }`
[INFO] [stdout] 65abf6d1e2bce9924e223ad39d1bce9eb566192e850b0e16ff03ebe96703f4c1