[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] 700fa8a415b43bc04accb25bdc272597af21fc38
[INFO] testing csunibo/course-description-merged against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsunibo%2Fcourse-description-merged" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/csunibo/course-description-merged on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scraper v0.25.0
[INFO] [stderr]   Downloaded selectors v0.33.0
[INFO] [stderr]   Downloaded phf_codegen v0.13.1
[INFO] [stderr]   Downloaded substring v1.4.5
[INFO] [stderr]   Downloaded env_filter v0.1.4
[INFO] [stderr]   Downloaded itoa v1.0.16
[INFO] [stderr]   Downloaded string_cache_codegen v0.6.1
[INFO] [stderr]   Downloaded servo_arc v0.4.3
[INFO] [stderr]   Downloaded string_cache v0.9.0
[INFO] [stderr]   Downloaded zmij v1.0.2
[INFO] [stderr]   Downloaded markup5ever v0.36.1
[INFO] [stderr]   Downloaded web_atoms v0.2.0
[INFO] [stderr]   Downloaded owo-colors v4.2.3
[INFO] [stderr]   Downloaded cssparser v0.36.0
[INFO] [stderr]   Downloaded html5ever v0.36.1
[INFO] [stderr]   Downloaded derive_more-impl v2.1.1
[INFO] [stderr]   Downloaded derive_more v2.1.1
[INFO] [stderr]   Downloaded serde_json v1.0.148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2399e251445911ae80801fa34162ee04e691efab25889eb2c2fc395b5e2619d3
[INFO] running `Command { std: "docker" "start" "-a" "2399e251445911ae80801fa34162ee04e691efab25889eb2c2fc395b5e2619d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2399e251445911ae80801fa34162ee04e691efab25889eb2c2fc395b5e2619d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2399e251445911ae80801fa34162ee04e691efab25889eb2c2fc395b5e2619d3", kill_on_drop: false }`
[INFO] [stdout] 2399e251445911ae80801fa34162ee04e691efab25889eb2c2fc395b5e2619d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee1055064cf2249bb7c2293205341fcd371b1ac1d84b33402a273c5184e69a78
[INFO] running `Command { std: "docker" "start" "-a" "ee1055064cf2249bb7c2293205341fcd371b1ac1d84b33402a273c5184e69a78", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling itoa v1.0.16
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling cc v1.2.50
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling phf_codegen v0.13.1
[INFO] [stderr]    Compiling string_cache_codegen v0.6.1
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling selectors v0.33.0
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling web_atoms v0.2.0
[INFO] [stderr]    Compiling zmij v1.0.2
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling cssparser v0.36.0
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling servo_arc v0.4.3
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling ryu v1.0.21
[INFO] [stderr]    Compiling iri-string v0.7.9
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling indenter v0.3.4
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling rustls-pki-types v1.13.2
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling string_cache v0.9.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling url v2.5.7
[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/0d162b25edd5bf0dba9a22e83b614f1113e90474/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/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 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --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,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=fda9462fbf3ba219 -C extra-filename=-848db13cc66b746d --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_io=/opt/rustwide/target/debug/deps/libfutures_io-3e19596c076de665.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-be8442ee548d90f9.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-19b3aba2be9e7ae8.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-f9c66c7ba21bf873.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-bedc6e0acd72ff2a.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-9a5791cba021167a.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-8c0cbfb396425d81.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/0d162b25edd5bf0dba9a22e83b614f1113e90474/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.8/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 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_regex)' --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=aeebff85df36cc20 -C extra-filename=-d40cde7d2fd22dd8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ee1055064cf2249bb7c2293205341fcd371b1ac1d84b33402a273c5184e69a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1055064cf2249bb7c2293205341fcd371b1ac1d84b33402a273c5184e69a78", kill_on_drop: false }`
[INFO] [stdout] ee1055064cf2249bb7c2293205341fcd371b1ac1d84b33402a273c5184e69a78