[INFO] cloning repository https://github.com/nickel-lang/json-schema-to-nickel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickel-lang/json-schema-to-nickel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickel-lang%2Fjson-schema-to-nickel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickel-lang%2Fjson-schema-to-nickel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b14966f1585f00199089278da619eb0c5344ab01
[INFO] checking nickel-lang/json-schema-to-nickel against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickel-lang%2Fjson-schema-to-nickel" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nickel-lang/json-schema-to-nickel on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nickel-lang/json-schema-to-nickel
[INFO] finished tweaking git repo https://github.com/nickel-lang/json-schema-to-nickel
[INFO] tweaked toml for git repo https://github.com/nickel-lang/json-schema-to-nickel written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nickel-lang/json-schema-to-nickel 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tweag/nickel`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stringreader v0.1.1
[INFO] [stderr]   Downloaded toml v0.7.5
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.2.0
[INFO] [stderr]   Downloaded simple-counter v0.1.0
[INFO] [stderr]   Downloaded embed-doc-image v0.1.4
[INFO] [stderr]   Downloaded json_schema_test_suite_proc_macro v0.3.0
[INFO] [stderr]   Downloaded json_schema_test_suite_test_case v0.3.0
[INFO] [stderr]   Downloaded malachite v0.3.2
[INFO] [stderr]   Downloaded codespan v0.11.1
[INFO] [stderr]   Downloaded pretty v0.11.3
[INFO] [stderr]   Downloaded mockito v0.32.5
[INFO] [stderr]   Downloaded json_schema_test_suite v0.3.0
[INFO] [stderr]   Downloaded clap v4.3.9
[INFO] [stderr]   Downloaded clap_builder v4.3.9
[INFO] [stderr]   Downloaded malachite-q v0.3.2
[INFO] [stderr]   Downloaded malachite-base v0.3.2
[INFO] [stderr]   Downloaded malachite-nz v0.3.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71f9ed11f887256765a25715d1c602f75f25692cde26b2668cbb6c3e8b1131eb
[INFO] running `Command { std: "docker" "start" "-a" "71f9ed11f887256765a25715d1c602f75f25692cde26b2668cbb6c3e8b1131eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71f9ed11f887256765a25715d1c602f75f25692cde26b2668cbb6c3e8b1131eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f9ed11f887256765a25715d1c602f75f25692cde26b2668cbb6c3e8b1131eb", kill_on_drop: false }`
[INFO] [stdout] 71f9ed11f887256765a25715d1c602f75f25692cde26b2668cbb6c3e8b1131eb
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd17501fe0464ee0ef03263c10b68c4e35cb8663d25756b1bba042965780bddb
[INFO] running `Command { std: "docker" "start" "-a" "cd17501fe0464ee0ef03263c10b68c4e35cb8663d25756b1bba042965780bddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]    Compiling serde_derive v1.0.175
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling equivalent v1.0.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling malachite-base v0.3.2
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling cpufeatures v0.2.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling winnow v0.4.7
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling clap_builder v4.3.9
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling serde_spanned v0.6.3
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling vte v0.11.1
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.8
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling indoc v2.0.1
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling serde_yaml v0.9.22
[INFO] [stderr]    Compiling strip-ansi-escapes v0.2.0
[INFO] [stderr]    Compiling codespan v0.11.1
[INFO] [stderr]    Compiling sha-1 v0.10.1
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling toml_edit v0.19.11
[INFO] [stderr]    Compiling pretty v0.11.3
[INFO] [stderr]    Compiling md-5 v0.10.5
[INFO] [stderr]    Compiling lalrpop-util v0.19.12
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling lalrpop v0.19.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling simple-counter v0.1.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/385fa9d845dd326c6bbfd58c22244215e431948a/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=cda4a1658e9e919d -C extra-filename=-cda4a1658e9e919d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b6b142e4bf85e3e1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-add7e6617fcf9ca7.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-c50f7aaa526ef20c.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" "cd17501fe0464ee0ef03263c10b68c4e35cb8663d25756b1bba042965780bddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd17501fe0464ee0ef03263c10b68c4e35cb8663d25756b1bba042965780bddb", kill_on_drop: false }`
[INFO] [stdout] cd17501fe0464ee0ef03263c10b68c4e35cb8663d25756b1bba042965780bddb