[INFO] cloning repository https://github.com/taylorthurlow/rust_json_schema-rb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taylorthurlow/rust_json_schema-rb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaylorthurlow%2Frust_json_schema-rb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaylorthurlow%2Frust_json_schema-rb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3dd106a65dc272d0a9f9b9d5bc537e72001d12ad
[INFO] checking taylorthurlow/rust_json_schema-rb against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaylorthurlow%2Frust_json_schema-rb" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taylorthurlow/rust_json_schema-rb 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/taylorthurlow/rust_json_schema-rb
[INFO] finished tweaking git repo https://github.com/taylorthurlow/rust_json_schema-rb
[INFO] tweaked toml for git repo https://github.com/taylorthurlow/rust_json_schema-rb written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/taylorthurlow/rust_json_schema-rb 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rb-sys-build v0.9.86
[INFO] [stderr]   Downloaded rb-sys v0.9.86
[INFO] [stderr]   Downloaded clap_builder v4.4.15
[INFO] [stderr]   Downloaded clap v4.4.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2ff7a2039287dfc8f6110e88c5931be68aede7f1385061ed98e4592b07213de8
[INFO] running `Command { std: "docker" "start" "-a" "2ff7a2039287dfc8f6110e88c5931be68aede7f1385061ed98e4592b07213de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ff7a2039287dfc8f6110e88c5931be68aede7f1385061ed98e4592b07213de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff7a2039287dfc8f6110e88c5931be68aede7f1385061ed98e4592b07213de8", kill_on_drop: false }`
[INFO] [stdout] 2ff7a2039287dfc8f6110e88c5931be68aede7f1385061ed98e4592b07213de8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 128c6630d7a1b2c3842ecbb773f35e901e2e1bd26a87229abccc8c57ddc6d119
[INFO] running `Command { std: "docker" "start" "-a" "128c6630d7a1b2c3842ecbb773f35e901e2e1bd26a87229abccc8c57ddc6d119", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling bindgen v0.69.1
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling time-macros v0.2.16
[INFO] [stderr]     Checking clap_builder v4.4.15
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling magnus v0.6.2
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking num-cmp v0.1.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking time v0.3.31
[INFO] [stderr]     Checking iso8601 v0.6.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking fraction v0.13.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking fancy-regex v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling magnus-macros v0.6.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.23
[INFO] [stderr]     Checking clap v4.4.15
[INFO] [stderr]    Compiling rb-sys-build v0.9.86
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]    Compiling rb-sys v0.9.86
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking reqwest v0.11.23
[INFO] [stderr]     Checking jsonschema v0.17.1
[INFO] [stderr]     Checking rust_json_schema v0.1.0 (/opt/rustwide/workdir/ext/rust_json_schema)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.10s
[INFO] running `Command { std: "docker" "inspect" "128c6630d7a1b2c3842ecbb773f35e901e2e1bd26a87229abccc8c57ddc6d119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128c6630d7a1b2c3842ecbb773f35e901e2e1bd26a87229abccc8c57ddc6d119", kill_on_drop: false }`
[INFO] [stdout] 128c6630d7a1b2c3842ecbb773f35e901e2e1bd26a87229abccc8c57ddc6d119
[INFO] checking taylorthurlow/rust_json_schema-rb against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaylorthurlow%2Frust_json_schema-rb" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taylorthurlow/rust_json_schema-rb on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/taylorthurlow/rust_json_schema-rb
[INFO] finished tweaking git repo https://github.com/taylorthurlow/rust_json_schema-rb
[INFO] tweaked toml for git repo https://github.com/taylorthurlow/rust_json_schema-rb written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/taylorthurlow/rust_json_schema-rb 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9c67a1f98d0835aea729f49f0ed4665b21e115a08201b97e6385f17bce6e293
[INFO] running `Command { std: "docker" "start" "-a" "b9c67a1f98d0835aea729f49f0ed4665b21e115a08201b97e6385f17bce6e293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9c67a1f98d0835aea729f49f0ed4665b21e115a08201b97e6385f17bce6e293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c67a1f98d0835aea729f49f0ed4665b21e115a08201b97e6385f17bce6e293", kill_on_drop: false }`
[INFO] [stdout] b9c67a1f98d0835aea729f49f0ed4665b21e115a08201b97e6385f17bce6e293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac287c21b628c0cde498c8dbe8df6a95ca5575e41e1b81b469c08eee51f597d0
[INFO] running `Command { std: "docker" "start" "-a" "ac287c21b628c0cde498c8dbe8df6a95ca5575e41e1b81b469c08eee51f597d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling bindgen v0.69.1
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking clap_builder v4.4.15
[INFO] [stderr]    Compiling magnus v0.6.2
[INFO] [stderr]    Compiling time-macros v0.2.16
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking num-cmp v0.1.0
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking time v0.3.31
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking iso8601 v0.6.1
[INFO] [stderr]     Checking fraction v0.13.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking fancy-regex v0.11.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling magnus-macros v0.6.0
[INFO] [stderr]     Checking h2 v0.3.23
[INFO] [stderr]     Checking clap v4.4.15
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]    Compiling rb-sys-build v0.9.86
[INFO] [stderr]    Compiling rb-sys v0.9.86
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking reqwest v0.11.23
[INFO] [stderr]     Checking jsonschema v0.17.1
[INFO] [stderr]     Checking rust_json_schema v0.1.0 (/opt/rustwide/workdir/ext/rust_json_schema)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.44s
[INFO] running `Command { std: "docker" "inspect" "ac287c21b628c0cde498c8dbe8df6a95ca5575e41e1b81b469c08eee51f597d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac287c21b628c0cde498c8dbe8df6a95ca5575e41e1b81b469c08eee51f597d0", kill_on_drop: false }`
[INFO] [stdout] ac287c21b628c0cde498c8dbe8df6a95ca5575e41e1b81b469c08eee51f597d0