[INFO] fetching crate openapi-fuzzer 0.2.0...
[INFO] checking openapi-fuzzer-0.2.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate openapi-fuzzer 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate openapi-fuzzer 0.2.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate openapi-fuzzer 0.2.0
[INFO] finished tweaking crates.io crate openapi-fuzzer 0.2.0
[INFO] tweaked toml for crates.io crate openapi-fuzzer 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate openapi-fuzzer 0.2.0 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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 bit-set v0.5.2
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded argh_shared v0.1.4
[INFO] [stderr]   Downloaded argh_derive v0.1.4
[INFO] [stderr]   Downloaded argh v0.1.4
[INFO] [stderr]   Downloaded arbitrary v1.2.2
[INFO] [stderr]   Downloaded hashbrown v0.12.2
[INFO] [stderr]   Downloaded proptest v1.1.0
[INFO] [stderr]   Downloaded openapiv3 v0.5.0
[INFO] [stderr]   Downloaded webpki-roots v0.21.0
[INFO] [stderr]   Downloaded rustls v0.19.0
[INFO] [stderr]   Downloaded ureq v2.1.0
[INFO] [stderr]   Downloaded ring v0.16.19
[INFO] [stderr]   Downloaded openapi_utils v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 240f748274028f6365fff218805b0e68a77f5a0afe0b3418d2cf433320fad163
[INFO] running `Command { std: "docker" "start" "-a" "240f748274028f6365fff218805b0e68a77f5a0afe0b3418d2cf433320fad163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "240f748274028f6365fff218805b0e68a77f5a0afe0b3418d2cf433320fad163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240f748274028f6365fff218805b0e68a77f5a0afe0b3418d2cf433320fad163", kill_on_drop: false }`
[INFO] [stdout] 240f748274028f6365fff218805b0e68a77f5a0afe0b3418d2cf433320fad163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 446d08391b2a3ba4a48180b15149fa8a890b842a5a48243b25bdd9e02a7af433
[INFO] running `Command { std: "docker" "start" "-a" "446d08391b2a3ba4a48180b15149fa8a890b842a5a48243b25bdd9e02a7af433", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking hashbrown v0.12.2
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]     Checking arbitrary v1.2.2
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "446d08391b2a3ba4a48180b15149fa8a890b842a5a48243b25bdd9e02a7af433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446d08391b2a3ba4a48180b15149fa8a890b842a5a48243b25bdd9e02a7af433", kill_on_drop: false }`
[INFO] [stdout] 446d08391b2a3ba4a48180b15149fa8a890b842a5a48243b25bdd9e02a7af433
[INFO] checking openapi-fuzzer-0.2.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate openapi-fuzzer 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate openapi-fuzzer 0.2.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate openapi-fuzzer 0.2.0
[INFO] finished tweaking crates.io crate openapi-fuzzer 0.2.0
[INFO] tweaked toml for crates.io crate openapi-fuzzer 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate openapi-fuzzer 0.2.0 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43416ad5ab9adfc4788a8c82219a48eb882465ca92efbce4e7b80ef1563dde97
[INFO] running `Command { std: "docker" "start" "-a" "43416ad5ab9adfc4788a8c82219a48eb882465ca92efbce4e7b80ef1563dde97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43416ad5ab9adfc4788a8c82219a48eb882465ca92efbce4e7b80ef1563dde97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43416ad5ab9adfc4788a8c82219a48eb882465ca92efbce4e7b80ef1563dde97", kill_on_drop: false }`
[INFO] [stdout] 43416ad5ab9adfc4788a8c82219a48eb882465ca92efbce4e7b80ef1563dde97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dcebd03c97befeae1be16a96bad381382df1c6fe04b86652131104a1a2218ad
[INFO] running `Command { std: "docker" "start" "-a" "9dcebd03c97befeae1be16a96bad381382df1c6fe04b86652131104a1a2218ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]     Checking hashbrown v0.12.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking arbitrary v1.2.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9dcebd03c97befeae1be16a96bad381382df1c6fe04b86652131104a1a2218ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dcebd03c97befeae1be16a96bad381382df1c6fe04b86652131104a1a2218ad", kill_on_drop: false }`
[INFO] [stdout] 9dcebd03c97befeae1be16a96bad381382df1c6fe04b86652131104a1a2218ad
