[INFO] fetching crate rpy 0.2.2...
[INFO] checking rpy-0.2.2 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate rpy 0.2.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rpy 0.2.2 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpy 0.2.2
[INFO] finished tweaking crates.io crate rpy 0.2.2
[INFO] tweaked toml for crates.io crate rpy 0.2.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate rpy 0.2.2 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90b97b265d72d7278b63de0c4da6b597774d9029f3c050bcf323a4e9ee1ea75a
[INFO] running `Command { std: "docker" "start" "-a" "90b97b265d72d7278b63de0c4da6b597774d9029f3c050bcf323a4e9ee1ea75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90b97b265d72d7278b63de0c4da6b597774d9029f3c050bcf323a4e9ee1ea75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b97b265d72d7278b63de0c4da6b597774d9029f3c050bcf323a4e9ee1ea75a", kill_on_drop: false }`
[INFO] [stdout] 90b97b265d72d7278b63de0c4da6b597774d9029f3c050bcf323a4e9ee1ea75a
[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=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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 032f8c028361e77c54938571cb813eb3599f75a2da25d8a0b4787a5bb64682df
[INFO] running `Command { std: "docker" "start" "-a" "032f8c028361e77c54938571cb813eb3599f75a2da25d8a0b4787a5bb64682df", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 tracing-subscriber v0.3.16
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking bstr v0.2.17
[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" "032f8c028361e77c54938571cb813eb3599f75a2da25d8a0b4787a5bb64682df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032f8c028361e77c54938571cb813eb3599f75a2da25d8a0b4787a5bb64682df", kill_on_drop: false }`
[INFO] [stdout] 032f8c028361e77c54938571cb813eb3599f75a2da25d8a0b4787a5bb64682df
[INFO] checking rpy-0.2.2 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate rpy 0.2.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate rpy 0.2.2 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpy 0.2.2
[INFO] finished tweaking crates.io crate rpy 0.2.2
[INFO] tweaked toml for crates.io crate rpy 0.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate rpy 0.2.2 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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32846b09602f946ce9277bc44a413eb7c59e47f9fc6d591c08b1a7322a39359c
[INFO] running `Command { std: "docker" "start" "-a" "32846b09602f946ce9277bc44a413eb7c59e47f9fc6d591c08b1a7322a39359c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32846b09602f946ce9277bc44a413eb7c59e47f9fc6d591c08b1a7322a39359c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32846b09602f946ce9277bc44a413eb7c59e47f9fc6d591c08b1a7322a39359c", kill_on_drop: false }`
[INFO] [stdout] 32846b09602f946ce9277bc44a413eb7c59e47f9fc6d591c08b1a7322a39359c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3201238e9f4ac669168ca44840c80d498f929ae01c13002bf263ac4b793ade3
[INFO] running `Command { std: "docker" "start" "-a" "b3201238e9f4ac669168ca44840c80d498f929ae01c13002bf263ac4b793ade3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 tracing-subscriber v0.3.16
[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]     Checking object v0.29.0
[INFO] [stderr]     Checking bstr v0.2.17
[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" "b3201238e9f4ac669168ca44840c80d498f929ae01c13002bf263ac4b793ade3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3201238e9f4ac669168ca44840c80d498f929ae01c13002bf263ac4b793ade3", kill_on_drop: false }`
[INFO] [stdout] b3201238e9f4ac669168ca44840c80d498f929ae01c13002bf263ac4b793ade3
