[INFO] fetching crate cargo-nag 0.1.0...
[INFO] checking cargo-nag-0.1.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate cargo-nag 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cargo-nag 0.1.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-nag 0.1.0
[INFO] finished tweaking crates.io crate cargo-nag 0.1.0
[INFO] tweaked toml for crates.io crate cargo-nag 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-nag 0.1.0 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.49
[INFO] [stderr]   Downloaded object v0.30.2
[INFO] [stderr]   Downloaded gimli v0.27.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e3232043e97c1274d09c2e9c6154bf2b0892ead7ecb174db7f49416c0ab71eb
[INFO] running `Command { std: "docker" "start" "-a" "8e3232043e97c1274d09c2e9c6154bf2b0892ead7ecb174db7f49416c0ab71eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e3232043e97c1274d09c2e9c6154bf2b0892ead7ecb174db7f49416c0ab71eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3232043e97c1274d09c2e9c6154bf2b0892ead7ecb174db7f49416c0ab71eb", kill_on_drop: false }`
[INFO] [stdout] 8e3232043e97c1274d09c2e9c6154bf2b0892ead7ecb174db7f49416c0ab71eb
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ec8db634ea69b245bcd8f31d6e67b70abb995c841b98e27cf5a26d0f45b9a69
[INFO] running `Command { std: "docker" "start" "-a" "2ec8db634ea69b245bcd8f31d6e67b70abb995c841b98e27cf5a26d0f45b9a69", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking gimli v0.27.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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 object v0.30.2
[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" "2ec8db634ea69b245bcd8f31d6e67b70abb995c841b98e27cf5a26d0f45b9a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec8db634ea69b245bcd8f31d6e67b70abb995c841b98e27cf5a26d0f45b9a69", kill_on_drop: false }`
[INFO] [stdout] 2ec8db634ea69b245bcd8f31d6e67b70abb995c841b98e27cf5a26d0f45b9a69
[INFO] checking cargo-nag-0.1.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate cargo-nag 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate cargo-nag 0.1.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-nag 0.1.0
[INFO] finished tweaking crates.io crate cargo-nag 0.1.0
[INFO] tweaked toml for crates.io crate cargo-nag 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-nag 0.1.0 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1d7c7572b8dd164dbdd03415e05086da1f1c8891ad430bdbaed9f9b7651e314
[INFO] running `Command { std: "docker" "start" "-a" "a1d7c7572b8dd164dbdd03415e05086da1f1c8891ad430bdbaed9f9b7651e314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d7c7572b8dd164dbdd03415e05086da1f1c8891ad430bdbaed9f9b7651e314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d7c7572b8dd164dbdd03415e05086da1f1c8891ad430bdbaed9f9b7651e314", kill_on_drop: false }`
[INFO] [stdout] a1d7c7572b8dd164dbdd03415e05086da1f1c8891ad430bdbaed9f9b7651e314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8a57d6a8b57bda1ee23ebff1232f3c4d8386e51645c4a5e4802775b63617003
[INFO] running `Command { std: "docker" "start" "-a" "c8a57d6a8b57bda1ee23ebff1232f3c4d8386e51645c4a5e4802775b63617003", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking gimli v0.27.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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 tracing v0.1.37
[INFO] [stderr]     Checking object v0.30.2
[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" "c8a57d6a8b57bda1ee23ebff1232f3c4d8386e51645c4a5e4802775b63617003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a57d6a8b57bda1ee23ebff1232f3c4d8386e51645c4a5e4802775b63617003", kill_on_drop: false }`
[INFO] [stdout] c8a57d6a8b57bda1ee23ebff1232f3c4d8386e51645c4a5e4802775b63617003
