[INFO] fetching crate kapiti 0.0.3...
[INFO] checking kapiti-0.0.3 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate kapiti 0.0.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate kapiti 0.0.3 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 kapiti 0.0.3
[INFO] finished tweaking crates.io crate kapiti 0.0.3
[INFO] tweaked toml for crates.io crate kapiti 0.0.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate kapiti 0.0.3 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic-waker v1.1.0
[INFO] [stderr]   Downloaded smol v1.3.0
[INFO] [stderr]   Downloaded polling v2.5.2
[INFO] [stderr]   Downloaded zstd-safe v6.0.4+zstd.1.5.4
[INFO] [stderr]   Downloaded async-process v1.6.0
[INFO] [stderr]   Downloaded packed_struct_codegen v0.10.1
[INFO] [stderr]   Downloaded retainer v0.3.0
[INFO] [stderr]   Downloaded async-native-tls-alpn v0.4.1-alpha.0
[INFO] [stderr]   Downloaded git-testament-derive v0.1.14
[INFO] [stderr]   Downloaded async-timer v0.7.4
[INFO] [stderr]   Downloaded futures-delay-queue v0.5.2
[INFO] [stderr]   Downloaded async-trait v0.1.64
[INFO] [stderr]   Downloaded proptest v1.1.0
[INFO] [stderr]   Downloaded git-testament v0.2.4
[INFO] [stderr]   Downloaded rkyv_derive v0.7.40
[INFO] [stderr]   Downloaded rkyv v0.7.40
[INFO] [stderr]   Downloaded csv v1.2.0
[INFO] [stderr]   Downloaded redis v0.22.3
[INFO] [stderr]   Downloaded bytecheck v0.6.9
[INFO] [stderr]   Downloaded async-net v1.7.0
[INFO] [stderr]   Downloaded packed_struct v0.10.1
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.9
[INFO] [stderr]   Downloaded async-io v1.12.0
[INFO] [stderr]   Downloaded blocking v1.3.0
[INFO] [stderr]   Downloaded zstd v0.12.3+zstd.1.5.2
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39be20ce889d6fa20684ca68979874e951ad39d57f0846aa212a3ee207dec8fc
[INFO] running `Command { std: "docker" "start" "-a" "39be20ce889d6fa20684ca68979874e951ad39d57f0846aa212a3ee207dec8fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39be20ce889d6fa20684ca68979874e951ad39d57f0846aa212a3ee207dec8fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39be20ce889d6fa20684ca68979874e951ad39d57f0846aa212a3ee207dec8fc", kill_on_drop: false }`
[INFO] [stdout] 39be20ce889d6fa20684ca68979874e951ad39d57f0846aa212a3ee207dec8fc
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0550b30f04fcbe43fdc8c4808424eca529446512bf777ffd2617901c96d80a07
[INFO] running `Command { std: "docker" "start" "-a" "0550b30f04fcbe43fdc8c4808424eca529446512bf777ffd2617901c96d80a07", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 scopeguard v1.1.0
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[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" "0550b30f04fcbe43fdc8c4808424eca529446512bf777ffd2617901c96d80a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0550b30f04fcbe43fdc8c4808424eca529446512bf777ffd2617901c96d80a07", kill_on_drop: false }`
[INFO] [stdout] 0550b30f04fcbe43fdc8c4808424eca529446512bf777ffd2617901c96d80a07
[INFO] checking kapiti-0.0.3 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate kapiti 0.0.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate kapiti 0.0.3 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 kapiti 0.0.3
[INFO] finished tweaking crates.io crate kapiti 0.0.3
[INFO] tweaked toml for crates.io crate kapiti 0.0.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate kapiti 0.0.3 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f88d018ddfef6b4f7d2fd6407479f1da47d6e4a8db58fc799b97889054a7b4f3
[INFO] running `Command { std: "docker" "start" "-a" "f88d018ddfef6b4f7d2fd6407479f1da47d6e4a8db58fc799b97889054a7b4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f88d018ddfef6b4f7d2fd6407479f1da47d6e4a8db58fc799b97889054a7b4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88d018ddfef6b4f7d2fd6407479f1da47d6e4a8db58fc799b97889054a7b4f3", kill_on_drop: false }`
[INFO] [stdout] f88d018ddfef6b4f7d2fd6407479f1da47d6e4a8db58fc799b97889054a7b4f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f3c7b5a79d3ee90b93bea964f2185e929c87cb324e6923d081a460bc753e5749
[INFO] running `Command { std: "docker" "start" "-a" "f3c7b5a79d3ee90b93bea964f2185e929c87cb324e6923d081a460bc753e5749", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 concurrent-queue v2.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]     Checking itoa v1.0.5
[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" "f3c7b5a79d3ee90b93bea964f2185e929c87cb324e6923d081a460bc753e5749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c7b5a79d3ee90b93bea964f2185e929c87cb324e6923d081a460bc753e5749", kill_on_drop: false }`
[INFO] [stdout] f3c7b5a79d3ee90b93bea964f2185e929c87cb324e6923d081a460bc753e5749
