[INFO] fetching crate kapiti 0.0.3...
[INFO] checking kapiti-0.0.3 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate kapiti 0.0.3 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kapiti 0.0.3 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+82310651b93a594a3fd69015e1562186a080d94c" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded git-testament-derive v0.1.14
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.91
[INFO] [stderr]   Downloaded async-timer v0.7.4
[INFO] [stderr]   Downloaded futures-delay-queue v0.5.2
[INFO] [stderr]   Downloaded packed_struct v0.10.1
[INFO] [stderr]   Downloaded async-native-tls-alpn v0.4.1-alpha.0
[INFO] [stderr]   Downloaded toml v0.7.2
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.91
[INFO] [stderr]   Downloaded cxx-build v1.0.91
[INFO] [stderr]   Downloaded toml_edit v0.19.4
[INFO] [stderr]   Downloaded redis v0.22.3
[INFO] [stderr]   Downloaded cxx v1.0.91
[INFO] [stderr]   Downloaded winnow v0.3.3
[INFO] [stderr]   Downloaded proptest v1.1.0
[INFO] [stderr]   Downloaded rkyv v0.7.40
[INFO] [stderr]   Downloaded packed_struct_codegen v0.10.1
[INFO] [stderr]   Downloaded retainer v0.3.0
[INFO] [stderr]   Downloaded rkyv_derive v0.7.40
[INFO] [stderr]   Downloaded csv v1.2.0
[INFO] [stderr]   Downloaded git-testament v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 459fcc7c7c2ec3f304b37322067591c30d9cfa5f52386d3525356b2823237f43
[INFO] running `Command { std: "docker" "start" "-a" "459fcc7c7c2ec3f304b37322067591c30d9cfa5f52386d3525356b2823237f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "459fcc7c7c2ec3f304b37322067591c30d9cfa5f52386d3525356b2823237f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459fcc7c7c2ec3f304b37322067591c30d9cfa5f52386d3525356b2823237f43", kill_on_drop: false }`
[INFO] [stdout] 459fcc7c7c2ec3f304b37322067591c30d9cfa5f52386d3525356b2823237f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d082eaebdbdf56a2e9232a60a4f9130ffa97061813a50daccda9fbd01518a329
[INFO] running `Command { std: "docker" "start" "-a" "d082eaebdbdf56a2e9232a60a4f9130ffa97061813a50daccda9fbd01518a329", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[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]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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]    Compiling libm v0.2.6
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling futures-task v0.3.26
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d082eaebdbdf56a2e9232a60a4f9130ffa97061813a50daccda9fbd01518a329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d082eaebdbdf56a2e9232a60a4f9130ffa97061813a50daccda9fbd01518a329", kill_on_drop: false }`
[INFO] [stdout] d082eaebdbdf56a2e9232a60a4f9130ffa97061813a50daccda9fbd01518a329
