[INFO] cloning repository https://github.com/fmorency/many-rs-cross
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fmorency/many-rs-cross" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmorency%2Fmany-rs-cross", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmorency%2Fmany-rs-cross'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4186c1eb8687b3f3dc95c38f9bed78ed7b04288f
[INFO] checking fmorency/many-rs-cross against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmorency%2Fmany-rs-cross" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fmorency/many-rs-cross on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fmorency/many-rs-cross
[INFO] finished tweaking git repo https://github.com/fmorency/many-rs-cross
[INFO] tweaked toml for git repo https://github.com/fmorency/many-rs-cross written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fmorency/many-rs-cross 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/fmorency/merk.git`
[INFO] [stderr]     Updating git repository `https://github.com/enarx/ciborium`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ed-derive v0.3.0
[INFO] [stderr]   Downloaded serde_test v1.0.156
[INFO] [stderr]   Downloaded enum-iterator v1.4.0
[INFO] [stderr]   Downloaded ed v0.3.0
[INFO] [stderr]   Downloaded cbor-diag v0.1.11
[INFO] [stderr]   Downloaded enum-iterator-derive v1.2.0
[INFO] [stderr]   Downloaded coset v0.3.4
[INFO] [stderr]   Downloaded fixed v1.23.1
[INFO] [stderr]   Downloaded asn1_derive v0.13.0
[INFO] [stderr]   Downloaded devd-rs v0.3.6
[INFO] [stderr]   Downloaded base64urlsafedata v0.1.3
[INFO] [stderr]   Downloaded linkme-impl v0.3.8
[INFO] [stderr]   Downloaded syslog-tracing v0.1.0
[INFO] [stderr]   Downloaded cucumber-codegen v0.13.0
[INFO] [stderr]   Downloaded runloop v0.1.0
[INFO] [stderr]   Downloaded tendermint-proto v0.28.0
[INFO] [stderr]   Downloaded tendermint-abci v0.28.0
[INFO] [stderr]   Downloaded asn1 v0.13.0
[INFO] [stderr]   Downloaded cryptoki v0.3.1
[INFO] [stderr]   Downloaded cucumber v0.13.0
[INFO] [stderr]   Downloaded cryptoki-sys v0.1.5
[INFO] [stderr]   Downloaded authenticator-ctap2-2021 v0.3.2-dev.1
[INFO] [stderr]   Downloaded webauthn-rs-core v0.4.9
[INFO] [stderr]   Downloaded tendermint-rpc v0.28.0
[INFO] [stderr]   Downloaded webauthn-authenticator-rs v0.4.9
[INFO] [stderr]   Downloaded tendermint v0.28.0
[INFO] [stderr]   Downloaded p256 v0.13.0
[INFO] [stderr]   Downloaded gherkin v0.12.0
[INFO] [stderr]   Downloaded serde_cbor_2 v0.12.0-dev
[INFO] [stderr]   Downloaded tendermint-config v0.28.0
[INFO] [stderr]   Downloaded tiny_http v0.11.0
[INFO] [stderr]   Downloaded typed-builder v0.7.1
[INFO] [stderr]   Downloaded ghost v0.1.8
[INFO] [stderr]   Downloaded compact_jwt v0.2.9
[INFO] [stderr]   Downloaded webauthn-rs v0.4.8
[INFO] [stderr]   Downloaded webauthn-rs-proto v0.4.9
[INFO] [stderr]   Downloaded linkme v0.3.8
[INFO] [stderr]   Downloaded log-panics v2.1.0
[INFO] [stderr]   Downloaded ed25519 v2.2.0
[INFO] [stderr]   Downloaded primeorder v0.13.0
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5e5a535f318e4f85a3e33bc3ee4680fcc5045ee8366feae89c080673648f1fa
[INFO] running `Command { std: "docker" "start" "-a" "d5e5a535f318e4f85a3e33bc3ee4680fcc5045ee8366feae89c080673648f1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5e5a535f318e4f85a3e33bc3ee4680fcc5045ee8366feae89c080673648f1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e5a535f318e4f85a3e33bc3ee4680fcc5045ee8366feae89c080673648f1fa", kill_on_drop: false }`
[INFO] [stdout] d5e5a535f318e4f85a3e33bc3ee4680fcc5045ee8366feae89c080673648f1fa
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 727f2da2ad4dbd63ac66af21d01e74824d5d37a0aeea831e53e5eb92f8bf793d
[INFO] running `Command { std: "docker" "start" "-a" "727f2da2ad4dbd63ac66af21d01e74824d5d37a0aeea831e53e5eb92f8bf793d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.156
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.52/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 pin-project-lite v0.2.9
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking subtle v2.4.1
[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" "727f2da2ad4dbd63ac66af21d01e74824d5d37a0aeea831e53e5eb92f8bf793d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727f2da2ad4dbd63ac66af21d01e74824d5d37a0aeea831e53e5eb92f8bf793d", kill_on_drop: false }`
[INFO] [stdout] 727f2da2ad4dbd63ac66af21d01e74824d5d37a0aeea831e53e5eb92f8bf793d