[INFO] cloning repository https://github.com/synthesis-labs/near-mwe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/synthesis-labs/near-mwe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynthesis-labs%2Fnear-mwe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynthesis-labs%2Fnear-mwe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2494c3a15bb4fcffb1a893bb58991c98b841ccca
[INFO] checking synthesis-labs/near-mwe against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynthesis-labs%2Fnear-mwe" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/synthesis-labs/near-mwe
[INFO] finished tweaking git repo https://github.com/synthesis-labs/near-mwe
[INFO] tweaked toml for git repo https://github.com/synthesis-labs/near-mwe written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/synthesis-labs/near-mwe on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/synthesis-labs/near-mwe 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c2-chacha v0.3.3
[INFO] [stderr]   Downloaded zeroize_derive v1.4.1
[INFO] [stderr]   Downloaded near-account-id v0.14.0
[INFO] [stderr]   Downloaded near-rpc-error-core v0.14.0
[INFO] [stderr]   Downloaded near-vm-errors v0.14.0
[INFO] [stderr]   Downloaded near-sys v0.2.0
[INFO] [stderr]   Downloaded near-abi v0.3.0
[INFO] [stderr]   Downloaded near-rpc-error-macro v0.14.0
[INFO] [stderr]   Downloaded keccak v0.1.3
[INFO] [stderr]   Downloaded near-primitives-core v0.14.0
[INFO] [stderr]   Downloaded easy-ext v0.2.9
[INFO] [stderr]   Downloaded iana-time-zone v0.1.54
[INFO] [stderr]   Downloaded schemars_derive v0.8.12
[INFO] [stderr]   Downloaded near-crypto v0.14.0
[INFO] [stderr]   Downloaded near-sdk-macros v4.1.1
[INFO] [stderr]   Downloaded schemars v0.8.12
[INFO] [stderr]   Downloaded blake2 v0.9.2
[INFO] [stderr]   Downloaded reed-solomon-erasure v4.0.2
[INFO] [stderr]   Downloaded near-vm-logic v0.14.0
[INFO] [stderr]   Downloaded syn v2.0.11
[INFO] [stderr]   Downloaded zeropool-bn v0.5.11
[INFO] [stderr]   Downloaded near-primitives v0.14.0
[INFO] [stderr]   Downloaded near-sdk v4.1.1
[INFO] [stderr]   Downloaded winnow v0.4.1
[INFO] [stderr]   Downloaded parity-secp256k1 v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a92155d764a1f79f6b7eafdada0a02635360b8d26f3adfb021c3ff7267eb4bec
[INFO] running `Command { std: "docker" "start" "-a" "a92155d764a1f79f6b7eafdada0a02635360b8d26f3adfb021c3ff7267eb4bec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a92155d764a1f79f6b7eafdada0a02635360b8d26f3adfb021c3ff7267eb4bec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92155d764a1f79f6b7eafdada0a02635360b8d26f3adfb021c3ff7267eb4bec", kill_on_drop: false }`
[INFO] [stdout] a92155d764a1f79f6b7eafdada0a02635360b8d26f3adfb021c3ff7267eb4bec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8b7fdaa2042525daa482191f41e814f4c66a1a658b519c769216e3aac105fd8
[INFO] running `Command { std: "docker" "start" "-a" "c8b7fdaa2042525daa482191f41e814f4c66a1a658b519c769216e3aac105fd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.54/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.9.0
[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" "c8b7fdaa2042525daa482191f41e814f4c66a1a658b519c769216e3aac105fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b7fdaa2042525daa482191f41e814f4c66a1a658b519c769216e3aac105fd8", kill_on_drop: false }`
[INFO] [stdout] c8b7fdaa2042525daa482191f41e814f4c66a1a658b519c769216e3aac105fd8
