[INFO] cloning repository https://github.com/ssantos21/blinded-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ssantos21/blinded-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssantos21%2Fblinded-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssantos21%2Fblinded-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ba115e58b9337183b66ef965835d44b76c45572
[INFO] checking ssantos21/blinded-client/5ba115e58b9337183b66ef965835d44b76c45572 against master#5dbf4069dc98bbbca98dd600a65f50c258fbfd56 for pr-148477-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssantos21%2Fblinded-client" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ssantos21/blinded-client
[INFO] finished tweaking git repo https://github.com/ssantos21/blinded-client
[INFO] tweaked toml for git repo https://github.com/ssantos21/blinded-client written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ssantos21/blinded-client on toolchain 5dbf4069dc98bbbca98dd600a65f50c258fbfd56
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dbf4069dc98bbbca98dd600a65f50c258fbfd56" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ssantos21/blinded-client 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" "+5dbf4069dc98bbbca98dd600a65f50c258fbfd56" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/ssantos21/two-party-ecdsa-workflow.git`
[INFO] [stderr]     Updating git repository `https://github.com/commerceblock/monotree`
[INFO] [stderr]     Updating git repository `https://github.com/ssantos21/multi-party-ecdsa.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded secp256k1 v0.20.3
[INFO] [stderr]   Downloaded bulletproof-kzen v1.2.0
[INFO] [stderr]   Downloaded zk-paillier v0.4.3
[INFO] [stderr]   Downloaded ff_derive-zeroize v0.6.2
[INFO] [stderr]   Downloaded kzen-paillier v0.4.2
[INFO] [stderr]   Downloaded bitcoin_hashes v0.12.0
[INFO] [stderr]   Downloaded bitcoin-private v0.1.0
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded hex_lit v0.1.1
[INFO] [stderr]   Downloaded electrum-client v0.15.1
[INFO] [stderr]   Downloaded round-based v0.1.7
[INFO] [stderr]   Downloaded tokio-socks v0.5.1
[INFO] [stderr]   Downloaded crypto-bigint v0.2.11
[INFO] [stderr]   Downloaded merkle-cbt v0.3.2
[INFO] [stderr]   Downloaded cryptoxide v0.1.3
[INFO] [stderr]   Downloaded curv-kzen v0.9.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded bitcoin v0.30.0
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded centipede v0.3.0
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] [stderr]   Downloaded ff-zeroize v0.6.3
[INFO] [stderr]   Downloaded tracing v0.1.38
[INFO] [stderr]   Downloaded pairing-plus v0.19.0
[INFO] [stderr]   Downloaded rust-gmp-kzen v0.5.1
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded elliptic-curve v0.10.6
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.4
[INFO] [stderr]   Downloaded reqwest v0.11.16
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+5dbf4069dc98bbbca98dd600a65f50c258fbfd56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f15048a532a157298414f76452d4658cc67c283097bd2ded47ac930deedba49d
[INFO] running `Command { std: "docker" "start" "-a" "f15048a532a157298414f76452d4658cc67c283097bd2ded47ac930deedba49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f15048a532a157298414f76452d4658cc67c283097bd2ded47ac930deedba49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15048a532a157298414f76452d4658cc67c283097bd2ded47ac930deedba49d", kill_on_drop: false }`
[INFO] [stdout] f15048a532a157298414f76452d4658cc67c283097bd2ded47ac930deedba49d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+5dbf4069dc98bbbca98dd600a65f50c258fbfd56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4087b53ac89b390f977192673dcb3d14b0bb1f8ffda2de71ea18748581de6094
[INFO] running `Command { std: "docker" "start" "-a" "4087b53ac89b390f977192673dcb3d14b0bb1f8ffda2de71ea18748581de6094", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 lock_api v0.4.9
[INFO] [stderr]     Checking der v0.4.5
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[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" "4087b53ac89b390f977192673dcb3d14b0bb1f8ffda2de71ea18748581de6094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4087b53ac89b390f977192673dcb3d14b0bb1f8ffda2de71ea18748581de6094", kill_on_drop: false }`
[INFO] [stdout] 4087b53ac89b390f977192673dcb3d14b0bb1f8ffda2de71ea18748581de6094