[INFO] cloning repository https://github.com/thetalljosh/threshold-ecdsa-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thetalljosh/threshold-ecdsa-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthetalljosh%2Fthreshold-ecdsa-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthetalljosh%2Fthreshold-ecdsa-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25a2675aa5e63f44df8655d8163329147d9803d4
[INFO] checking thetalljosh/threshold-ecdsa-rust/25a2675aa5e63f44df8655d8163329147d9803d4 against master#e0e204f3e97ad5f79524b9c259dc38df606ed82c for pr-149218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthetalljosh%2Fthreshold-ecdsa-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thetalljosh/threshold-ecdsa-rust
[INFO] finished tweaking git repo https://github.com/thetalljosh/threshold-ecdsa-rust
[INFO] tweaked toml for git repo https://github.com/thetalljosh/threshold-ecdsa-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thetalljosh/threshold-ecdsa-rust on toolchain e0e204f3e97ad5f79524b9c259dc38df606ed82c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e0e204f3e97ad5f79524b9c259dc38df606ed82c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thetalljosh/threshold-ecdsa-rust 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" "+e0e204f3e97ad5f79524b9c259dc38df606ed82c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding az v1.2.1
[INFO] [stderr]       Adding base64 v0.12.3
[INFO] [stderr]       Adding getrandom v0.1.16
[INFO] [stderr]       Adding gmp-mpfr-sys v1.6.8
[INFO] [stderr]       Adding libm v0.2.15
[INFO] [stderr]       Adding log v0.4.28
[INFO] [stderr]       Adding num v0.2.1
[INFO] [stderr]       Adding num v0.4.1 (available: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.2.6
[INFO] [stderr]       Adding num-bigint-dig v0.8.6
[INFO] [stderr]       Adding num-complex v0.2.4
[INFO] [stderr]       Adding num-complex v0.4.6
[INFO] [stderr]       Adding num-iter v0.1.44 (available: v0.1.45)
[INFO] [stderr]       Adding num-primes v0.1.2
[INFO] [stderr]       Adding num-primes v0.3.0
[INFO] [stderr]       Adding num-rational v0.2.4
[INFO] [stderr]       Adding num-rational v0.4.2
[INFO] [stderr]     Updating num-traits v0.2.15 -> v0.2.19
[INFO] [stderr]       Adding paillier-rs v0.2.3
[INFO] [stderr]     Updating rand v0.6.5 -> v0.7.3
[INFO] [stderr]     Updating rand_chacha v0.1.1 -> v0.2.2
[INFO] [stderr]       Adding rand_core v0.5.1
[INFO] [stderr]     Updating rand_hc v0.1.0 -> v0.2.0
[INFO] [stderr]       Adding rug v1.28.0
[INFO] [stderr]       Adding smallvec v1.15.1
[INFO] [stderr]       Adding spin v0.5.2
[INFO] [stderr]       Adding textnonce v1.0.0
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]       Adding windows-link v0.2.1
[INFO] [stderr]       Adding windows-sys v0.60.2
[INFO] [stderr]       Adding windows-targets v0.53.5
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.53.1
[INFO] [stderr]       Adding windows_aarch64_msvc v0.53.1
[INFO] [stderr]       Adding windows_i686_gnu v0.53.1
[INFO] [stderr]       Adding windows_i686_gnullvm v0.53.1
[INFO] [stderr]       Adding windows_i686_msvc v0.53.1
[INFO] [stderr]       Adding windows_x86_64_gnu v0.53.1
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.53.1
[INFO] [stderr]       Adding windows_x86_64_msvc v0.53.1
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-primes v0.3.0
[INFO] [stderr]   Downloaded paillier v0.2.0
[INFO] [stderr]   Downloaded sec1 v0.7.2
[INFO] [stderr]   Downloaded num-primes v0.1.2
[INFO] [stderr]   Downloaded rust-gmp v0.5.0
[INFO] [stderr]   Downloaded der v0.7.4
[INFO] [stderr]   Downloaded textnonce v1.0.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.8
[INFO] [stderr]   Downloaded paillier-rs v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e0e204f3e97ad5f79524b9c259dc38df606ed82c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 047becd8d1f138b7d9e205255ea0b6e6f13847003242434d0ba014167de9f9b7
[INFO] running `Command { std: "docker" "start" "-a" "047becd8d1f138b7d9e205255ea0b6e6f13847003242434d0ba014167de9f9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "047becd8d1f138b7d9e205255ea0b6e6f13847003242434d0ba014167de9f9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047becd8d1f138b7d9e205255ea0b6e6f13847003242434d0ba014167de9f9b7", kill_on_drop: false }`
[INFO] [stdout] 047becd8d1f138b7d9e205255ea0b6e6f13847003242434d0ba014167de9f9b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e0e204f3e97ad5f79524b9c259dc38df606ed82c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cb9d8a5e5c104604133d2e28689b472199bdad866e25d4f9f2c1dca09fa4be5
[INFO] running `Command { std: "docker" "start" "-a" "6cb9d8a5e5c104604133d2e28689b472199bdad866e25d4f9f2c1dca09fa4be5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking const-oid v0.9.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]     Checking rand_core v0.4.2
[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]    Compiling serde_derive v1.0.160
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking der v0.7.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling serde v1.0.160
[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" "6cb9d8a5e5c104604133d2e28689b472199bdad866e25d4f9f2c1dca09fa4be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb9d8a5e5c104604133d2e28689b472199bdad866e25d4f9f2c1dca09fa4be5", kill_on_drop: false }`
[INFO] [stdout] 6cb9d8a5e5c104604133d2e28689b472199bdad866e25d4f9f2c1dca09fa4be5