[INFO] fetching crate fawkes-crypto-zkbob-bellman_ce 0.4.0...
[INFO] checking fawkes-crypto-zkbob-bellman_ce-0.4.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate fawkes-crypto-zkbob-bellman_ce 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate fawkes-crypto-zkbob-bellman_ce 0.4.0
[INFO] finished tweaking crates.io crate fawkes-crypto-zkbob-bellman_ce 0.4.0
[INFO] tweaked toml for crates.io crate fawkes-crypto-zkbob-bellman_ce 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fawkes-crypto-zkbob-bellman_ce 0.4.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] [stderr]       Adding bit-vec v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.1)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prefetch v0.2.0
[INFO] [stderr]   Downloaded ff_ce v0.7.1
[INFO] [stderr]   Downloaded ff_derive_ce v0.5.1
[INFO] [stderr]   Downloaded fawkes-crypto-zkbob-pairing_ce v0.19.0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35573898558a621f3d8b28a37968340d096a38bd0b899b3c83a45f46e328d1be
[INFO] running `Command { std: "docker" "start" "-a" "35573898558a621f3d8b28a37968340d096a38bd0b899b3c83a45f46e328d1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35573898558a621f3d8b28a37968340d096a38bd0b899b3c83a45f46e328d1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35573898558a621f3d8b28a37968340d096a38bd0b899b3c83a45f46e328d1be", kill_on_drop: false }`
[INFO] [stdout] 35573898558a621f3d8b28a37968340d096a38bd0b899b3c83a45f46e328d1be
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26bcf1456120ddce7dee4fa1a4cfaf0f6966924dc72593a6200ef02ae2d3a3ab
[INFO] running `Command { std: "docker" "start" "-a" "26bcf1456120ddce7dee4fa1a4cfaf0f6966924dc72593a6200ef02ae2d3a3ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ff_derive_ce v0.5.1
[INFO] [stderr]     Checking ff_ce v0.7.1
[INFO] [stderr]     Checking fawkes-crypto-zkbob-pairing_ce v0.19.0
[INFO] [stderr]     Checking fawkes-crypto-zkbob-bellman_ce v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `num_cpus`
[INFO] [stdout]    --> src/domain.rs:503:9
[INFO] [stdout]     |
[INFO] [stdout] 503 |     use num_cpus;
[INFO] [stdout]     |         ^^^^^^^^ no external crate `num_cpus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `num_cpus`
[INFO] [stdout]    --> src/domain.rs:532:9
[INFO] [stdout]     |
[INFO] [stdout] 532 |     use num_cpus;
[INFO] [stdout]     |         ^^^^^^^^ no external crate `num_cpus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `num_cpus`
[INFO] [stdout]    --> src/multiexp.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     use num_cpus;
[INFO] [stdout]     |         ^^^^^^^^ no external crate `num_cpus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `num_cpus`
[INFO] [stdout]    --> src/multiexp.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     use num_cpus;
[INFO] [stdout]     |         ^^^^^^^^ no external crate `num_cpus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]  --> src/log.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[allow(unused_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `cfg_if`
[INFO] [stdout]  --> src/log.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | cfg_if! {
[INFO] [stdout]   | ^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]  --> src/log.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[allow(unused_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `cfg_if`
[INFO] [stdout]  --> src/log.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | cfg_if! {
[INFO] [stdout]   | ^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fawkes-crypto-zkbob-bellman_ce` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "26bcf1456120ddce7dee4fa1a4cfaf0f6966924dc72593a6200ef02ae2d3a3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26bcf1456120ddce7dee4fa1a4cfaf0f6966924dc72593a6200ef02ae2d3a3ab", kill_on_drop: false }`
[INFO] [stdout] 26bcf1456120ddce7dee4fa1a4cfaf0f6966924dc72593a6200ef02ae2d3a3ab