[INFO] fetching crate curv-kzen 0.2.7...
[INFO] checking curv-kzen-0.2.7 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate curv-kzen 0.2.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate curv-kzen 0.2.7 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate curv-kzen 0.2.7
[INFO] finished tweaking crates.io crate curv-kzen 0.2.7
[INFO] tweaked toml for crates.io crate curv-kzen 0.2.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate curv-kzen 0.2.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7c0dfc9b7b5b6217decfb46cd5d43275fa56fa1a0299637484028fb2dcbe9e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f7c0dfc9b7b5b6217decfb46cd5d43275fa56fa1a0299637484028fb2dcbe9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7c0dfc9b7b5b6217decfb46cd5d43275fa56fa1a0299637484028fb2dcbe9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c0dfc9b7b5b6217decfb46cd5d43275fa56fa1a0299637484028fb2dcbe9e9", kill_on_drop: false }`
[INFO] [stdout] f7c0dfc9b7b5b6217decfb46cd5d43275fa56fa1a0299637484028fb2dcbe9e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08e0215f899edb1714d5da806e6814d82e61bf61e6445179c3c6ab9323bc8381
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08e0215f899edb1714d5da806e6814d82e61bf61e6445179c3c6ab9323bc8381", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking zeroize v0.10.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking rust-gmp-kzen v0.5.0
[INFO] [stderr]     Checking curv-kzen v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `curv`
[INFO] [stdout]  --> examples/pedersen_commitment.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use curv::BigInt;
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `curv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `curv-kzen`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "08e0215f899edb1714d5da806e6814d82e61bf61e6445179c3c6ab9323bc8381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e0215f899edb1714d5da806e6814d82e61bf61e6445179c3c6ab9323bc8381", kill_on_drop: false }`
[INFO] [stdout] 08e0215f899edb1714d5da806e6814d82e61bf61e6445179c3c6ab9323bc8381