[INFO] fetching crate zkp-stark 0.2.1...
[INFO] checking zkp-stark-0.2.1 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate zkp-stark 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate zkp-stark 0.2.1 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zkp-stark 0.2.1
[INFO] finished tweaking crates.io crate zkp-stark 0.2.1
[INFO] tweaked toml for crates.io crate zkp-stark 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate zkp-stark 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zkp-elliptic-curve v0.2.0
[INFO] [stderr]   Downloaded zkp-error-utils v0.2.0
[INFO] [stderr]   Downloaded zkp-hash v0.2.0
[INFO] [stderr]   Downloaded zkp-elliptic-curve-crypto v0.2.0
[INFO] [stderr]   Downloaded zkp-mmap-vec v0.2.0
[INFO] [stderr]   Downloaded zkp-criterion-utils v0.2.0
[INFO] [stderr]   Downloaded zkp-primefield v0.2.0
[INFO] [stderr]   Downloaded zkp-logging-allocator v0.2.0
[INFO] [stderr]   Downloaded zkp-merkle-tree v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6d32d70f4d29a9a365815e06206a4288ca12d7c2f2b42a9fc824a81d087e02f
[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" "c6d32d70f4d29a9a365815e06206a4288ca12d7c2f2b42a9fc824a81d087e02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6d32d70f4d29a9a365815e06206a4288ca12d7c2f2b42a9fc824a81d087e02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d32d70f4d29a9a365815e06206a4288ca12d7c2f2b42a9fc824a81d087e02f", kill_on_drop: false }`
[INFO] [stdout] c6d32d70f4d29a9a365815e06206a4288ca12d7c2f2b42a9fc824a81d087e02f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c2daad2ea107eefe81eba0927532ca988985f13c4a8e054f9623c4695d93784
[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" "8c2daad2ea107eefe81eba0927532ca988985f13c4a8e054f9623c4695d93784", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking zkp-error-utils v0.2.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stdout] error[E0453]: warn(unsafe_code) incompatible with previous forbid in same scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zkp-error-utils-0.2.0/src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | #![forbid(unsafe_code)]
[INFO] [stdout]    |           ----------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 35 |     unsafe_code,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zkp-error-utils`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8c2daad2ea107eefe81eba0927532ca988985f13c4a8e054f9623c4695d93784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2daad2ea107eefe81eba0927532ca988985f13c4a8e054f9623c4695d93784", kill_on_drop: false }`
[INFO] [stdout] 8c2daad2ea107eefe81eba0927532ca988985f13c4a8e054f9623c4695d93784