[INFO] fetching crate zkp-stark 0.2.1...
[INFO] checking zkp-stark-0.2.1 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate zkp-stark 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zkp-stark 0.2.1 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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-7/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded page_size v0.4.2
[INFO] [stderr]   Downloaded memadvise v0.1.2
[INFO] [stderr]   Downloaded zkp-u256 v0.2.0
[INFO] [stderr]   Downloaded syn v1.0.45
[INFO] [stderr]   Downloaded zkp-hash v0.2.0
[INFO] [stderr]   Downloaded zkp-elliptic-curve-crypto v0.2.0
[INFO] [stderr]   Downloaded zkp-criterion-utils v0.2.0
[INFO] [stderr]   Downloaded zkp-mmap-vec v0.2.0
[INFO] [stderr]   Downloaded zkp-merkle-tree v0.2.0
[INFO] [stderr]   Downloaded zkp-logging-allocator v0.2.0
[INFO] [stderr]   Downloaded zkp-error-utils v0.2.0
[INFO] [stderr]   Downloaded zkp-elliptic-curve v0.2.0
[INFO] [stderr]   Downloaded zkp-primefield v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55ea23d8b6341c9b45abb54b6c9e28ca1c6399bf42166ee167f0e8de389d7916
[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" "55ea23d8b6341c9b45abb54b6c9e28ca1c6399bf42166ee167f0e8de389d7916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55ea23d8b6341c9b45abb54b6c9e28ca1c6399bf42166ee167f0e8de389d7916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ea23d8b6341c9b45abb54b6c9e28ca1c6399bf42166ee167f0e8de389d7916", kill_on_drop: false }`
[INFO] [stdout] 55ea23d8b6341c9b45abb54b6c9e28ca1c6399bf42166ee167f0e8de389d7916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f79032a50b0e48d56a6f2a6c24501ec7665812e30d94e5e7ef053c9866da6ed
[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" "1f79032a50b0e48d56a6f2a6c24501ec7665812e30d94e5e7ef053c9866da6ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking zkp-error-utils v0.2.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[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]    Compiling num-traits v0.2.12
[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]    Compiling crossbeam-epoch v0.8.2
[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" "1f79032a50b0e48d56a6f2a6c24501ec7665812e30d94e5e7ef053c9866da6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f79032a50b0e48d56a6f2a6c24501ec7665812e30d94e5e7ef053c9866da6ed", kill_on_drop: false }`
[INFO] [stdout] 1f79032a50b0e48d56a6f2a6c24501ec7665812e30d94e5e7ef053c9866da6ed