[INFO] fetching crate bls_sigs_ref 0.3.0...
[INFO] checking bls_sigs_ref-0.3.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate bls_sigs_ref 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bls_sigs_ref 0.3.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bls_sigs_ref 0.3.0
[INFO] finished tweaking crates.io crate bls_sigs_ref 0.3.0
[INFO] tweaked toml for crates.io crate bls_sigs_ref 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.2
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.2
[INFO] [stderr]   Downloaded ff_derive-zeroize v0.6.2
[INFO] [stderr]   Downloaded ff-zeroize v0.6.3
[INFO] [stderr]   Downloaded pairing-plus v0.19.0
[INFO] [stderr]   Downloaded hex-literal-impl v0.1.2
[INFO] [stderr]   Downloaded hex-literal v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6653e8d7f0984845e8ea28bda68d5d7022063dfa232faa7e7b8e5e7c1a68191
[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" "d6653e8d7f0984845e8ea28bda68d5d7022063dfa232faa7e7b8e5e7c1a68191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6653e8d7f0984845e8ea28bda68d5d7022063dfa232faa7e7b8e5e7c1a68191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6653e8d7f0984845e8ea28bda68d5d7022063dfa232faa7e7b8e5e7c1a68191", kill_on_drop: false }`
[INFO] [stdout] d6653e8d7f0984845e8ea28bda68d5d7022063dfa232faa7e7b8e5e7c1a68191
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5024a4c50eb647343eba3839cf19e004f61743a77af04234f88384c3f850ff1b
[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" "5024a4c50eb647343eba3839cf19e004f61743a77af04234f88384c3f850ff1b", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]    Compiling proc-macro-hack v0.4.2
[INFO] [stderr]    Compiling hex-literal-impl v0.1.2
[INFO] [stderr]     Checking hex-literal v0.1.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking ff-zeroize v0.6.3
[INFO] [stderr]     Checking pairing-plus v0.19.0
[INFO] [stderr]     Checking bls_sigs_ref v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.90s
[INFO] running `Command { std: "docker" "inspect" "5024a4c50eb647343eba3839cf19e004f61743a77af04234f88384c3f850ff1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5024a4c50eb647343eba3839cf19e004f61743a77af04234f88384c3f850ff1b", kill_on_drop: false }`
[INFO] [stdout] 5024a4c50eb647343eba3839cf19e004f61743a77af04234f88384c3f850ff1b