[INFO] fetching crate vru-sphinx 1.5.0...
[INFO] checking vru-sphinx-1.5.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate vru-sphinx 1.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vru-sphinx 1.5.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vru-sphinx 1.5.0
[INFO] finished tweaking crates.io crate vru-sphinx 1.5.0
[INFO] tweaked toml for crates.io crate vru-sphinx 1.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-cipher v0.8.0
[INFO] [stderr]   Downloaded crypto-mac v0.9.1
[INFO] [stderr]   Downloaded hmac v0.9.0
[INFO] [stderr]   Downloaded cryptography v0.3.0
[INFO] [stderr]   Downloaded stream-cipher v0.6.0
[INFO] [stderr]   Downloaded rac v1.3.2
[INFO] [stderr]   Downloaded tirse v0.6.0
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4015607ba67054bcee926f961ea9bfe291c84591c485a621d145160aa3eeee66
[INFO] running `Command { std: "docker" "start" "-a" "4015607ba67054bcee926f961ea9bfe291c84591c485a621d145160aa3eeee66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4015607ba67054bcee926f961ea9bfe291c84591c485a621d145160aa3eeee66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4015607ba67054bcee926f961ea9bfe291c84591c485a621d145160aa3eeee66", kill_on_drop: false }`
[INFO] [stdout] 4015607ba67054bcee926f961ea9bfe291c84591c485a621d145160aa3eeee66
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e41103595aa7bf3ea5142b25c4119b56e06790e076c6cb3f8b07c72fa12bde06
[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" "e41103595aa7bf3ea5142b25c4119b56e06790e076c6cb3f8b07c72fa12bde06", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking secp256k1 v0.20.1
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking tirse v0.6.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rac v1.3.2
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking stream-cipher v0.6.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking cryptography v0.3.0
[INFO] [stderr]     Checking vru-sphinx v1.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.49s
[INFO] running `Command { std: "docker" "inspect" "e41103595aa7bf3ea5142b25c4119b56e06790e076c6cb3f8b07c72fa12bde06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41103595aa7bf3ea5142b25c4119b56e06790e076c6cb3f8b07c72fa12bde06", kill_on_drop: false }`
[INFO] [stdout] e41103595aa7bf3ea5142b25c4119b56e06790e076c6cb3f8b07c72fa12bde06