[INFO] fetching crate signatory-secp256k1 0.22.0...
[INFO] checking signatory-secp256k1-0.22.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate signatory-secp256k1 0.22.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate signatory-secp256k1 0.22.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signatory-secp256k1 0.22.0
[INFO] finished tweaking crates.io crate signatory-secp256k1 0.22.0
[INFO] tweaked toml for crates.io crate signatory-secp256k1 0.22.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6aadd5c7e9fe044e0d8faba0bd8042bfafc11304a64d6d90d943e480e0e6f237
[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" "6aadd5c7e9fe044e0d8faba0bd8042bfafc11304a64d6d90d943e480e0e6f237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aadd5c7e9fe044e0d8faba0bd8042bfafc11304a64d6d90d943e480e0e6f237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aadd5c7e9fe044e0d8faba0bd8042bfafc11304a64d6d90d943e480e0e6f237", kill_on_drop: false }`
[INFO] [stdout] 6aadd5c7e9fe044e0d8faba0bd8042bfafc11304a64d6d90d943e480e0e6f237
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c7762d2a1c7c8283c5cbfe9f8d051f7706333176347c1ae0b165b8f1f8d6b9e
[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" "3c7762d2a1c7c8283c5cbfe9f8d051f7706333176347c1ae0b165b8f1f8d6b9e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking secp256k1 v0.19.0
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking elliptic-curve v0.6.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling signature_derive v1.0.0-pre.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking ecdsa v0.8.5
[INFO] [stderr]     Checking k256 v0.5.10
[INFO] [stderr]     Checking signatory v0.22.0
[INFO] [stderr]     Checking signatory-secp256k1 v0.22.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.98s
[INFO] running `Command { std: "docker" "inspect" "3c7762d2a1c7c8283c5cbfe9f8d051f7706333176347c1ae0b165b8f1f8d6b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7762d2a1c7c8283c5cbfe9f8d051f7706333176347c1ae0b165b8f1f8d6b9e", kill_on_drop: false }`
[INFO] [stdout] 3c7762d2a1c7c8283c5cbfe9f8d051f7706333176347c1ae0b165b8f1f8d6b9e