[INFO] fetching crate enr 0.5.1...
[INFO] checking enr-0.5.1 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate enr 0.5.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate enr 0.5.1 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enr 0.5.1
[INFO] finished tweaking crates.io crate enr 0.5.1
[INFO] tweaked toml for crates.io crate enr 0.5.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--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 ecdsa v0.11.1
[INFO] [stderr]   Downloaded elliptic-curve v0.9.12
[INFO] [stderr]   Downloaded der v0.3.5
[INFO] [stderr]   Downloaded group v0.9.0
[INFO] [stderr]   Downloaded pkcs8 v0.6.1
[INFO] [stderr]   Downloaded ff v0.9.0
[INFO] [stderr]   Downloaded spki v0.3.0
[INFO] [stderr]   Downloaded const-oid v0.5.2
[INFO] [stderr]   Downloaded k256 v0.8.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b75f946cf95056467899065fd1db6c3e466e3b0df3eb968c9ee8a499967cfa03
[INFO] running `Command { std: "docker" "start" "-a" "b75f946cf95056467899065fd1db6c3e466e3b0df3eb968c9ee8a499967cfa03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b75f946cf95056467899065fd1db6c3e466e3b0df3eb968c9ee8a499967cfa03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75f946cf95056467899065fd1db6c3e466e3b0df3eb968c9ee8a499967cfa03", kill_on_drop: false }`
[INFO] [stdout] b75f946cf95056467899065fd1db6c3e466e3b0df3eb968c9ee8a499967cfa03
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 176aa970554831a25948de7e28ade6fd54d5dbfec4d49e9da4c86bd73b0ae6f2
[INFO] running `Command { std: "docker" "start" "-a" "176aa970554831a25948de7e28ade6fd54d5dbfec4d49e9da4c86bd73b0ae6f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking cfg-if v1.0.0
[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 radium v0.6.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking const-oid v0.5.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking der v0.3.5
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking spki v0.3.0
[INFO] [stderr]     Checking secp256k1 v0.20.2
[INFO] [stderr]     Checking pkcs8 v0.6.1
[INFO] [stderr]     Checking ff v0.9.0
[INFO] [stderr]     Checking group v0.9.0
[INFO] [stderr]     Checking elliptic-curve v0.9.12
[INFO] [stderr]     Checking ecdsa v0.11.1
[INFO] [stderr]     Checking k256 v0.8.1
[INFO] [stderr]     Checking enr v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.14s
[INFO] running `Command { std: "docker" "inspect" "176aa970554831a25948de7e28ade6fd54d5dbfec4d49e9da4c86bd73b0ae6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176aa970554831a25948de7e28ade6fd54d5dbfec4d49e9da4c86bd73b0ae6f2", kill_on_drop: false }`
[INFO] [stdout] 176aa970554831a25948de7e28ade6fd54d5dbfec4d49e9da4c86bd73b0ae6f2