[INFO] fetching crate ethash 0.4.0...
[INFO] checking ethash-0.4.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate ethash 0.4.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate ethash 0.4.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethash 0.4.0
[INFO] finished tweaking crates.io crate ethash 0.4.0
[INFO] tweaked toml for crates.io crate ethash 0.4.0 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20dd396f7fc065069b7d074f5d3536ff05a6f1cbef11371fa12dc052cf3eb4f7
[INFO] running `Command { std: "docker" "start" "-a" "20dd396f7fc065069b7d074f5d3536ff05a6f1cbef11371fa12dc052cf3eb4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20dd396f7fc065069b7d074f5d3536ff05a6f1cbef11371fa12dc052cf3eb4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20dd396f7fc065069b7d074f5d3536ff05a6f1cbef11371fa12dc052cf3eb4f7", kill_on_drop: false }`
[INFO] [stdout] 20dd396f7fc065069b7d074f5d3536ff05a6f1cbef11371fa12dc052cf3eb4f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f017894c013f752a62cf28a90a72a29b8dec4a32c0caeec8f322f6c09ccda580
[INFO] running `Command { std: "docker" "start" "-a" "f017894c013f752a62cf28a90a72a29b8dec4a32c0caeec8f322f6c09ccda580", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking parity-scale-codec v1.3.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking fixed-hash v0.5.2
[INFO] [stderr]     Checking ethbloom v0.8.1
[INFO] [stderr]     Checking primitive-types v0.6.2
[INFO] [stderr]     Checking ethereum-types v0.8.0
[INFO] [stderr]     Checking ethash v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.18s
[INFO] running `Command { std: "docker" "inspect" "f017894c013f752a62cf28a90a72a29b8dec4a32c0caeec8f322f6c09ccda580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f017894c013f752a62cf28a90a72a29b8dec4a32c0caeec8f322f6c09ccda580", kill_on_drop: false }`
[INFO] [stdout] f017894c013f752a62cf28a90a72a29b8dec4a32c0caeec8f322f6c09ccda580