[INFO] fetching crate nakamoto-common 0.2.0...
[INFO] checking nakamoto-common-0.2.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate nakamoto-common 0.2.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate nakamoto-common 0.2.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nakamoto-common 0.2.0
[INFO] finished tweaking crates.io crate nakamoto-common 0.2.0
[INFO] tweaked toml for crates.io crate nakamoto-common 0.2.0 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c557bc5638209722c0c18677d97017e8fdae433f4ac35bc9802cdf28f1600e56
[INFO] running `Command { std: "docker" "start" "-a" "c557bc5638209722c0c18677d97017e8fdae433f4ac35bc9802cdf28f1600e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c557bc5638209722c0c18677d97017e8fdae433f4ac35bc9802cdf28f1600e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c557bc5638209722c0c18677d97017e8fdae433f4ac35bc9802cdf28f1600e56", kill_on_drop: false }`
[INFO] [stdout] c557bc5638209722c0c18677d97017e8fdae433f4ac35bc9802cdf28f1600e56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8be9860414be1d15aa402f74883c31de2b68264ffa5e10435bf6ce345bbf234
[INFO] running `Command { std: "docker" "start" "-a" "b8be9860414be1d15aa402f74883c31de2b68264ffa5e10435bf6ce345bbf234", 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 v1.0.74
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]     Checking bitcoin_hashes v0.9.7
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking nonempty v0.5.0
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]     Checking secp256k1 v0.19.0
[INFO] [stderr]    Compiling microserde-derive v0.1.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking microserde v0.1.13
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking bitcoin v0.25.2
[INFO] [stderr]     Checking nakamoto-common v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.12s
[INFO] running `Command { std: "docker" "inspect" "b8be9860414be1d15aa402f74883c31de2b68264ffa5e10435bf6ce345bbf234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8be9860414be1d15aa402f74883c31de2b68264ffa5e10435bf6ce345bbf234", kill_on_drop: false }`
[INFO] [stdout] b8be9860414be1d15aa402f74883c31de2b68264ffa5e10435bf6ce345bbf234