[INFO] fetching crate grin_util 3.1.1...
[INFO] checking grin_util-3.1.1 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate grin_util 3.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate grin_util 3.1.1 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grin_util 3.1.1
[INFO] finished tweaking crates.io crate grin_util 3.1.1
[INFO] tweaked toml for crates.io crate grin_util 3.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1f18d9a80bde3821664c3b56709471673730898f506cf89fc3e2ac64260b4cd
[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" "b1f18d9a80bde3821664c3b56709471673730898f506cf89fc3e2ac64260b4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1f18d9a80bde3821664c3b56709471673730898f506cf89fc3e2ac64260b4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f18d9a80bde3821664c3b56709471673730898f506cf89fc3e2ac64260b4cd", kill_on_drop: false }`
[INFO] [stdout] b1f18d9a80bde3821664c3b56709471673730898f506cf89fc3e2ac64260b4cd
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 787174087f56f39df7ca2cb6b530538050d25994df474722d09f9f92bc003d29
[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" "787174087f56f39df7ca2cb6b530538050d25994df474722d09f9f92bc003d29", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking serde v1.0.112
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking grin_secp256k1zkp v0.7.9
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking grin_util v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.66s
[INFO] running `Command { std: "docker" "inspect" "787174087f56f39df7ca2cb6b530538050d25994df474722d09f9f92bc003d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787174087f56f39df7ca2cb6b530538050d25994df474722d09f9f92bc003d29", kill_on_drop: false }`
[INFO] [stdout] 787174087f56f39df7ca2cb6b530538050d25994df474722d09f9f92bc003d29