[INFO] fetching crate pow_sha256 0.2.1...
[INFO] checking pow_sha256-0.2.1 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate pow_sha256 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pow_sha256 0.2.1 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 pow_sha256 0.2.1
[INFO] finished tweaking crates.io crate pow_sha256 0.2.1
[INFO] tweaked toml for crates.io crate pow_sha256 0.2.1 written to /workspace/builds/worker-8/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 951d2e4925216801dcf801fe1a9113b174734968c522675945e4af25b60a64d8
[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" "951d2e4925216801dcf801fe1a9113b174734968c522675945e4af25b60a64d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "951d2e4925216801dcf801fe1a9113b174734968c522675945e4af25b60a64d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "951d2e4925216801dcf801fe1a9113b174734968c522675945e4af25b60a64d8", kill_on_drop: false }`
[INFO] [stdout] 951d2e4925216801dcf801fe1a9113b174734968c522675945e4af25b60a64d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7c106cb1fc698337eea5913fd371e1d9a6ed97c11ffbeb55dfa5ef188ed28024
[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" "7c106cb1fc698337eea5913fd371e1d9a6ed97c11ffbeb55dfa5ef188ed28024", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking pow_sha256 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.17s
[INFO] running `Command { std: "docker" "inspect" "7c106cb1fc698337eea5913fd371e1d9a6ed97c11ffbeb55dfa5ef188ed28024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c106cb1fc698337eea5913fd371e1d9a6ed97c11ffbeb55dfa5ef188ed28024", kill_on_drop: false }`
[INFO] [stdout] 7c106cb1fc698337eea5913fd371e1d9a6ed97c11ffbeb55dfa5ef188ed28024