[INFO] fetching crate matrixmultiply 0.2.3...
[INFO] checking matrixmultiply-0.2.3 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate matrixmultiply 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate matrixmultiply 0.2.3 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrixmultiply 0.2.3
[INFO] finished tweaking crates.io crate matrixmultiply 0.2.3
[INFO] tweaked toml for crates.io crate matrixmultiply 0.2.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate matrixmultiply 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7c37bc5743ba1a225c1170ff045fe11cfa789964daff1e1750b61a4cff1258e
[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" "b7c37bc5743ba1a225c1170ff045fe11cfa789964daff1e1750b61a4cff1258e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7c37bc5743ba1a225c1170ff045fe11cfa789964daff1e1750b61a4cff1258e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c37bc5743ba1a225c1170ff045fe11cfa789964daff1e1750b61a4cff1258e", kill_on_drop: false }`
[INFO] [stdout] b7c37bc5743ba1a225c1170ff045fe11cfa789964daff1e1750b61a4cff1258e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fa0f3a07ff1c8112046d3bc0aa613dded275b0a895b7c838550cb6d56e2e670
[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" "1fa0f3a07ff1c8112046d3bc0aa613dded275b0a895b7c838550cb6d56e2e670", kill_on_drop: false }`
[INFO] [stderr]     Checking rawpointer v0.2.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking matrixmultiply v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "1fa0f3a07ff1c8112046d3bc0aa613dded275b0a895b7c838550cb6d56e2e670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa0f3a07ff1c8112046d3bc0aa613dded275b0a895b7c838550cb6d56e2e670", kill_on_drop: false }`
[INFO] [stdout] 1fa0f3a07ff1c8112046d3bc0aa613dded275b0a895b7c838550cb6d56e2e670