[INFO] fetching crate matrixcompare 0.1.3...
[INFO] checking matrixcompare-0.1.3 against beta for pr-78714
[INFO] extracting crate matrixcompare 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate matrixcompare 0.1.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrixcompare 0.1.3
[INFO] finished tweaking crates.io crate matrixcompare 0.1.3
[INFO] tweaked toml for crates.io crate matrixcompare 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b94524805b450ee57dfcbb56babb52f7845863e9b66cf54724361bba45a9bd0d
[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" "b94524805b450ee57dfcbb56babb52f7845863e9b66cf54724361bba45a9bd0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b94524805b450ee57dfcbb56babb52f7845863e9b66cf54724361bba45a9bd0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94524805b450ee57dfcbb56babb52f7845863e9b66cf54724361bba45a9bd0d", kill_on_drop: false }`
[INFO] [stdout] b94524805b450ee57dfcbb56babb52f7845863e9b66cf54724361bba45a9bd0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d71deaddbe0e35370c47449897bc1b3f5d0170c15f2ca57af523fe132c1dfa43
[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" "d71deaddbe0e35370c47449897bc1b3f5d0170c15f2ca57af523fe132c1dfa43", kill_on_drop: false }`
[INFO] [stderr]     Checking matrixcompare-core v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking matrixcompare v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking matrixcompare-mock v0.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.12s
[INFO] running `Command { std: "docker" "inspect" "d71deaddbe0e35370c47449897bc1b3f5d0170c15f2ca57af523fe132c1dfa43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71deaddbe0e35370c47449897bc1b3f5d0170c15f2ca57af523fe132c1dfa43", kill_on_drop: false }`
[INFO] [stdout] d71deaddbe0e35370c47449897bc1b3f5d0170c15f2ca57af523fe132c1dfa43