[INFO] fetching crate uu_factor 0.0.1...
[INFO] testing uu_factor-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate uu_factor 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate uu_factor 0.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_factor 0.0.1
[INFO] finished tweaking crates.io crate uu_factor 0.0.1
[INFO] tweaked toml for crates.io crate uu_factor 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate uu_factor 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b684482c28c89725689c15f33d9a41b12bccf587e15ad69f031d244343fe6a8
[INFO] running `Command { std: "docker" "start" "-a" "7b684482c28c89725689c15f33d9a41b12bccf587e15ad69f031d244343fe6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b684482c28c89725689c15f33d9a41b12bccf587e15ad69f031d244343fe6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b684482c28c89725689c15f33d9a41b12bccf587e15ad69f031d244343fe6a8", kill_on_drop: false }`
[INFO] [stdout] 7b684482c28c89725689c15f33d9a41b12bccf587e15ad69f031d244343fe6a8
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64ab3c40462e05d9a3923562d2edb2aa23fbf9b82829f28d2723236ecef1ba46
[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" "64ab3c40462e05d9a3923562d2edb2aa23fbf9b82829f28d2723236ecef1ba46", kill_on_drop: false }`
[INFO] [stderr]    Compiling uu_factor v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "64ab3c40462e05d9a3923562d2edb2aa23fbf9b82829f28d2723236ecef1ba46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ab3c40462e05d9a3923562d2edb2aa23fbf9b82829f28d2723236ecef1ba46", kill_on_drop: false }`
[INFO] [stdout] 64ab3c40462e05d9a3923562d2edb2aa23fbf9b82829f28d2723236ecef1ba46
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4e1126a02fde796e506b95fc2e057c6b5b1cdc98fd2e276a548594853b160c4
[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" "e4e1126a02fde796e506b95fc2e057c6b5b1cdc98fd2e276a548594853b160c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling uu_factor v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "e4e1126a02fde796e506b95fc2e057c6b5b1cdc98fd2e276a548594853b160c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e1126a02fde796e506b95fc2e057c6b5b1cdc98fd2e276a548594853b160c4", kill_on_drop: false }`
[INFO] [stdout] e4e1126a02fde796e506b95fc2e057c6b5b1cdc98fd2e276a548594853b160c4
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 574c3513aaba6cfd10d14afd2397906e63f0fc90b52b81e691b2aa7bf9a3984f
[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" "574c3513aaba6cfd10d14afd2397906e63f0fc90b52b81e691b2aa7bf9a3984f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uu_factor-0872a8c60170ed78
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/factor-6947bd98451659b4
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests uu_factor
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "574c3513aaba6cfd10d14afd2397906e63f0fc90b52b81e691b2aa7bf9a3984f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "574c3513aaba6cfd10d14afd2397906e63f0fc90b52b81e691b2aa7bf9a3984f", kill_on_drop: false }`
[INFO] [stdout] 574c3513aaba6cfd10d14afd2397906e63f0fc90b52b81e691b2aa7bf9a3984f