[INFO] fetching crate mendel 0.0.2...
[INFO] testing mendel-0.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mendel 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mendel 0.0.2 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 mendel 0.0.2
[INFO] finished tweaking crates.io crate mendel 0.0.2
[INFO] tweaked toml for crates.io crate mendel 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 297389e28604ba0394c4277f15183e1925d8c419e7b3af1c77b43762e5f32d6c
[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" "297389e28604ba0394c4277f15183e1925d8c419e7b3af1c77b43762e5f32d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "297389e28604ba0394c4277f15183e1925d8c419e7b3af1c77b43762e5f32d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297389e28604ba0394c4277f15183e1925d8c419e7b3af1c77b43762e5f32d6c", kill_on_drop: false }`
[INFO] [stdout] 297389e28604ba0394c4277f15183e1925d8c419e7b3af1c77b43762e5f32d6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 73640e79a63e8128b19e5c10fa09dffe7417bb463f599f5c3af89005b062443b
[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" "73640e79a63e8128b19e5c10fa09dffe7417bb463f599f5c3af89005b062443b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mendel v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "73640e79a63e8128b19e5c10fa09dffe7417bb463f599f5c3af89005b062443b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73640e79a63e8128b19e5c10fa09dffe7417bb463f599f5c3af89005b062443b", kill_on_drop: false }`
[INFO] [stdout] 73640e79a63e8128b19e5c10fa09dffe7417bb463f599f5c3af89005b062443b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb7b29c710fdba7f29ec68c172dd093c8bbe5f15f4379308b607a6317f5470a0
[INFO] running `Command { std: "docker" "start" "-a" "cb7b29c710fdba7f29ec68c172dd093c8bbe5f15f4379308b607a6317f5470a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mendel v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "cb7b29c710fdba7f29ec68c172dd093c8bbe5f15f4379308b607a6317f5470a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7b29c710fdba7f29ec68c172dd093c8bbe5f15f4379308b607a6317f5470a0", kill_on_drop: false }`
[INFO] [stdout] cb7b29c710fdba7f29ec68c172dd093c8bbe5f15f4379308b607a6317f5470a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 046fa5f1cd7facbacac19977749526981b9f02bffbdd00a7b379c4dcb8840f2c
[INFO] running `Command { std: "docker" "start" "-a" "046fa5f1cd7facbacac19977749526981b9f02bffbdd00a7b379c4dcb8840f2c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mendel-f7b1ae3bb537f60f
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_set_max_sims ... ok
[INFO] [stdout] test tests::test_bag ... ok
[INFO] [stdout] test tests::test_sample ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mendel
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/bag.rs - bag::Bag<T>::from_range (line 33) ... ok
[INFO] [stdout] test src/bag.rs - bag::Bag<T>::from_vec (line 51) ... ok
[INFO] [stdout] test src/bag.rs - bag::Bag<T>::set_max_sims (line 133) ... ok
[INFO] [stdout] test src/bag.rs - bag::Bag<T>::one (line 68) ... ok
[INFO] [stdout] test src/bag.rs - bag::Bag<T>::sample (line 94) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "046fa5f1cd7facbacac19977749526981b9f02bffbdd00a7b379c4dcb8840f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "046fa5f1cd7facbacac19977749526981b9f02bffbdd00a7b379c4dcb8840f2c", kill_on_drop: false }`
[INFO] [stdout] 046fa5f1cd7facbacac19977749526981b9f02bffbdd00a7b379c4dcb8840f2c