[INFO] fetching crate hg-core 0.0.1...
[INFO] testing hg-core-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hg-core 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hg-core 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 hg-core 0.0.1
[INFO] finished tweaking crates.io crate hg-core 0.0.1
[INFO] tweaked toml for crates.io crate hg-core 0.0.1 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1c33addacc7fd47cf1126a77e90bde9c36f370bd205845603a369757daa78082
[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" "1c33addacc7fd47cf1126a77e90bde9c36f370bd205845603a369757daa78082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c33addacc7fd47cf1126a77e90bde9c36f370bd205845603a369757daa78082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c33addacc7fd47cf1126a77e90bde9c36f370bd205845603a369757daa78082", kill_on_drop: false }`
[INFO] [stdout] 1c33addacc7fd47cf1126a77e90bde9c36f370bd205845603a369757daa78082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 19f0e46753a89178d6204013e25bf758cba4a8bb761d4f353b54ca13e6c1e68d
[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" "19f0e46753a89178d6204013e25bf758cba4a8bb761d4f353b54ca13e6c1e68d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hg-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "19f0e46753a89178d6204013e25bf758cba4a8bb761d4f353b54ca13e6c1e68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f0e46753a89178d6204013e25bf758cba4a8bb761d4f353b54ca13e6c1e68d", kill_on_drop: false }`
[INFO] [stdout] 19f0e46753a89178d6204013e25bf758cba4a8bb761d4f353b54ca13e6c1e68d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 456072caaf7130a1d6feb4b84dd9239f5801c439691a3d030b0f5678f874ef91
[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" "456072caaf7130a1d6feb4b84dd9239f5801c439691a3d030b0f5678f874ef91", kill_on_drop: false }`
[INFO] [stderr]    Compiling hg-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "456072caaf7130a1d6feb4b84dd9239f5801c439691a3d030b0f5678f874ef91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "456072caaf7130a1d6feb4b84dd9239f5801c439691a3d030b0f5678f874ef91", kill_on_drop: false }`
[INFO] [stdout] 456072caaf7130a1d6feb4b84dd9239f5801c439691a3d030b0f5678f874ef91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9fb8f783ca49c5a60ebe9cfa9610ebca20120dd14b5387fffd34c9488c8e3ce0
[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" "9fb8f783ca49c5a60ebe9cfa9610ebca20120dd14b5387fffd34c9488c8e3ce0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hg-79656fa293f1da64
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test ancestors::tests::test_missing_remove ... ok
[INFO] [stdout] test ancestors::tests::test_next_out_of_range ... ok
[INFO] [stdout] test ancestors::tests::test_nullrev_input ... ok
[INFO] [stdout] test dagops::tests::test_retain_heads ... ok
[INFO] [stdout] test dagops::tests::test_heads ... ok
[INFO] [stdout] test ancestors::tests::test_remove_ancestors_from_case1 ... ok
[INFO] [stdout] test ancestors::tests::test_lazy_contains_iter ... ok
[INFO] [stdout] test ancestors::tests::test_list_ancestor ... ok
[INFO] [stdout] test ancestors::tests::test_contains ... ok
[INFO] [stdout] test ancestors::tests::test_peek ... ok
[INFO] [stdout] test ancestors::tests::test_initrev_out_of_range ... ok
[INFO] [stdout] test ancestors::tests::test_missing_bases ... ok
[INFO] [stdout] test ancestors::tests::test_empty ... ok
[INFO] [stdout] test ancestors::tests::test_lazy_iter_contains ... ok
[INFO] [stdout] test ancestors::tests::test_missing_ancestors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_missing_ancestors-3900482c01361734
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_missing_ancestors_compare_naive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hg
[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" "9fb8f783ca49c5a60ebe9cfa9610ebca20120dd14b5387fffd34c9488c8e3ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb8f783ca49c5a60ebe9cfa9610ebca20120dd14b5387fffd34c9488c8e3ce0", kill_on_drop: false }`
[INFO] [stdout] 9fb8f783ca49c5a60ebe9cfa9610ebca20120dd14b5387fffd34c9488c8e3ce0