[INFO] fetching crate dashmap 4.0.1...
[INFO] testing dashmap-4.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate dashmap 4.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dashmap 4.0.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dashmap 4.0.1
[INFO] finished tweaking crates.io crate dashmap 4.0.1
[INFO] tweaked toml for crates.io crate dashmap 4.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a77748ade6bb3ead967286638c3bacab28c5bc484c8b1d8d2678f91897314efa
[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" "a77748ade6bb3ead967286638c3bacab28c5bc484c8b1d8d2678f91897314efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a77748ade6bb3ead967286638c3bacab28c5bc484c8b1d8d2678f91897314efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a77748ade6bb3ead967286638c3bacab28c5bc484c8b1d8d2678f91897314efa", kill_on_drop: false }`
[INFO] [stdout] a77748ade6bb3ead967286638c3bacab28c5bc484c8b1d8d2678f91897314efa
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6da3d8c2d3e55ae62747103f5cc3f13490b552b97f17aa2c88af76242cef7766
[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" "6da3d8c2d3e55ae62747103f5cc3f13490b552b97f17aa2c88af76242cef7766", kill_on_drop: false }`
[INFO] [stderr]    Compiling dashmap v4.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "6da3d8c2d3e55ae62747103f5cc3f13490b552b97f17aa2c88af76242cef7766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da3d8c2d3e55ae62747103f5cc3f13490b552b97f17aa2c88af76242cef7766", kill_on_drop: false }`
[INFO] [stdout] 6da3d8c2d3e55ae62747103f5cc3f13490b552b97f17aa2c88af76242cef7766
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c32832d3735c7aeee0b5cc03db4d5e90884a33f7fe1ee4262faf78785d35387
[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" "7c32832d3735c7aeee0b5cc03db4d5e90884a33f7fe1ee4262faf78785d35387", kill_on_drop: false }`
[INFO] [stderr]    Compiling dashmap v4.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "7c32832d3735c7aeee0b5cc03db4d5e90884a33f7fe1ee4262faf78785d35387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c32832d3735c7aeee0b5cc03db4d5e90884a33f7fe1ee4262faf78785d35387", kill_on_drop: false }`
[INFO] [stdout] 7c32832d3735c7aeee0b5cc03db4d5e90884a33f7fe1ee4262faf78785d35387
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d1129ca5fc24f7971e4307e14ea6380ed0fb6c90d4155d5e5769ba7e61ca63e
[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" "7d1129ca5fc24f7971e4307e14ea6380ed0fb6c90d4155d5e5769ba7e61ca63e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dashmap-b6b5457eef3dcf64
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test lock::tests::test_force_read_decrement ... ok
[INFO] [stdout] test lock::tests::test_into_inner_drop ... ok
[INFO] [stdout] test lock::tests::smoke ... ok
[INFO] [stdout] test lock::tests::test_force_write_unlock ... ok
[INFO] [stdout] test lock::tests::test_into_inner ... ok
[INFO] [stdout] test lock::tests::test_rw_try_read ... ok
[INFO] [stdout] test lock::tests::test_rwlock_try_write ... ok
[INFO] [stdout] test iter::tests::iter_mut_manual_count ... ok
[INFO] [stdout] test tests::test_default ... ok
[INFO] [stdout] test read_only::tests::test_properties ... ok
[INFO] [stdout] test lock::tests::test_rwlock_unsized ... ok
[INFO] [stdout] test iter::tests::iter_count ... ok
[INFO] [stdout] test iter::tests::iter_mut_count ... ok
[INFO] [stdout] test tests::test_multiple_hashes ... ok
[INFO] [stdout] test tests::test_more_complex_values ... ok
[INFO] [stdout] test set::tests::test_basic ... ok
[INFO] [stdout] test read_only::tests::test_iters ... ok
[INFO] [stdout] test tests::test_different_hashers_randomstate ... ok
[INFO] [stdout] test lock::tests::test_rw_arc ... ok
[INFO] [stdout] test set::tests::test_multiple_hashes ... ok
[INFO] [stdout] test tests::test_basic ... ok
[INFO] [stdout] test lock::tests::test_upgrade_downgrade ... ok
[INFO] [stdout] test read_only::tests::test_get ... ok
[INFO] [stdout] test set::tests::test_default ... ok
[INFO] [stdout] test lock::tests::test_rw_access_in_unwind ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dashmap
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test src/iter.rs - iter::Iter (line 108) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::contains_key (line 587) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::is_empty (line 495) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, RandomState>::new (line 105) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::get_mut (line 426) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::insert (line 304) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::hasher (line 284) ... ok
[INFO] [stdout] test src/iter.rs - iter::IterMut (line 185) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::clear (line 511) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::alter_all (line 563) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, RandomState>::with_capacity (line 119) ... ok
[INFO] [stdout] test src/iter.rs - iter::OwningIter (line 17) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::get (line 405) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::iter (line 370) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::alter (line 537) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::iter_mut (line 387) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::len (line 476) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::remove_if (line 340) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::remove (line 320) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::with_hasher (line 141) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::remove_if (line 348) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::insert (line 198) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, RandomState>::with_capacity (line 70) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::get (line 276) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::clear (line 350) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::with_capacity_and_hasher (line 157) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::contains (line 372) ... ok
[INFO] [stdout] test src/lib.rs - DashMap<K, V, S>::retain (line 456) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, RandomState>::new (line 56) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::is_empty (line 336) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::remove (line 212) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::len (line 319) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::remove_if (line 238) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::iter (line 259) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::with_hasher (line 87) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::remove_if (line 230) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::with_capacity_and_hasher (line 103) ... ok
[INFO] [stdout] test src/set.rs - set::DashSet<K, S>::retain (line 301) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d1129ca5fc24f7971e4307e14ea6380ed0fb6c90d4155d5e5769ba7e61ca63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1129ca5fc24f7971e4307e14ea6380ed0fb6c90d4155d5e5769ba7e61ca63e", kill_on_drop: false }`
[INFO] [stdout] 7d1129ca5fc24f7971e4307e14ea6380ed0fb6c90d4155d5e5769ba7e61ca63e