[INFO] fetching crate shred 0.11.0...
[INFO] testing shred-0.11.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate shred 0.11.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate shred 0.11.0 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 shred 0.11.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate shred 0.11.0
[INFO] tweaked toml for crates.io crate shred 0.11.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate shred 0.11.0 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-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] 9f01f5ad936a97e35069307aa1159791dac552c35f23207f8796fe82f75aefcd
[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" "9f01f5ad936a97e35069307aa1159791dac552c35f23207f8796fe82f75aefcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f01f5ad936a97e35069307aa1159791dac552c35f23207f8796fe82f75aefcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f01f5ad936a97e35069307aa1159791dac552c35f23207f8796fe82f75aefcd", kill_on_drop: false }`
[INFO] [stdout] 9f01f5ad936a97e35069307aa1159791dac552c35f23207f8796fe82f75aefcd
[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] 18dcbc339a33c3ca93bcc56e0dce5770eeff06764f94b03b02898098263d9a21
[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" "18dcbc339a33c3ca93bcc56e0dce5770eeff06764f94b03b02898098263d9a21", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling shred-derive v0.6.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling tynm v0.1.6
[INFO] [stderr]    Compiling shred v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.71s
[INFO] running `Command { std: "docker" "inspect" "18dcbc339a33c3ca93bcc56e0dce5770eeff06764f94b03b02898098263d9a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18dcbc339a33c3ca93bcc56e0dce5770eeff06764f94b03b02898098263d9a21", kill_on_drop: false }`
[INFO] [stdout] 18dcbc339a33c3ca93bcc56e0dce5770eeff06764f94b03b02898098263d9a21
[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] 8225cc5d6c74e8b421b343f39bd76b71a52d64ce78cf124dd4f35c1d69d52f3e
[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" "8225cc5d6c74e8b421b343f39bd76b71a52d64ce78cf124dd4f35c1d69d52f3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling shred v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 29.90s
[INFO] running `Command { std: "docker" "inspect" "8225cc5d6c74e8b421b343f39bd76b71a52d64ce78cf124dd4f35c1d69d52f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8225cc5d6c74e8b421b343f39bd76b71a52d64ce78cf124dd4f35c1d69d52f3e", kill_on_drop: false }`
[INFO] [stdout] 8225cc5d6c74e8b421b343f39bd76b71a52d64ce78cf124dd4f35c1d69d52f3e
[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] 8ff83c4b9051fba08c4fe2abc3ecf718b5c11b1574473790678a591a569ca370
[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" "8ff83c4b9051fba08c4fe2abc3ecf718b5c11b1574473790678a591a569ca370", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 57 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shred-36e04b1e6e755777
[INFO] [stdout] test cell::tests::allow_multiple_reads ... ok
[INFO] [stdout] test cell::tests::allow_clone_reads ... ok
[INFO] [stdout] test cell::tests::cloned_borrow_does_not_allow_write ... ok
[INFO] [stdout] test cell::tests::ref_mut_with_non_sized ... ok
[INFO] [stdout] test cell::tests::ref_mut_with_trait_obj ... ok
[INFO] [stdout] test cell::tests::ref_with_non_sized ... ok
[INFO] [stdout] test cell::tests::ref_map_preserves_flag ... ok
[INFO] [stdout] test cell::tests::ref_map_retains_borrow ... ok
[INFO] [stdout] test cell::tests::ref_mut_map_box ... ok
[INFO] [stdout] test cell::tests::ref_mut_map_drops_borrow ... ok
[INFO] [stdout] test cell::tests::allow_single_write ... ok
[INFO] [stdout] test cell::tests::ref_mut_map_preserves_flag ... ok
[INFO] [stdout] test cell::tests::ref_with_non_sized_clone ... ok
[INFO] [stdout] test cell::tests::ref_map_drops_borrow ... ok
[INFO] [stdout] test cell::tests::ref_map_box ... ok
[INFO] [stdout] test cell::tests::ref_with_trait_obj ... ok
[INFO] [stdout] test cell::tests::try_read_and_write ... ok
[INFO] [stdout] test dispatch::par_seq::tests::build_seq ... ok
[INFO] [stdout] test dispatch::dispatcher::tests::stages_async ... ok
[INFO] [stdout] test cell::tests::try_write_and_write ... ok
[INFO] [stdout] test dispatch::batch::tests::test_setup ... ok
[INFO] [stdout] test dispatch::stage::tests::check_intersection_basic ... ok
[INFO] [stdout] test dispatch::stage::tests::conflict_ww_multi ... ok
[INFO] [stdout] test dispatch::par_seq::tests::build_par ... ok
[INFO] [stdout] test dispatch::stage::tests::test_chained_dependency ... ok
[INFO] [stdout] test meta::tests::get ... ok
[INFO] [stdout] test dispatch::stage::tests::conflict_add ... ok
[INFO] [stdout] test world::entry::tests::test_entry ... ok
[INFO] [stdout] test dispatch::stage::tests::conflict_rw ... ok
[INFO] [stdout] test dispatch::stage::tests::conflict_ww ... ok
[INFO] [stdout] test world::tests::add ... ok
[INFO] [stdout] test world::tests::default_works ... ok
[INFO] [stdout] test cell::tests::try_write_and_read ... ok
[INFO] [stdout] test meta::tests::test_iter_all ... ok
[INFO] [stdout] test world::tests::fetch_aspects ... ok
[INFO] [stdout] test world::tests::fetch_by_id ... ok
[INFO] [stdout] test world::tests::fetch_mut_aspects ... ok
[INFO] [stdout] test dispatch::dispatcher::tests::stages ... ok
[INFO] [stdout] test dispatch::batch::tests::test_sequence_batch_execution ... ok
[INFO] [stdout] test world::tests::setup ... ok
[INFO] [stdout] test world::tests::remove_insert ... ok
[INFO] [stdout] test world::tests::system_data ... ok
[INFO] [stdout] test dispatch::stage::tests::uses_group ... ok
[INFO] [stdout] test dispatch::batch::tests::test_parallel_batch_execution ... ok
[INFO] [stdout] test meta::tests::test_iter_all_after_removal ... ok
[INFO] [stdout] test world::tests::exec ... ok
[INFO] [stdout] test dispatch::par_seq::tests::nested_joins ... ok
[INFO] [stdout] test cell::tests::panic_write_and_read ... ok
[INFO] [stdout] test cell::tests::ref_mut_map_retains_mut_borrow ... ok
[INFO] [stdout] test cell::tests::panic_write_and_write ... ok
[INFO] [stdout] test cell::tests::panic_read_and_write ... ok
[INFO] [stdout] test dispatch::dispatcher::tests::dispatcher_panics ... ok
[INFO] [stdout] test world::tests::exec_panic ... ok
[INFO] [stdout] test world::tests::invalid_fetch_by_id0 ... ok
[INFO] [stdout] test world::tests::read_write_fails ... ok
[INFO] [stdout] test world::tests::write_read_fails ... ok
[INFO] [stdout] test world::tests::invalid_fetch_by_id1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dispatch-20143ba7778a0d08
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test dispatch_builder ... ok
[INFO] [stdout] test dispatch_async ... ok
[INFO] [stdout] test dispatch_sequential ... ok
[INFO] [stdout] test dispatch_rw_block_rev ... ok
[INFO] [stdout] test dispatch_stage_group ... ok
[INFO] [stdout] test dispatch_rw_block ... ok
[INFO] [stdout] test dispatch_async_res ... ok
[INFO] [stdout] test dispatch_ww_block ... ok
[INFO] [stdout] test dispatch_basic ... ok
[INFO] [stdout] test dispatch_builder_invalid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dispose-142d75dc027d419d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_dispose ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fetch_panic-bd6b50527aabb237
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/meta_table_safety_113-73badf7d7e5115df
[INFO] [stdout] test try_helpful_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/no_parallel-bccd3b3cbf62e683
[INFO] [stdout] test test_panics ... 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 shred
[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 22 tests
[INFO] [stdout] test src/dispatch/stage.rs - dispatch::stage (line 13) ... ignored
[INFO] [stdout] test src/dispatch/par_seq.rs - seq (line 50) ... ok
[INFO] [stdout] test src/dispatch/par_seq.rs - par (line 19) ... ok
[INFO] [stdout] test src/meta.rs - meta::CastFrom (line 28) ... ok
[INFO] [stdout] test src/cell.rs - cell::Ref::map (line 64) ... ok
[INFO] [stdout] test src/system.rs - system::SystemData (line 221) ... ok
[INFO] [stdout] test src/cell.rs - cell::RefMut::map (line 165) ... ok
[INFO] [stdout] test src/world/mod.rs - world::World::insert (line 225) ... ok
[INFO] [stdout] test src/cell.rs - cell::RefMut::map (line 184) ... ok
[INFO] [stdout] test src/cell.rs - cell::Ref::map (line 83) ... ok
[INFO] [stdout] test src/world/mod.rs - world::World::exec (line 365) ... ok
[INFO] [stdout] test src/world/mod.rs - world::World::exec (line 385) ... ok
[INFO] [stdout] test src/world/entry.rs - world::entry::Entry (line 16) ... ok
[INFO] [stdout] test src/meta.rs - meta::MetaTable (line 171) ... ok
[INFO] [stdout] test src/world/mod.rs - world::World::insert (line 232) ... ok
[INFO] [stdout] test src/dispatch/par_seq.rs - dispatch::par_seq::ParSeq (line 150) ... ok
[INFO] [stdout] test src/dispatch/builder.rs - dispatch::builder::DispatcherBuilder (line 65) ... ok
[INFO] [stdout] test src/world/mod.rs - world::World::setup (line 319) ... ok
[INFO] [stdout] test src/world/mod.rs - world::World::system_data (line 290) ... ok
[INFO] [stdout] test src/dispatch/builder.rs - dispatch::builder::DispatcherBuilder (line 31) ... ok
[INFO] [stdout] test src/world/mod.rs - world::World::setup (line 338) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ff83c4b9051fba08c4fe2abc3ecf718b5c11b1574473790678a591a569ca370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff83c4b9051fba08c4fe2abc3ecf718b5c11b1574473790678a591a569ca370", kill_on_drop: false }`
[INFO] [stdout] 8ff83c4b9051fba08c4fe2abc3ecf718b5c11b1574473790678a591a569ca370