[INFO] crate rbtset 1.0.1 is already in cache
[INFO] testing rbtset-1.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate rbtset 1.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rbtset 1.0.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rbtset 1.0.1
[INFO] finished tweaking crates.io crate rbtset 1.0.1
[INFO] tweaked toml for crates.io crate rbtset 1.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ff4477d9e5a4fd60ab83ce3b34a676211f6a690ac0e68146ba71bf12a485a5e8
[INFO] running `"docker" "start" "-a" "ff4477d9e5a4fd60ab83ce3b34a676211f6a690ac0e68146ba71bf12a485a5e8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rbtset v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/tree.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let node = if let Some(ref root) = self.root {
[INFO] [stderr]     |                                -------- immutable borrow occurs here
[INFO] [stderr] 237 |             self.insert_from(root.duplicate(), data)
[INFO] [stderr]     |             ^^^^             ---- immutable borrow later used here
[INFO] [stderr]     |             |
[INFO] [stderr]     |             mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "ff4477d9e5a4fd60ab83ce3b34a676211f6a690ac0e68146ba71bf12a485a5e8"`
[INFO] running `"docker" "rm" "-f" "ff4477d9e5a4fd60ab83ce3b34a676211f6a690ac0e68146ba71bf12a485a5e8"`
[INFO] [stdout] ff4477d9e5a4fd60ab83ce3b34a676211f6a690ac0e68146ba71bf12a485a5e8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] f6afa97c02149bcf981c4cf816f35b9549ef6e5d49d38d1c5e92892d96d48d3c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f6afa97c02149bcf981c4cf816f35b9549ef6e5d49d38d1c5e92892d96d48d3c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/tree.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let node = if let Some(ref root) = self.root {
[INFO] [stderr]     |                                -------- immutable borrow occurs here
[INFO] [stderr] 237 |             self.insert_from(root.duplicate(), data)
[INFO] [stderr]     |             ^^^^             ---- immutable borrow later used here
[INFO] [stderr]     |             |
[INFO] [stderr]     |             mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling rbtset v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/tree.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let node = if let Some(ref root) = self.root {
[INFO] [stderr]     |                                -------- immutable borrow occurs here
[INFO] [stderr] 237 |             self.insert_from(root.duplicate(), data)
[INFO] [stderr]     |             ^^^^             ---- immutable borrow later used here
[INFO] [stderr]     |             |
[INFO] [stderr]     |             mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "f6afa97c02149bcf981c4cf816f35b9549ef6e5d49d38d1c5e92892d96d48d3c"`
[INFO] running `"docker" "rm" "-f" "f6afa97c02149bcf981c4cf816f35b9549ef6e5d49d38d1c5e92892d96d48d3c"`
[INFO] [stdout] f6afa97c02149bcf981c4cf816f35b9549ef6e5d49d38d1c5e92892d96d48d3c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e94d0cf44a284a09e120610658ec45bb197fc8cca95a34988ca3846026ca437
[INFO] running `"docker" "start" "-a" "9e94d0cf44a284a09e120610658ec45bb197fc8cca95a34988ca3846026ca437"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/tree.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let node = if let Some(ref root) = self.root {
[INFO] [stderr]     |                                -------- immutable borrow occurs here
[INFO] [stderr] 237 |             self.insert_from(root.duplicate(), data)
[INFO] [stderr]     |             ^^^^             ---- immutable borrow later used here
[INFO] [stderr]     |             |
[INFO] [stderr]     |             mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/tree.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let node = if let Some(ref root) = self.root {
[INFO] [stderr]     |                                -------- immutable borrow occurs here
[INFO] [stderr] 237 |             self.insert_from(root.duplicate(), data)
[INFO] [stderr]     |             ^^^^             ---- immutable borrow later used here
[INFO] [stderr]     |             |
[INFO] [stderr]     |             mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rbtset-b9fe826528981c75
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tree::tests::delete_pseudoleaves ... ok
[INFO] [stdout] test tree::tests::insert ... ok
[INFO] [stdout] test tree::tests::clone ... ok
[INFO] [stdout] test tree::tests::rotate_right_parent ... ok
[INFO] [stdout] test tree::tests::rotate_left_root ... ok
[INFO] [stdout] test tree::tests::iterator ... ok
[INFO] [stdout] test tree::tests::repack ... ok
[INFO] [stdout] test tree::tests::rotate_right_root ... ok
[INFO] [stdout] test tree::tests::rotate_left_parent ... ok
[INFO] [stdout] test tree::tests::delete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rbtset
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/lib.rs - Consecutive (line 22) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::len (line 509) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::is_empty (line 525) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::remove (line 253) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::clear (line 275) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::insert (line 227) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::iter_from (line 563) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::get (line 87) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet (line 31) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::first (line 469) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::last (line 489) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::get_node (line 296) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::iter (line 541) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::dump_tree_as_dot (line 737) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::remove_node (line 395) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::values (line 590) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::values_from (line 619) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::repack (line 647) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9e94d0cf44a284a09e120610658ec45bb197fc8cca95a34988ca3846026ca437"`
[INFO] running `"docker" "rm" "-f" "9e94d0cf44a284a09e120610658ec45bb197fc8cca95a34988ca3846026ca437"`
[INFO] [stdout] 9e94d0cf44a284a09e120610658ec45bb197fc8cca95a34988ca3846026ca437