[INFO] fetching crate rbtset 1.0.2...
[INFO] testing rbtset-1.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rbtset 1.0.2 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate rbtset 1.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rbtset 1.0.2
[INFO] finished tweaking crates.io crate rbtset 1.0.2
[INFO] tweaked toml for crates.io crate rbtset 1.0.2 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4633d035b222801c9173610e69c23586002ce7bbdaccba77468609564d81d671
[INFO] running `Command { std: "docker" "start" "-a" "4633d035b222801c9173610e69c23586002ce7bbdaccba77468609564d81d671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4633d035b222801c9173610e69c23586002ce7bbdaccba77468609564d81d671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4633d035b222801c9173610e69c23586002ce7bbdaccba77468609564d81d671", kill_on_drop: false }`
[INFO] [stdout] 4633d035b222801c9173610e69c23586002ce7bbdaccba77468609564d81d671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23d46844134b9c129bf6f2990f9b9760e3b907058d0b3a5f297914465f07ffae
[INFO] running `Command { std: "docker" "start" "-a" "23d46844134b9c129bf6f2990f9b9760e3b907058d0b3a5f297914465f07ffae", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbtset v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "23d46844134b9c129bf6f2990f9b9760e3b907058d0b3a5f297914465f07ffae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d46844134b9c129bf6f2990f9b9760e3b907058d0b3a5f297914465f07ffae", kill_on_drop: false }`
[INFO] [stdout] 23d46844134b9c129bf6f2990f9b9760e3b907058d0b3a5f297914465f07ffae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d153dca0fd5dbda3d6ca7a564b6e5cef0ea3c9c7889f049d889814f45feb20f
[INFO] running `Command { std: "docker" "start" "-a" "3d153dca0fd5dbda3d6ca7a564b6e5cef0ea3c9c7889f049d889814f45feb20f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling rbtset v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.85s
[INFO] running `Command { std: "docker" "inspect" "3d153dca0fd5dbda3d6ca7a564b6e5cef0ea3c9c7889f049d889814f45feb20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d153dca0fd5dbda3d6ca7a564b6e5cef0ea3c9c7889f049d889814f45feb20f", kill_on_drop: false }`
[INFO] [stdout] 3d153dca0fd5dbda3d6ca7a564b6e5cef0ea3c9c7889f049d889814f45feb20f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ba626c7a32de0ba73f9d2f9d2f8b43d0247adca6208fdb6998f1015b5f1a963
[INFO] running `Command { std: "docker" "start" "-a" "5ba626c7a32de0ba73f9d2f9d2f8b43d0247adca6208fdb6998f1015b5f1a963", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rbtset-d7f3afd3aae3afc7)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tree::tests::clone ... ok
[INFO] [stdout] test tree::tests::delete ... ok
[INFO] [stdout] test tree::tests::delete_pseudoleaves ... ok
[INFO] [stdout] test tree::tests::iterator ... ok
[INFO] [stdout] test tree::tests::insert ... ok
[INFO] [stdout] test tree::tests::repack ... ok
[INFO] [stdout] test tree::tests::rotate_left_root ... ok
[INFO] [stdout] test tree::tests::rotate_left_parent ... ok
[INFO] [stdout] test tree::tests::rotate_right_root ... ok
[INFO] [stdout] test tree::tests::rotate_right_parent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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>::insert (line 227) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::clear (line 276) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::iter_from (line 564) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::first (line 470) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::is_empty (line 526) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::get (line 87) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::repack (line 648) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::remove_node (line 396) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet (line 31) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::values_from (line 620) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::last (line 490) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::iter (line 542) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::get_node (line 297) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::len (line 510) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::values (line 591) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::remove (line 254) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::dump_tree_as_dot (line 738) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ba626c7a32de0ba73f9d2f9d2f8b43d0247adca6208fdb6998f1015b5f1a963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba626c7a32de0ba73f9d2f9d2f8b43d0247adca6208fdb6998f1015b5f1a963", kill_on_drop: false }`
[INFO] [stdout] 5ba626c7a32de0ba73f9d2f9d2f8b43d0247adca6208fdb6998f1015b5f1a963