[INFO] crate generational-indextree 1.1.1 is already in cache
[INFO] testing generational-indextree-1.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate generational-indextree 1.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate generational-indextree 1.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generational-indextree 1.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate generational-indextree 1.1.1
[INFO] tweaked toml for crates.io crate generational-indextree 1.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate generational-indextree 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02993e323a6c5770f7e89777745200aced4dcd07a25627ae9c658d13205f2eb9
[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" "02993e323a6c5770f7e89777745200aced4dcd07a25627ae9c658d13205f2eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02993e323a6c5770f7e89777745200aced4dcd07a25627ae9c658d13205f2eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02993e323a6c5770f7e89777745200aced4dcd07a25627ae9c658d13205f2eb9", kill_on_drop: false }`
[INFO] [stdout] 02993e323a6c5770f7e89777745200aced4dcd07a25627ae9c658d13205f2eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a33eef63510449231817e8199377e6d3003fb5c5f5988c8b8750fb58e12eb9f0
[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" "a33eef63510449231817e8199377e6d3003fb5c5f5988c8b8750fb58e12eb9f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling generational-indextree v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "a33eef63510449231817e8199377e6d3003fb5c5f5988c8b8750fb58e12eb9f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33eef63510449231817e8199377e6d3003fb5c5f5988c8b8750fb58e12eb9f0", kill_on_drop: false }`
[INFO] [stdout] a33eef63510449231817e8199377e6d3003fb5c5f5988c8b8750fb58e12eb9f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d07afffa9ee9aaf47175c1fbe8580a3425f89e35e645562c8525870bc073eefa
[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" "d07afffa9ee9aaf47175c1fbe8580a3425f89e35e645562c8525870bc073eefa", kill_on_drop: false }`
[INFO] [stderr]    Compiling generational-indextree v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "d07afffa9ee9aaf47175c1fbe8580a3425f89e35e645562c8525870bc073eefa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07afffa9ee9aaf47175c1fbe8580a3425f89e35e645562c8525870bc073eefa", kill_on_drop: false }`
[INFO] [stdout] d07afffa9ee9aaf47175c1fbe8580a3425f89e35e645562c8525870bc073eefa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c17925dcd5e3f8d748197ec02b243028ad723a6ec595753518fe8f14f04e8e4
[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" "1c17925dcd5e3f8d748197ec02b243028ad723a6ec595753518fe8f14f04e8e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/generational_indextree-aa652c83fda04e07
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/insert_error-4b318a6361ccae6d
[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 4 tests
[INFO] [stdout] test append_self ... ok
[INFO] [stdout] test insert_after_self ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-0fc8e490d9ad41d4
[INFO] [stdout] test insert_before_self ... ok
[INFO] [stdout] test prepend_self ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test get ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test success_create ... ok
[INFO] [stdout] test first_prepend ... ok
[INFO] [stdout] test success_detach ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/remove-c14f876e21d327c4
[INFO] [stdout] test remove ... ok
[INFO] [stdout] test insert_removed_node ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stderr]    Doc-tests generational-indextree
[INFO] [stdout] test last_child_with_no_children ... ok
[INFO] [stdout] test toplevel_with_multiple_children ... ok
[INFO] [stdout] test toplevel_with_single_child ... ok
[INFO] [stdout] test single_child_with_no_children ... ok
[INFO] [stdout] test middle_child_with_single_child ... ok
[INFO] [stdout] test middle_child_with_no_children ... ok
[INFO] [stdout] test first_child_with_no_children ... ok
[INFO] [stdout] test single_child_with_single_child ... ok
[INFO] [stdout] test middle_child_with_multiple_children ... ok
[INFO] [stdout] test toplevel_with_no_child ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::new_node (line 48) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get (line 102) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get2_mut (line 160) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::iter_pairs (line 214) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get_mut (line 135) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::is_empty (line 81) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::count (line 63) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::get (line 112) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::iter (line 185) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_insert_after (line 695) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::ancestors (line 61) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::append (line 474) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_append (line 517) ... ok
[INFO] [stdout] test src/arena.rs - arena::Arena<T>::iter (line 197) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_prepend (line 604) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::checked_insert_before (line 790) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::children (line 178) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::following_siblings (line 143) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::preceding_siblings (line 104) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::detach (line 409) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::prepend (line 561) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::reverse_traverse (line 376) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::insert_before (line 742) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::remove (line 836) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::insert_after (line 646) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::reverse_children (line 213) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::descendants (line 253) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::reverse_traverse (line 342) ... ok
[INFO] [stdout] test src/id.rs - id::NodeId::traverse (line 298) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::previous_sibling (line 166) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::first_child (line 85) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::parent (line 57) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::next_sibling (line 196) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::last_child (line 113) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::next_sibling (line 220) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::previous_sibling (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1c17925dcd5e3f8d748197ec02b243028ad723a6ec595753518fe8f14f04e8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c17925dcd5e3f8d748197ec02b243028ad723a6ec595753518fe8f14f04e8e4", kill_on_drop: false }`
[INFO] [stdout] 1c17925dcd5e3f8d748197ec02b243028ad723a6ec595753518fe8f14f04e8e4