[INFO] fetching crate nerdondon-hopscotch 2.2.0...
[INFO] testing nerdondon-hopscotch-2.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate nerdondon-hopscotch 2.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nerdondon-hopscotch 2.2.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nerdondon-hopscotch 2.2.0
[INFO] finished tweaking crates.io crate nerdondon-hopscotch 2.2.0
[INFO] tweaked toml for crates.io crate nerdondon-hopscotch 2.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2989d47085b93e8da160e0aa549854cee33c67a683b6afb4202bed5b63255e3
[INFO] running `Command { std: "docker" "start" "-a" "f2989d47085b93e8da160e0aa549854cee33c67a683b6afb4202bed5b63255e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2989d47085b93e8da160e0aa549854cee33c67a683b6afb4202bed5b63255e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2989d47085b93e8da160e0aa549854cee33c67a683b6afb4202bed5b63255e3", kill_on_drop: false }`
[INFO] [stdout] f2989d47085b93e8da160e0aa549854cee33c67a683b6afb4202bed5b63255e3
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fca4b9fbbccaa2b1fa52d09eeee90b968180630c218149339af692684aa4fafd
[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" "fca4b9fbbccaa2b1fa52d09eeee90b968180630c218149339af692684aa4fafd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand_distr v0.4.2
[INFO] [stderr]    Compiling nerdondon-hopscotch v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.80s
[INFO] running `Command { std: "docker" "inspect" "fca4b9fbbccaa2b1fa52d09eeee90b968180630c218149339af692684aa4fafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca4b9fbbccaa2b1fa52d09eeee90b968180630c218149339af692684aa4fafd", kill_on_drop: false }`
[INFO] [stdout] fca4b9fbbccaa2b1fa52d09eeee90b968180630c218149339af692684aa4fafd
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e894d6e30056c616daf1811282e5ab08951056c203006fcc4d91f02dc7f6aaf
[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" "3e894d6e30056c616daf1811282e5ab08951056c203006fcc4d91f02dc7f6aaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling pretty_assertions v1.0.0
[INFO] [stderr]    Compiling nerdondon-hopscotch v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "3e894d6e30056c616daf1811282e5ab08951056c203006fcc4d91f02dc7f6aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e894d6e30056c616daf1811282e5ab08951056c203006fcc4d91f02dc7f6aaf", kill_on_drop: false }`
[INFO] [stdout] 3e894d6e30056c616daf1811282e5ab08951056c203006fcc4d91f02dc7f6aaf
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6283900adc9af58877be4c0e9ecf8d73b714cd41bd3c920f97006f745a11af31
[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" "6283900adc9af58877be4c0e9ecf8d73b714cd41bd3c920f97006f745a11af31", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nerdondon_hopscotch-1752f21c728db11c)
[INFO] [stdout] test skiplist::tests::insert_can_add_an_element_between_existing_elements ... ok
[INFO] [stdout] test skiplist::tests::insert_can_add_an_element_before_an_existing_element ... ok
[INFO] [stdout] test skiplist::tests::remove_can_remove_all_elements_from_the_skip_list ... ok
[INFO] [stdout] test skiplist::tests::get_an_element_at_the_head ... ok
[INFO] [stdout] test skiplist::tests::entries_returns_a_vec_with_the_key_value_pairs_of_elements ... ok
[INFO] [stdout] test skiplist::tests::insert_can_add_an_element_after_an_existing_element ... ok
[INFO] [stdout] test skiplist::tests::get_an_element_at_the_tail ... ok
[INFO] [stdout] test skiplist::tests::get_approx_mem_usage_provides_decent_estimates ... ok
[INFO] [stdout] test skiplist::tests::get_an_element_in_the_middle ... ok
[INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_insert_can_add_an_element ... ok
[INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_len_returns_zero ... ok
[INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_remove_does_nothing ... ok
[INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_get_returns_none ... ok
[INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_collect_returns_an_empty_vec ... ok
[INFO] [stdout] test skiplist::tests::with_a_non_empty_skiplist_is_empty_returns_false ... ok
[INFO] [stdout] test skiplist::tests::remove_can_remove_an_item_from_the_front_of_the_skip_list ... ok
[INFO] [stdout] test skiplist::tests::with_a_non_empty_skiplist_getting_a_non_existent_element_returns_none ... ok
[INFO] [stdout] test skiplist::tests::remove_can_remove_an_item_from_the_middle_of_the_skip_list ... ok
[INFO] [stdout] test skiplist::tests::remove_can_remove_an_item_from_the_back_of_the_skip_list ... ok
[INFO] [stderr]    Doc-tests nerdondon-hopscotch
[INFO] [stdout] test skiplist::tests::with_an_empty_skiplist_is_empty_returns_true ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<K,V>::new (line 65) ... ok
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<K,V>::insert (line 145) ... ok
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<K,V>::entries (line 388) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6283900adc9af58877be4c0e9ecf8d73b714cd41bd3c920f97006f745a11af31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6283900adc9af58877be4c0e9ecf8d73b714cd41bd3c920f97006f745a11af31", kill_on_drop: false }`
[INFO] [stdout] 6283900adc9af58877be4c0e9ecf8d73b714cd41bd3c920f97006f745a11af31