[INFO] fetching crate skiplist 0.4.0...
[INFO] testing skiplist-0.4.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate skiplist 0.4.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate skiplist 0.4.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skiplist 0.4.0
[INFO] finished tweaking crates.io crate skiplist 0.4.0
[INFO] tweaked toml for crates.io crate skiplist 0.4.0 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 790ebe98b21f283030e711ff05d3cc809db9373322cfb69c7faac78c5b5b5dd0
[INFO] running `Command { std: "docker" "start" "-a" "790ebe98b21f283030e711ff05d3cc809db9373322cfb69c7faac78c5b5b5dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "790ebe98b21f283030e711ff05d3cc809db9373322cfb69c7faac78c5b5b5dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790ebe98b21f283030e711ff05d3cc809db9373322cfb69c7faac78c5b5b5dd0", kill_on_drop: false }`
[INFO] [stdout] 790ebe98b21f283030e711ff05d3cc809db9373322cfb69c7faac78c5b5b5dd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 125acf8e1481b795102afe51c41b556d6da82d3042ef24b4663b8a8330307c9f
[INFO] running `Command { std: "docker" "start" "-a" "125acf8e1481b795102afe51c41b556d6da82d3042ef24b4663b8a8330307c9f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling skiplist v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "125acf8e1481b795102afe51c41b556d6da82d3042ef24b4663b8a8330307c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125acf8e1481b795102afe51c41b556d6da82d3042ef24b4663b8a8330307c9f", kill_on_drop: false }`
[INFO] [stdout] 125acf8e1481b795102afe51c41b556d6da82d3042ef24b4663b8a8330307c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebf5d59b37ae58d2a6037b104ceaa0d7253d2a0abda52283499f99fa666bd3a3
[INFO] running `Command { std: "docker" "start" "-a" "ebf5d59b37ae58d2a6037b104ceaa0d7253d2a0abda52283499f99fa666bd3a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling skiplist v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.42s
[INFO] running `Command { std: "docker" "inspect" "ebf5d59b37ae58d2a6037b104ceaa0d7253d2a0abda52283499f99fa666bd3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf5d59b37ae58d2a6037b104ceaa0d7253d2a0abda52283499f99fa666bd3a3", kill_on_drop: false }`
[INFO] [stdout] ebf5d59b37ae58d2a6037b104ceaa0d7253d2a0abda52283499f99fa666bd3a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37d1d6ea91e0039f5ceb1c09ef0c814497cbbbe9a787a0b47831ffaf6f2baf90
[INFO] running `Command { std: "docker" "start" "-a" "37d1d6ea91e0039f5ceb1c09ef0c814497cbbbe9a787a0b47831ffaf6f2baf90", 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]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/skiplist-05cc1c2d2c420c77)
[INFO] [stdout] 
[INFO] [stdout] running 76 tests
[INFO] [stdout] test ordered_skiplist::tests::range_small ... ok
[INFO] [stdout] test level_generator::tests::new ... ok
[INFO] [stdout] test ordered_skiplist::tests::basic_small ... ok
[INFO] [stdout] test level_generator::tests::invalid_p_0 - should panic ... ok
[INFO] [stdout] test skiplist::tests::insert_rand ... ok
[INFO] [stdout] test skiplist::tests::append_test ... ok
[INFO] [stdout] test skiplist::tests::insert_repeat ... ok
[INFO] [stdout] test skiplist::tests::debug_display ... ok
[INFO] [stdout] test skiplist::tests::equality ... ok
[INFO] [stdout] test skiplist::tests::inplace_mut ... ok
[INFO] [stdout] test ordered_skiplist::tests::range_1000 ... ok
[INFO] [stdout] test ordered_skiplist::tests::clear ... ok
[INFO] [stdout] test level_generator::tests::invalid_p_1 - should panic ... ok
[INFO] [stdout] test ordered_skiplist::tests::debug_display ... ok
[INFO] [stdout] test skiplist::tests::push_back ... ok
[INFO] [stdout] test ordered_skiplist::tests::contains ... ok
[INFO] [stdout] test skiplist::tests::last ... ok
[INFO] [stdout] test level_generator::tests::invalid_total - should panic ... ok
[INFO] [stdout] test skipmap::tests::basic_small ... ok
[INFO] [stdout] test skiplist::tests::basic_small ... ok
[INFO] [stdout] test skiplist::tests::range_small ... ok
[INFO] [stdout] test skiplist::tests::contains ... ok
[INFO] [stdout] test skipmap::tests::debug_display ... ok
[INFO] [stdout] test ordered_skiplist::tests::sort_by ... ok
[INFO] [stdout] test skipmap::tests::clear ... ok
[INFO] [stdout] test skipmap::tests::contains ... ok
[INFO] [stdout] test skiplist::tests::clear ... ok
[INFO] [stdout] test ordered_skiplist::tests::remove_index ... ok
[INFO] [stdout] test ordered_skiplist::tests::remove ... ok
[INFO] [stdout] test skiplist::tests::push_front ... ok
[INFO] [stdout] test ordered_skiplist::tests::with_comp ... ok
[INFO] [stdout] test ordered_skiplist::tests::equality ... ok
[INFO] [stdout] test skipmap::tests::insert_existing ... ok
[INFO] [stdout] test skipmap::tests::range_small ... ok
[INFO] [stdout] test skipnode::test::miri_test_distance ... ok
[INFO] [stdout] test skipnode::test::miri_test_insert ... ok
[INFO] [stdout] test skipnode::test::miri_test_iter ... ok
[INFO] [stdout] test skipnode::test::miri_test_into_iter ... ok
[INFO] [stdout] test skipnode::test::test_covariance ... ok
[INFO] [stdout] test skipnode::test::test_level_required ... ok
[INFO] [stdout] test skipnode::test::miri_test_retain ... ok
[INFO] [stdout] test skipnode::test::test_level_index ... ok
[INFO] [stdout] test skipnode::test::miri_test_check ... ok
[INFO] [stdout] test skipnode::test::miri_test_remove ... ok
[INFO] [stdout] test skipnode::test::miri_test_iter_mut ... ok
[INFO] [stdout] test skipmap::tests::iter_key_val ... ok
[INFO] [stdout] test skiplist::tests::range_1000 ... ok
[INFO] [stdout] test skipmap::tests::equality ... ok
[INFO] [stdout] test skipmap::tests::iter_mixed ... ok
[INFO] [stdout] test skipmap::tests::index_pop ... ok
[INFO] [stdout] test skiplist::tests::remove_rand ... ok
[INFO] [stdout] test skiplist::tests::range_mut_1000 ... ok
[INFO] [stdout] test ordered_skiplist::tests::sort_by_panic - should panic ... ok
[INFO] [stdout] test skipmap::tests::iter_rev ... ok
[INFO] [stdout] test skipmap::tests::range_1000 ... ok
[INFO] [stdout] test ordered_skiplist::tests::index_pop ... ok
[INFO] [stdout] test skiplist::tests::index_pop ... ok
[INFO] [stdout] test skipmap::tests::remove_index ... ok
[INFO] [stdout] test ordered_skiplist::tests::pop ... ok
[INFO] [stdout] test skiplist::tests::iter_rev ... ok
[INFO] [stdout] test skiplist::tests::iter_mixed ... ok
[INFO] [stdout] test skiplist::tests::iter ... ok
[INFO] [stdout] test ordered_skiplist::tests::iter_mixed ... ok
[INFO] [stdout] test ordered_skiplist::tests::iter_rev ... ok
[INFO] [stdout] test ordered_skiplist::tests::dedup ... ok
[INFO] [stdout] test skipmap::tests::iter ... ok
[INFO] [stdout] test ordered_skiplist::tests::iter ... ok
[INFO] [stdout] test ordered_skiplist::tests::basic_large ... ok
[INFO] [stdout] test ordered_skiplist::tests::retain ... ok
[INFO] [stdout] test skipmap::tests::basic_large ... ok
[INFO] [stdout] test skiplist::tests::dedup ... ok
[INFO] [stdout] test ordered_skiplist::tests::range ... ok
[INFO] [stdout] test skiplist::tests::retain ... ok
[INFO] [stdout] test skiplist::tests::range ... ok
[INFO] [stdout] test skipmap::tests::range ... ok
[INFO] [stdout] test skiplist::tests::basic_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 76 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.98s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests skiplist
[INFO] [stdout] 
[INFO] [stdout] running 69 tests
[INFO] [stdout] test src/ordered_skiplist.rs - ordered_skiplist::OrderedSkipList<T>::retain (line 535) ... FAILED
[INFO] [stdout] test src/skipmap.rs - skipmap::SkipMap<K, V>::back (line 239) ... FAILED
[INFO] [stdout] test src/ordered_skiplist.rs - ordered_skiplist::OrderedSkipList<T>::remove_first (line 479) ... FAILED
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<T>::get (line 294) ... FAILED
[INFO] [stdout] test src/skipmap.rs - skipmap::SkipMap<K, V>::iter_mut (line 497) ... FAILED
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<T>::range_mut (line 521) ... FAILED
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<T>::retain (line 412) ... FAILED
[INFO] [stdout] test src/skipmap.rs - skipmap::SkipMap<K, V>::range (line 553) ... FAILED
[INFO] [stdout] test src/skipmap.rs - skipmap::SkipMap<K, V>::pop_back (line 359) ... FAILED
[INFO] [stdout] test src/ordered_skiplist.rs - ordered_skiplist::OrderedSkipList<T>::front (line 301) ... FAILED
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<T>::range (line 488) ... FAILED
[INFO] [stdout] test src/ordered_skiplist.rs - ordered_skiplist::OrderedSkipList<T>::range (line 615) ... FAILED
[INFO] [stdout] test src/skipmap.rs - skipmap::SkipMap<K, V>::get_mut (line 305) ... FAILED
[INFO] [stdout] test src/skipmap.rs - skipmap::SkipMap<K, V>::with_capacity (line 91) ... FAILED
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<T>::front_mut (line 220) ... FAILED
[INFO] [stdout] test src/ordered_skiplist.rs - ordered_skiplist::OrderedSkipList<T>::contains (line 424) ... FAILED
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<T>::insert (line 139) ... FAILED
[INFO] [stdout] test src/ordered_skiplist.rs - ordered_skiplist::OrderedSkipList<T>::into_iter (line 574) ... FAILED
[INFO] [stdout] test src/ordered_skiplist.rs - ordered_skiplist::OrderedSkipList<T>::with_capacity (line 101) ... FAILED
[INFO] [stdout] test src/skipmap.rs - skipmap::SkipMap<K, V>::new (line 69) ... FAILED
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<T>::back_mut (line 269) ... FAILED
[INFO] [stdout] test src/skipmap.rs - skipmap::SkipMap<K, V>::remove (line 405) ... FAILED
[INFO] [stdout] test src/ordered_skiplist.rs - ordered_skiplist::OrderedSkipList<T>::new (line 68) ... FAILED
[INFO] [stdout] test src/ordered_skiplist.rs - ordered_skiplist::OrderedSkipList<T>::remove (line 453) ... FAILED
[INFO] [stdout] test src/skipmap.rs - skipmap::SkipMap<K, V>::keys (line 515) ... FAILED
[INFO] [stdout] test src/skipmap.rs - skipmap::SkipMap<K, V>::len (line 161) ... FAILED
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<T>::get_mut (line 313) ... FAILED
[INFO] [stdout] test src/ordered_skiplist.rs - ordered_skiplist::OrderedSkipList<T>::get (line 350) ... FAILED
[INFO] [stdout] test src/skipmap.rs - skipmap::SkipMap<K, V>::front_mut (line 219) ... FAILED
[INFO] [stdout] test src/skipmap.rs - skipmap::SkipMap<K, V>::get (line 282) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name skiplist --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-57f2030ba1df0982.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-1a871e9a3807fb3d.rlib --extern skiplist=/opt/rustwide/target/debug/deps/libskiplist-4c05f335f6e3a96f.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "37d1d6ea91e0039f5ceb1c09ef0c814497cbbbe9a787a0b47831ffaf6f2baf90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d1d6ea91e0039f5ceb1c09ef0c814497cbbbe9a787a0b47831ffaf6f2baf90", kill_on_drop: false }`
[INFO] [stdout] 37d1d6ea91e0039f5ceb1c09ef0c814497cbbbe9a787a0b47831ffaf6f2baf90
