[INFO] fetching crate scapegoat 1.2.0...
[INFO] testing scapegoat-1.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate scapegoat 1.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate scapegoat 1.2.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scapegoat 1.2.0
[INFO] finished tweaking crates.io crate scapegoat 1.2.0
[INFO] tweaked toml for crates.io crate scapegoat 1.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruut v0.6.1
[INFO] [stderr]   Downloaded json5 v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3502710ad9d49333540e81461e672bfda6f6be36a4bdbcc15357130d47a308d7
[INFO] running `Command { std: "docker" "start" "-a" "3502710ad9d49333540e81461e672bfda6f6be36a4bdbcc15357130d47a308d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3502710ad9d49333540e81461e672bfda6f6be36a4bdbcc15357130d47a308d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3502710ad9d49333540e81461e672bfda6f6be36a4bdbcc15357130d47a308d7", kill_on_drop: false }`
[INFO] [stdout] 3502710ad9d49333540e81461e672bfda6f6be36a4bdbcc15357130d47a308d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2c67b5a12e988513d26beda3b0d22dff3d4f9c0b0f2bf08dbc28f8160a2e84b
[INFO] running `Command { std: "docker" "start" "-a" "b2c67b5a12e988513d26beda3b0d22dff3d4f9c0b0f2bf08dbc28f8160a2e84b", kill_on_drop: false }`
[INFO] [stderr]    Compiling scapegoat v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: Unset environment variable, using default: 'SG_MAX_STACK_ELEMS=1024'
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "b2c67b5a12e988513d26beda3b0d22dff3d4f9c0b0f2bf08dbc28f8160a2e84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c67b5a12e988513d26beda3b0d22dff3d4f9c0b0f2bf08dbc28f8160a2e84b", kill_on_drop: false }`
[INFO] [stdout] b2c67b5a12e988513d26beda3b0d22dff3d4f9c0b0f2bf08dbc28f8160a2e84b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f2519c7c7d985e80070aed98488eabd46a393fbe3bf24ec5b951f83c806fef2
[INFO] running `Command { std: "docker" "start" "-a" "9f2519c7c7d985e80070aed98488eabd46a393fbe3bf24ec5b951f83c806fef2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr] warning: Unset environment variable, using default: 'SG_MAX_STACK_ELEMS=1024'
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling json5 v0.2.8
[INFO] [stderr]    Compiling ruut v0.6.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling scapegoat v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 40.59s
[INFO] running `Command { std: "docker" "inspect" "9f2519c7c7d985e80070aed98488eabd46a393fbe3bf24ec5b951f83c806fef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2519c7c7d985e80070aed98488eabd46a393fbe3bf24ec5b951f83c806fef2", kill_on_drop: false }`
[INFO] [stdout] 9f2519c7c7d985e80070aed98488eabd46a393fbe3bf24ec5b951f83c806fef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 653e1a20fd333a83d117836287462c19c0f8ec4e01bc3274a4e58b4641232ed8
[INFO] running `Command { std: "docker" "start" "-a" "653e1a20fd333a83d117836287462c19c0f8ec4e01bc3274a4e58b4641232ed8", kill_on_drop: false }`
[INFO] [stderr] warning: Unset environment variable, using default: 'SG_MAX_STACK_ELEMS=1024'
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scapegoat-e0ba0b363f30885d)
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tree::arena::tests::test_sort ... ok
[INFO] [stdout] test tree::test::test_clear ... ok
[INFO] [stdout] test tree::arena::tests::test_capacity ... ok
[INFO] [stdout] test tree::test::test_first_last ... ok
[INFO] [stdout] test tree::test::test_iter ... ok
[INFO] [stdout] test tree::test::test_two_child_removal_case_3 ... ok
[INFO] [stdout] test tree::test::test_two_child_removal_case_1 ... ok
[INFO] [stdout] test tree::test::test_from_iter ... ok
[INFO] [stdout] test tree::arena::tests::test_add_and_remove ... ok
[INFO] [stdout] test tree::test::test_ref_iter ... ok
[INFO] [stdout] test tree::test::test_two_child_removal_case_2 ... ok
[INFO] [stdout] test tree::test::test_len ... ok
[INFO] [stdout] test tree::arena::tests::test_hard_get_1 ... ok
[INFO] [stdout] test tree::test::test_subtree_rebalance ... ok
[INFO] [stdout] test tree::arena::tests::test_get_mut ... ok
[INFO] [stdout] test tree::test::test_rand_remove ... ok
[INFO] [stdout] test tree::test::test_append ... ok
[INFO] [stdout] test tree::arena::tests::test_hard_get_2 - should panic ... ok
[INFO] [stdout] test tree::test::test_logical_fuzz_fast ... ok
[INFO] [stdout] test tree::test::test_logical_fuzz_slow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 16.76s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running tests/test_map_api.rs (/opt/rustwide/target/debug/deps/test_map_api-d46f70b8df12b437)
[INFO] [stdout] test test_map_iter ... ok
[INFO] [stdout] test test_map_append ... ok
[INFO] [stdout] test test_map_from_iter ... ok
[INFO] [stdout] test test_basic_map_functionality ... ok
[INFO] [stdout] test test_map_iter_mut ... ok
[INFO] [stderr]      Running tests/test_set_api.rs (/opt/rustwide/target/debug/deps/test_set_api-ea2ab08cc231aa1b)
[INFO] [stdout] test test_map_iter_mut_rand ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_set_difference ... ok
[INFO] [stdout] test test_set_append ... ok
[INFO] [stdout] test test_set_iter ... ok
[INFO] [stdout] test test_set_is_subset ... ok
[INFO] [stdout] test test_set_symmetric_difference ... ok
[INFO] [stdout] test test_set_intersection ... ok
[INFO] [stdout] test test_set_is_superset ... ok
[INFO] [stdout] test test_set_is_disjoint ... ok
[INFO] [stderr]    Doc-tests scapegoat
[INFO] [stdout] test test_set_union ... ok
[INFO] [stdout] test test_set_from_iter ... ok
[INFO] [stdout] test test_basic_set_functionality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 51 tests
[INFO] [stdout] test src/set.rs - set::SGSet<T>::capacity (line 43) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::pop_first (line 328) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::capacity (line 38) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::last_key_value (line 348) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::remove_entry (line 160) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::len (line 402) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::append (line 58) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::contains_key (line 258) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::clear (line 175) ... ok
[INFO] [stdout] test src/set.rs - set::&'_ SGSet<T>::bitxor (line 709) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::first (line 206) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::last_key (line 364) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::get (line 208) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::first_key (line 308) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::get_key_value (line 192) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::insert (line 88) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::is_empty (line 274) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::new (line 19) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::first_key_value (line 291) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::pop_last (line 383) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::get_mut (line 224) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::clear (line 242) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::difference (line 298) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::iter (line 109) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::contains (line 191) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::remove (line 176) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::append (line 53) ... ok
[INFO] [stdout] test src/set.rs - set::&'_ SGSet<T>::sub (line 643) ... ok
[INFO] [stdout] test src/set.rs - set::&'_ SGSet<T>::bitand (line 665) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::insert (line 92) ... ok
[INFO] [stdout] test src/map.rs - map::SGMap<K, V>::iter_mut (line 134) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::new (line 26) ... ok
[INFO] [stdout] test src/set.rs - set::&'_ SGSet<T>::bitor (line 687) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::pop_last (line 263) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::is_superset (line 495) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::intersection (line 362) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::iter (line 109) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::is_disjoint (line 456) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::get (line 157) ... ok
[INFO] [stdout] test src/tree/tree.rs - tree::tree::SGTree<K, V>::iter (line 99) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::is_empty (line 440) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::remove (line 140) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::is_subset (line 475) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::len (line 282) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::last (line 244) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::pop_first (line 225) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::iter (line 122) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::union (line 407) ... ok
[INFO] [stdout] test src/set.rs - set::SGSet<T>::symmetric_difference (line 326) ... ok
[INFO] [stdout] test src/tree/tree.rs - tree::tree::SGTree<K, V>::iter_mut (line 124) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 51 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "653e1a20fd333a83d117836287462c19c0f8ec4e01bc3274a4e58b4641232ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653e1a20fd333a83d117836287462c19c0f8ec4e01bc3274a4e58b4641232ed8", kill_on_drop: false }`
[INFO] [stdout] 653e1a20fd333a83d117836287462c19c0f8ec4e01bc3274a4e58b4641232ed8