[INFO] fetching crate scc 0.3.11...
[INFO] testing scc-0.3.11 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate scc 0.3.11 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate scc 0.3.11 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scc 0.3.11
[INFO] finished tweaking crates.io crate scc 0.3.11
[INFO] tweaked toml for crates.io crate scc 0.3.11 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08e73639b670b2ff94249ead67a0feed8a408595a0ec6e8ee2f02c4e24110533
[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" "08e73639b670b2ff94249ead67a0feed8a408595a0ec6e8ee2f02c4e24110533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08e73639b670b2ff94249ead67a0feed8a408595a0ec6e8ee2f02c4e24110533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e73639b670b2ff94249ead67a0feed8a408595a0ec6e8ee2f02c4e24110533", kill_on_drop: false }`
[INFO] [stdout] 08e73639b670b2ff94249ead67a0feed8a408595a0ec6e8ee2f02c4e24110533
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 405a25637b822ba24229f4dddcdd143aad48804f7f5fdc1844f046dc70643d95
[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" "405a25637b822ba24229f4dddcdd143aad48804f7f5fdc1844f046dc70643d95", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling scc v0.3.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]    --> src/treeindex/leaf.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn from(&self, metadata: u64, key: &K, exact: bool) -> (usize, *const (K, V)) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_min_greater_equal`
[INFO] [stdout]    --> src/treeindex/leaf.rs:289:12
[INFO] [stdout]     |
[INFO] [stdout] 289 |     pub fn from_min_greater_equal(&self, metadata: u64, key: &K) -> (usize, *const (K, V)) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]    --> src/treeindex/leaf.rs:634:12
[INFO] [stdout]     |
[INFO] [stdout] 634 |     pub fn from(key: &K, leaf: &'a Leaf<K, V>) -> LeafScanner<'a, K, V> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_greater_equal`
[INFO] [stdout]    --> src/treeindex/leaf.rs:645:12
[INFO] [stdout]     |
[INFO] [stdout] 645 |     pub fn from_greater_equal(key: &K, leaf: &'a Leaf<K, V>) -> LeafScanner<'a, K, V> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]     --> src/treeindex/node.rs:1386:8
[INFO] [stdout]      |
[INFO] [stdout] 1386 |     fn print(&self) -> usize {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.49s
[INFO] running `Command { std: "docker" "inspect" "405a25637b822ba24229f4dddcdd143aad48804f7f5fdc1844f046dc70643d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405a25637b822ba24229f4dddcdd143aad48804f7f5fdc1844f046dc70643d95", kill_on_drop: false }`
[INFO] [stdout] 405a25637b822ba24229f4dddcdd143aad48804f7f5fdc1844f046dc70643d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 587ab23836d3cf3a1639d5e7a0b42a8ad5dcde7b93efe7b3a96c48201561f483
[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" "587ab23836d3cf3a1639d5e7a0b42a8ad5dcde7b93efe7b3a96c48201561f483", kill_on_drop: false }`
[INFO] [stderr]    Compiling scc v0.3.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]    --> src/treeindex/leaf.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn from(&self, metadata: u64, key: &K, exact: bool) -> (usize, *const (K, V)) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_min_greater_equal`
[INFO] [stdout]    --> src/treeindex/leaf.rs:289:12
[INFO] [stdout]     |
[INFO] [stdout] 289 |     pub fn from_min_greater_equal(&self, metadata: u64, key: &K) -> (usize, *const (K, V)) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]    --> src/treeindex/leaf.rs:634:12
[INFO] [stdout]     |
[INFO] [stdout] 634 |     pub fn from(key: &K, leaf: &'a Leaf<K, V>) -> LeafScanner<'a, K, V> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_greater_equal`
[INFO] [stdout]    --> src/treeindex/leaf.rs:645:12
[INFO] [stdout]     |
[INFO] [stdout] 645 |     pub fn from_greater_equal(key: &K, leaf: &'a Leaf<K, V>) -> LeafScanner<'a, K, V> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]     --> src/treeindex/node.rs:1386:8
[INFO] [stdout]      |
[INFO] [stdout] 1386 |     fn print(&self) -> usize {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "587ab23836d3cf3a1639d5e7a0b42a8ad5dcde7b93efe7b3a96c48201561f483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587ab23836d3cf3a1639d5e7a0b42a8ad5dcde7b93efe7b3a96c48201561f483", kill_on_drop: false }`
[INFO] [stdout] 587ab23836d3cf3a1639d5e7a0b42a8ad5dcde7b93efe7b3a96c48201561f483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 9b9f3e00427e2aab96f9c9ee397d2c20f0b3968cd0bf50234823178034054169
[INFO] running `Command { std: "docker" "start" "-a" "9b9f3e00427e2aab96f9c9ee397d2c20f0b3968cd0bf50234823178034054169", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `from`
[INFO] [stdout] running 8 tests
[INFO] [stderr]    --> src/treeindex/leaf.rs:253:12
[INFO] [stdout] test hashmap::cell::test::static_assertions ... ok
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn from(&self, metadata: u64, key: &K, exact: bool) -> (usize, *const (K, V)) {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_min_greater_equal`
[INFO] [stderr]    --> src/treeindex/leaf.rs:289:12
[INFO] [stderr]     |
[INFO] [stderr] 289 |     pub fn from_min_greater_equal(&self, metadata: u64, key: &K) -> (usize, *const (K, V)) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from`
[INFO] [stderr]    --> src/treeindex/leaf.rs:634:12
[INFO] [stderr]     |
[INFO] [stderr] 634 |     pub fn from(key: &K, leaf: &'a Leaf<K, V>) -> LeafScanner<'a, K, V> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_greater_equal`
[INFO] [stderr]    --> src/treeindex/leaf.rs:645:12
[INFO] [stderr]     |
[INFO] [stderr] 645 |     pub fn from_greater_equal(key: &K, leaf: &'a Leaf<K, V>) -> LeafScanner<'a, K, V> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]     --> src/treeindex/node.rs:1386:8
[INFO] [stderr]      |
[INFO] [stderr] 1386 |     fn print(&self) -> usize {
[INFO] [stderr]      |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scc-68b32171844e8da5
[INFO] [stdout] test hashmap::array::test::static_assertions ... ok
[INFO] [stdout] test treeindex::leaf::test::static_assertions ... ok
[INFO] [stdout] test treeindex::leaf::test::basic ... ok
[INFO] [stdout] test hashmap::cell::test::cell_locker ... ok
[INFO] [stdout] test treeindex::node::test::node ... ok
[INFO] [stdout] test treeindex::leaf::test::update ... ok
[INFO] [stdout] test treeindex::node::test::node_multithreaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.43s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scc
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::capacity (line 477) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::iter (line 590) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::insert (line 126) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::contains (line 332) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::hasher (line 499) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::retain (line 357) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::len (line 441) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::remove (line 254) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::clear (line 407) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::new (line 92) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::Accessor::erase (line 1070) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::statistics (line 513) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::Accessor::get (line 1046) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::upsert (line 192) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::read (line 282) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, H>::get (line 222) ... ok
[INFO] [stdout] test src/treeindex.rs - treeindex::Statistics (line 323) ... ok
[INFO] [stdout] test src/treeindex.rs - treeindex::TreeIndex<K, V>::from (line 224) ... ok
[INFO] [stdout] test src/treeindex.rs - treeindex::TreeIndex<K, V>::default (line 25) ... ok
[INFO] [stdout] test src/treeindex.rs - treeindex::TreeIndex<K, V>::new (line 42) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::Statistics (line 1164) ... ok
[INFO] [stdout] test src/treeindex.rs - treeindex::TreeIndex<K, V>::statistics (line 238) ... ok
[INFO] [stdout] test src/treeindex.rs - treeindex::TreeIndex<K, V>::read (line 137) ... ok
[INFO] [stdout] test src/hashmap.rs - hashmap::HashMap<K, V, RandomState>::default (line 63) ... ok
[INFO] [stdout] test src/treeindex.rs - treeindex::TreeIndex<K, V>::remove (line 101) ... ok
[INFO] [stdout] test src/treeindex.rs - treeindex::TreeIndex<K, V>::insert (line 59) ... ok
[INFO] [stdout] test src/treeindex.rs - treeindex::TreeIndex<K, V>::len (line 169) ... ok
[INFO] [stdout] test src/treeindex.rs - treeindex::TreeIndex<K, V>::iter (line 195) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 19.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b9f3e00427e2aab96f9c9ee397d2c20f0b3968cd0bf50234823178034054169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9f3e00427e2aab96f9c9ee397d2c20f0b3968cd0bf50234823178034054169", kill_on_drop: false }`
[INFO] [stdout] 9b9f3e00427e2aab96f9c9ee397d2c20f0b3968cd0bf50234823178034054169