[INFO] fetching crate lasso 0.6.0...
[INFO] testing lasso-0.6.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lasso 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lasso 0.6.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lasso 0.6.0
[INFO] finished tweaking crates.io crate lasso 0.6.0
[INFO] tweaked toml for crates.io crate lasso 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60088b21102b6194be9713e3354fe0f8d7f0cbd6c020eee73dad2c7b160c2f5a
[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" "60088b21102b6194be9713e3354fe0f8d7f0cbd6c020eee73dad2c7b160c2f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60088b21102b6194be9713e3354fe0f8d7f0cbd6c020eee73dad2c7b160c2f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60088b21102b6194be9713e3354fe0f8d7f0cbd6c020eee73dad2c7b160c2f5a", kill_on_drop: false }`
[INFO] [stdout] 60088b21102b6194be9713e3354fe0f8d7f0cbd6c020eee73dad2c7b160c2f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", 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] 3eb26d96d45875d26963cf84d3c7d3ab3b542819068b1bf88d750ba64004c68d
[INFO] running `Command { std: "docker" "start" "-a" "3eb26d96d45875d26963cf84d3c7d3ab3b542819068b1bf88d750ba64004c68d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lasso v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "3eb26d96d45875d26963cf84d3c7d3ab3b542819068b1bf88d750ba64004c68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb26d96d45875d26963cf84d3c7d3ab3b542819068b1bf88d750ba64004c68d", kill_on_drop: false }`
[INFO] [stdout] 3eb26d96d45875d26963cf84d3c7d3ab3b542819068b1bf88d750ba64004c68d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c8feba41068b92a8d79c4fc95bc7da1be5f7fb249dec7544286e2ae8b9307be
[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" "1c8feba41068b92a8d79c4fc95bc7da1be5f7fb249dec7544286e2ae8b9307be", kill_on_drop: false }`
[INFO] [stderr]    Compiling lasso v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "1c8feba41068b92a8d79c4fc95bc7da1be5f7fb249dec7544286e2ae8b9307be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8feba41068b92a8d79c4fc95bc7da1be5f7fb249dec7544286e2ae8b9307be", kill_on_drop: false }`
[INFO] [stdout] 1c8feba41068b92a8d79c4fc95bc7da1be5f7fb249dec7544286e2ae8b9307be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1beaa9a3b151faba24d8af09bc9c5728e0185a1dca4063d8a61c9bba9985e18c
[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" "1beaa9a3b151faba24d8af09bc9c5728e0185a1dca4063d8a61c9bba9985e18c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lasso-af597bb56d9128e0)
[INFO] [stdout] 
[INFO] [stdout] running 96 tests
[INFO] [stdout] test arena::tests::allocate_more_than_double ... ok
[INFO] [stdout] test arena::tests::string ... ok
[INFO] [stdout] test keys::tests::micro ... ok
[INFO] [stdout] test interface::tests::interner_implementations ... ok
[INFO] [stdout] test keys::tests::large_max_returns_none ... ok
[INFO] [stdout] test keys::tests::large ... ok
[INFO] [stdout] test interface::tests::reader_implementations ... ok
[INFO] [stdout] test keys::tests::spur ... ok
[INFO] [stdout] test keys::tests::mini_returns_none ... ok
[INFO] [stdout] test keys::tests::spur_returns_none ... ok
[INFO] [stdout] test reader::tests::single_threaded::contains ... ok
[INFO] [stdout] test reader::tests::single_threaded::contains_key ... ok
[INFO] [stdout] test reader::tests::single_threaded::debug ... ok
[INFO] [stdout] test reader::tests::single_threaded::drops ... ok
[INFO] [stdout] test reader::tests::single_threaded::index ... ok
[INFO] [stdout] test arena::tests::empty_str ... ok
[INFO] [stdout] test interface::tests::resolver_implementations ... ok
[INFO] [stdout] test arena::tests::allocate_too_much ... ok
[INFO] [stdout] test arena::tests::memory_exhausted ... ok
[INFO] [stdout] test reader::tests::single_threaded::empty ... ok
[INFO] [stdout] test reader::tests::single_threaded::get ... ok
[INFO] [stdout] test keys::tests::micro_returns_none ... ok
[INFO] [stdout] test reader::tests::single_threaded::resolve ... ok
[INFO] [stdout] test reader::tests::single_threaded::reader_eq ... ok
[INFO] [stdout] test arena::tests::exponential_allocations ... ok
[INFO] [stdout] test resolver::tests::single_threaded::debug ... ok
[INFO] [stdout] test reader::tests::single_threaded::into_iterator ... ok
[INFO] [stdout] test reader::tests::single_threaded::try_resolve ... ok
[INFO] [stdout] test reader::tests::single_threaded::strings ... ok
[INFO] [stdout] test keys::tests::mini ... ok
[INFO] [stdout] test resolver::tests::single_threaded::drops ... ok
[INFO] [stdout] test resolver::tests::single_threaded::index ... ok
[INFO] [stdout] test resolver::tests::single_threaded::empty ... ok
[INFO] [stdout] test resolver::tests::single_threaded::into_iterator ... ok
[INFO] [stdout] test resolver::tests::single_threaded::iter ... ok
[INFO] [stdout] test resolver::tests::single_threaded::len ... ok
[INFO] [stdout] test reader::tests::single_threaded::iter ... ok
[INFO] [stdout] test reader::tests::single_threaded::into_resolver ... ok
[INFO] [stdout] test resolver::tests::single_threaded::reader_eq ... ok
[INFO] [stdout] test reader::tests::single_threaded::resolve_unchecked ... ok
[INFO] [stdout] test resolver::tests::single_threaded::resolve_unchecked ... ok
[INFO] [stdout] test resolver::tests::single_threaded::resolver_eq ... ok
[INFO] [stdout] test reader::tests::single_threaded::resolver_eq ... ok
[INFO] [stdout] test resolver::tests::single_threaded::strings ... ok
[INFO] [stdout] test single_threaded::tests::debug ... ok
[INFO] [stdout] test single_threaded::tests::empty ... ok
[INFO] [stdout] test resolver::tests::single_threaded::try_resolve ... ok
[INFO] [stdout] test single_threaded::tests::contains ... ok
[INFO] [stdout] test single_threaded::tests::drop_rodeo ... ok
[INFO] [stdout] test reader::tests::single_threaded::len ... ok
[INFO] [stdout] test resolver::tests::single_threaded::contains_key ... ok
[INFO] [stdout] test resolver::tests::single_threaded::resolve ... ok
[INFO] [stdout] test single_threaded::tests::get_or_intern ... ok
[INFO] [stdout] test single_threaded::tests::from_iter ... ok
[INFO] [stdout] test single_threaded::tests::get_or_intern_static ... ok
[INFO] [stdout] test single_threaded::tests::index ... ok
[INFO] [stdout] test single_threaded::tests::iter ... ok
[INFO] [stdout] test single_threaded::tests::reader_eq ... ok
[INFO] [stdout] test single_threaded::tests::len ... ok
[INFO] [stdout] test single_threaded::tests::into_iterator ... ok
[INFO] [stdout] test single_threaded::tests::resolve ... ok
[INFO] [stdout] test single_threaded::tests::new ... ok
[INFO] [stdout] test single_threaded::tests::extend ... ok
[INFO] [stdout] test single_threaded::tests::memory_exhausted ... ok
[INFO] [stdout] test single_threaded::tests::get ... ok
[INFO] [stdout] test single_threaded::tests::memory_usage_stats ... ok
[INFO] [stdout] test single_threaded::tests::strings ... ok
[INFO] [stdout] test single_threaded::tests::set_memory_limits ... ok
[INFO] [stdout] test single_threaded::tests::contains_key ... ok
[INFO] [stdout] test single_threaded::tests::try_get_or_intern ... ok
[INFO] [stdout] test single_threaded::tests::try_get_or_intern_static ... ok
[INFO] [stdout] test single_threaded::tests::resolve_unchecked ... ok
[INFO] [stdout] test single_threaded::tests::resolver_eq ... ok
[INFO] [stdout] test single_threaded::tests::rodeo_eq ... ok
[INFO] [stdout] test single_threaded::tests::try_resolve ... ok
[INFO] [stdout] test keys::tests::micro_panics - should panic ... ok
[INFO] [stdout] test keys::tests::spur_panics - should panic ... ok
[INFO] [stdout] test keys::tests::mini_panics - should panic ... ok
[INFO] [stdout] test keys::tests::large_max_panics - should panic ... ok
[INFO] [stdout] test single_threaded::tests::with_capacity_and_hasher ... ok
[INFO] [stdout] test util::tests::strings_resolver ... ok
[INFO] [stdout] test reader::tests::single_threaded::resolve_panics - should panic ... ok
[INFO] [stdout] test util::tests::strings_rodeo ... ok
[INFO] [stdout] test single_threaded::tests::with_hasher ... ok
[INFO] [stdout] test resolver::tests::single_threaded::resolve_out_of_bounds - should panic ... ok
[INFO] [stdout] test util::tests::iter_rodeo ... ok
[INFO] [stdout] test util::tests::new_capacity ... ok
[INFO] [stdout] test util::tests::strings_reader ... ok
[INFO] [stdout] test single_threaded::tests::with_capacity ... ok
[INFO] [stdout] test single_threaded::tests::with_capacity_memory_limits_and_hasher ... ok
[INFO] [stdout] test util::tests::iter_resolver ... ok
[INFO] [stdout] test single_threaded::tests::with_capacity_and_memory_limits ... ok
[INFO] [stdout] test single_threaded::tests::wrong_keys ... ok
[INFO] [stdout] test util::tests::iter_reader ... ok
[INFO] [stdout] test single_threaded::tests::memory_exhausted_panics - should panic ... ok
[INFO] [stderr]      Running tests/static_rodeo.rs (/opt/rustwide/target/debug/deps/static_rodeo-63833d9ec3c9fa29)
[INFO] [stdout] test single_threaded::tests::resolve_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 96 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests lasso
[INFO] [stdout] test access_interner ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[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 lasso --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-f1ba7a92c85db631.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-2de5a11dee65e0bf.rlib --extern fxhash=/opt/rustwide/target/debug/deps/libfxhash-b551f94ef4fb426d.rlib --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-8530deab612dabe3.rlib --extern lasso=/opt/rustwide/target/debug/deps/liblasso-e8286f985c635d05.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-281168d0e6558308.rlib -C embed-bitcode=no --cfg 'feature="default"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1beaa9a3b151faba24d8af09bc9c5728e0185a1dca4063d8a61c9bba9985e18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1beaa9a3b151faba24d8af09bc9c5728e0185a1dca4063d8a61c9bba9985e18c", kill_on_drop: false }`
[INFO] [stdout] 1beaa9a3b151faba24d8af09bc9c5728e0185a1dca4063d8a61c9bba9985e18c