[INFO] fetching crate sharded-slab 0.1.0...
[INFO] testing sharded-slab-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sharded-slab 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sharded-slab 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sharded-slab 0.1.0
[INFO] finished tweaking crates.io crate sharded-slab 0.1.0
[INFO] tweaked toml for crates.io crate sharded-slab 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3b47412b4c0323ac68aa4f8560258be2598734ce8b56265e4839695a800b71d
[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" "c3b47412b4c0323ac68aa4f8560258be2598734ce8b56265e4839695a800b71d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3b47412b4c0323ac68aa4f8560258be2598734ce8b56265e4839695a800b71d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b47412b4c0323ac68aa4f8560258be2598734ce8b56265e4839695a800b71d", kill_on_drop: false }`
[INFO] [stdout] c3b47412b4c0323ac68aa4f8560258be2598734ce8b56265e4839695a800b71d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 887b25b8b5411307a1cb31360480bd8d75ea3d3a58c6f4af2e475383c7b05288
[INFO] running `Command { std: "docker" "start" "-a" "887b25b8b5411307a1cb31360480bd8d75ea3d3a58c6f4af2e475383c7b05288", kill_on_drop: false }`
[INFO] [stderr]    Compiling sharded-slab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "887b25b8b5411307a1cb31360480bd8d75ea3d3a58c6f4af2e475383c7b05288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887b25b8b5411307a1cb31360480bd8d75ea3d3a58c6f4af2e475383c7b05288", kill_on_drop: false }`
[INFO] [stdout] 887b25b8b5411307a1cb31360480bd8d75ea3d3a58c6f4af2e475383c7b05288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7de83888c8ccb0b4e3d9b074951da518013507d4cedb74eb6aa6db3f1d1a50d
[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" "e7de83888c8ccb0b4e3d9b074951da518013507d4cedb74eb6aa6db3f1d1a50d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling sharded-slab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 50.91s
[INFO] running `Command { std: "docker" "inspect" "e7de83888c8ccb0b4e3d9b074951da518013507d4cedb74eb6aa6db3f1d1a50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7de83888c8ccb0b4e3d9b074951da518013507d4cedb74eb6aa6db3f1d1a50d", kill_on_drop: false }`
[INFO] [stdout] e7de83888c8ccb0b4e3d9b074951da518013507d4cedb74eb6aa6db3f1d1a50d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdef51d213cc9eb46a4066c68283635c5f5bf1120bffcb66d26da64b53e4b9e9
[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" "fdef51d213cc9eb46a4066c68283635c5f5bf1120bffcb66d26da64b53e4b9e9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sharded_slab-ece5c6a9c7d9ef83
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test page::test::page_roundtrips ... ok
[INFO] [stdout] test page::test::addr_roundtrips ... ok
[INFO] [stdout] test page::test::gen_roundtrips ... ok
[INFO] [stdout] test tests::idx::idx_roundtrips ... ok
[INFO] [stdout] test tests::idx::tid_roundtrips ... ok
[INFO] [stdout] test cfg::tests::custom_page_sz ... ok
[INFO] [stderr]    Doc-tests sharded-slab
[INFO] [stdout] test cfg::tests::validates_max_refs ... ok
[INFO] [stdout] test cfg::tests::big ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test src/implementation.rs - implementation (line 123) ... ignored
[INFO] [stdout] test src/implementation.rs - implementation (line 128) ... ignored
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - OwnedEntry (line 312) ... ok
[INFO] [stdout] test src/lib.rs - OwnedEntry (line 330) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T, C>::get (line 622) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T, C>::insert (line 434) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T, C>::remove (line 500) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T, C>::get_owned (line 676) ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T, C>::contains (line 749) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T, C>::get_owned (line 658) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T, C>::remove (line 511) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T, C>::get_owned (line 709) ... ok
[INFO] [stdout] test src/lib.rs - OwnedEntry (line 363) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T, C>::take (line 568) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry::insert (line 868) ... ok
[INFO] [stdout] test src/pool.rs - pool::OwnedRef (line 139) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry (line 277) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry::key (line 912) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T, C>::take (line 579) ... ok
[INFO] [stdout] test src/pool.rs - pool::OwnedRef (line 157) ... ok
[INFO] [stdout] test src/pool.rs - pool::OwnedRefMut (line 243) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T, C>::vacant_entry (line 461) ... ok
[INFO] [stdout] test src/pool.rs - pool::OwnedRefMut (line 268) ... ok
[INFO] [stdout] test src/pool.rs - pool::OwnedRef (line 190) ... ok
[INFO] [stdout] test src/pool.rs - pool::OwnedRefMut (line 288) ... ok
[INFO] [stdout] test src/pool.rs - pool::OwnedRefMut (line 321) ... ok
[INFO] [stdout] test src/pool.rs - pool::OwnedRefMut<T, C>::downgrade (line 1197) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool (line 37) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::clear (line 788) ... ok
[INFO] [stdout] test src/pool.rs - pool::OwnedRefMut (line 343) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::clear (line 804) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool (line 46) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::create (line 427) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool (line 60) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::create_owned (line 515) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::create_owned (line 490) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::create_with (line 641) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::create_owned (line 568) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::create_owned (line 535) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::get_owned (line 714) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::get_owned (line 696) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::get (line 667) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::get_owned (line 747) ... ok
[INFO] [stdout] test src/pool.rs - pool::Pool<T, C>::create_owned (line 590) ... ok
[INFO] [stdout] test src/pool.rs - pool::RefMut::downgrade (line 967) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fdef51d213cc9eb46a4066c68283635c5f5bf1120bffcb66d26da64b53e4b9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdef51d213cc9eb46a4066c68283635c5f5bf1120bffcb66d26da64b53e4b9e9", kill_on_drop: false }`
[INFO] [stdout] fdef51d213cc9eb46a4066c68283635c5f5bf1120bffcb66d26da64b53e4b9e9