[INFO] fetching crate cachers 0.1.0...
[INFO] testing cachers-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cachers 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cachers 0.1.0 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 cachers 0.1.0
[INFO] finished tweaking crates.io crate cachers 0.1.0
[INFO] tweaked toml for crates.io crate cachers 0.1.0 written to /workspace/builds/worker-13/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] 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e6e3eec9fc62218a5ca1704dd0dbe53b0cdd0fbfebda11c21f7f84a45a193c36
[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" "e6e3eec9fc62218a5ca1704dd0dbe53b0cdd0fbfebda11c21f7f84a45a193c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6e3eec9fc62218a5ca1704dd0dbe53b0cdd0fbfebda11c21f7f84a45a193c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e3eec9fc62218a5ca1704dd0dbe53b0cdd0fbfebda11c21f7f84a45a193c36", kill_on_drop: false }`
[INFO] [stdout] e6e3eec9fc62218a5ca1704dd0dbe53b0cdd0fbfebda11c21f7f84a45a193c36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] b196b3b2bad2b6bc18c3682af6f9194b0c1e23f9b862fd22becec79da871740b
[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" "b196b3b2bad2b6bc18c3682af6f9194b0c1e23f9b862fd22becec79da871740b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cachers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "b196b3b2bad2b6bc18c3682af6f9194b0c1e23f9b862fd22becec79da871740b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b196b3b2bad2b6bc18c3682af6f9194b0c1e23f9b862fd22becec79da871740b", kill_on_drop: false }`
[INFO] [stdout] b196b3b2bad2b6bc18c3682af6f9194b0c1e23f9b862fd22becec79da871740b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e2b0857db2aef4439c6250e48a564c6745e08fa1aaa817ae23e3acb6de0d38b9
[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" "e2b0857db2aef4439c6250e48a564c6745e08fa1aaa817ae23e3acb6de0d38b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cachers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "e2b0857db2aef4439c6250e48a564c6745e08fa1aaa817ae23e3acb6de0d38b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b0857db2aef4439c6250e48a564c6745e08fa1aaa817ae23e3acb6de0d38b9", kill_on_drop: false }`
[INFO] [stdout] e2b0857db2aef4439c6250e48a564c6745e08fa1aaa817ae23e3acb6de0d38b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] df20766f6776dbbe0bbde8c41f36e2a10481ff108f4d5f3c9822acfbbd319650
[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" "df20766f6776dbbe0bbde8c41f36e2a10481ff108f4d5f3c9822acfbbd319650", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cachers-3a7e9313cc2144b8
[INFO] [stdout] running 15 tests
[INFO] [stdout] test segment::tests::get_or_populate_evicts ... ok
[INFO] [stdout] test segment::tests::hit_populates ... ok
[INFO] [stdout] test tests::evicts ... ok
[INFO] [stdout] test tests::hit_populates ... ok
[INFO] [stdout] test tests::miss_populates_not ... ok
[INFO] [stdout] test tests::update_populates ... ok
[INFO] [stdout] test tests::update_removes ... ok
[INFO] [stdout] test eviction::tests::test_it_works ... ok
[INFO] [stdout] test segment::tests::miss_populates_not ... ok
[INFO] [stdout] test segment::tests::update_removes ... ok
[INFO] [stdout] test tests::remove_removes ... ok
[INFO] [stdout] test segment::tests::update_evicts ... ok
[INFO] [stdout] test tests::update_updates ... ok
[INFO] [stdout] test segment::tests::update_updates ... ok
[INFO] [stdout] test segment::tests::update_populates ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cachers
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - CacheThrough<K, V>::new (line 85) ... ok
[INFO] [stdout] test src/lib.rs - CacheThrough (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df20766f6776dbbe0bbde8c41f36e2a10481ff108f4d5f3c9822acfbbd319650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df20766f6776dbbe0bbde8c41f36e2a10481ff108f4d5f3c9822acfbbd319650", kill_on_drop: false }`
[INFO] [stdout] df20766f6776dbbe0bbde8c41f36e2a10481ff108f4d5f3c9822acfbbd319650