[INFO] fetching crate cache 0.2.0...
[INFO] testing cache-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cache 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cache 0.2.0 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 cache 0.2.0
[INFO] finished tweaking crates.io crate cache 0.2.0
[INFO] tweaked toml for crates.io crate cache 0.2.0 written to /workspace/builds/worker-2/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e47f51b7d5ef7b770bf9323801866afc657cfbbb77c6a8ec1b5298ebf2fb4ef0
[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" "e47f51b7d5ef7b770bf9323801866afc657cfbbb77c6a8ec1b5298ebf2fb4ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e47f51b7d5ef7b770bf9323801866afc657cfbbb77c6a8ec1b5298ebf2fb4ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47f51b7d5ef7b770bf9323801866afc657cfbbb77c6a8ec1b5298ebf2fb4ef0", kill_on_drop: false }`
[INFO] [stdout] e47f51b7d5ef7b770bf9323801866afc657cfbbb77c6a8ec1b5298ebf2fb4ef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fc2b1bf9ab5aff3d28e2181972c0ae45af234db24ca59055894b22b02a81669
[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" "9fc2b1bf9ab5aff3d28e2181972c0ae45af234db24ca59055894b22b02a81669", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable-heap v0.1.0
[INFO] [stderr]    Compiling seahash v3.0.7
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling cache v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "9fc2b1bf9ab5aff3d28e2181972c0ae45af234db24ca59055894b22b02a81669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc2b1bf9ab5aff3d28e2181972c0ae45af234db24ca59055894b22b02a81669", kill_on_drop: false }`
[INFO] [stdout] 9fc2b1bf9ab5aff3d28e2181972c0ae45af234db24ca59055894b22b02a81669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1790593be3a70a627b07d2212ec6d5c5f05056147bcf9d462636b4d55a0737e
[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" "e1790593be3a70a627b07d2212ec6d5c5f05056147bcf9d462636b4d55a0737e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "e1790593be3a70a627b07d2212ec6d5c5f05056147bcf9d462636b4d55a0737e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1790593be3a70a627b07d2212ec6d5c5f05056147bcf9d462636b4d55a0737e", kill_on_drop: false }`
[INFO] [stdout] e1790593be3a70a627b07d2212ec6d5c5f05056147bcf9d462636b4d55a0737e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e1994b79bb4b03345a24f13159ad92a50445dd85646ef68a978d2e0284bb3db
[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" "4e1994b79bb4b03345a24f13159ad92a50445dd85646ef68a978d2e0284bb3db", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 10 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cache-238d9c925e769af7
[INFO] [stdout] test tests::wrong_type ... ok
[INFO] [stdout] test tests::larger ... ok
[INFO] [stdout] test tests::big_then_small ... ok
[INFO] [stdout] test tests::multithreading ... ok
[INFO] [stdout] test tests::evict_multiple_keepalive ... ok
[INFO] [stdout] test tests::evict_multiple ... ok
[INFO] [stdout] test tests::destructors ... ok
[INFO] [stdout] test tests::keepalive ... ok
[INFO] [stdout] test tests::usizes ... ok
[INFO] [stderr]    Doc-tests cache
[INFO] [stdout] test tests::lots ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e1994b79bb4b03345a24f13159ad92a50445dd85646ef68a978d2e0284bb3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e1994b79bb4b03345a24f13159ad92a50445dd85646ef68a978d2e0284bb3db", kill_on_drop: false }`
[INFO] [stdout] 4e1994b79bb4b03345a24f13159ad92a50445dd85646ef68a978d2e0284bb3db