[INFO] fetching crate user_stable_vtable 0.2.1...
[INFO] testing user_stable_vtable-0.2.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate user_stable_vtable 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate user_stable_vtable 0.2.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate user_stable_vtable 0.2.1
[INFO] finished tweaking crates.io crate user_stable_vtable 0.2.1
[INFO] tweaked toml for crates.io crate user_stable_vtable 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24acb12e5407b98295c93306b2a05f53ca7ac8817b73e73e2d998655e7854db6
[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" "24acb12e5407b98295c93306b2a05f53ca7ac8817b73e73e2d998655e7854db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24acb12e5407b98295c93306b2a05f53ca7ac8817b73e73e2d998655e7854db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24acb12e5407b98295c93306b2a05f53ca7ac8817b73e73e2d998655e7854db6", kill_on_drop: false }`
[INFO] [stdout] 24acb12e5407b98295c93306b2a05f53ca7ac8817b73e73e2d998655e7854db6
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d5723f510c47bbbe39a942c1893e5b5335caea8151dc2752daf315a9cb417e4
[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" "0d5723f510c47bbbe39a942c1893e5b5335caea8151dc2752daf315a9cb417e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling user_stable_vtable v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "0d5723f510c47bbbe39a942c1893e5b5335caea8151dc2752daf315a9cb417e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5723f510c47bbbe39a942c1893e5b5335caea8151dc2752daf315a9cb417e4", kill_on_drop: false }`
[INFO] [stdout] 0d5723f510c47bbbe39a942c1893e5b5335caea8151dc2752daf315a9cb417e4
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8fc8af4afdd855c2e5a0ff1b4f8deb8fb6d3e60cdd6435cf5961f7fb82613d0
[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" "c8fc8af4afdd855c2e5a0ff1b4f8deb8fb6d3e60cdd6435cf5961f7fb82613d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling user_stable_vtable v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "c8fc8af4afdd855c2e5a0ff1b4f8deb8fb6d3e60cdd6435cf5961f7fb82613d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8fc8af4afdd855c2e5a0ff1b4f8deb8fb6d3e60cdd6435cf5961f7fb82613d0", kill_on_drop: false }`
[INFO] [stdout] c8fc8af4afdd855c2e5a0ff1b4f8deb8fb6d3e60cdd6435cf5961f7fb82613d0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b330a1bef301b1c6c8fc47bb173a59615b92de460d7ed68f51f0948608d1491a
[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" "b330a1bef301b1c6c8fc47bb173a59615b92de460d7ed68f51f0948608d1491a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/user_stable_vtable-c822d0f371dc54a8
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test some_tests::test_ref_none_is_null ... ok
[INFO] [stdout] test some_tests::test_nonnull_none_is_null ... ok
[INFO] [stdout] test some_tests::test_ref_some_is_not_null ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests user_stable_vtable
[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" "b330a1bef301b1c6c8fc47bb173a59615b92de460d7ed68f51f0948608d1491a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b330a1bef301b1c6c8fc47bb173a59615b92de460d7ed68f51f0948608d1491a", kill_on_drop: false }`
[INFO] [stdout] b330a1bef301b1c6c8fc47bb173a59615b92de460d7ed68f51f0948608d1491a
