[INFO] fetching crate user_stable_vtable 0.2.1...
[INFO] testing user_stable_vtable-0.2.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate user_stable_vtable 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate user_stable_vtable 0.2.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d2c680b029b6bb72af37c3ca1c25be68a6f4931f4df62a580d9741c15e14a95
[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" "2d2c680b029b6bb72af37c3ca1c25be68a6f4931f4df62a580d9741c15e14a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d2c680b029b6bb72af37c3ca1c25be68a6f4931f4df62a580d9741c15e14a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2c680b029b6bb72af37c3ca1c25be68a6f4931f4df62a580d9741c15e14a95", kill_on_drop: false }`
[INFO] [stdout] 2d2c680b029b6bb72af37c3ca1c25be68a6f4931f4df62a580d9741c15e14a95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "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] 1b59893c3375a391d810ab629e909bac3834c2971e2154f4c30387b50eca3515
[INFO] running `Command { std: "docker" "start" "-a" "1b59893c3375a391d810ab629e909bac3834c2971e2154f4c30387b50eca3515", kill_on_drop: false }`
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling user_stable_vtable v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "1b59893c3375a391d810ab629e909bac3834c2971e2154f4c30387b50eca3515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b59893c3375a391d810ab629e909bac3834c2971e2154f4c30387b50eca3515", kill_on_drop: false }`
[INFO] [stdout] 1b59893c3375a391d810ab629e909bac3834c2971e2154f4c30387b50eca3515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed67d8cdb3b8a017595bf68104befc713b4270ee6e6a2054a2aa20a7c8213c55
[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" "ed67d8cdb3b8a017595bf68104befc713b4270ee6e6a2054a2aa20a7c8213c55", 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 0.76s
[INFO] running `Command { std: "docker" "inspect" "ed67d8cdb3b8a017595bf68104befc713b4270ee6e6a2054a2aa20a7c8213c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed67d8cdb3b8a017595bf68104befc713b4270ee6e6a2054a2aa20a7c8213c55", kill_on_drop: false }`
[INFO] [stdout] ed67d8cdb3b8a017595bf68104befc713b4270ee6e6a2054a2aa20a7c8213c55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03f7febcc175658f07b6d85b09f440840292ab702fd12328a83cc59dea869fb2
[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" "03f7febcc175658f07b6d85b09f440840292ab702fd12328a83cc59dea869fb2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/user_stable_vtable-a7d10d0becfcb3a1
[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] [stderr]    Doc-tests user_stable_vtable
[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] [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" "03f7febcc175658f07b6d85b09f440840292ab702fd12328a83cc59dea869fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f7febcc175658f07b6d85b09f440840292ab702fd12328a83cc59dea869fb2", kill_on_drop: false }`
[INFO] [stdout] 03f7febcc175658f07b6d85b09f440840292ab702fd12328a83cc59dea869fb2
