[INFO] fetching crate user_stable_vtable 0.3.0...
[INFO] testing user_stable_vtable-0.3.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate user_stable_vtable 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate user_stable_vtable 0.3.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate user_stable_vtable 0.3.0
[INFO] finished tweaking crates.io crate user_stable_vtable 0.3.0
[INFO] tweaked toml for crates.io crate user_stable_vtable 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 412dae1e6ebf8956d26f68841da03c29bc72142b5d5ad427d0703dec17821ca4
[INFO] running `Command { std: "docker" "start" "-a" "412dae1e6ebf8956d26f68841da03c29bc72142b5d5ad427d0703dec17821ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "412dae1e6ebf8956d26f68841da03c29bc72142b5d5ad427d0703dec17821ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412dae1e6ebf8956d26f68841da03c29bc72142b5d5ad427d0703dec17821ca4", kill_on_drop: false }`
[INFO] [stdout] 412dae1e6ebf8956d26f68841da03c29bc72142b5d5ad427d0703dec17821ca4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7d18e3c513f7e95259f9de0c2e85a5b9eae70949838e93eb0952661c1c557ab
[INFO] running `Command { std: "docker" "start" "-a" "f7d18e3c513f7e95259f9de0c2e85a5b9eae70949838e93eb0952661c1c557ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling user_stable_vtable v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "f7d18e3c513f7e95259f9de0c2e85a5b9eae70949838e93eb0952661c1c557ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d18e3c513f7e95259f9de0c2e85a5b9eae70949838e93eb0952661c1c557ab", kill_on_drop: false }`
[INFO] [stdout] f7d18e3c513f7e95259f9de0c2e85a5b9eae70949838e93eb0952661c1c557ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cba8da45ec4eaf0bb0fd376d94862c7dd24e30eeee4dd36c4b893fc5526b649d
[INFO] running `Command { std: "docker" "start" "-a" "cba8da45ec4eaf0bb0fd376d94862c7dd24e30eeee4dd36c4b893fc5526b649d", kill_on_drop: false }`
[INFO] [stderr]    Compiling user_stable_vtable v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "cba8da45ec4eaf0bb0fd376d94862c7dd24e30eeee4dd36c4b893fc5526b649d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba8da45ec4eaf0bb0fd376d94862c7dd24e30eeee4dd36c4b893fc5526b649d", kill_on_drop: false }`
[INFO] [stdout] cba8da45ec4eaf0bb0fd376d94862c7dd24e30eeee4dd36c4b893fc5526b649d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 788cbc53797e3dd5c976443a707985ce4a6fa849364dd697163b1d2de9a0eb2f
[INFO] running `Command { std: "docker" "start" "-a" "788cbc53797e3dd5c976443a707985ce4a6fa849364dd697163b1d2de9a0eb2f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/user_stable_vtable-dfc53bb9d3d5e797)
[INFO] [stdout] test some_tests::test_nonnull_none_is_null ... ok
[INFO] [stdout] test some_tests::test_ref_none_is_null ... ok
[INFO] [stderr]    Doc-tests user_stable_vtable
[INFO] [stdout] test some_tests::test_ref_some_is_not_null - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "788cbc53797e3dd5c976443a707985ce4a6fa849364dd697163b1d2de9a0eb2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788cbc53797e3dd5c976443a707985ce4a6fa849364dd697163b1d2de9a0eb2f", kill_on_drop: false }`
[INFO] [stdout] 788cbc53797e3dd5c976443a707985ce4a6fa849364dd697163b1d2de9a0eb2f