[INFO] fetching crate vtable 0.1.2...
[INFO] testing vtable-0.1.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate vtable 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vtable 0.1.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vtable 0.1.2
[INFO] finished tweaking crates.io crate vtable 0.1.2
[INFO] tweaked toml for crates.io crate vtable 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd37272828534ce3ed093b2f475d60af0a0566c43c976c78de30ea5fda666840
[INFO] running `Command { std: "docker" "start" "-a" "fd37272828534ce3ed093b2f475d60af0a0566c43c976c78de30ea5fda666840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd37272828534ce3ed093b2f475d60af0a0566c43c976c78de30ea5fda666840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd37272828534ce3ed093b2f475d60af0a0566c43c976c78de30ea5fda666840", kill_on_drop: false }`
[INFO] [stdout] fd37272828534ce3ed093b2f475d60af0a0566c43c976c78de30ea5fda666840
[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=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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 594677f0a630574a9630c2bec9c47db0db386a3122e1ab33dded24c0f30a12f0
[INFO] running `Command { std: "docker" "start" "-a" "594677f0a630574a9630c2bec9c47db0db386a3122e1ab33dded24c0f30a12f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling const-field-offset-macro v0.1.0
[INFO] [stderr]    Compiling vtable-macro v0.1.2
[INFO] [stderr]    Compiling const-field-offset v0.1.0
[INFO] [stderr]    Compiling vtable v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.90s
[INFO] running `Command { std: "docker" "inspect" "594677f0a630574a9630c2bec9c47db0db386a3122e1ab33dded24c0f30a12f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594677f0a630574a9630c2bec9c47db0db386a3122e1ab33dded24c0f30a12f0", kill_on_drop: false }`
[INFO] [stdout] 594677f0a630574a9630c2bec9c47db0db386a3122e1ab33dded24c0f30a12f0
[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=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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b083502fddc4dc91b61e9ff2d7c8c00fb8720a5cded9d771ac21e3957d36a80c
[INFO] running `Command { std: "docker" "start" "-a" "b083502fddc4dc91b61e9ff2d7c8c00fb8720a5cded9d771ac21e3957d36a80c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vtable v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "b083502fddc4dc91b61e9ff2d7c8c00fb8720a5cded9d771ac21e3957d36a80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b083502fddc4dc91b61e9ff2d7c8c00fb8720a5cded9d771ac21e3957d36a80c", kill_on_drop: false }`
[INFO] [stdout] b083502fddc4dc91b61e9ff2d7c8c00fb8720a5cded9d771ac21e3957d36a80c
[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=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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f31a352276d5a3c986984cf973b04fd9200f26a2102ce23d464ab5979ebe99fb
[INFO] running `Command { std: "docker" "start" "-a" "f31a352276d5a3c986984cf973b04fd9200f26a2102ce23d464ab5979ebe99fb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vtable-03798f0d24405795)
[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] [stderr]      Running tests/test_vrc.rs (/opt/rustwide/target/debug/deps/test_vrc-fc1d45b3c2b08bb3)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test rc_dyn_test ... ok
[INFO] [stdout] test rc_test ... ok
[INFO] [stderr]      Running tests/test_vtable.rs (/opt/rustwide/target/debug/deps/test_vtable-272b6f1182feccc1)
[INFO] [stdout] test rc_test_threading ... 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 4 tests
[INFO] [stdout] test pin ... ok
[INFO] [stderr]    Doc-tests vtable
[INFO] [stdout] test test3 ... ok
[INFO] [stdout] test test2 ... ok
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/compile_fail_tests.rs - compile_fail_tests::test_new_vref::_1 (line 103) - compile fail ... ok
[INFO] [stdout] test src/compile_fail_tests.rs - compile_fail_tests::test_new_vref::_3 (line 136) - compile fail ... ok
[INFO] [stdout] test src/compile_fail_tests.rs - compile_fail_tests::test_vrefmut::_2 (line 86) - compile fail ... ok
[INFO] [stdout] test src/compile_fail_tests.rs - compile_fail_tests::test_vrefmut::_1 (line 72) - compile fail ... ok
[INFO] [stdout] test src/compile_fail_tests.rs - compile_fail_tests::test_new_vref::_5 (line 167) - compile fail ... ok
[INFO] [stdout] test src/compile_fail_tests.rs - compile_fail_tests::test_new_vref::_2 (line 120) - compile fail ... ok
[INFO] [stdout] test src/compile_fail_tests.rs - compile_fail_tests::m1::_ (line 40) - compile fail ... ok
[INFO] [stdout] test src/compile_fail_tests.rs - compile_fail_tests::test_new_vref::_4 (line 152) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - new_vref (line 401) ... ok
[INFO] [stdout] test src/compile_fail_tests.rs - compile_fail_tests::m1::_ (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f31a352276d5a3c986984cf973b04fd9200f26a2102ce23d464ab5979ebe99fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31a352276d5a3c986984cf973b04fd9200f26a2102ce23d464ab5979ebe99fb", kill_on_drop: false }`
[INFO] [stdout] f31a352276d5a3c986984cf973b04fd9200f26a2102ce23d464ab5979ebe99fb