[INFO] fetching crate type-variance 0.1.0...
[INFO] testing type-variance-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate type-variance 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate type-variance 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate type-variance 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate type-variance 0.1.0
[INFO] tweaked toml for crates.io crate type-variance 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea0ef4e666f79c39f32908e99bf8f95cfd70edea2d5341352a01bc856d99295d
[INFO] running `Command { std: "docker" "start" "-a" "ea0ef4e666f79c39f32908e99bf8f95cfd70edea2d5341352a01bc856d99295d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea0ef4e666f79c39f32908e99bf8f95cfd70edea2d5341352a01bc856d99295d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0ef4e666f79c39f32908e99bf8f95cfd70edea2d5341352a01bc856d99295d", kill_on_drop: false }`
[INFO] [stdout] ea0ef4e666f79c39f32908e99bf8f95cfd70edea2d5341352a01bc856d99295d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cc73787d2233c88706ceabb0260c98b5e5c78379454ef0bf0a868fa71fe9770
[INFO] running `Command { std: "docker" "start" "-a" "2cc73787d2233c88706ceabb0260c98b5e5c78379454ef0bf0a868fa71fe9770", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling type-variance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "2cc73787d2233c88706ceabb0260c98b5e5c78379454ef0bf0a868fa71fe9770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc73787d2233c88706ceabb0260c98b5e5c78379454ef0bf0a868fa71fe9770", kill_on_drop: false }`
[INFO] [stdout] 2cc73787d2233c88706ceabb0260c98b5e5c78379454ef0bf0a868fa71fe9770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cdee5cd17a2ee80b97148964452feba0b8e122dd7fc79cbd7ba7636be68b340
[INFO] running `Command { std: "docker" "start" "-a" "9cdee5cd17a2ee80b97148964452feba0b8e122dd7fc79cbd7ba7636be68b340", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling trybuild v1.0.45
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling type-variance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.98s
[INFO] running `Command { std: "docker" "inspect" "9cdee5cd17a2ee80b97148964452feba0b8e122dd7fc79cbd7ba7636be68b340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cdee5cd17a2ee80b97148964452feba0b8e122dd7fc79cbd7ba7636be68b340", kill_on_drop: false }`
[INFO] [stdout] 9cdee5cd17a2ee80b97148964452feba0b8e122dd7fc79cbd7ba7636be68b340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e031e2379c8dbd0f8aa1b1d45cfa86c26c2d9ba699ea3adb81f1f4466fcd0ebb
[INFO] running `Command { std: "docker" "start" "-a" "e031e2379c8dbd0f8aa1b1d45cfa86c26c2d9ba699ea3adb81f1f4466fcd0ebb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/type_variance-242000ca71ab9b1c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::co_contra ... ok
[INFO] [stdout] test tests::covariant ... ok
[INFO] [stderr]      Running tests/fail.rs (/opt/rustwide/target/debug/deps/failure_tests-9477602f962b90bf)
[INFO] [stdout] test tests::contravariant ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]     Checking type-variance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking type-variance-tests v0.0.0 (/opt/rustwide/target/tests/type-variance)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/fail_covariant.rs ... ok
[INFO] [stderr] test tests/fail_contravariant.rs ... ok
[INFO] [stderr] test tests/fail_invariant_covariant.rs ... ok
[INFO] [stderr] test tests/fail_invariant_contravariant.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test failure_tests ... ok
[INFO] [stderr]    Doc-tests type-variance
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.30s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - Lifetime (line 165) ... ok
[INFO] [stdout] test src/lib.rs - variance (line 187) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e031e2379c8dbd0f8aa1b1d45cfa86c26c2d9ba699ea3adb81f1f4466fcd0ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e031e2379c8dbd0f8aa1b1d45cfa86c26c2d9ba699ea3adb81f1f4466fcd0ebb", kill_on_drop: false }`
[INFO] [stdout] e031e2379c8dbd0f8aa1b1d45cfa86c26c2d9ba699ea3adb81f1f4466fcd0ebb