[INFO] fetching crate shrinkwraprs 0.3.0...
[INFO] testing shrinkwraprs-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate shrinkwraprs 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate shrinkwraprs 0.3.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shrinkwraprs 0.3.0
[INFO] finished tweaking crates.io crate shrinkwraprs 0.3.0
[INFO] tweaked toml for crates.io crate shrinkwraprs 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate shrinkwraprs 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a4744805a6090f55c5d0e97c2960c4c8657b14b3cb694f8e91c3a2cd27b9acb
[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" "2a4744805a6090f55c5d0e97c2960c4c8657b14b3cb694f8e91c3a2cd27b9acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a4744805a6090f55c5d0e97c2960c4c8657b14b3cb694f8e91c3a2cd27b9acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4744805a6090f55c5d0e97c2960c4c8657b14b3cb694f8e91c3a2cd27b9acb", kill_on_drop: false }`
[INFO] [stdout] 2a4744805a6090f55c5d0e97c2960c4c8657b14b3cb694f8e91c3a2cd27b9acb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 59beeeb9310f766bbb20bc729845f2af800b7f5a26e26b38a53c9084dcd1ee88
[INFO] running `Command { std: "docker" "start" "-a" "59beeeb9310f766bbb20bc729845f2af800b7f5a26e26b38a53c9084dcd1ee88", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.29s
[INFO] running `Command { std: "docker" "inspect" "59beeeb9310f766bbb20bc729845f2af800b7f5a26e26b38a53c9084dcd1ee88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59beeeb9310f766bbb20bc729845f2af800b7f5a26e26b38a53c9084dcd1ee88", kill_on_drop: false }`
[INFO] [stdout] 59beeeb9310f766bbb20bc729845f2af800b7f5a26e26b38a53c9084dcd1ee88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb0bf0e7612e76e308cf11bfb7adcac8ec9b0e64f1a972d686874520515093b2
[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" "fb0bf0e7612e76e308cf11bfb7adcac8ec9b0e64f1a972d686874520515093b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `Command { std: "docker" "inspect" "fb0bf0e7612e76e308cf11bfb7adcac8ec9b0e64f1a972d686874520515093b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb0bf0e7612e76e308cf11bfb7adcac8ec9b0e64f1a972d686874520515093b2", kill_on_drop: false }`
[INFO] [stdout] fb0bf0e7612e76e308cf11bfb7adcac8ec9b0e64f1a972d686874520515093b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af4b29ff6453689309f9841c331545f3194e6f15e41d55d8e255f3ab1d4a2fb3
[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" "af4b29ff6453689309f9841c331545f3194e6f15e41d55d8e255f3ab1d4a2fb3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shrinkwraprs-e44ef9aefb84a1ec
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis15 ... ok
[INFO] [stdout] test ast::tests::test_field_attribute_found ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis5 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis6 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis7 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis10 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis2 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis1 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis11 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis14 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis12 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis13 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis3 ... ok
[INFO] [stdout] test ast::tests::test_field_attribute_not_found ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis4 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis16 ... ok
[INFO] [stdout] test visibility::path_convert_tests::vis_test1 ... ok
[INFO] [stdout] test visibility::path_convert_tests::vis_test2 ... ok
[INFO] [stdout] test visibility::path_convert_tests::vis_test3 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis8 ... ok
[INFO] [stdout] test visibility::path_convert_tests::vis_test7 ... ok
[INFO] [stdout] test visibility::path_convert_tests::vis_test6 ... ok
[INFO] [stdout] test visibility::path_convert_tests::vis_test4 ... ok
[INFO] [stdout] test visibility::path_convert_tests::vis_test5 ... ok
[INFO] [stdout] test visibility::field_visibility_tests::test_field_vis9 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/impl_immut-c0b6bb0c24cb555b
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_nary_tuple_can_deref ... ok
[INFO] [stdout] test test_multi_can_deref ... ok
[INFO] [stdout] test test_single_can_deref ... ok
[INFO] [stdout] test test_tuple_can_deref ... 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] [stderr]      Running /opt/rustwide/target/debug/deps/impl_mut-d83834cc309eaa32
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_single_can_deref_mut ... ok
[INFO] [stdout] test test_nary_tuple_can_deref_mut ... ok
[INFO] [stdout] test test_tuple_can_deref_mut ... ok
[INFO] [stdout] test test_multi_can_deref_mut ... 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] [stderr]      Running /opt/rustwide/target/debug/deps/transformers-f8948ab521b95b4f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_map_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shrinkwraprs
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 54) ... ignored
[INFO] [stdout] test src/lib.rs - (line 6) ... ignored
[INFO] [stdout] test src/lib.rs - (line 73) ... ignored
[INFO] [stdout] test src/lib.rs - (line 87) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af4b29ff6453689309f9841c331545f3194e6f15e41d55d8e255f3ab1d4a2fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4b29ff6453689309f9841c331545f3194e6f15e41d55d8e255f3ab1d4a2fb3", kill_on_drop: false }`
[INFO] [stdout] af4b29ff6453689309f9841c331545f3194e6f15e41d55d8e255f3ab1d4a2fb3