[INFO] fetching crate descriptor 0.0.4...
[INFO] testing descriptor-0.0.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate descriptor 0.0.4 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate descriptor 0.0.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate descriptor 0.0.4
[INFO] finished tweaking crates.io crate descriptor 0.0.4
[INFO] tweaked toml for crates.io crate descriptor 0.0.4 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded descriptor_derive v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88bb408ddc5d42e2decbf733340028da7f2ce87b0b2f8d6ce0bedcd5652f4ee9
[INFO] running `Command { std: "docker" "start" "-a" "88bb408ddc5d42e2decbf733340028da7f2ce87b0b2f8d6ce0bedcd5652f4ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88bb408ddc5d42e2decbf733340028da7f2ce87b0b2f8d6ce0bedcd5652f4ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88bb408ddc5d42e2decbf733340028da7f2ce87b0b2f8d6ce0bedcd5652f4ee9", kill_on_drop: false }`
[INFO] [stdout] 88bb408ddc5d42e2decbf733340028da7f2ce87b0b2f8d6ce0bedcd5652f4ee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be964679e2511de120fa19b16dfdf5b5f31feac5524ab91b1c6f97c1791ad9e1
[INFO] running `Command { std: "docker" "start" "-a" "be964679e2511de120fa19b16dfdf5b5f31feac5524ab91b1c6f97c1791ad9e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling vte v0.10.1
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.1
[INFO] [stderr]    Compiling descriptor_derive v0.0.4
[INFO] [stderr]    Compiling descriptor v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.41s
[INFO] running `Command { std: "docker" "inspect" "be964679e2511de120fa19b16dfdf5b5f31feac5524ab91b1c6f97c1791ad9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be964679e2511de120fa19b16dfdf5b5f31feac5524ab91b1c6f97c1791ad9e1", kill_on_drop: false }`
[INFO] [stdout] be964679e2511de120fa19b16dfdf5b5f31feac5524ab91b1c6f97c1791ad9e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a213a9e6061317e7a21fdd4e48a976a98e6013ce664577d71f4472406503ea27
[INFO] running `Command { std: "docker" "start" "-a" "a213a9e6061317e7a21fdd4e48a976a98e6013ce664577d71f4472406503ea27", kill_on_drop: false }`
[INFO] [stderr]    Compiling descriptor v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "a213a9e6061317e7a21fdd4e48a976a98e6013ce664577d71f4472406503ea27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a213a9e6061317e7a21fdd4e48a976a98e6013ce664577d71f4472406503ea27", kill_on_drop: false }`
[INFO] [stdout] a213a9e6061317e7a21fdd4e48a976a98e6013ce664577d71f4472406503ea27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b74540a7cca7bd972dede403cf26b851ab588714471b83473c170e030953237
[INFO] running `Command { std: "docker" "start" "-a" "2b74540a7cca7bd972dede403cf26b851ab588714471b83473c170e030953237", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/descriptor-5be5861bb872a065)
[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/describe_test.rs (/opt/rustwide/target/debug/deps/describe_test-81b3cc25f5d48664)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_describe_enum ... ok
[INFO] [stdout] test test_extra_fields ... ok
[INFO] [stdout] test test_flatten ... ok
[INFO] [stdout] test test_func ... ok
[INFO] [stdout] test test_into_field_level ... ok
[INFO] [stdout] test test_into_struct_level ... ok
[INFO] [stdout] test test_map ... ok
[INFO] [stdout] test test_table_description ... ok
[INFO] [stdout] test test_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/table_test.rs (/opt/rustwide/target/debug/deps/table_test-7368ba5b089cd440)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_extra_fields ... ok
[INFO] [stdout] test test_into_field_level ... ok
[INFO] [stdout] test test_map_all ... ok
[INFO] [stdout] test test_table_descriptor ... ok
[INFO] [stdout] test test_table_headers ... ok
[INFO] [stdout] test test_table_inner ... ok
[INFO] [stdout] test test_table_skip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests descriptor
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 216) ... ok
[INFO] [stdout] test src/lib.rs - (line 243) ... ok
[INFO] [stdout] test src/lib.rs - (line 274) ... ok
[INFO] [stdout] test src/lib.rs - (line 421) ... ok
[INFO] [stdout] test src/lib.rs - (line 112) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] test src/lib.rs - (line 176) ... ok
[INFO] [stdout] test src/lib.rs - (line 150) ... ok
[INFO] [stdout] test src/lib.rs - (line 393) ... ok
[INFO] [stdout] test src/lib.rs - (line 350) ... ok
[INFO] [stdout] test src/lib.rs - (line 307) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2b74540a7cca7bd972dede403cf26b851ab588714471b83473c170e030953237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b74540a7cca7bd972dede403cf26b851ab588714471b83473c170e030953237", kill_on_drop: false }`
[INFO] [stdout] 2b74540a7cca7bd972dede403cf26b851ab588714471b83473c170e030953237