[INFO] fetching crate descriptor 0.0.4...
[INFO] testing descriptor-0.0.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate descriptor 0.0.4 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate descriptor 0.0.4 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f0af4c530790b69002691a5f675158717cf007ba34fa3d6c526f6b9a0abdf7c
[INFO] running `Command { std: "docker" "start" "-a" "4f0af4c530790b69002691a5f675158717cf007ba34fa3d6c526f6b9a0abdf7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f0af4c530790b69002691a5f675158717cf007ba34fa3d6c526f6b9a0abdf7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0af4c530790b69002691a5f675158717cf007ba34fa3d6c526f6b9a0abdf7c", kill_on_drop: false }`
[INFO] [stdout] 4f0af4c530790b69002691a5f675158717cf007ba34fa3d6c526f6b9a0abdf7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc4a83fd17962d79cb2a92323def7dbb6afc45c3aa942720ef1b092c1ddddd61
[INFO] running `Command { std: "docker" "start" "-a" "cc4a83fd17962d79cb2a92323def7dbb6afc45c3aa942720ef1b092c1ddddd61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling version_check v0.9.3
[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 quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.81
[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 9.86s
[INFO] running `Command { std: "docker" "inspect" "cc4a83fd17962d79cb2a92323def7dbb6afc45c3aa942720ef1b092c1ddddd61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc4a83fd17962d79cb2a92323def7dbb6afc45c3aa942720ef1b092c1ddddd61", kill_on_drop: false }`
[INFO] [stdout] cc4a83fd17962d79cb2a92323def7dbb6afc45c3aa942720ef1b092c1ddddd61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4636c1a29c41f2cbd2eb95abd1c7ed0bb5c189806e3f48cb13093ca03af4d277
[INFO] running `Command { std: "docker" "start" "-a" "4636c1a29c41f2cbd2eb95abd1c7ed0bb5c189806e3f48cb13093ca03af4d277", kill_on_drop: false }`
[INFO] [stderr]    Compiling descriptor v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "4636c1a29c41f2cbd2eb95abd1c7ed0bb5c189806e3f48cb13093ca03af4d277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4636c1a29c41f2cbd2eb95abd1c7ed0bb5c189806e3f48cb13093ca03af4d277", kill_on_drop: false }`
[INFO] [stdout] 4636c1a29c41f2cbd2eb95abd1c7ed0bb5c189806e3f48cb13093ca03af4d277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae8632dc4a8bcea864cca2e47cd34533a81ba4c1461b0ecbb6473c4b97daac4b
[INFO] running `Command { std: "docker" "start" "-a" "ae8632dc4a8bcea864cca2e47cd34533a81ba4c1461b0ecbb6473c4b97daac4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/descriptor-e675a2f73c9fbacb)
[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-ccd7045febb01cf1)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_flatten ... ok
[INFO] [stdout] test test_describe_enum ... ok
[INFO] [stdout] test test_extra_fields ... 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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/table_test.rs (/opt/rustwide/target/debug/deps/table_test-d09ab7b9974f7a9a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_into_field_level ... ok
[INFO] [stdout] test test_extra_fields ... ok
[INFO] [stdout] test test_map_all ... ok
[INFO] [stdout] test test_table_inner ... ok
[INFO] [stdout] test test_table_descriptor ... ok
[INFO] [stdout] test test_table_headers ... 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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests descriptor
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 274) ... ok
[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 62) ... ok
[INFO] [stdout] test src/lib.rs - (line 112) ... ok
[INFO] [stdout] test src/lib.rs - (line 176) ... ok
[INFO] [stdout] test src/lib.rs - (line 421) ... 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 307) ... ok
[INFO] [stdout] test src/lib.rs - (line 350) ... 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 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae8632dc4a8bcea864cca2e47cd34533a81ba4c1461b0ecbb6473c4b97daac4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8632dc4a8bcea864cca2e47cd34533a81ba4c1461b0ecbb6473c4b97daac4b", kill_on_drop: false }`
[INFO] [stdout] ae8632dc4a8bcea864cca2e47cd34533a81ba4c1461b0ecbb6473c4b97daac4b