[INFO] fetching crate user_doc-doc_data 0.0.1...
[INFO] testing user_doc-doc_data-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate user_doc-doc_data 0.0.1 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate user_doc-doc_data 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate user_doc-doc_data 0.0.1
[INFO] finished tweaking crates.io crate user_doc-doc_data 0.0.1
[INFO] tweaked toml for crates.io crate user_doc-doc_data 0.0.1 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9975dfc86144e70556719dc0a30cad41f5600c36a78f8b1a188cf980a23d1909
[INFO] running `Command { std: "docker" "start" "-a" "9975dfc86144e70556719dc0a30cad41f5600c36a78f8b1a188cf980a23d1909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9975dfc86144e70556719dc0a30cad41f5600c36a78f8b1a188cf980a23d1909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9975dfc86144e70556719dc0a30cad41f5600c36a78f8b1a188cf980a23d1909", kill_on_drop: false }`
[INFO] [stdout] 9975dfc86144e70556719dc0a30cad41f5600c36a78f8b1a188cf980a23d1909
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae6d32a2c11ea03ce955b4a1cc9ebf9fd3326c824f7e144aec4ec28b76b4d546
[INFO] running `Command { std: "docker" "start" "-a" "ae6d32a2c11ea03ce955b4a1cc9ebf9fd3326c824f7e144aec4ec28b76b4d546", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling user_doc-doc_data v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.34s
[INFO] running `Command { std: "docker" "inspect" "ae6d32a2c11ea03ce955b4a1cc9ebf9fd3326c824f7e144aec4ec28b76b4d546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6d32a2c11ea03ce955b4a1cc9ebf9fd3326c824f7e144aec4ec28b76b4d546", kill_on_drop: false }`
[INFO] [stdout] ae6d32a2c11ea03ce955b4a1cc9ebf9fd3326c824f7e144aec4ec28b76b4d546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d0e2ea763f575ef0378c8413c10dcf5c6d53ae0cf8ccd5c0ea5cefb90a96f16
[INFO] running `Command { std: "docker" "start" "-a" "8d0e2ea763f575ef0378c8413c10dcf5c6d53ae0cf8ccd5c0ea5cefb90a96f16", kill_on_drop: false }`
[INFO] [stderr]    Compiling user_doc-doc_data v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "8d0e2ea763f575ef0378c8413c10dcf5c6d53ae0cf8ccd5c0ea5cefb90a96f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d0e2ea763f575ef0378c8413c10dcf5c6d53ae0cf8ccd5c0ea5cefb90a96f16", kill_on_drop: false }`
[INFO] [stdout] 8d0e2ea763f575ef0378c8413c10dcf5c6d53ae0cf8ccd5c0ea5cefb90a96f16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e02ac57d22e88fd130be93485ed04dc85a94eb3ab8a67102b52ee39632232a7b
[INFO] running `Command { std: "docker" "start" "-a" "e02ac57d22e88fd130be93485ed04dc85a94eb3ab8a67102b52ee39632232a7b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/user_doc_doc_data-d131c87918521d87)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests user_doc-doc_data
[INFO] [stdout] test tests::deep_iter ... 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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - HelperAttr (line 105) ... ignored
[INFO] [stdout] test src/lib.rs - HelperAttr (line 94) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e02ac57d22e88fd130be93485ed04dc85a94eb3ab8a67102b52ee39632232a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02ac57d22e88fd130be93485ed04dc85a94eb3ab8a67102b52ee39632232a7b", kill_on_drop: false }`
[INFO] [stdout] e02ac57d22e88fd130be93485ed04dc85a94eb3ab8a67102b52ee39632232a7b