[INFO] fetching crate user_doc-doc_proc_macro 0.0.1...
[INFO] testing user_doc-doc_proc_macro-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate user_doc-doc_proc_macro 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate user_doc-doc_proc_macro 0.0.1 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 user_doc-doc_proc_macro 0.0.1
[INFO] finished tweaking crates.io crate user_doc-doc_proc_macro 0.0.1
[INFO] tweaked toml for crates.io crate user_doc-doc_proc_macro 0.0.1 written to /workspace/builds/worker-0/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-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" "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] f9a8eb6c4d1519caf303151749afff295eee549665d813d7f493228a77b98847
[INFO] running `Command { std: "docker" "start" "-a" "f9a8eb6c4d1519caf303151749afff295eee549665d813d7f493228a77b98847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9a8eb6c4d1519caf303151749afff295eee549665d813d7f493228a77b98847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a8eb6c4d1519caf303151749afff295eee549665d813d7f493228a77b98847", kill_on_drop: false }`
[INFO] [stdout] f9a8eb6c4d1519caf303151749afff295eee549665d813d7f493228a77b98847
[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" "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] 96f3fc8dee3af6c829027f2a6d8ec02c2372cf1b19b6a31467704471d269938c
[INFO] running `Command { std: "docker" "start" "-a" "96f3fc8dee3af6c829027f2a6d8ec02c2372cf1b19b6a31467704471d269938c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[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
[INFO] [stderr]    Compiling user_doc-doc_proc_macro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.81s
[INFO] running `Command { std: "docker" "inspect" "96f3fc8dee3af6c829027f2a6d8ec02c2372cf1b19b6a31467704471d269938c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f3fc8dee3af6c829027f2a6d8ec02c2372cf1b19b6a31467704471d269938c", kill_on_drop: false }`
[INFO] [stdout] 96f3fc8dee3af6c829027f2a6d8ec02c2372cf1b19b6a31467704471d269938c
[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" "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] 57c7096e425269f44227bf6607032f61aa3fa9dab8c0cd0fd65aa112311a8e91
[INFO] running `Command { std: "docker" "start" "-a" "57c7096e425269f44227bf6607032f61aa3fa9dab8c0cd0fd65aa112311a8e91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling user_doc-doc_proc_macro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "57c7096e425269f44227bf6607032f61aa3fa9dab8c0cd0fd65aa112311a8e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c7096e425269f44227bf6607032f61aa3fa9dab8c0cd0fd65aa112311a8e91", kill_on_drop: false }`
[INFO] [stdout] 57c7096e425269f44227bf6607032f61aa3fa9dab8c0cd0fd65aa112311a8e91
[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" "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] 70df408d66ead6b7242d13d0e3841e04691253bc2459efadec25fb8a22f06fa5
[INFO] running `Command { std: "docker" "start" "-a" "70df408d66ead6b7242d13d0e3841e04691253bc2459efadec25fb8a22f06fa5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/user_doc_doc_proc_macro-3e9bfcad8645720c)
[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]    Doc-tests user_doc-doc_proc_macro
[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] running `Command { std: "docker" "inspect" "70df408d66ead6b7242d13d0e3841e04691253bc2459efadec25fb8a22f06fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70df408d66ead6b7242d13d0e3841e04691253bc2459efadec25fb8a22f06fa5", kill_on_drop: false }`
[INFO] [stdout] 70df408d66ead6b7242d13d0e3841e04691253bc2459efadec25fb8a22f06fa5