[INFO] cloning repository https://github.com/ralpha/serde_deserializer_best_effort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ralpha/serde_deserializer_best_effort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralpha%2Fserde_deserializer_best_effort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralpha%2Fserde_deserializer_best_effort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b269762f2e40a4dbc3da656ebbc0f6266be35749
[INFO] documenting ralpha/serde_deserializer_best_effort against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralpha%2Fserde_deserializer_best_effort" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ralpha/serde_deserializer_best_effort on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ralpha/serde_deserializer_best_effort
[INFO] removed workspace from git repo https://github.com/ralpha/serde_deserializer_best_effort
[INFO] removed path dependency custom_derive from git repo https://github.com/ralpha/serde_deserializer_best_effort
[INFO] finished tweaking git repo https://github.com/ralpha/serde_deserializer_best_effort
[INFO] tweaked toml for git repo https://github.com/ralpha/serde_deserializer_best_effort written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ralpha/serde_deserializer_best_effort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 786f3fed2ce033d5ec9a22be3cc713250be8e8b1cd3344fc76b60840fc08497c
[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" "786f3fed2ce033d5ec9a22be3cc713250be8e8b1cd3344fc76b60840fc08497c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "786f3fed2ce033d5ec9a22be3cc713250be8e8b1cd3344fc76b60840fc08497c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786f3fed2ce033d5ec9a22be3cc713250be8e8b1cd3344fc76b60840fc08497c", kill_on_drop: false }`
[INFO] [stdout] 786f3fed2ce033d5ec9a22be3cc713250be8e8b1cd3344fc76b60840fc08497c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 92c5348f2536e51d00dafd9aa756a168908b4060fb861a2d4bfc3aa77ce6648e
[INFO] running `Command { std: "docker" "start" "-a" "92c5348f2536e51d00dafd9aa756a168908b4060fb861a2d4bfc3aa77ce6648e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde-xml-rs v0.4.0
[INFO] [stderr]  Documenting serde_deserializer_best_effort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `custom_derive::DeserializeBestEffort`
[INFO] [stdout]   --> src/main.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | use custom_derive::{DeserializeBestEffort};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^ no `DeserializeBestEffort` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `DeserializeBestEffort`
[INFO] [stdout]   --> src/main.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[derive(Serialize, Debug, DeserializeBestEffort, Clone, Default)]
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `serde_deserializer_best_effort`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name serde_deserializer_best_effort src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern custom_derive=/opt/rustwide/target/debug/deps/libcustom_derive-4d13b9954652019b.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-d062c252d8a50730.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-29912926c20c61de.rmeta --extern serde_xml_rs=/opt/rustwide/target/debug/deps/libserde_xml_rs-8ee1da52ee93cd2c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-072fc5bed20a5ebd.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "92c5348f2536e51d00dafd9aa756a168908b4060fb861a2d4bfc3aa77ce6648e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c5348f2536e51d00dafd9aa756a168908b4060fb861a2d4bfc3aa77ce6648e", kill_on_drop: false }`
[INFO] [stdout] 92c5348f2536e51d00dafd9aa756a168908b4060fb861a2d4bfc3aa77ce6648e