[INFO] fetching crate instagen 0.1.1...
[INFO] documenting instagen-0.1.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate instagen 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate instagen 0.1.1 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 crates.io crate instagen 0.1.1
[INFO] finished tweaking crates.io crate instagen 0.1.1
[INFO] tweaked toml for crates.io crate instagen 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4b3511945dacdca8e4eb31d347d454cc713bab6b821f19a9fa7a20a0987e81f7
[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" "4b3511945dacdca8e4eb31d347d454cc713bab6b821f19a9fa7a20a0987e81f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3511945dacdca8e4eb31d347d454cc713bab6b821f19a9fa7a20a0987e81f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3511945dacdca8e4eb31d347d454cc713bab6b821f19a9fa7a20a0987e81f7", kill_on_drop: false }`
[INFO] [stdout] 4b3511945dacdca8e4eb31d347d454cc713bab6b821f19a9fa7a20a0987e81f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 9081c2188a54292e231a22acc6ec8c4cd59431144e5e71e8016ff43384aab64f
[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" "9081c2188a54292e231a22acc6ec8c4cd59431144e5e71e8016ff43384aab64f", kill_on_drop: false }`
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]  Documenting instagen v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/lib.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Deserialize)]
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `instagen`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name instagen src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-0712e599f4d05be4.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-5e80f06216331e5d.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-dd637e51935b99fa.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-f19e18adc29e7037.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5429dd6d097468fb.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "9081c2188a54292e231a22acc6ec8c4cd59431144e5e71e8016ff43384aab64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9081c2188a54292e231a22acc6ec8c4cd59431144e5e71e8016ff43384aab64f", kill_on_drop: false }`
[INFO] [stdout] 9081c2188a54292e231a22acc6ec8c4cd59431144e5e71e8016ff43384aab64f