[INFO] updating cached repository https://github.com/andrei-cacio/distil-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bc08c4e8db64312eb22abfb384cea1cd9fc5279
[INFO] documenting andrei-cacio/distil-wasm against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrei-cacio%2Fdistil-wasm" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrei-cacio/distil-wasm on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrei-cacio/distil-wasm
[INFO] finished tweaking git repo https://github.com/andrei-cacio/distil-wasm
[INFO] tweaked toml for git repo https://github.com/andrei-cacio/distil-wasm written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/andrei-cacio/distil-wasm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a53ee8b6c012079fe515539ca6cf4b672f8fd285c2550041c688f7147178108f
[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" "a53ee8b6c012079fe515539ca6cf4b672f8fd285c2550041c688f7147178108f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a53ee8b6c012079fe515539ca6cf4b672f8fd285c2550041c688f7147178108f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53ee8b6c012079fe515539ca6cf4b672f8fd285c2550041c688f7147178108f", kill_on_drop: false }`
[INFO] [stdout] a53ee8b6c012079fe515539ca6cf4b672f8fd285c2550041c688f7147178108f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aec1aba50870018a72ee9712affa3971d7942e95e5add9963ec639e1de887f91
[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" "aec1aba50870018a72ee9712affa3971d7942e95e5add9963ec639e1de887f91", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.40
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling bumpalo v2.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.40
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking lab v0.4.4
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking delta_e v0.1.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.40
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.40
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.40
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]  Documenting distil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `derive` may only be applied to structs, enums and unions
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     #[derive(Serialize)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected an inert attribute, found a derive macro
[INFO] [stdout]   --> src/lib.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |     #[derive(Serialize)]
[INFO] [stdout]    |              ^^^^^^^^^
[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] [stderr] error: Could not document `distil`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type cdylib --crate-type rlib --crate-name distil src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="console_error_panic_hook"' --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-4c16965523f919ca.rmeta --extern color_quant=/opt/rustwide/target/debug/deps/libcolor_quant-b7929708d4328824.rmeta --extern console_error_panic_hook=/opt/rustwide/target/debug/deps/libconsole_error_panic_hook-96758071d9dbbc41.rmeta --extern delta_e=/opt/rustwide/target/debug/deps/libdelta_e-514d9d6beeef25f6.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-78bd0f6ab0fd23cb.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-385739df7e753c9d.rmeta --extern lab=/opt/rustwide/target/debug/deps/liblab-5cb66e5575225f29.rmeta --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-7770d0518dad2657.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-50bb76c23cc54b9b.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-b8aa0f4b4331c147.so --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-1d210575800bedcf.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "aec1aba50870018a72ee9712affa3971d7942e95e5add9963ec639e1de887f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec1aba50870018a72ee9712affa3971d7942e95e5add9963ec639e1de887f91", kill_on_drop: false }`
[INFO] [stdout] aec1aba50870018a72ee9712affa3971d7942e95e5add9963ec639e1de887f91