[INFO] cloning 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" "clone" "--bare" "https://github.com/andrei-cacio/distil-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrei-cacio%2Fdistil-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrei-cacio%2Fdistil-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bc08c4e8db64312eb22abfb384cea1cd9fc5279
[INFO] documenting andrei-cacio/distil-wasm against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrei-cacio%2Fdistil-wasm" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrei-cacio/distil-wasm on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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-2/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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lab v0.4.4
[INFO] [stderr]   Downloaded itertools v0.6.5
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.40
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.40
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.40
[INFO] [stderr]   Downloaded delta_e v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.40
[INFO] [stderr]   Downloaded bumpalo v2.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.40
[INFO] [stderr]   Downloaded wee_alloc v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06436782c7bb70325657ae3cdd4f63dd23b44a2aeb0d780d998164ee96ff10c5
[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" "06436782c7bb70325657ae3cdd4f63dd23b44a2aeb0d780d998164ee96ff10c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06436782c7bb70325657ae3cdd4f63dd23b44a2aeb0d780d998164ee96ff10c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06436782c7bb70325657ae3cdd4f63dd23b44a2aeb0d780d998164ee96ff10c5", kill_on_drop: false }`
[INFO] [stdout] 06436782c7bb70325657ae3cdd4f63dd23b44a2aeb0d780d998164ee96ff10c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d395d6dfd74500c7c89c03335ce31cffda3d129335557ec17652114eb9754d1
[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" "5d395d6dfd74500c7c89c03335ce31cffda3d129335557ec17652114eb9754d1", 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 num-traits v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling bumpalo v2.3.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling wasm-bindgen v0.2.40
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking lab v0.4.4
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking delta_e v0.1.0
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.40
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.40
[INFO] [stderr]    Compiling serde_derive v1.0.90
[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-638d2b98191b93cb.rmeta --extern color_quant=/opt/rustwide/target/debug/deps/libcolor_quant-7b77c3206a6da54b.rmeta --extern console_error_panic_hook=/opt/rustwide/target/debug/deps/libconsole_error_panic_hook-631d854e69dfb592.rmeta --extern delta_e=/opt/rustwide/target/debug/deps/libdelta_e-f710253f57eb5b16.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-89ef60faa9905054.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e7b46951f74ab286.rmeta --extern lab=/opt/rustwide/target/debug/deps/liblab-2e6d94681db26f02.rmeta --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-99df9d43847cbac5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-37eb56bce4a0bb62.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-3ab9bb81895333be.so --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-d9726e979c12b068.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "5d395d6dfd74500c7c89c03335ce31cffda3d129335557ec17652114eb9754d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d395d6dfd74500c7c89c03335ce31cffda3d129335557ec17652114eb9754d1", kill_on_drop: false }`
[INFO] [stdout] 5d395d6dfd74500c7c89c03335ce31cffda3d129335557ec17652114eb9754d1