[INFO] cloning repository https://github.com/ElXreno/filesorter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ElXreno/filesorter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElXreno%2Ffilesorter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElXreno%2Ffilesorter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29179e222f0a0f4ccd309e7b076f47dc1a1d90ee
[INFO] documenting ElXreno/filesorter 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%2FElXreno%2Ffilesorter" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ElXreno/filesorter 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/ElXreno/filesorter
[INFO] finished tweaking git repo https://github.com/ElXreno/filesorter
[INFO] tweaked toml for git repo https://github.com/ElXreno/filesorter written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ElXreno/filesorter 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5478308eb4692c97cb3241a79dc4c7203f93bfc11a50c65ffc478c20815e0a19
[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" "5478308eb4692c97cb3241a79dc4c7203f93bfc11a50c65ffc478c20815e0a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5478308eb4692c97cb3241a79dc4c7203f93bfc11a50c65ffc478c20815e0a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5478308eb4692c97cb3241a79dc4c7203f93bfc11a50c65ffc478c20815e0a19", kill_on_drop: false }`
[INFO] [stdout] 5478308eb4692c97cb3241a79dc4c7203f93bfc11a50c65ffc478c20815e0a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a4b5655917d53b9c691ca3ea63e3292673ebb067d22d8c4874fb9d7d70bbd3f6
[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" "a4b5655917d53b9c691ca3ea63e3292673ebb067d22d8c4874fb9d7d70bbd3f6", kill_on_drop: false }`
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]  Documenting filesorter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde_derive`
[INFO] [stdout]   --> src/settings.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_derive::{Deserialize, Serialize};
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: a similar path exists: `serde::serde_derive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Serialize`
[INFO] [stdout]   --> src/settings.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Clone, Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Deserialize`
[INFO] [stdout]   --> src/settings.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Clone, Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Serialize`
[INFO] [stdout]   --> src/settings.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Clone, Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Deserialize`
[INFO] [stdout]   --> src/settings.rs:18:35
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Clone, Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `serde` in this scope
[INFO] [stdout]   --> src/settings.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[serde(default)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 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 `filesorter`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name filesorter 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 chrono=/opt/rustwide/target/debug/deps/libchrono-cb1ea1286d2c9141.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-d8de5d56e70a343c.rmeta --extern directories=/opt/rustwide/target/debug/deps/libdirectories-e98007d1c60c6443.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-570daa8b5fc9252f.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6c3a0b07b375f48c.rmeta --cap-lints=warn --crate-version 0.2.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "a4b5655917d53b9c691ca3ea63e3292673ebb067d22d8c4874fb9d7d70bbd3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b5655917d53b9c691ca3ea63e3292673ebb067d22d8c4874fb9d7d70bbd3f6", kill_on_drop: false }`
[INFO] [stdout] a4b5655917d53b9c691ca3ea63e3292673ebb067d22d8c4874fb9d7d70bbd3f6