[INFO] updating cached repository https://github.com/Nebopolis/avro-rs
[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] 36c79c37f05449b352d83e5dbd6c2bfa41838663
[INFO] documenting Nebopolis/avro-rs against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNebopolis%2Favro-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nebopolis/avro-rs 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/Nebopolis/avro-rs
[INFO] finished tweaking git repo https://github.com/Nebopolis/avro-rs
[INFO] tweaked toml for git repo https://github.com/Nebopolis/avro-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Nebopolis/avro-rs 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] error: the lock file /workspace/builds/worker-0/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[INFO] the lockfile is outdated, regenerating it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" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 74a24d1e87db5c32f470a59eb71d5e4d31fad40d29ef97f4c94ed206d353808d
[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" "74a24d1e87db5c32f470a59eb71d5e4d31fad40d29ef97f4c94ed206d353808d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74a24d1e87db5c32f470a59eb71d5e4d31fad40d29ef97f4c94ed206d353808d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a24d1e87db5c32f470a59eb71d5e4d31fad40d29ef97f4c94ed206d353808d", kill_on_drop: false }`
[INFO] [stdout] 74a24d1e87db5c32f470a59eb71d5e4d31fad40d29ef97f4c94ed206d353808d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0d23cb8beecd92b853327b818daec356b3a41d784de40564553a61e3ae7c1944
[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" "0d23cb8beecd92b853327b818daec356b3a41d784de40564553a61e3ae7c1944", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]  Documenting avro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0405]: cannot find trait `MapVisitor` in module `serde::ser`
[INFO] [stdout]    --> src/lib.rs:110:24
[INFO] [stdout]     |
[INFO] [stdout] 110 |   impl<'a> serde::ser::MapVisitor for MapVisitor<'a, Fixed> {
[INFO] [stdout]     |                        ^^^^^^^^^^ not found in `serde::ser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `MapVisitor` in module `serde::ser`
[INFO] [stdout]    --> src/lib.rs:149:24
[INFO] [stdout]     |
[INFO] [stdout] 149 |   impl<'a> serde::ser::MapVisitor for MapVisitor<'a, Enum> {
[INFO] [stdout]     |                        ^^^^^^^^^^ not found in `serde::ser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `MapVisitor` in module `serde::ser`
[INFO] [stdout]    --> src/lib.rs:192:24
[INFO] [stdout]     |
[INFO] [stdout] 192 |   impl<'a> serde::ser::MapVisitor for MapVisitor<'a, Record> {
[INFO] [stdout]     |                        ^^^^^^^^^^ not found in `serde::ser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `MapVisitor` in module `serde::ser`
[INFO] [stdout]    --> src/lib.rs:248:24
[INFO] [stdout]     |
[INFO] [stdout] 248 |   impl<'a> serde::ser::MapVisitor for MapVisitor<'a, Field> {
[INFO] [stdout]     |                        ^^^^^^^^^^ not found in `serde::ser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `avro`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name avro 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 serde=/opt/rustwide/target/debug/deps/libserde-8ae523b783554553.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-51e155187988928d.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "0d23cb8beecd92b853327b818daec356b3a41d784de40564553a61e3ae7c1944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d23cb8beecd92b853327b818daec356b3a41d784de40564553a61e3ae7c1944", kill_on_drop: false }`
[INFO] [stdout] 0d23cb8beecd92b853327b818daec356b3a41d784de40564553a61e3ae7c1944