[INFO] crate salty 0.1.0-alpha.0 is already in cache
[INFO] documenting salty-0.1.0-alpha.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate salty 0.1.0-alpha.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate salty 0.1.0-alpha.0 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate salty 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate salty 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate salty 0.1.0-alpha.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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" "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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de4678468faa6465a201fd9d4999d1bd6bd7c9df85d2de9b7bee591c13c21bad
[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" "de4678468faa6465a201fd9d4999d1bd6bd7c9df85d2de9b7bee591c13c21bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de4678468faa6465a201fd9d4999d1bd6bd7c9df85d2de9b7bee591c13c21bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4678468faa6465a201fd9d4999d1bd6bd7c9df85d2de9b7bee591c13c21bad", kill_on_drop: false }`
[INFO] [stdout] de4678468faa6465a201fd9d4999d1bd6bd7c9df85d2de9b7bee591c13c21bad
[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" "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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 717695cd2225709a2bd27b74597826776b6fcff7221eebeefa25c8780d5a153a
[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" "717695cd2225709a2bd27b74597826776b6fcff7221eebeefa25c8780d5a153a", kill_on_drop: false }`
[INFO] [stderr]    Compiling salty v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting salty v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Please select exactly one of the available field implementation features:
[INFO] [stdout]   - tweetnacl
[INFO] [stdout]   - haase
[INFO] [stdout]    --> src/lib.rs:174:1
[INFO] [stdout]     |
[INFO] [stdout] 174 | / compile_error!("Please select exactly one of the available field implementation features:
[INFO] [stdout] 175 | |   - tweetnacl
[INFO] [stdout] 176 | |   - haase");
[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 `salty`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name salty 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 subtle=/opt/rustwide/target/debug/deps/libsubtle-fae9f5f2111a2da8.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "717695cd2225709a2bd27b74597826776b6fcff7221eebeefa25c8780d5a153a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717695cd2225709a2bd27b74597826776b6fcff7221eebeefa25c8780d5a153a", kill_on_drop: false }`
[INFO] [stdout] 717695cd2225709a2bd27b74597826776b6fcff7221eebeefa25c8780d5a153a