[INFO] updating cached repository https://github.com/cis198-2016s/hw04
[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] 8d4ff5d6004215e2b89b4a807bb4306766ec36e7
[INFO] documenting cis198-2016s/hw04 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcis198-2016s%2Fhw04" "/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/cis198-2016s/hw04 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 git repo https://github.com/cis198-2016s/hw04
[INFO] finished tweaking git repo https://github.com/cis198-2016s/hw04
[INFO] tweaked toml for git repo https://github.com/cis198-2016s/hw04 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/cis198-2016s/hw04 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/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[INFO] the lockfile is outdated, regenerating it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" "+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-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" "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] 93ce7467697c2a802bfbe370ef3178fb6df8e7d1f3bb23a300be2db48a0320d9
[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" "93ce7467697c2a802bfbe370ef3178fb6df8e7d1f3bb23a300be2db48a0320d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93ce7467697c2a802bfbe370ef3178fb6df8e7d1f3bb23a300be2db48a0320d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ce7467697c2a802bfbe370ef3178fb6df8e7d1f3bb23a300be2db48a0320d9", kill_on_drop: false }`
[INFO] [stdout] 93ce7467697c2a802bfbe370ef3178fb6df8e7d1f3bb23a300be2db48a0320d9
[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" "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] 8cda5d7a7d007e6edb55f211df62452ad5d0b241ef4b237101cd951d3055a4c1
[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" "8cda5d7a7d007e6edb55f211df62452ad5d0b241ef4b237101cd951d3055a4c1", kill_on_drop: false }`
[INFO] [stderr]  Documenting hw04 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rpn::Stack`
[INFO] [stdout]  --> src/parser.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rpn::{self, Stack};
[INFO] [stdout]   |                 ^^^^^ no `Stack` in `rpn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Result` in module `rpn`
[INFO] [stdout]  --> src/parser.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_eval_print_loop() -> rpn::Result<()> {
[INFO] [stdout]   |                                       ^^^^^^ not found in `rpn`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Result;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::prelude::v1::Result;
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread::Result;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Result` in module `rpn`
[INFO] [stdout]   --> src/parser.rs:21:59
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn evaluate_line(stack: &mut Stack, buf: &String) -> rpn::Result<()> {
[INFO] [stdout]    |                                                           ^^^^^^ not found in `rpn`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::fmt::Result;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::prelude::v1::Result;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::thread::Result;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Stack` in this scope
[INFO] [stdout]   --> src/rpn.rs:47:6
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Stack {
[INFO] [stdout]    |      ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Stack` in this scope
[INFO] [stdout]   --> src/rpn.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new() -> Stack {
[INFO] [stdout]    |                     ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `hw04`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name hw04 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 --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "8cda5d7a7d007e6edb55f211df62452ad5d0b241ef4b237101cd951d3055a4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cda5d7a7d007e6edb55f211df62452ad5d0b241ef4b237101cd951d3055a4c1", kill_on_drop: false }`
[INFO] [stdout] 8cda5d7a7d007e6edb55f211df62452ad5d0b241ef4b237101cd951d3055a4c1