[INFO] updating cached repository https://github.com/Emerentius/sudoku_web
[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] 54a797676531e215d219fdac4657b53b1ce24465
[INFO] documenting Emerentius/sudoku_web against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmerentius%2Fsudoku_web" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Emerentius/sudoku_web 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/Emerentius/sudoku_web
[INFO] finished tweaking git repo https://github.com/Emerentius/sudoku_web
[INFO] tweaked toml for git repo https://github.com/Emerentius/sudoku_web written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Emerentius/sudoku_web 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b34b915b245df58131bf650089eb8da364387e279fcb2cd5938f198c1c0751c4
[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" "b34b915b245df58131bf650089eb8da364387e279fcb2cd5938f198c1c0751c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b34b915b245df58131bf650089eb8da364387e279fcb2cd5938f198c1c0751c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34b915b245df58131bf650089eb8da364387e279fcb2cd5938f198c1c0751c4", kill_on_drop: false }`
[INFO] [stdout] b34b915b245df58131bf650089eb8da364387e279fcb2cd5938f198c1c0751c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 33f998283f2a7309f0bac55e896cb8722ed5f70e0f7c80c552fc7df5c667d54e
[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" "33f998283f2a7309f0bac55e896cb8722ed5f70e0f7c80c552fc7df5c667d54e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]     Checking discard v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking sudoku v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]  Documenting sudoku_web v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `stdweb::js_export`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use stdweb::js_export;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `js_export` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `js_export`
[INFO] [stdout]   --> src/lib.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[js_export]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `sudoku_web`.
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type cdylib --crate-name sudoku_web 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 stdweb=/opt/rustwide/target/debug/deps/libstdweb-982166e3093ed437.rmeta --extern sudoku=/opt/rustwide/target/debug/deps/libsudoku-b130e59fb24186cc.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "33f998283f2a7309f0bac55e896cb8722ed5f70e0f7c80c552fc7df5c667d54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f998283f2a7309f0bac55e896cb8722ed5f70e0f7c80c552fc7df5c667d54e", kill_on_drop: false }`
[INFO] [stdout] 33f998283f2a7309f0bac55e896cb8722ed5f70e0f7c80c552fc7df5c667d54e