[INFO] cloning repository https://github.com/jroesch/stg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jroesch/stg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjroesch%2Fstg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjroesch%2Fstg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 461e71964daf4893a4c33cd742bd7c54e21f5012
[INFO] documenting jroesch/stg against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjroesch%2Fstg" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jroesch/stg on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jroesch/stg
[INFO] finished tweaking git repo https://github.com/jroesch/stg
[INFO] tweaked toml for git repo https://github.com/jroesch/stg written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jroesch/stg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40963bb766381aec8780efb4a51b2f6b122cf0a6ba2d6c6fc20888024379530c
[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" "40963bb766381aec8780efb4a51b2f6b122cf0a6ba2d6c6fc20888024379530c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40963bb766381aec8780efb4a51b2f6b122cf0a6ba2d6c6fc20888024379530c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40963bb766381aec8780efb4a51b2f6b122cf0a6ba2d6c6fc20888024379530c", kill_on_drop: false }`
[INFO] [stdout] 40963bb766381aec8780efb4a51b2f6b122cf0a6ba2d6c6fc20888024379530c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05fa172c0da96b41620cef4d576c4759881ce1b4b673f7cfd9a2bb9bd41323c2
[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" "05fa172c0da96b41620cef4d576c4759881ce1b4b673f7cfd9a2bb9bd41323c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting stg v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `let`
[INFO] [stdout]   --> src/machine/mod.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 debug!("Rule: LET")
[INFO] [stdout]    |                                    - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 72 |                 let x_prime = self.allocate(obj);
[INFO] [stdout]    |                 ^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `subst`
[INFO] [stdout]   --> src/machine/mod.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub mod subst;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `subst`, create file "src/machine/subst.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/machine/scope.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut binding_range = range(0u, bindings.len());
[INFO] [stdout]    |                                       ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0178]: expected a path on the left-hand side of `+`, not `&'a mut Writer`
[INFO] [stdout]   --> src/pretty.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub buf: &'a mut Writer + 'a,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^ help: try adding parentheses: `&'a mut (Writer + 'a)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `log`
[INFO] [stdout]  --> src/lib.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[phase(plugin, link)] extern crate log;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0178, E0463, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0178`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `stg`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name stg 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 --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "05fa172c0da96b41620cef4d576c4759881ce1b4b673f7cfd9a2bb9bd41323c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fa172c0da96b41620cef4d576c4759881ce1b4b673f7cfd9a2bb9bd41323c2", kill_on_drop: false }`
[INFO] [stdout] 05fa172c0da96b41620cef4d576c4759881ce1b4b673f7cfd9a2bb9bd41323c2