[INFO] cloning repository https://github.com/benjcollins/compiler2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjcollins/compiler2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fcompiler2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fcompiler2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8dad9c335ab40f3baeffc1e2b64152741f0b7f45
[INFO] documenting benjcollins/compiler2 against da3f5c31e5535b3dc210067de660a45784ae1e9c for pr-162169
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fcompiler2" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/benjcollins/compiler2
[INFO] finished tweaking git repo https://github.com/benjcollins/compiler2
[INFO] tweaked toml for git repo https://github.com/benjcollins/compiler2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benjcollins/compiler2 on toolchain da3f5c31e5535b3dc210067de660a45784ae1e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benjcollins/compiler2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 08eadf0c7292ae47adebc52805be48132de11d36e688c9619bf30163f01408d2
[INFO] running `Command { std: "docker" "start" "08eadf0c7292ae47adebc52805be48132de11d36e688c9619bf30163f01408d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08eadf0c7292ae47adebc52805be48132de11d36e688c9619bf30163f01408d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "08eadf0c7292ae47adebc52805be48132de11d36e688c9619bf30163f01408d2" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08eadf0c7292ae47adebc52805be48132de11d36e688c9619bf30163f01408d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "08eadf0c7292ae47adebc52805be48132de11d36e688c9619bf30163f01408d2" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]  Documenting compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found `scope`
[INFO] [stdout]   --> src/types.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 |                         unify_types(ty, b)
[INFO] [stdout]    |                                           ^ help: add `;` here
[INFO] [stdout] 27 |                         scope.insert(ident, Rc::new(RefCell::new(ty)));
[INFO] [stdout]    |                         ----- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/types.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |     TupleIter(Iter<Expr<'a>>),
[INFO] [stdout]    |                   ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'a` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 58 |     TupleIter(Iter<'a, Expr<'a>>),
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `compiler`
[INFO] running `Command { std: "docker" "inspect" "08eadf0c7292ae47adebc52805be48132de11d36e688c9619bf30163f01408d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08eadf0c7292ae47adebc52805be48132de11d36e688c9619bf30163f01408d2", kill_on_drop: false }`
[INFO] [stdout] 08eadf0c7292ae47adebc52805be48132de11d36e688c9619bf30163f01408d2
