[INFO] cloning repository https://github.com/jamesray1/write-to-file
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamesray1/write-to-file" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesray1%2Fwrite-to-file", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesray1%2Fwrite-to-file'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a69110a6188551e3e8a3501404a995c891cb471d
[INFO] documenting jamesray1/write-to-file against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesray1%2Fwrite-to-file" "/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/jamesray1/write-to-file on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jamesray1/write-to-file
[INFO] finished tweaking git repo https://github.com/jamesray1/write-to-file
[INFO] tweaked toml for git repo https://github.com/jamesray1/write-to-file written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jamesray1/write-to-file already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5160ed89e612f34bdb8076f65d50dd69f39e7efdd8f01a380fb37e2ad52ca63c
[INFO] running `Command { std: "docker" "start" "-a" "5160ed89e612f34bdb8076f65d50dd69f39e7efdd8f01a380fb37e2ad52ca63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5160ed89e612f34bdb8076f65d50dd69f39e7efdd8f01a380fb37e2ad52ca63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5160ed89e612f34bdb8076f65d50dd69f39e7efdd8f01a380fb37e2ad52ca63c", kill_on_drop: false }`
[INFO] [stdout] 5160ed89e612f34bdb8076f65d50dd69f39e7efdd8f01a380fb37e2ad52ca63c
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e339fa0fda56f73ca8008f2a6dd93468a67942983d0e3668fc89b8f0fdd1a3b
[INFO] running `Command { std: "docker" "start" "-a" "7e339fa0fda56f73ca8008f2a6dd93468a67942983d0e3668fc89b8f0fdd1a3b", kill_on_drop: false }`
[INFO] [stderr]  Documenting write-to-file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: destructuring assignments are unstable
[INFO] [stdout]   --> src/main.rs:83:36
[INFO] [stdout]    |
[INFO] [stdout] 83 |                     (default_path, _) = get_input();
[INFO] [stdout]    |                                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #71126 <https://github.com/rust-lang/rust/issues/71126> for more information
[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] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `write-to-file`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name write_to_file 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=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7e339fa0fda56f73ca8008f2a6dd93468a67942983d0e3668fc89b8f0fdd1a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e339fa0fda56f73ca8008f2a6dd93468a67942983d0e3668fc89b8f0fdd1a3b", kill_on_drop: false }`
[INFO] [stdout] 7e339fa0fda56f73ca8008f2a6dd93468a67942983d0e3668fc89b8f0fdd1a3b
