[INFO] cloning repository https://github.com/syed-ghufran-hassan/rust-enum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syed-ghufran-hassan/rust-enum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyed-ghufran-hassan%2Frust-enum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyed-ghufran-hassan%2Frust-enum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bdf07cd5894fc7d535b3efca5bc1af0de779e0a
[INFO] checking syed-ghufran-hassan/rust-enum against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyed-ghufran-hassan%2Frust-enum" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/syed-ghufran-hassan/rust-enum on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/syed-ghufran-hassan/rust-enum
[INFO] finished tweaking git repo https://github.com/syed-ghufran-hassan/rust-enum
[INFO] tweaked toml for git repo https://github.com/syed-ghufran-hassan/rust-enum written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/syed-ghufran-hassan/rust-enum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 409f5e22053916144c81280c6ffe429494e63a7c426b5722e4bc739de7a9bf3e
[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" "409f5e22053916144c81280c6ffe429494e63a7c426b5722e4bc739de7a9bf3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "409f5e22053916144c81280c6ffe429494e63a7c426b5722e4bc739de7a9bf3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409f5e22053916144c81280c6ffe429494e63a7c426b5722e4bc739de7a9bf3e", kill_on_drop: false }`
[INFO] [stdout] 409f5e22053916144c81280c6ffe429494e63a7c426b5722e4bc739de7a9bf3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTFLAGS=--cap-lints=forbid" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 412ce07855c61c955643f226bb53e0713d0befc3474ed437293dc089d7c59834
[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" "412ce07855c61c955643f226bb53e0713d0befc3474ed437293dc089d7c59834", kill_on_drop: false }`
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]     Checking rec3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `Write` found for reference `&Message` in the current scope
[INFO] [stdout]   --> src/main.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | self.Write(String::from("Hello"));
[INFO] [stdout]    |      ^^^^^ method not found in `&Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rec3`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `Write` found for reference `&Message` in the current scope
[INFO] [stdout]   --> src/main.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | self.Write(String::from("Hello"));
[INFO] [stdout]    |      ^^^^^ method not found in `&Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "412ce07855c61c955643f226bb53e0713d0befc3474ed437293dc089d7c59834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412ce07855c61c955643f226bb53e0713d0befc3474ed437293dc089d7c59834", kill_on_drop: false }`
[INFO] [stdout] 412ce07855c61c955643f226bb53e0713d0befc3474ed437293dc089d7c59834