[INFO] cloning repository https://github.com/Jackkakaya/data_struct_using_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jackkakaya/data_struct_using_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackkakaya%2Fdata_struct_using_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackkakaya%2Fdata_struct_using_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f739220ec9553e98f4dfa938b47d3565965284d
[INFO] testing Jackkakaya/data_struct_using_rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackkakaya%2Fdata_struct_using_rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jackkakaya/data_struct_using_rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jackkakaya/data_struct_using_rust
[INFO] finished tweaking git repo https://github.com/Jackkakaya/data_struct_using_rust
[INFO] tweaked toml for git repo https://github.com/Jackkakaya/data_struct_using_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Jackkakaya/data_struct_using_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] af5ec84d34d54fca58f337af6d371a21abbda8c5c083419290ec4a6001b762c6
[INFO] running `Command { std: "docker" "start" "-a" "af5ec84d34d54fca58f337af6d371a21abbda8c5c083419290ec4a6001b762c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af5ec84d34d54fca58f337af6d371a21abbda8c5c083419290ec4a6001b762c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af5ec84d34d54fca58f337af6d371a21abbda8c5c083419290ec4a6001b762c6", kill_on_drop: false }`
[INFO] [stdout] af5ec84d34d54fca58f337af6d371a21abbda8c5c083419290ec4a6001b762c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] a4aa406586483310443a600d2efffe5f1c3f6ab933dceb7d4878442a104f1117
[INFO] running `Command { std: "docker" "start" "-a" "a4aa406586483310443a600d2efffe5f1c3f6ab933dceb7d4878442a104f1117", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `->`, `;`, `where`, or `{`, found `}`
[INFO] [stdout]   --> src/data_struct/binary_tree.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn from()
[INFO] [stdout]    |            ----  - expected one of `->`, `;`, `where`, or `{`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            while parsing this `fn`
[INFO] [stdout] ...
[INFO] [stdout] 52 | }
[INFO] [stdout]    | ^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: associated function in `impl` without body
[INFO] [stdout]   --> src/data_struct/binary_tree.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn from()
[INFO] [stdout]    |     ^^^^^^^^^^^^-
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: provide a definition for the function: `{ <body> }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `data_struct` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a4aa406586483310443a600d2efffe5f1c3f6ab933dceb7d4878442a104f1117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4aa406586483310443a600d2efffe5f1c3f6ab933dceb7d4878442a104f1117", kill_on_drop: false }`
[INFO] [stdout] a4aa406586483310443a600d2efffe5f1c3f6ab933dceb7d4878442a104f1117