[INFO] cloning repository https://github.com/akky2501/mincaml-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akky2501/mincaml-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakky2501%2Fmincaml-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakky2501%2Fmincaml-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8295cf3166d850c830ed45b1330d7f8230eb119
[INFO] checking akky2501/mincaml-rust against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakky2501%2Fmincaml-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akky2501/mincaml-rust on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akky2501/mincaml-rust
[INFO] finished tweaking git repo https://github.com/akky2501/mincaml-rust
[INFO] tweaked toml for git repo https://github.com/akky2501/mincaml-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/akky2501/mincaml-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 657000ce63625c945194daa5a4cab91cf477fd8255c635dc6d436ebdc5c2ac5a
[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" "657000ce63625c945194daa5a4cab91cf477fd8255c635dc6d436ebdc5c2ac5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "657000ce63625c945194daa5a4cab91cf477fd8255c635dc6d436ebdc5c2ac5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657000ce63625c945194daa5a4cab91cf477fd8255c635dc6d436ebdc5c2ac5a", kill_on_drop: false }`
[INFO] [stdout] 657000ce63625c945194daa5a4cab91cf477fd8255c635dc6d436ebdc5c2ac5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35fd76f8a766c9ebeae8d6a301be6dfbd62082c04622d010e21676b022c291f6
[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" "35fd76f8a766c9ebeae8d6a301be6dfbd62082c04622d010e21676b022c291f6", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v0.2.5
[INFO] [stderr]     Checking mincaml-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: casts cannot be followed by a method call
[INFO] [stdout]    --> src/typing.rs:324:23
[INFO] [stdout]     |
[INFO] [stdout] 324 |             Ok(infer!(id : ty.generalize(env), t2))
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try surrounding the expression in parentheses
[INFO] [stdout]     |
[INFO] [stdout] 324 |             Ok(infer!((id : ty).generalize(env), t2))
[INFO] [stdout]     |                       ^       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casts cannot be followed by a method call
[INFO] [stdout]    --> src/typing.rs:358:23
[INFO] [stdout]     |
[INFO] [stdout] 358 |             Ok(infer!(name : fun_type.generalize(env), t))
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try surrounding the expression in parentheses
[INFO] [stdout]     |
[INFO] [stdout] 358 |             Ok(infer!((name : fun_type).generalize(env), t))
[INFO] [stdout]     |                       ^               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casts cannot be followed by a method call
[INFO] [stdout]    --> src/typing.rs:324:23
[INFO] [stdout]     |
[INFO] [stdout] 324 |             Ok(infer!(id : ty.generalize(env), t2))
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try surrounding the expression in parentheses
[INFO] [stdout]     |
[INFO] [stdout] 324 |             Ok(infer!((id : ty).generalize(env), t2))
[INFO] [stdout]     |                       ^       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casts cannot be followed by a method call
[INFO] [stdout]    --> src/typing.rs:358:23
[INFO] [stdout]     |
[INFO] [stdout] 358 |             Ok(infer!(name : fun_type.generalize(env), t))
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try surrounding the expression in parentheses
[INFO] [stdout]     |
[INFO] [stdout] 358 |             Ok(infer!((name : fun_type).generalize(env), t))
[INFO] [stdout]     |                       ^               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mincaml-rust`
[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: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "35fd76f8a766c9ebeae8d6a301be6dfbd62082c04622d010e21676b022c291f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fd76f8a766c9ebeae8d6a301be6dfbd62082c04622d010e21676b022c291f6", kill_on_drop: false }`
[INFO] [stdout] 35fd76f8a766c9ebeae8d6a301be6dfbd62082c04622d010e21676b022c291f6