[INFO] updating cached repository https://github.com/akky2501/Ruml
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cb84680a5dec0dde3d2fb0718267528f27fd9931
[INFO] checking akky2501/Ruml against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakky2501%2FRuml" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akky2501/Ruml on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/akky2501/Ruml
[INFO] finished tweaking git repo https://github.com/akky2501/Ruml
[INFO] tweaked toml for git repo https://github.com/akky2501/Ruml written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/akky2501/Ruml already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7bfdf10ba1f90e1f353d708f0be646a135f8a59e14700544deec641effd3143f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7bfdf10ba1f90e1f353d708f0be646a135f8a59e14700544deec641effd3143f"`
[INFO] [stderr]     Checking pom v1.0.1
[INFO] [stderr]     Checking Ruml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: casts cannot be followed by a method call
[INFO] [stderr]    --> src/typing.rs:426:29
[INFO] [stderr]     |
[INFO] [stderr] 426 |             *type_ = infer!(name : ty.generalize(env), cont);
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: try surrounding the expression in parentheses
[INFO] [stderr]     |
[INFO] [stderr] 426 |             *type_ = infer!((name : ty).generalize(env), cont);
[INFO] [stderr]     |                             ^         ^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/parse.rs:356:20
[INFO] [stderr]     |
[INFO] [stderr] 356 | fn let_decl() -> P<((Id, Ast))> {
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parse.rs:364:5
[INFO] [stderr]     |
[INFO] [stderr] 364 |     (head * ms1() * list(l, ms1()*seq("and")*ms1()))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/id.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | / lazy_static! {
[INFO] [stderr] 7 | |     static ref NEXT_COUNT: Mutex<usize> = Mutex::new(0);
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/id.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | / lazy_static! {
[INFO] [stderr] 7 | |     static ref NEXT_COUNT: Mutex<usize> = Mutex::new(0);
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/parse.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / lazy_static! {
[INFO] [stderr] 24 | |     static ref RESERVED: HashSet<Id> = {
[INFO] [stderr] 25 | |         let mut s = HashSet::new();
[INFO] [stderr] 26 | |         s.insert(Id::new("let".to_string()));
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |     };
[INFO] [stderr] 43 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/parse.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / lazy_static! {
[INFO] [stderr] 24 | |     static ref RESERVED: HashSet<Id> = {
[INFO] [stderr] 25 | |         let mut s = HashSet::new();
[INFO] [stderr] 26 | |         s.insert(Id::new("let".to_string()));
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |     };
[INFO] [stderr] 43 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/typing.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     static ref TYPE_VAR_NEXT_COUNT: Mutex<TypeId> = Mutex::new(0);
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/typing.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     static ref TYPE_VAR_NEXT_COUNT: Mutex<TypeId> = Mutex::new(0);
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: casts cannot be followed by a method call
[INFO] [stderr]    --> src/typing.rs:426:29
[INFO] [stderr]     |
[INFO] [stderr] 426 |             *type_ = infer!(name : ty.generalize(env), cont);
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: try surrounding the expression in parentheses
[INFO] [stderr]     |
[INFO] [stderr] 426 |             *type_ = infer!((name : ty).generalize(env), cont);
[INFO] [stderr]     |                             ^         ^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/parse.rs:356:20
[INFO] [stderr]     |
[INFO] [stderr] 356 | fn let_decl() -> P<((Id, Ast))> {
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parse.rs:364:5
[INFO] [stderr]     |
[INFO] [stderr] 364 |     (head * ms1() * list(l, ms1()*seq("and")*ms1()))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/id.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | / lazy_static! {
[INFO] [stderr] 7 | |     static ref NEXT_COUNT: Mutex<usize> = Mutex::new(0);
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/id.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | / lazy_static! {
[INFO] [stderr] 7 | |     static ref NEXT_COUNT: Mutex<usize> = Mutex::new(0);
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/parse.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / lazy_static! {
[INFO] [stderr] 24 | |     static ref RESERVED: HashSet<Id> = {
[INFO] [stderr] 25 | |         let mut s = HashSet::new();
[INFO] [stderr] 26 | |         s.insert(Id::new("let".to_string()));
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |     };
[INFO] [stderr] 43 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/parse.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / lazy_static! {
[INFO] [stderr] 24 | |     static ref RESERVED: HashSet<Id> = {
[INFO] [stderr] 25 | |         let mut s = HashSet::new();
[INFO] [stderr] 26 | |         s.insert(Id::new("let".to_string()));
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |     };
[INFO] [stderr] 43 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/typing.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     static ref TYPE_VAR_NEXT_COUNT: Mutex<TypeId> = Mutex::new(0);
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/typing.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     static ref TYPE_VAR_NEXT_COUNT: Mutex<TypeId> = Mutex::new(0);
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `Ruml`.
[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] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `Ruml`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7bfdf10ba1f90e1f353d708f0be646a135f8a59e14700544deec641effd3143f"`
[INFO] running `"docker" "rm" "-f" "7bfdf10ba1f90e1f353d708f0be646a135f8a59e14700544deec641effd3143f"`
[INFO] [stdout] 7bfdf10ba1f90e1f353d708f0be646a135f8a59e14700544deec641effd3143f
