[INFO] cloning repository https://github.com/akky2501/Ruml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akky2501/Ruml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakky2501%2FRuml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakky2501%2FRuml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb84680a5dec0dde3d2fb0718267528f27fd9931
[INFO] checking akky2501/Ruml against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakky2501%2FRuml" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akky2501/Ruml on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-24/source/Cargo.toml
[INFO] crate git repo https://github.com/akky2501/Ruml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pom v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbd817637c846684e6eb073d12d16d69526ba2e6ddb196ce3212555c0af0a52a
[INFO] running `Command { std: "docker" "start" "-a" "dbd817637c846684e6eb073d12d16d69526ba2e6ddb196ce3212555c0af0a52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd817637c846684e6eb073d12d16d69526ba2e6ddb196ce3212555c0af0a52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd817637c846684e6eb073d12d16d69526ba2e6ddb196ce3212555c0af0a52a", kill_on_drop: false }`
[INFO] [stdout] dbd817637c846684e6eb073d12d16d69526ba2e6ddb196ce3212555c0af0a52a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2de1372cd78288364ee78ff4311667be0e05fe31caa373f32ffc0478e7c0be41
[INFO] running `Command { std: "docker" "start" "-a" "2de1372cd78288364ee78ff4311667be0e05fe31caa373f32ffc0478e7c0be41", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking pom v1.0.1
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking Ruml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: casts cannot be followed by a method call
[INFO] [stdout]    --> src/typing.rs:426:29
[INFO] [stdout]     |
[INFO] [stdout] 426 |             *type_ = infer!(name : ty.generalize(env), cont);
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try surrounding the expression in parentheses
[INFO] [stdout]     |
[INFO] [stdout] 426 |             *type_ = infer!((name : ty).generalize(env), cont);
[INFO] [stdout]     |                             +         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casts cannot be followed by a method call
[INFO] [stdout]    --> src/typing.rs:426:29
[INFO] [stdout]     |
[INFO] [stdout] 426 |             *type_ = infer!(name : ty.generalize(env), cont);
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try surrounding the expression in parentheses
[INFO] [stdout]     |
[INFO] [stdout] 426 |             *type_ = infer!((name : ty).generalize(env), cont);
[INFO] [stdout]     |                             +         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parse.rs:356:20
[INFO] [stdout]     |
[INFO] [stdout] 356 | fn let_decl() -> P<((Id, Ast))> {
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/parse.rs:364:5
[INFO] [stdout]     |
[INFO] [stdout] 364 |     (head * ms1() * list(l, ms1()*seq("and")*ms1()))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parse.rs:356:20
[INFO] [stdout]     |
[INFO] [stdout] 356 | fn let_decl() -> P<((Id, Ast))> {
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/parse.rs:364:5
[INFO] [stdout]     |
[INFO] [stdout] 364 |     (head * ms1() * list(l, ms1()*seq("and")*ms1()))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/id.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | / lazy_static! {
[INFO] [stdout] 7 | |     static ref NEXT_COUNT: Mutex<usize> = Mutex::new(0);
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/id.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | / lazy_static! {
[INFO] [stdout] 7 | |     static ref NEXT_COUNT: Mutex<usize> = Mutex::new(0);
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/id.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | / lazy_static! {
[INFO] [stdout] 7 | |     static ref NEXT_COUNT: Mutex<usize> = Mutex::new(0);
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/id.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | / lazy_static! {
[INFO] [stdout] 7 | |     static ref NEXT_COUNT: Mutex<usize> = Mutex::new(0);
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     static ref RESERVED: HashSet<Id> = {
[INFO] [stdout] 25 | |         let mut s = HashSet::new();
[INFO] [stdout] 26 | |         s.insert(Id::new("let".to_string()));
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |     };
[INFO] [stdout] 43 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     static ref RESERVED: HashSet<Id> = {
[INFO] [stdout] 25 | |         let mut s = HashSet::new();
[INFO] [stdout] 26 | |         s.insert(Id::new("let".to_string()));
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |     };
[INFO] [stdout] 43 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/typing.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref TYPE_VAR_NEXT_COUNT: Mutex<TypeId> = Mutex::new(0);
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/typing.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref TYPE_VAR_NEXT_COUNT: Mutex<TypeId> = Mutex::new(0);
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     static ref RESERVED: HashSet<Id> = {
[INFO] [stdout] 25 | |         let mut s = HashSet::new();
[INFO] [stdout] 26 | |         s.insert(Id::new("let".to_string()));
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |     };
[INFO] [stdout] 43 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     static ref RESERVED: HashSet<Id> = {
[INFO] [stdout] 25 | |         let mut s = HashSet::new();
[INFO] [stdout] 26 | |         s.insert(Id::new("let".to_string()));
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |     };
[INFO] [stdout] 43 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/typing.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref TYPE_VAR_NEXT_COUNT: Mutex<TypeId> = Mutex::new(0);
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/typing.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref TYPE_VAR_NEXT_COUNT: Mutex<TypeId> = Mutex::new(0);
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Ruml` due to 2 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2de1372cd78288364ee78ff4311667be0e05fe31caa373f32ffc0478e7c0be41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de1372cd78288364ee78ff4311667be0e05fe31caa373f32ffc0478e7c0be41", kill_on_drop: false }`
[INFO] [stdout] 2de1372cd78288364ee78ff4311667be0e05fe31caa373f32ffc0478e7c0be41