[INFO] fetching crate cutlass 0.1.0...
[INFO] testing cutlass-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cutlass 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cutlass 0.1.0 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 crates.io crate cutlass 0.1.0
[INFO] finished tweaking crates.io crate cutlass 0.1.0
[INFO] tweaked toml for crates.io crate cutlass 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 7a1984872519ad5acf32b817f926334ed359a9d7e66e7e3ae29bd2939dee518f
[INFO] running `Command { std: "docker" "start" "-a" "7a1984872519ad5acf32b817f926334ed359a9d7e66e7e3ae29bd2939dee518f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a1984872519ad5acf32b817f926334ed359a9d7e66e7e3ae29bd2939dee518f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1984872519ad5acf32b817f926334ed359a9d7e66e7e3ae29bd2939dee518f", kill_on_drop: false }`
[INFO] [stdout] 7a1984872519ad5acf32b817f926334ed359a9d7e66e7e3ae29bd2939dee518f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 2326db9ccec7c5f8736ecbddd4d0fa7af23d79e2d3206759f2fa0e6fdfc5e6c7
[INFO] running `Command { std: "docker" "start" "-a" "2326db9ccec7c5f8736ecbddd4d0fa7af23d79e2d3206759f2fa0e6fdfc5e6c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cutlass v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "2326db9ccec7c5f8736ecbddd4d0fa7af23d79e2d3206759f2fa0e6fdfc5e6c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2326db9ccec7c5f8736ecbddd4d0fa7af23d79e2d3206759f2fa0e6fdfc5e6c7", kill_on_drop: false }`
[INFO] [stdout] 2326db9ccec7c5f8736ecbddd4d0fa7af23d79e2d3206759f2fa0e6fdfc5e6c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fd19467d9227d1752086ff9d2a7743b28339ae88fb59646171ab167f152450c
[INFO] running `Command { std: "docker" "start" "-a" "1fd19467d9227d1752086ff9d2a7743b28339ae88fb59646171ab167f152450c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cutlass v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] type _add_T0 = u32 ; type _add_T1 = impl Fn(u32) -> _add_T0 ; type _add_T2 =
[INFO] [stdout] impl Fn(u32) -> _add_T1 ; fn add(x : u32) -> _add_T2
[INFO] [stdout] { return move | y | move | z | { return x + y + z ; } ; }
[INFO] [stdout] type _product_T0 = u32 ; type _product_T1 = impl Fn(u32) -> _product_T0 ; pub
[INFO] [stdout] fn product(x : u32) -> _product_T1 { return move | y | { return x * y ; } ; }
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/smoke.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]  --> tests/smoke.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cutlass::curry]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]   = note: this error originates in the attribute macro `cutlass::curry` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> tests/smoke.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `_add_T0` should have an upper camel case name
[INFO] [stdout]  --> tests/smoke.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn add(x: u32, y: u32, z: u32) -> u32 {
[INFO] [stdout]   |    ^^^ help: convert the identifier to upper camel case: `AddT0`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `_add_T1` should have an upper camel case name
[INFO] [stdout]  --> tests/smoke.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn add(x: u32, y: u32, z: u32) -> u32 {
[INFO] [stdout]   |    ^^^ help: convert the identifier to upper camel case: `AddT1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `_add_T2` should have an upper camel case name
[INFO] [stdout]  --> tests/smoke.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn add(x: u32, y: u32, z: u32) -> u32 {
[INFO] [stdout]   |    ^^^ help: convert the identifier to upper camel case: `AddT2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] type _add_T0 = u32 ; type _add_T1 = impl Fn(u32) -> _add_T0 ; pub fn
[INFO] [stdout] add(x : u32) -> _add_T1 { return move | y | { x + y } ; }
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/with_map.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]  --> tests/with_map.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[curry]
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]   = note: this error originates in the attribute macro `curry` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> tests/with_map.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[curry]
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = note: this error originates in the attribute macro `curry` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> tests/with_map.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `_product_T0` should have an upper camel case name
[INFO] [stdout]  --> tests/with_map.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn product(x: u32, y: u32) -> u32 {
[INFO] [stdout]   |            ^^^^^^^ help: convert the identifier to upper camel case: `ProductT0`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `_product_T1` should have an upper camel case name
[INFO] [stdout]  --> tests/with_map.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn product(x: u32, y: u32) -> u32 {
[INFO] [stdout]   |            ^^^^^^^ help: convert the identifier to upper camel case: `ProductT1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `_add_T0` should have an upper camel case name
[INFO] [stdout]   --> tests/with_map.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn add(x: u32, y: u32) -> u32 {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case: `AddT0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `_add_T1` should have an upper camel case name
[INFO] [stdout]   --> tests/with_map.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn add(x: u32, y: u32) -> u32 {
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case: `AddT1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cutlass` due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1fd19467d9227d1752086ff9d2a7743b28339ae88fb59646171ab167f152450c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd19467d9227d1752086ff9d2a7743b28339ae88fb59646171ab167f152450c", kill_on_drop: false }`
[INFO] [stdout] 1fd19467d9227d1752086ff9d2a7743b28339ae88fb59646171ab167f152450c