[INFO] fetching crate signals-kman 0.0.5...
[INFO] testing signals-kman-0.0.5 against 1.90.0 for beta-1.91-3
[INFO] extracting crate signals-kman 0.0.5 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate signals-kman 0.0.5
[INFO] finished tweaking crates.io crate signals-kman 0.0.5
[INFO] tweaked toml for crates.io crate signals-kman 0.0.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate signals-kman 0.0.5 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fd620fceb5dfc928d37ac6010523c1b20ab2ba0bffa4ef0c552f946d96cefe4
[INFO] running `Command { std: "docker" "start" "-a" "1fd620fceb5dfc928d37ac6010523c1b20ab2ba0bffa4ef0c552f946d96cefe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fd620fceb5dfc928d37ac6010523c1b20ab2ba0bffa4ef0c552f946d96cefe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd620fceb5dfc928d37ac6010523c1b20ab2ba0bffa4ef0c552f946d96cefe4", kill_on_drop: false }`
[INFO] [stdout] 1fd620fceb5dfc928d37ac6010523c1b20ab2ba0bffa4ef0c552f946d96cefe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cec1ea1ddd243b1baa84cc6ec4bd7e2974b169d2f842a27c6ca198a1fc2e430e
[INFO] running `Command { std: "docker" "start" "-a" "cec1ea1ddd243b1baa84cc6ec4bd7e2974b169d2f842a27c6ca198a1fc2e430e", kill_on_drop: false }`
[INFO] [stderr]    Compiling signals-kman v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fn_traits, unboxed_closures, strict_provenance)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fn_traits, unboxed_closures, strict_provenance)]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `A` is not a tuple
[INFO] [stdout]   --> src/signal.rs:32:43
[INFO] [stdout]    |
[INFO] [stdout] 32 |             out.push(self.methods[i].call(arg.clone()));
[INFO] [stdout]    |                                      ---- ^^^^^^^^^^^ the trait `Tuple` is not implemented for `A`
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:80:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `A` is not a tuple
[INFO] [stdout]   --> src/signal.rs:49:59
[INFO] [stdout]    |
[INFO] [stdout] 49 |             out.push(std::thread::spawn(move || func.call(arg)));
[INFO] [stdout]    |                                                      ---- ^^^ the trait `Tuple` is not implemented for `A`
[INFO] [stdout]    |                                                      |
[INFO] [stdout]    |                                                      required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:80:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `A` is not a tuple
[INFO] [stdout]   --> src/signal.rs:60:32
[INFO] [stdout]    |
[INFO] [stdout] 60 |             return method.call(arg);
[INFO] [stdout]    |                           ---- ^^^ the trait `Tuple` is not implemented for `A`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:80:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `signals-kman` (lib) due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cec1ea1ddd243b1baa84cc6ec4bd7e2974b169d2f842a27c6ca198a1fc2e430e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec1ea1ddd243b1baa84cc6ec4bd7e2974b169d2f842a27c6ca198a1fc2e430e", kill_on_drop: false }`
[INFO] [stdout] cec1ea1ddd243b1baa84cc6ec4bd7e2974b169d2f842a27c6ca198a1fc2e430e
