[INFO] fetching crate signals-kman 0.0.5...
[INFO] testing signals-kman-0.0.5 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate signals-kman 0.0.5 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate signals-kman 0.0.5 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dff0eba6e48f43d74260819735f3b60f8854d6cb61eb94c2e3a5c63af27f022d
[INFO] running `Command { std: "docker" "start" "dff0eba6e48f43d74260819735f3b60f8854d6cb61eb94c2e3a5c63af27f022d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dff0eba6e48f43d74260819735f3b60f8854d6cb61eb94c2e3a5c63af27f022d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dff0eba6e48f43d74260819735f3b60f8854d6cb61eb94c2e3a5c63af27f022d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dff0eba6e48f43d74260819735f3b60f8854d6cb61eb94c2e3a5c63af27f022d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dff0eba6e48f43d74260819735f3b60f8854d6cb61eb94c2e3a5c63af27f022d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", 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 beta 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] 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 nightly-only, unstable trait `std::marker::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/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/function.rs:79:4
[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 nightly-only, unstable trait `std::marker::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/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/function.rs:79:4
[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 nightly-only, unstable trait `std::marker::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/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/function.rs:79:4
[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 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dff0eba6e48f43d74260819735f3b60f8854d6cb61eb94c2e3a5c63af27f022d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff0eba6e48f43d74260819735f3b60f8854d6cb61eb94c2e3a5c63af27f022d", kill_on_drop: false }`
[INFO] [stdout] dff0eba6e48f43d74260819735f3b60f8854d6cb61eb94c2e3a5c63af27f022d
