[INFO] fetching crate lib_annex 0.1.4...
[INFO] testing lib_annex-0.1.4 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate lib_annex 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate lib_annex 0.1.4
[INFO] finished tweaking crates.io crate lib_annex 0.1.4
[INFO] tweaked toml for crates.io crate lib_annex 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lib_annex 0.1.4 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 780a62775952583eae62e54d94f1ba1d7099e6d4d924a075980bef8ca08043fb
[INFO] running `Command { std: "docker" "start" "-a" "780a62775952583eae62e54d94f1ba1d7099e6d4d924a075980bef8ca08043fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "780a62775952583eae62e54d94f1ba1d7099e6d4d924a075980bef8ca08043fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780a62775952583eae62e54d94f1ba1d7099e6d4d924a075980bef8ca08043fb", kill_on_drop: false }`
[INFO] [stdout] 780a62775952583eae62e54d94f1ba1d7099e6d4d924a075980bef8ca08043fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2fbf329574ebb6fc2e1842f2c500c1a7b8b490b93a7d83f82a36c987642f687
[INFO] running `Command { std: "docker" "start" "-a" "f2fbf329574ebb6fc2e1842f2c500c1a7b8b490b93a7d83f82a36c987642f687", kill_on_drop: false }`
[INFO] [stderr]    Compiling lib_annex v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/activation.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type ActivatorFn = Fn(Num) -> Num;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type ActivatorFn = dyn Fn(Num) -> Num;
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `output` is never read
[INFO] [stdout]  --> src/neuron.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Neuron {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     output: Num,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Neuron` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "f2fbf329574ebb6fc2e1842f2c500c1a7b8b490b93a7d83f82a36c987642f687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2fbf329574ebb6fc2e1842f2c500c1a7b8b490b93a7d83f82a36c987642f687", kill_on_drop: false }`
[INFO] [stdout] f2fbf329574ebb6fc2e1842f2c500c1a7b8b490b93a7d83f82a36c987642f687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 332b15fd63b671e2804dda0b62675c5bb7e74c59b59ba2ca7c26a257746b60fc
[INFO] running `Command { std: "docker" "start" "-a" "332b15fd63b671e2804dda0b62675c5bb7e74c59b59ba2ca7c26a257746b60fc", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/activation.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type ActivatorFn = Fn(Num) -> Num;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type ActivatorFn = dyn Fn(Num) -> Num;
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `output` is never read
[INFO] [stdout]  --> src/neuron.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Neuron {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     output: Num,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Neuron` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lib_annex v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/activation.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type ActivatorFn = Fn(Num) -> Num;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type ActivatorFn = dyn Fn(Num) -> Num;
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `output` is never read
[INFO] [stdout]  --> src/neuron.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Neuron {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     output: Num,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Neuron` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "332b15fd63b671e2804dda0b62675c5bb7e74c59b59ba2ca7c26a257746b60fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332b15fd63b671e2804dda0b62675c5bb7e74c59b59ba2ca7c26a257746b60fc", kill_on_drop: false }`
[INFO] [stdout] 332b15fd63b671e2804dda0b62675c5bb7e74c59b59ba2ca7c26a257746b60fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70c72233ef513770c12d322dff4f99b40f3ce1b49239603b02c5e8bf2f25bdd6
[INFO] running `Command { std: "docker" "start" "-a" "70c72233ef513770c12d322dff4f99b40f3ce1b49239603b02c5e8bf2f25bdd6", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/activation.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub type ActivatorFn = Fn(Num) -> Num;
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub type ActivatorFn = dyn Fn(Num) -> Num;
[INFO] [stderr]   |                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: field `output` is never read
[INFO] [stderr]  --> src/neuron.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Neuron {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 9 |     output: Num,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Neuron` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lib_annex` (lib) generated 2 warnings (run `cargo fix --lib -p lib_annex` to apply 1 suggestion)
[INFO] [stderr] warning: `lib_annex` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lib_annex-4e4f390516e6376f)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test activation::test::relu_test ... ok
[INFO] [stdout] test activation::test::relu_deriv_test ... ok
[INFO] [stdout] test activation::test::sigmoid_deriv_test ... ok
[INFO] [stdout] test activation::test::tanh_deriv_test ... ok
[INFO] [stdout] test activation::test::tanh_test ... ok
[INFO] [stdout] test dense::dense_tests::backprop_test ... ok
[INFO] [stdout] test dense::dense_tests::feedforward_test ... ok
[INFO] [stdout] test neuron::neuron_test::backprop_test ... ok
[INFO] [stdout] test activation::test::sigmoid_test ... ok
[INFO] [stdout] test activation::test::relu_with_threshold_test ... ok
[INFO] [stdout] test neuron::neuron_test::feedforward_test ... ok
[INFO] [stdout] test neuron::neuron_test::build_test ... ok
[INFO] [stderr]    Doc-tests lib_annex
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70c72233ef513770c12d322dff4f99b40f3ce1b49239603b02c5e8bf2f25bdd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c72233ef513770c12d322dff4f99b40f3ce1b49239603b02c5e8bf2f25bdd6", kill_on_drop: false }`
[INFO] [stdout] 70c72233ef513770c12d322dff4f99b40f3ce1b49239603b02c5e8bf2f25bdd6
