[INFO] fetching crate lib_annex 0.1.4...
[INFO] testing lib_annex-0.1.4 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate lib_annex 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lib_annex 0.1.4 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 779c7c3d1e118755fab681216678e6278b61f134e800a6347962bc066ca5fd86
[INFO] running `Command { std: "docker" "start" "-a" "779c7c3d1e118755fab681216678e6278b61f134e800a6347962bc066ca5fd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "779c7c3d1e118755fab681216678e6278b61f134e800a6347962bc066ca5fd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779c7c3d1e118755fab681216678e6278b61f134e800a6347962bc066ca5fd86", kill_on_drop: false }`
[INFO] [stdout] 779c7c3d1e118755fab681216678e6278b61f134e800a6347962bc066ca5fd86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19aaf0aee9ca692b2ea639fe9665230089d7c567ee9b9e210b326e70d1ed7760
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "19aaf0aee9ca692b2ea639fe9665230089d7c567ee9b9e210b326e70d1ed7760", 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]   |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Num) -> Num`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "19aaf0aee9ca692b2ea639fe9665230089d7c567ee9b9e210b326e70d1ed7760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19aaf0aee9ca692b2ea639fe9665230089d7c567ee9b9e210b326e70d1ed7760", kill_on_drop: false }`
[INFO] [stdout] 19aaf0aee9ca692b2ea639fe9665230089d7c567ee9b9e210b326e70d1ed7760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53018b2c2639c16006d1eadf731edb2e199b751204252a1cee8d27068ec09b73
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "53018b2c2639c16006d1eadf731edb2e199b751204252a1cee8d27068ec09b73", 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]   |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Num) -> Num`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lib_annex v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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]   |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Num) -> Num`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "53018b2c2639c16006d1eadf731edb2e199b751204252a1cee8d27068ec09b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53018b2c2639c16006d1eadf731edb2e199b751204252a1cee8d27068ec09b73", kill_on_drop: false }`
[INFO] [stdout] 53018b2c2639c16006d1eadf731edb2e199b751204252a1cee8d27068ec09b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ac08befbb94dc7ba1326bc5b19c2c2bafe302e128e45b02b3a0dccf4a4b26ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3ac08befbb94dc7ba1326bc5b19c2c2bafe302e128e45b02b3a0dccf4a4b26ad", 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]   |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Num) -> Num`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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]   |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Num) -> Num`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test activation::test::relu_deriv_test ... ok
[INFO] [stdout] test activation::test::tanh_test ... ok
[INFO] [stdout] test dense::dense_tests::feedforward_test ... ok
[INFO] [stdout] test activation::test::tanh_deriv_test ... ok
[INFO] [stdout] test neuron::neuron_test::backprop_test ... ok
[INFO] [stdout] test neuron::neuron_test::build_test ... ok
[INFO] [stdout] test neuron::neuron_test::feedforward_test ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test activation::test::relu_with_threshold_test ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lib_annex-320dfcb6abd6c7f8)
[INFO] [stdout] test dense::dense_tests::backprop_test ... ok
[INFO] [stdout] test activation::test::relu_test ... ok
[INFO] [stdout] test activation::test::sigmoid_deriv_test ... ok
[INFO] [stdout] test activation::test::sigmoid_test ... 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] [stderr]    Doc-tests lib_annex
[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" "3ac08befbb94dc7ba1326bc5b19c2c2bafe302e128e45b02b3a0dccf4a4b26ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac08befbb94dc7ba1326bc5b19c2c2bafe302e128e45b02b3a0dccf4a4b26ad", kill_on_drop: false }`
[INFO] [stdout] 3ac08befbb94dc7ba1326bc5b19c2c2bafe302e128e45b02b3a0dccf4a4b26ad