[INFO] fetching crate neural_networks 0.0.2...
[INFO] testing neural_networks-0.0.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate neural_networks 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate neural_networks 0.0.2
[INFO] finished tweaking crates.io crate neural_networks 0.0.2
[INFO] tweaked toml for crates.io crate neural_networks 0.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neural_networks 0.0.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate neural_networks 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e89f493c273665eeeb860d7940a0a695c42adcf848042497dae1e5753d8ede7
[INFO] running `Command { std: "docker" "start" "-a" "0e89f493c273665eeeb860d7940a0a695c42adcf848042497dae1e5753d8ede7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e89f493c273665eeeb860d7940a0a695c42adcf848042497dae1e5753d8ede7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e89f493c273665eeeb860d7940a0a695c42adcf848042497dae1e5753d8ede7", kill_on_drop: false }`
[INFO] [stdout] 0e89f493c273665eeeb860d7940a0a695c42adcf848042497dae1e5753d8ede7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af6c52bec2dde8e49495a67907615482c311df5b48b7ed97889b71a9e02c7631
[INFO] running `Command { std: "docker" "start" "-a" "af6c52bec2dde8e49495a67907615482c311df5b48b7ed97889b71a9e02c7631", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling neural_networks v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/neural_networks.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 |         if self.activation_function == sigmoid {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 178 -         if self.activation_function == sigmoid {
[INFO] [stdout] 178 +         if std::ptr::fn_addr_eq(self.activation_function, sigmoid as fn(f32) -> f32) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "af6c52bec2dde8e49495a67907615482c311df5b48b7ed97889b71a9e02c7631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af6c52bec2dde8e49495a67907615482c311df5b48b7ed97889b71a9e02c7631", kill_on_drop: false }`
[INFO] [stdout] af6c52bec2dde8e49495a67907615482c311df5b48b7ed97889b71a9e02c7631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73196219df35de59cc698f2cb78ea6120d359b5c34145768ee56189e9fa1c000
[INFO] running `Command { std: "docker" "start" "-a" "73196219df35de59cc698f2cb78ea6120d359b5c34145768ee56189e9fa1c000", kill_on_drop: false }`
[INFO] [stderr]    Compiling neural_networks v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/neural_networks.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 |         if self.activation_function == sigmoid {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 178 -         if self.activation_function == sigmoid {
[INFO] [stdout] 178 +         if std::ptr::fn_addr_eq(self.activation_function, sigmoid as fn(f32) -> f32) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/neural_networks.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 |         if self.activation_function == sigmoid {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]     |
[INFO] [stdout] 178 -         if self.activation_function == sigmoid {
[INFO] [stdout] 178 +         if std::ptr::fn_addr_eq(self.activation_function, sigmoid as fn(f32) -> f32) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "73196219df35de59cc698f2cb78ea6120d359b5c34145768ee56189e9fa1c000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73196219df35de59cc698f2cb78ea6120d359b5c34145768ee56189e9fa1c000", kill_on_drop: false }`
[INFO] [stdout] 73196219df35de59cc698f2cb78ea6120d359b5c34145768ee56189e9fa1c000
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3d8fcf7c8b92845558c75cd62b5e566ffa956a482a5a4b38a49d64689631b61
[INFO] running `Command { std: "docker" "start" "-a" "d3d8fcf7c8b92845558c75cd62b5e566ffa956a482a5a4b38a49d64689631b61", kill_on_drop: false }`
[INFO] [stderr] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stderr]    --> src/neural_networks.rs:178:12
[INFO] [stderr]     |
[INFO] [stderr] 178 |         if self.activation_function == sigmoid {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the address of the same function can vary between different codegen units
[INFO] [stderr]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stderr]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stderr]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stderr] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stderr]     |
[INFO] [stderr] 178 -         if self.activation_function == sigmoid {
[INFO] [stderr] 178 +         if std::ptr::fn_addr_eq(self.activation_function, sigmoid as fn(f32) -> f32) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `neural_networks` (lib) generated 1 warning
[INFO] [stderr] warning: `neural_networks` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neural_networks-18f23dcc3e273966)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/neural_networks-ab97d0367a4a8bc8)
[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] [stderr]    Doc-tests neural_networks
[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" "d3d8fcf7c8b92845558c75cd62b5e566ffa956a482a5a4b38a49d64689631b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d8fcf7c8b92845558c75cd62b5e566ffa956a482a5a4b38a49d64689631b61", kill_on_drop: false }`
[INFO] [stdout] d3d8fcf7c8b92845558c75cd62b5e566ffa956a482a5a4b38a49d64689631b61