[INFO] fetching crate neural_networks 0.0.2... [INFO] testing neural_networks-0.0.2 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940 [INFO] extracting crate neural_networks 0.0.2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate neural_networks 0.0.2 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-5-tc2/source/Cargo.toml [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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d266ca9b152a50146272c11d6f838bab9082c921f65ce04e1a72d10c8cfb41f [INFO] running `Command { std: "docker" "start" "-a" "2d266ca9b152a50146272c11d6f838bab9082c921f65ce04e1a72d10c8cfb41f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d266ca9b152a50146272c11d6f838bab9082c921f65ce04e1a72d10c8cfb41f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d266ca9b152a50146272c11d6f838bab9082c921f65ce04e1a72d10c8cfb41f", kill_on_drop: false }` [INFO] [stdout] 2d266ca9b152a50146272c11d6f838bab9082c921f65ce04e1a72d10c8cfb41f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa2b58d7dad9e7d911eee612a74fcea3f5fa3ea8727ff49f42558ab26b4a5c76 [INFO] running `Command { std: "docker" "start" "-a" "aa2b58d7dad9e7d911eee612a74fcea3f5fa3ea8727ff49f42558ab26b4a5c76", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [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 [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 3.14s [INFO] running `Command { std: "docker" "inspect" "aa2b58d7dad9e7d911eee612a74fcea3f5fa3ea8727ff49f42558ab26b4a5c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa2b58d7dad9e7d911eee612a74fcea3f5fa3ea8727ff49f42558ab26b4a5c76", kill_on_drop: false }` [INFO] [stdout] aa2b58d7dad9e7d911eee612a74fcea3f5fa3ea8727ff49f42558ab26b4a5c76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 846a5aeb7d72d55953a428851e320780062843d5990082cfea5997c007499550 [INFO] running `Command { std: "docker" "start" "-a" "846a5aeb7d72d55953a428851e320780062843d5990082cfea5997c007499550", 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 [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] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta8usI5x" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `neural_networks` (bin "neural_networks" test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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 [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] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcGGZQyk/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{librand-afc6fab12d29e075.rlib,librand_chacha-fb2e19cc2cffceda.rlib,libppv_lite86-8dae110e85681398.rlib,librand_core-37b601ef2597f93c.rlib,libgetrandom-ca12e034e9c2a41c.rlib,liblibc-998d7dffbd4d5eca.rlib,libcfg_if-33ef6c02a07f9fec.rlib}.rlib" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lc" "-lm" "-lrt" "-lpthread" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcGGZQyk/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/neural_networks-59a526dc4fa8aeec" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `neural_networks` (lib test) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "846a5aeb7d72d55953a428851e320780062843d5990082cfea5997c007499550", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "846a5aeb7d72d55953a428851e320780062843d5990082cfea5997c007499550", kill_on_drop: false }` [INFO] [stdout] 846a5aeb7d72d55953a428851e320780062843d5990082cfea5997c007499550