[INFO] cloning repository https://github.com/qharo/micrograd.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qharo/micrograd.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqharo%2Fmicrograd.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqharo%2Fmicrograd.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5b0c0c4a1672099e0c2cf5983f292e36191b9971 [INFO] building qharo/micrograd.rs against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqharo%2Fmicrograd.rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qharo/micrograd.rs on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/qharo/micrograd.rs [INFO] finished tweaking git repo https://github.com/qharo/micrograd.rs [INFO] tweaked toml for git repo https://github.com/qharo/micrograd.rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/qharo/micrograd.rs 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7942ef53c74c0c2224657a2fe362050e1950049f50e1cdcef84ed2cdab5d34f [INFO] running `Command { std: "docker" "start" "-a" "b7942ef53c74c0c2224657a2fe362050e1950049f50e1cdcef84ed2cdab5d34f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7942ef53c74c0c2224657a2fe362050e1950049f50e1cdcef84ed2cdab5d34f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7942ef53c74c0c2224657a2fe362050e1950049f50e1cdcef84ed2cdab5d34f", kill_on_drop: false }` [INFO] [stdout] b7942ef53c74c0c2224657a2fe362050e1950049f50e1cdcef84ed2cdab5d34f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb0ea06e92036d19317645d52277e29e3613d3870d0bb0ffc62a710095fb403e [INFO] running `Command { std: "docker" "start" "-a" "bb0ea06e92036d19317645d52277e29e3613d3870d0bb0ffc62a710095fb403e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.89 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.164 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.87 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling ember v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Layer` and `Neuron` [INFO] [stdout] --> src/main.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::grad::{Neuron, Layer, MLP, Node}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/grad.rs:209:13 [INFO] [stdout] | [INFO] [stdout] 209 | for i in 1..=n_out { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `n_in` is never read [INFO] [stdout] --> src/grad.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 201 | pub struct Layer{ [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 202 | n_in: i64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Layer` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `n_in` and `n_outs` are never read [INFO] [stdout] --> src/grad.rs:245:5 [INFO] [stdout] | [INFO] [stdout] 244 | pub struct MLP{ [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 245 | n_in: i64, [INFO] [stdout] | ^^^^ [INFO] [stdout] 246 | n_outs: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MLP` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.47s [INFO] running `Command { std: "docker" "inspect" "bb0ea06e92036d19317645d52277e29e3613d3870d0bb0ffc62a710095fb403e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb0ea06e92036d19317645d52277e29e3613d3870d0bb0ffc62a710095fb403e", kill_on_drop: false }` [INFO] [stdout] bb0ea06e92036d19317645d52277e29e3613d3870d0bb0ffc62a710095fb403e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3354afe215b41066437e7a8f45c27cba992674c2c2769acddb44dba0264f6171 [INFO] running `Command { std: "docker" "start" "-a" "3354afe215b41066437e7a8f45c27cba992674c2c2769acddb44dba0264f6171", kill_on_drop: false }` [INFO] [stderr] Compiling ember v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Layer` and `Neuron` [INFO] [stdout] --> src/main.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::grad::{Neuron, Layer, MLP, Node}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/grad.rs:209:13 [INFO] [stdout] | [INFO] [stdout] 209 | for i in 1..=n_out { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `n_in` is never read [INFO] [stdout] --> src/grad.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 201 | pub struct Layer{ [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 202 | n_in: i64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Layer` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `n_in` and `n_outs` are never read [INFO] [stdout] --> src/grad.rs:245:5 [INFO] [stdout] | [INFO] [stdout] 244 | pub struct MLP{ [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 245 | n_in: i64, [INFO] [stdout] | ^^^^ [INFO] [stdout] 246 | n_outs: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MLP` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustc7ZX7Qk/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-b7f39abbfef2ae31.rlib,librand_chacha-14515f04d8002622.rlib,libppv_lite86-348f9f7fe0f39aad.rlib,libzerocopy-190d74ae180a351d.rlib,libbyteorder-d62393ca4a3b6260.rlib,librand_core-dda7197c4b737f4f.rlib,libgetrandom-e21fceccf585d32c.rlib,liblibc-f16a40f98c89fc28.rlib,libcfg_if-02ffc4ff30a29427.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/rustc7ZX7Qk/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/ember-0c4615e16d808922" "-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: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace. [INFO] [stdout] 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 `ember` (bin "ember" test) due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3354afe215b41066437e7a8f45c27cba992674c2c2769acddb44dba0264f6171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3354afe215b41066437e7a8f45c27cba992674c2c2769acddb44dba0264f6171", kill_on_drop: false }` [INFO] [stdout] 3354afe215b41066437e7a8f45c27cba992674c2c2769acddb44dba0264f6171