[INFO] cloning repository https://github.com/issacnitin/cellular-automata-state-space-search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/issacnitin/cellular-automata-state-space-search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fissacnitin%2Fcellular-automata-state-space-search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fissacnitin%2Fcellular-automata-state-space-search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64bb7a5f51a174a372a94b3bc0e5862692f120f1
[INFO] building issacnitin/cellular-automata-state-space-search against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fissacnitin%2Fcellular-automata-state-space-search" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/issacnitin/cellular-automata-state-space-search 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/issacnitin/cellular-automata-state-space-search
[INFO] finished tweaking git repo https://github.com/issacnitin/cellular-automata-state-space-search
[INFO] tweaked toml for git repo https://github.com/issacnitin/cellular-automata-state-space-search written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/issacnitin/cellular-automata-state-space-search 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c5373dbfa94e4e80cddd2c975f62b6999c535160f343933a0556bbb78675603d
[INFO] running `Command { std: "docker" "start" "-a" "c5373dbfa94e4e80cddd2c975f62b6999c535160f343933a0556bbb78675603d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5373dbfa94e4e80cddd2c975f62b6999c535160f343933a0556bbb78675603d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5373dbfa94e4e80cddd2c975f62b6999c535160f343933a0556bbb78675603d", kill_on_drop: false }`
[INFO] [stdout] c5373dbfa94e4e80cddd2c975f62b6999c535160f343933a0556bbb78675603d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 001b44bc1d86da35a7ea7387ed1ec3f45521f38031f9360ff605ccd0c339284b
[INFO] running `Command { std: "docker" "start" "-a" "001b44bc1d86da35a7ea7387ed1ec3f45521f38031f9360ff605ccd0c339284b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cellular_automata_state_search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/space.rs:140:84
[INFO] [stdout]     |
[INFO] [stdout] 140 |             self.cell_hashes.insert(CellHash(self.cells.len()-1, cell.get_hash()));;
[INFO] [stdout]     |                                                                                    ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/space.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::space::Space`
[INFO] [stdout]   --> src/rule.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::space::Space;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CellValue` and `Cell`
[INFO] [stdout]   --> src/rule.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::cell::{Cell, CellValue};
[INFO] [stdout]    |                   ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/state_explorer.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector_permuter::VectorPermuter`
[INFO] [stdout]  --> src/graph/op_node.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::permutation::{set_permuter::SetPermuter, vector_permuter::VectorPermuter};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/permutation/set_permuter.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::VectorPermuter`
[INFO] [stdout]    --> src/permutation/vector_permuter.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     use super::VectorPermuter;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/permutation/set_permuter.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut muter = SetPermuter {
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `current_iteration` is never read
[INFO] [stdout]   --> src/space.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Space {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 30 |     current_iteration: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Space` 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: methods `get_rule`, `pop_cell`, and `len` are never used
[INFO] [stdout]    --> src/space.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 39  | impl Space {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn get_rule(&self) -> &Rule {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn pop_cell(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `debug_print` and `len` are never used
[INFO] [stdout]    --> src/graph/op_node.rs:62:12
[INFO] [stdout]     |
[INFO] [stdout] 32  | impl OpNode {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62  |     pub fn debug_print(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_leaf_node` is never used
[INFO] [stdout]    --> src/graph/op_node.rs:591:8
[INFO] [stdout]     |
[INFO] [stdout] 591 |     fn test_leaf_node(node: &mut OpNode, expected_index: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `can_incr` and `incr` are never used
[INFO] [stdout]    --> src/permutation/set_permuter.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 15  | impl SetPermuter {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 175 |     fn can_incr(&self, i_j: ((usize, usize), (usize, usize))) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |     fn incr(&self, i_j: &mut ((usize, usize), (usize, usize))) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VectorPermuter` is never constructed
[INFO] [stdout]  --> src/permutation/vector_permuter.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct VectorPermuter {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `VectorPermuter` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/permutation/vector_permuter.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl VectorPermuter {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(len: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn has_next(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn generate_next(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn generate_child(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn get_vector(&self) -> Vec<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn replace(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `expectedValue` should have a snake case name
[INFO] [stdout]    --> src/space.rs:158:40
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn find_number_of_cells(&self, expectedValue: CellValue) -> usize {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^ help: convert the identifier to snake case: `expected_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustckktyjf/symbols.o" "<6 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/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" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustckktyjf/raw-dylibs" "-B<sysroot>/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" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/cellular_automata_state_search-219f01fbd99e6361" "-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 `cellular_automata_state_search` (bin "cellular_automata_state_search") due to 1 previous error; 17 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "001b44bc1d86da35a7ea7387ed1ec3f45521f38031f9360ff605ccd0c339284b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001b44bc1d86da35a7ea7387ed1ec3f45521f38031f9360ff605ccd0c339284b", kill_on_drop: false }`
[INFO] [stdout] 001b44bc1d86da35a7ea7387ed1ec3f45521f38031f9360ff605ccd0c339284b