[INFO] cloning repository https://github.com/FranElfers/hello-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FranElfers/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFranElfers%2Fhello-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFranElfers%2Fhello-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bcf51041b0598eb4cda35350e79ebfbc1cc81bc5 [INFO] testing FranElfers/hello-rust against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFranElfers%2Fhello-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FranElfers/hello-rust on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FranElfers/hello-rust [INFO] finished tweaking git repo https://github.com/FranElfers/hello-rust [INFO] tweaked toml for git repo https://github.com/FranElfers/hello-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/FranElfers/hello-rust 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2891f0eef2209774b60419f7a618f213f55c983850cdcdaa79a7434d7fe17e77 [INFO] running `Command { std: "docker" "start" "-a" "2891f0eef2209774b60419f7a618f213f55c983850cdcdaa79a7434d7fe17e77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2891f0eef2209774b60419f7a618f213f55c983850cdcdaa79a7434d7fe17e77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2891f0eef2209774b60419f7a618f213f55c983850cdcdaa79a7434d7fe17e77", kill_on_drop: false }` [INFO] [stdout] 2891f0eef2209774b60419f7a618f213f55c983850cdcdaa79a7434d7fe17e77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 484f3e81d59e7c2b2497311ef928fdb6825871cf82a51abb251b7c88f5562ca6 [INFO] running `Command { std: "docker" "start" "-a" "484f3e81d59e7c2b2497311ef928fdb6825871cf82a51abb251b7c88f5562ca6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling getrandom v0.2.6 [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 hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/main.rs:128:13 [INFO] [stdout] | [INFO] [stdout] 128 | let mut x = 10; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let y = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let x = 15; // now local var [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `specific` [INFO] [stdout] --> src/main.rs:207:9 [INFO] [stdout] | [INFO] [stdout] 207 | let specific: [i32; 5] = [1,2,3,4,5]; // [type; length] (not actually required) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_specific` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `default` [INFO] [stdout] --> src/main.rs:213:9 [INFO] [stdout] | [INFO] [stdout] 213 | let default = [2; 100]; // a list of 2s with length of 100: [2,2,2,...] [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tokens` [INFO] [stdout] --> src/main.rs:261:9 [INFO] [stdout] | [INFO] [stdout] 261 | let tokens: Vec<&str> = my_string.split("?").collect(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `trimmed` [INFO] [stdout] --> src/main.rs:264:9 [INFO] [stdout] | [INFO] [stdout] 264 | let trimmed = my_string.trim(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trimmed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_vector1` [INFO] [stdout] --> src/main.rs:327:9 [INFO] [stdout] | [INFO] [stdout] 327 | let my_vector1:Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_vector1` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.31s [INFO] running `Command { std: "docker" "inspect" "484f3e81d59e7c2b2497311ef928fdb6825871cf82a51abb251b7c88f5562ca6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "484f3e81d59e7c2b2497311ef928fdb6825871cf82a51abb251b7c88f5562ca6", kill_on_drop: false }` [INFO] [stdout] 484f3e81d59e7c2b2497311ef928fdb6825871cf82a51abb251b7c88f5562ca6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1532c8f4a92ea51d59725f0ddae674e8823a79dd6079a06f7b89fa09e3df582 [INFO] running `Command { std: "docker" "start" "-a" "c1532c8f4a92ea51d59725f0ddae674e8823a79dd6079a06f7b89fa09e3df582", kill_on_drop: false }` [INFO] [stderr] Compiling hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/main.rs:128:13 [INFO] [stdout] | [INFO] [stdout] 128 | let mut x = 10; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let y = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let x = 15; // now local var [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `specific` [INFO] [stdout] --> src/main.rs:207:9 [INFO] [stdout] | [INFO] [stdout] 207 | let specific: [i32; 5] = [1,2,3,4,5]; // [type; length] (not actually required) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_specific` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `default` [INFO] [stdout] --> src/main.rs:213:9 [INFO] [stdout] | [INFO] [stdout] 213 | let default = [2; 100]; // a list of 2s with length of 100: [2,2,2,...] [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tokens` [INFO] [stdout] --> src/main.rs:261:9 [INFO] [stdout] | [INFO] [stdout] 261 | let tokens: Vec<&str> = my_string.split("?").collect(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `trimmed` [INFO] [stdout] --> src/main.rs:264:9 [INFO] [stdout] | [INFO] [stdout] 264 | let trimmed = my_string.trim(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trimmed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_vector1` [INFO] [stdout] --> src/main.rs:327:9 [INFO] [stdout] | [INFO] [stdout] 327 | let my_vector1:Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_vector1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcPsgEz8/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-5b337cbd81a5a91e.rlib,libgetopts-b3d751a359439e5c.rlib,libunicode_width-b94cd6aeaf6d0888.rlib,librustc_std_workspace_std-7eff89145b2e518b.rlib}" "/opt/rustwide/target/debug/deps/{librand-f3f37d4a6ed1070a.rlib,librand_chacha-380273a0429b6541.rlib,libppv_lite86-8dae110e85681398.rlib,librand_core-a9c95cb304ce60d8.rlib,libgetrandom-72f73a6ad1695eeb.rlib,liblibc-a8b181dfb858c845.rlib,libcfg_if-33ef6c02a07f9fec.rlib}" "/opt/rustwide/rustup-home/toolchains/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-c961c021679cb080.rlib,libpanic_unwind-cf53e161ed1cff61.rlib,libobject-cb648d8066e1f446.rlib,libmemchr-c5d4f358058ea4b7.rlib,libaddr2line-c3d71356250e6616.rlib,libgimli-f87b04c9c9484f11.rlib,librustc_demangle-bcb6f2ec634b4b7c.rlib,libstd_detect-7c9c37927c8e6d84.rlib,libhashbrown-c2c9b281c2c2a277.rlib,librustc_std_workspace_alloc-436fb8ec294074ae.rlib,libminiz_oxide-8d1606a7c3a02301.rlib,libadler-b9d368accc529045.rlib,libunwind-8fa2d9148abc4bd4.rlib,libcfg_if-04c8eb04b1ca0e2e.rlib,liblibc-ac32c271036f683f.rlib,liballoc-954db56effadca87.rlib,librustc_std_workspace_core-395a38b8e0851c9b.rlib,libcore-d453bab70303062c.rlib,libcompiler_builtins-d643a4794e0b0ebc.rlib}" "-Wl,-Bdynamic" "-lc" "-lm" "-lrt" "-lpthread" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/ed7f3d77595b4831fdf085f2529aa13b5b51ff7d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/hello_rust-5f49d2569cdea952" "-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 `hello-rust` (bin "hello-rust" test) due to 1 previous error; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c1532c8f4a92ea51d59725f0ddae674e8823a79dd6079a06f7b89fa09e3df582", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1532c8f4a92ea51d59725f0ddae674e8823a79dd6079a06f7b89fa09e3df582", kill_on_drop: false }` [INFO] [stdout] c1532c8f4a92ea51d59725f0ddae674e8823a79dd6079a06f7b89fa09e3df582