[INFO] cloning repository mkeeter/nmbr9-z3 [INFO] running `"git" "clone" "--bare" "git://github.com/mkeeter/nmbr9-z3.git" "work/cache/sources/gh/mkeeter/nmbr9-z3"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mkeeter/nmbr9-z3'... [INFO] running `"git" "clone" "work/cache/sources/gh/mkeeter/nmbr9-z3" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mkeeter/nmbr9-z3"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mkeeter/nmbr9-z3'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mkeeter/nmbr9-z3" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mkeeter/nmbr9-z3"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mkeeter/nmbr9-z3'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 103368b9cb2cfdff2d4cc1831a2946fbafbe58cf [INFO] sha for GitHub repo mkeeter/nmbr9-z3: 103368b9cb2cfdff2d4cc1831a2946fbafbe58cf [INFO] validating manifest of mkeeter/nmbr9-z3 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mkeeter/nmbr9-z3 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mkeeter/nmbr9-z3 [INFO] finished frobbing mkeeter/nmbr9-z3 [INFO] frobbed toml for mkeeter/nmbr9-z3 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mkeeter/nmbr9-z3/Cargo.toml [INFO] started frobbing mkeeter/nmbr9-z3 [INFO] finished frobbing mkeeter/nmbr9-z3 [INFO] frobbed toml for mkeeter/nmbr9-z3 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mkeeter/nmbr9-z3/Cargo.toml [INFO] crate mkeeter/nmbr9-z3 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mkeeter/nmbr9-z3 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mkeeter/nmbr9-z3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] f8630af39b44210261d12a71949daeecb3e7978183ab1a498aaf2d3792cf08f0 [INFO] running `"docker" "start" "-a" "f8630af39b44210261d12a71949daeecb3e7978183ab1a498aaf2d3792cf08f0"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling z3-sys v0.4.0 (https://github.com/prove-rs/z3.rs#b39aa9f8) [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Compiling z3 v0.3.2 (https://github.com/prove-rs/z3.rs#b39aa9f8) [INFO] [stderr] Compiling nmbr9-z3 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/main.rs:490:9 [INFO] [stderr] | [INFO] [stderr] 490 | for t in targets { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_t` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:505:9 [INFO] [stderr] | [INFO] [stderr] 505 | for i in 0..10 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/main.rs:176:17 [INFO] [stderr] | [INFO] [stderr] 176 | for k in 0..(i % 3) { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_k` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `most_pieces` [INFO] [stderr] --> src/main.rs:262:13 [INFO] [stderr] | [INFO] [stderr] 262 | let most_pieces = self.0.iter().map(|v| v.len()).max().unwrap_or(0); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_most_pieces` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:472:9 [INFO] [stderr] | [INFO] [stderr] 472 | let mut base = (1..(3 as usize).pow(5)) [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `as_u128` [INFO] [stderr] --> src/main.rs:185:5 [INFO] [stderr] | [INFO] [stderr] 185 | fn as_u128(&self) -> u128 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] error: linking with `cc` failed: exit code: 1 [INFO] [stderr] | [INFO] [stderr] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.nmbr9_z3.8eth76mo-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d" "/opt/crater/target/debug/deps/nmbr9_z3-fdca1e5cc87bc96d.2ze4lwfmygzj4qtu.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/librayon-a3f37944518ed087.rlib" "/opt/crater/target/debug/deps/libeither-b68bb55a3fac5c91.rlib" "/opt/crater/target/debug/deps/librayon_core-24ed21ed47dba367.rlib" "/opt/crater/target/debug/deps/libnum_cpus-05bdbde73a96eb44.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-e5dbd122cd40ea3f.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-e4c2e48f8f718714.rlib" "/opt/crater/target/debug/deps/libscopeguard-4f938876ba0f86be.rlib" "/opt/crater/target/debug/deps/libmemoffset-07fb8d6dd7a47f76.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-30fdf203ed68eece.rlib" "/opt/crater/target/debug/deps/libarrayvec-b8f99a1c12b2857e.rlib" "/opt/crater/target/debug/deps/libnodrop-a7323817aaf3fc4b.rlib" "/opt/crater/target/debug/deps/librand-6812a110321ebcfd.rlib" "/opt/crater/target/debug/deps/librand_xorshift-3d9c571c41537d9d.rlib" "/opt/crater/target/debug/deps/librand_pcg-b760709c417620d0.rlib" "/opt/crater/target/debug/deps/librand_hc-2c2f7de6c79fe0f6.rlib" "/opt/crater/target/debug/deps/librand_chacha-5513caa176de937c.rlib" "/opt/crater/target/debug/deps/librand_isaac-d1b38b4fc2ced1be.rlib" "/opt/crater/target/debug/deps/librand_os-faa5ae5f3dd52fdb.rlib" "/opt/crater/target/debug/deps/liblibc-ba471c2126948c64.rlib" "/opt/crater/target/debug/deps/librand_core-313e7882eb7ea035.rlib" "/opt/crater/target/debug/deps/libz3-f8728768c3306b95.rlib" "/opt/crater/target/debug/deps/libz3_sys-7e631444c8fbd7da.rlib" "/opt/crater/target/debug/deps/liblazy_static-735172ffe5c4978c.rlib" "/opt/crater/target/debug/deps/liblog-203dd02d1c682229.rlib" "/opt/crater/target/debug/deps/libcfg_if-8e8ec56c3bb25549.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-196d0eff8e603c0a.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1c597f5941591e04.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-a20af2d3380aa511.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-f989f9e071798586.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-52fb60b932b5ef90.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-90a3fdc679697856.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-06d10270cfa51644.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8abb913fca550f79.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-31fd2baab47b156c.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0862cc65189bd4af.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8010b8629f5aa3e5.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-lz3" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -lz3 [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `nmbr9-z3`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "f8630af39b44210261d12a71949daeecb3e7978183ab1a498aaf2d3792cf08f0"` [INFO] running `"docker" "rm" "-f" "f8630af39b44210261d12a71949daeecb3e7978183ab1a498aaf2d3792cf08f0"` [INFO] [stdout] f8630af39b44210261d12a71949daeecb3e7978183ab1a498aaf2d3792cf08f0