[INFO] updating cached repository mkeeter/nmbr9-z3 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mkeeter/nmbr9-z3 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mkeeter/nmbr9-z3" "work/ex/beta-1.37-6/sources/1.36.0/gh/mkeeter/nmbr9-z3"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mkeeter/nmbr9-z3'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mkeeter/nmbr9-z3" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mkeeter/nmbr9-z3"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mkeeter/nmbr9-z3 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mkeeter/nmbr9-z3 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 39edca223e213d96061fd8a5d93ebcb78745892ba14a982ae6dcc4e95aab8675 [INFO] running `"docker" "start" "-a" "39edca223e213d96061fd8a5d93ebcb78745892ba14a982ae6dcc4e95aab8675"` [INFO] [stderr] Compiling z3-sys v0.4.0 (https://github.com/prove-rs/z3.rs#b39aa9f8) [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [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 rayon v1.0.3 [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/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.nmbr9_z3.c8f28thf-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737" "/opt/crater/target/debug/deps/nmbr9_z3-2abbf0a5aadfa737.3g2qge9ji19dmnil.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/librayon-13689c164cd757a1.rlib" "/opt/crater/target/debug/deps/libeither-88c841192ea25aec.rlib" "/opt/crater/target/debug/deps/librayon_core-071ff39dda44b839.rlib" "/opt/crater/target/debug/deps/libnum_cpus-148ec180fc4ec8ac.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-1f5f37494fab1e91.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-c51b91b3baaac507.rlib" "/opt/crater/target/debug/deps/libscopeguard-afc08b825b950866.rlib" "/opt/crater/target/debug/deps/libmemoffset-ef971ccc3957ca71.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-2407f7c6dcf0a00e.rlib" "/opt/crater/target/debug/deps/libarrayvec-940fecd1aefd4712.rlib" "/opt/crater/target/debug/deps/libnodrop-36ce0cdfb7359e6a.rlib" "/opt/crater/target/debug/deps/librand-18ce02bb3c8f9fba.rlib" "/opt/crater/target/debug/deps/librand_xorshift-617dbabe17ec4000.rlib" "/opt/crater/target/debug/deps/librand_pcg-a99eb8994209efbf.rlib" "/opt/crater/target/debug/deps/librand_hc-1a031fb5dbbfb4e7.rlib" "/opt/crater/target/debug/deps/librand_chacha-6e49ef35d0721eff.rlib" "/opt/crater/target/debug/deps/librand_isaac-e44604c0a003e3f8.rlib" "/opt/crater/target/debug/deps/librand_os-811a5027de5f833c.rlib" "/opt/crater/target/debug/deps/liblibc-abede86d598dbe6d.rlib" "/opt/crater/target/debug/deps/librand_core-0169ea5a612ef054.rlib" "/opt/crater/target/debug/deps/libz3-4ca8998bde514c79.rlib" "/opt/crater/target/debug/deps/libz3_sys-1d0e49c67e522dc6.rlib" "/opt/crater/target/debug/deps/liblazy_static-6758b07bea2a83cb.rlib" "/opt/crater/target/debug/deps/liblog-716adb885b79b490.rlib" "/opt/crater/target/debug/deps/libcfg_if-c1938f77dc3c8b6e.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.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" "39edca223e213d96061fd8a5d93ebcb78745892ba14a982ae6dcc4e95aab8675"` [INFO] running `"docker" "rm" "-f" "39edca223e213d96061fd8a5d93ebcb78745892ba14a982ae6dcc4e95aab8675"` [INFO] [stdout] 39edca223e213d96061fd8a5d93ebcb78745892ba14a982ae6dcc4e95aab8675