[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-1.38-1/sources/1.37.0/gh/mkeeter/nmbr9-z3"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mkeeter/nmbr9-z3'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mkeeter/nmbr9-z3" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkeeter/nmbr9-z3"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mkeeter/nmbr9-z3 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mkeeter/nmbr9-z3 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] 1392410c70d557ceb2a5b1cd32209ed4a6cd808ab5b5c1697ab3d941774c2cc9 [INFO] running `"docker" "start" "-a" "1392410c70d557ceb2a5b1cd32209ed4a6cd808ab5b5c1697ab3d941774c2cc9"` [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 rand_os v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [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 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-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.nmbr9_z3.5flptg94-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292" "/opt/crater/target/debug/deps/nmbr9_z3-b6a6cd6658aab292.1xjvs73em9b973ci.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/librayon-3994e2de81e1b196.rlib" "/opt/crater/target/debug/deps/libeither-90c0ce8e46d0418a.rlib" "/opt/crater/target/debug/deps/librayon_core-fe9dcc984b42b231.rlib" "/opt/crater/target/debug/deps/libnum_cpus-41955a1c944b5a66.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-7f7a85fcd1ba2b77.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-bd96d6bc7a052697.rlib" "/opt/crater/target/debug/deps/libscopeguard-22a7afc64d55fe2c.rlib" "/opt/crater/target/debug/deps/libmemoffset-81f7e9a5af225363.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-2a01996e6cbc246e.rlib" "/opt/crater/target/debug/deps/libarrayvec-af01a0d346bcce40.rlib" "/opt/crater/target/debug/deps/libnodrop-7f98e5f8ec110eeb.rlib" "/opt/crater/target/debug/deps/librand-de91137d760653e8.rlib" "/opt/crater/target/debug/deps/librand_xorshift-4b40683630528f3c.rlib" "/opt/crater/target/debug/deps/librand_pcg-f13281b07f95deab.rlib" "/opt/crater/target/debug/deps/librand_hc-3fc42ec1c8af02b1.rlib" "/opt/crater/target/debug/deps/librand_chacha-e60f053371e98258.rlib" "/opt/crater/target/debug/deps/librand_isaac-c8ad415819834091.rlib" "/opt/crater/target/debug/deps/librand_os-f591d1da7b6a5d42.rlib" "/opt/crater/target/debug/deps/liblibc-6ac10c0b2a63587f.rlib" "/opt/crater/target/debug/deps/librand_core-31821dc910b5bac2.rlib" "/opt/crater/target/debug/deps/libz3-0d2b38612825e81f.rlib" "/opt/crater/target/debug/deps/libz3_sys-026f1449e036814c.rlib" "/opt/crater/target/debug/deps/liblazy_static-df8b3d370f96c908.rlib" "/opt/crater/target/debug/deps/liblog-fb8f572ddd20602f.rlib" "/opt/crater/target/debug/deps/libcfg_if-52f952e08f3290ba.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.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" "1392410c70d557ceb2a5b1cd32209ed4a6cd808ab5b5c1697ab3d941774c2cc9"` [INFO] running `"docker" "rm" "-f" "1392410c70d557ceb2a5b1cd32209ed4a6cd808ab5b5c1697ab3d941774c2cc9"` [INFO] [stdout] 1392410c70d557ceb2a5b1cd32209ed4a6cd808ab5b5c1697ab3d941774c2cc9