[INFO] cloning repository Ameobea/advent-of-code-2018
[INFO] running `"git" "clone" "--bare" "git://github.com/Ameobea/advent-of-code-2018.git" "work/cache/sources/gh/Ameobea/advent-of-code-2018"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Ameobea/advent-of-code-2018'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Ameobea/advent-of-code-2018" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Ameobea/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Ameobea/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ameobea/advent-of-code-2018" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Ameobea/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Ameobea/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca253aeef8a2cc01609866a6e12a89038743b73f
[INFO] sha for GitHub repo Ameobea/advent-of-code-2018: ca253aeef8a2cc01609866a6e12a89038743b73f
[INFO] validating manifest of Ameobea/advent-of-code-2018 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 Ameobea/advent-of-code-2018 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 Ameobea/advent-of-code-2018
[INFO] finished frobbing Ameobea/advent-of-code-2018
[INFO] frobbed toml for Ameobea/advent-of-code-2018 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Ameobea/advent-of-code-2018/Cargo.toml
[INFO] started frobbing Ameobea/advent-of-code-2018
[INFO] finished frobbing Ameobea/advent-of-code-2018
[INFO] frobbed toml for Ameobea/advent-of-code-2018 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Ameobea/advent-of-code-2018/Cargo.toml
[INFO] crate Ameobea/advent-of-code-2018 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 Ameobea/advent-of-code-2018 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Ameobea/advent-of-code-2018:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 96a7a2bf1084577f63934bc0cf305e3e9f930ad24f58a0e90de506ed0d3ba035
[INFO] running `"docker" "start" "-a" "96a7a2bf1084577f63934bc0cf305e3e9f930ad24f58a0e90de506ed0d3ba035"`
[INFO] [stderr]    Compiling z3-sys v0.4.0
[INFO] [stderr]    Compiling packed_simd v0.3.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling z3 v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling once_cell v0.1.6
[INFO] [stderr]    Compiling cached v0.8.0
[INFO] [stderr]    Compiling pathfinding v1.1.10
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling structopt v0.2.14
[INFO] [stderr]    Compiling aoc-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:94:28
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let days_iterator: Box<Iterator<Item = (usize, &'static fn())>> = if opt.days.is_empty() {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, &'static fn())>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] 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/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.aoc_2018.7j7max6e-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e" "/opt/crater/target/debug/deps/aoc_2018-c86f40545d2f745e.333nlk1prutxgl0e.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/librayon-9d97f2951afc612f.rlib" "/opt/crater/target/debug/deps/librayon_core-fae4546b53030edb.rlib" "/opt/crater/target/debug/deps/libnum_cpus-4d11227c6ff69728.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-fbad240b4e340ed8.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-789042e2a14fc35c.rlib" "/opt/crater/target/debug/deps/libmemoffset-ded7f655f2feb8c2.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-624e844cfde63fa8.rlib" "/opt/crater/target/debug/deps/libarrayvec-d1556eaa416971ed.rlib" "/opt/crater/target/debug/deps/libnodrop-242ff825073a6158.rlib" "/opt/crater/target/debug/deps/libchrono-0e87c28a2547b901.rlib" "/opt/crater/target/debug/deps/libnum_integer-1ee63569f3a27cf8.rlib" "/opt/crater/target/debug/deps/libtime-4bda5ffaf280890b.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-483c5fb990ecd527.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-676ed420ceb27f8a.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-31e70ef246c653a1.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-e5c2146f47976940.rlib" "/opt/crater/target/debug/deps/libpacked_simd-5c23e1df4f44dc50.rlib" "/opt/crater/target/debug/deps/libpathfinding-bfc0cf95b4e905cd.rlib" "/opt/crater/target/debug/deps/libfixedbitset-fbc3b105053d0c9e.rlib" "/opt/crater/target/debug/deps/libitertools-80c50e871d88ce39.rlib" "/opt/crater/target/debug/deps/libeither-384a7380e14c7ec2.rlib" "/opt/crater/target/debug/deps/libindexmap-04ceabf6b6c1f57d.rlib" "/opt/crater/target/debug/deps/libnum_traits-fd24e5c1ffb9b482.rlib" "/opt/crater/target/debug/deps/libz3-e3d345c81f72af37.rlib" "/opt/crater/target/debug/deps/libz3_sys-df75618f09a8170b.rlib" "/opt/crater/target/debug/deps/liblog-81d7a01bf3e0fcca.rlib" "/opt/crater/target/debug/deps/libcached-33c9cd53f3ab74b0.rlib" "/opt/crater/target/debug/deps/libonce_cell-b21b88db4615e797.rlib" "/opt/crater/target/debug/deps/libparking_lot-42a399816c78e6d3.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-704475d0d9e6a107.rlib" "/opt/crater/target/debug/deps/libsmallvec-0b5d311d35e6e3a9.rlib" "/opt/crater/target/debug/deps/libunreachable-baacf05ac1ca8459.rlib" "/opt/crater/target/debug/deps/libvoid-1d2616bc2475d694.rlib" "/opt/crater/target/debug/deps/librand-c6860b6a2056747b.rlib" "/opt/crater/target/debug/deps/librand_core-232ec87cabadd98f.rlib" "/opt/crater/target/debug/deps/librand_core-00f8f9e6b454f1f5.rlib" "/opt/crater/target/debug/deps/liblock_api-dfcebf64017c0343.rlib" "/opt/crater/target/debug/deps/libscopeguard-fd1b9799252ebb40.rlib" "/opt/crater/target/debug/deps/libnom-e8439caa9f80c2f2.rlib" "/opt/crater/target/debug/deps/libstructopt-5096de3cdadbd9a4.rlib" "/opt/crater/target/debug/deps/libclap-f3a6da3972db06bc.rlib" "/opt/crater/target/debug/deps/libvec_map-cc0ce3adfcb1b056.rlib" "/opt/crater/target/debug/deps/libtextwrap-0102ea13946ebb73.rlib" "/opt/crater/target/debug/deps/libunicode_width-454a0b46b949aab8.rlib" "/opt/crater/target/debug/deps/libstrsim-642305543a158f9a.rlib" "/opt/crater/target/debug/deps/libbitflags-7486021306c0f32a.rlib" "/opt/crater/target/debug/deps/libatty-f4155e0083ed0989.rlib" "/opt/crater/target/debug/deps/libansi_term-0acbace24a3c1a47.rlib" "/opt/crater/target/debug/deps/libslab-d27e05ee247cbb63.rlib" "/opt/crater/target/debug/deps/libregex-897fc550c41d5879.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-43252e55cfafc950.rlib" "/opt/crater/target/debug/deps/libregex_syntax-8985ac442551e84b.rlib" "/opt/crater/target/debug/deps/libucd_util-d5cf41029b63921a.rlib" "/opt/crater/target/debug/deps/libthread_local-ca36631e54ad2ed4.rlib" "/opt/crater/target/debug/deps/liblazy_static-f7d83078145752c3.rlib" "/opt/crater/target/debug/deps/libaho_corasick-167a29b26bc1ad44.rlib" "/opt/crater/target/debug/deps/libmemchr-76c6e955ba31611d.rlib" "/opt/crater/target/debug/deps/liblibc-1e024785a4134c0a.rlib" "/opt/crater/target/debug/deps/libcfg_if-3e37735d4236562b.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5eb7072357e3f704.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-be57a0a20ef83edc.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-53ea5c4d1e8787c5.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-90a03fea645d1ca0.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d0be8ec5eb12a622.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-c9bd1ed65ad5f9b5.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-232a620458cbc142.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-378c2daa95643520.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b1ad0e3b0cafff9a.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bd92551ef79ec0f7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-6f92150ede6dcf89.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5d5836de4a922af7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0bd990bd23dec0da.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5a50a9afbc6d167.rlib" "-Wl,-Bdynamic" "-lz3" "-lutil" "-lutil" "-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 `aoc-2018`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "96a7a2bf1084577f63934bc0cf305e3e9f930ad24f58a0e90de506ed0d3ba035"`
[INFO] running `"docker" "rm" "-f" "96a7a2bf1084577f63934bc0cf305e3e9f930ad24f58a0e90de506ed0d3ba035"`
[INFO] [stdout] 96a7a2bf1084577f63934bc0cf305e3e9f930ad24f58a0e90de506ed0d3ba035