[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 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/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] a1ecce71a217796d71c4254edabcbea6fc3a8f1d86e610f0a6af16ec9afa8264
[INFO] running `"docker" "start" "-a" "a1ecce71a217796d71c4254edabcbea6fc3a8f1d86e610f0a6af16ec9afa8264"`
[INFO] [stderr]    Compiling z3-sys v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling packed_simd v0.3.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling z3 v0.3.0
[INFO] [stderr]    Compiling pathfinding v1.1.10
[INFO] [stderr]    Compiling once_cell v0.1.6
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling cached v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[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/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.aoc_2018.7ct9w0iz-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec" "/opt/crater/target/debug/deps/aoc_2018-80418a5dd4f360ec.26dmvwshcsjq2bg8.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-276509642924973d.rlib" "/opt/crater/target/debug/deps/librayon_core-af73386042bee5be.rlib" "/opt/crater/target/debug/deps/libnum_cpus-b3a42379db4a99d8.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-e5dbd122cd40ea3f.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-e4c2e48f8f718714.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/libchrono-373dd35c53fd80c0.rlib" "/opt/crater/target/debug/deps/libnum_integer-cb28b3283c89f732.rlib" "/opt/crater/target/debug/deps/libtime-182b447ef8dde49e.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-663ecae12a465161.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-acba595a0b25d09b.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-b618c2997fe9241e.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-4755c7b1004b2bec.rlib" "/opt/crater/target/debug/deps/libpacked_simd-774b237f814b2b64.rlib" "/opt/crater/target/debug/deps/libpathfinding-3469d1c53c8f66d5.rlib" "/opt/crater/target/debug/deps/libfixedbitset-b1b36a1673b929c7.rlib" "/opt/crater/target/debug/deps/libitertools-596b2a5628c095ad.rlib" "/opt/crater/target/debug/deps/libeither-b68bb55a3fac5c91.rlib" "/opt/crater/target/debug/deps/libindexmap-d64a031d477d5ec2.rlib" "/opt/crater/target/debug/deps/libnum_traits-863ec76389318891.rlib" "/opt/crater/target/debug/deps/libz3-0c6f9fdb582aa9e0.rlib" "/opt/crater/target/debug/deps/libz3_sys-b89d3cd674570981.rlib" "/opt/crater/target/debug/deps/liblog-203dd02d1c682229.rlib" "/opt/crater/target/debug/deps/libcached-c0a356543749b356.rlib" "/opt/crater/target/debug/deps/libonce_cell-48d069538cd62962.rlib" "/opt/crater/target/debug/deps/libparking_lot-62585a159839ae98.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-17b3536ebfb47f8c.rlib" "/opt/crater/target/debug/deps/libsmallvec-65fa76edc83c9318.rlib" "/opt/crater/target/debug/deps/libunreachable-f41dcc748cd7e522.rlib" "/opt/crater/target/debug/deps/libvoid-46ab3321e6287e9e.rlib" "/opt/crater/target/debug/deps/librand-9647a9bdb95306b6.rlib" "/opt/crater/target/debug/deps/librand_core-e18d16763b6fa12a.rlib" "/opt/crater/target/debug/deps/librand_core-313e7882eb7ea035.rlib" "/opt/crater/target/debug/deps/liblock_api-248639b73135db6c.rlib" "/opt/crater/target/debug/deps/libscopeguard-4f938876ba0f86be.rlib" "/opt/crater/target/debug/deps/libnom-86c2c0e42d998fa9.rlib" "/opt/crater/target/debug/deps/libstructopt-3a6839158e15e9a1.rlib" "/opt/crater/target/debug/deps/libclap-b2c0c02b1839d428.rlib" "/opt/crater/target/debug/deps/libvec_map-93769db312b5e022.rlib" "/opt/crater/target/debug/deps/libtextwrap-fc8ae358ae65d637.rlib" "/opt/crater/target/debug/deps/libunicode_width-805e15fbea7d8565.rlib" "/opt/crater/target/debug/deps/libstrsim-65f61cd42f0cb83e.rlib" "/opt/crater/target/debug/deps/libbitflags-2da86ef0b219352b.rlib" "/opt/crater/target/debug/deps/libatty-9ab7cf7690895af8.rlib" "/opt/crater/target/debug/deps/libansi_term-3f6b86b4b1f9989c.rlib" "/opt/crater/target/debug/deps/libslab-7332dc2a037044e1.rlib" "/opt/crater/target/debug/deps/libregex-7936222560f0d02e.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-16f0d1a595ddf2bb.rlib" "/opt/crater/target/debug/deps/libregex_syntax-56fe4981743d7628.rlib" "/opt/crater/target/debug/deps/libucd_util-dcd2d3cc31ba1999.rlib" "/opt/crater/target/debug/deps/libthread_local-8687d05943429fb5.rlib" "/opt/crater/target/debug/deps/liblazy_static-735172ffe5c4978c.rlib" "/opt/crater/target/debug/deps/libaho_corasick-6b284a623865f361.rlib" "/opt/crater/target/debug/deps/libmemchr-f22995cb3fc87ee5.rlib" "/opt/crater/target/debug/deps/liblibc-ed2b18567716d62f.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" "-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" "a1ecce71a217796d71c4254edabcbea6fc3a8f1d86e610f0a6af16ec9afa8264"`
[INFO] running `"docker" "rm" "-f" "a1ecce71a217796d71c4254edabcbea6fc3a8f1d86e610f0a6af16ec9afa8264"`
[INFO] [stdout] a1ecce71a217796d71c4254edabcbea6fc3a8f1d86e610f0a6af16ec9afa8264