[INFO] cloning repository https://github.com/Mountlex/kenken
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mountlex/kenken" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMountlex%2Fkenken", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMountlex%2Fkenken'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2334bbb5b06e2d358f6809a2f587485e9bf55724
[INFO] testing Mountlex/kenken against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMountlex%2Fkenken" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mountlex/kenken on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mountlex/kenken
[INFO] finished tweaking git repo https://github.com/Mountlex/kenken
[INFO] tweaked toml for git repo https://github.com/Mountlex/kenken written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/Mountlex/kenken already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coin_cbc_sys v0.1.1
[INFO] [stderr]   Downloaded coin_cbc v0.1.6
[INFO] [stderr]   Downloaded good_lp v1.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90a7dd74b16ec4de540746a13849bba31e0de935eba4859eba816f59529d8691
[INFO] running `Command { std: "docker" "start" "-a" "90a7dd74b16ec4de540746a13849bba31e0de935eba4859eba816f59529d8691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90a7dd74b16ec4de540746a13849bba31e0de935eba4859eba816f59529d8691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a7dd74b16ec4de540746a13849bba31e0de935eba4859eba816f59529d8691", kill_on_drop: false }`
[INFO] [stdout] 90a7dd74b16ec4de540746a13849bba31e0de935eba4859eba816f59529d8691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45a1033bfef96df7eabdb19d0cc3d68a3411b6097c6d15fa2310b2ecf72e79b3
[INFO] running `Command { std: "docker" "start" "-a" "45a1033bfef96df7eabdb19d0cc3d68a3411b6097c6d15fa2310b2ecf72e79b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling coin_cbc_sys v0.1.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling coin_cbc v0.1.6
[INFO] [stderr]    Compiling good_lp v1.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling clap v3.1.8
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ron v0.7.0
[INFO] [stderr]    Compiling kenken v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]   --> src/main.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Commands::Solve { path, verbose } => {
[INFO] [stdout]    |                                 ^^^^^^^ help: try ignoring the field: `verbose: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/kenken.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn new(ty: Type, solution: u16, fields: Vec<Field>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate`
[INFO] [stdout]   --> src/validate.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn validate(&self) -> ValidationResult {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.kenken.8b631a54-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce.5dsymsbiqpb77qji.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libron-39c98f183ab5c4c1.rlib" "/opt/rustwide/target/debug/deps/libbase64-4c997255cfee02b8.rlib" "/opt/rustwide/target/debug/deps/libgood_lp-7f6dda4594197ccd.rlib" "/opt/rustwide/target/debug/deps/libcoin_cbc-920d5c4a86fe3058.rlib" "/opt/rustwide/target/debug/deps/libcoin_cbc_sys-9ee99e1be9b21387.rlib" "/opt/rustwide/target/debug/deps/libfnv-6d1578eb67bc4123.rlib" "/opt/rustwide/target/debug/deps/libserde_json-ef00c1b33fbac480.rlib" "/opt/rustwide/target/debug/deps/libryu-53580c25f32ff188.rlib" "/opt/rustwide/target/debug/deps/libitoa-eb0b0da4f5c7fd02.rlib" "/opt/rustwide/target/debug/deps/libanyhow-2d9de639ab954a37.rlib" "/opt/rustwide/target/debug/deps/libserde-c7c62b83660fd08f.rlib" "/opt/rustwide/target/debug/deps/libclap-604c06068ef3706f.rlib" "/opt/rustwide/target/debug/deps/libstrsim-efc95d61a4073098.rlib" "/opt/rustwide/target/debug/deps/libatty-ff478c33b9dc6ef6.rlib" "/opt/rustwide/target/debug/deps/liblibc-694631e0a6a0b54f.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-26746dbb2e748612.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-9db714b365fd2005.rlib" "/opt/rustwide/target/debug/deps/libindexmap-57a3089c4a03a431.rlib" "/opt/rustwide/target/debug/deps/libhashbrown-8ce5fddf7b71f952.rlib" "/opt/rustwide/target/debug/deps/libos_str_bytes-243440063fb2369b.rlib" "/opt/rustwide/target/debug/deps/libmemchr-1331aa8962ea7f83.rlib" "/opt/rustwide/target/debug/deps/libbitflags-f1ca410388ec357f.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b341606102c7008f.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-fc45202bb435016b.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f2400674c7513725.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-605c3a7d1a5d300d.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3d4fb4efa907e4e8.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-65207f030ab23308.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-76ca199cb0186109.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-1e3e01ed4f561dc1.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dd8dddcba7c13fee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-00b13d31c3420656.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e4c8460b81557bd5.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-600d46e5f0005455.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e4a08a2585b62d37.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fbc21ec567cb9dc7.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-10b3fa8e49bd978f.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64625b73694ffce7.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-fb6b78ac543a58ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1d1f2d1bec6f51b8.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-acf5ff6e9595d982.rlib" "-Wl,-Bdynamic" "-lCbcSolver" "-lc" "-lm" "-lrt" "-lpthread" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/kenken-8a827b30df8291ce" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lCbcSolver
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kenken` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "45a1033bfef96df7eabdb19d0cc3d68a3411b6097c6d15fa2310b2ecf72e79b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a1033bfef96df7eabdb19d0cc3d68a3411b6097c6d15fa2310b2ecf72e79b3", kill_on_drop: false }`
[INFO] [stdout] 45a1033bfef96df7eabdb19d0cc3d68a3411b6097c6d15fa2310b2ecf72e79b3