[INFO] cloning repository https://github.com/Crypto-Spartan/matchmaker [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Crypto-Spartan/matchmaker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrypto-Spartan%2Fmatchmaker", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrypto-Spartan%2Fmatchmaker'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bb460d1d6de9d4d78745bd5d583ff5f0069ec348 [INFO] testing Crypto-Spartan/matchmaker against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrypto-Spartan%2Fmatchmaker" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Crypto-Spartan/matchmaker on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Crypto-Spartan/matchmaker [INFO] finished tweaking git repo https://github.com/Crypto-Spartan/matchmaker [INFO] tweaked toml for git repo https://github.com/Crypto-Spartan/matchmaker written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Crypto-Spartan/matchmaker already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded coin_cbc_sys v0.1.1 [INFO] [stderr] Downloaded coin_cbc v0.1.5 [INFO] [stderr] Downloaded good_lp v1.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 25b591bd41d220269c83148a22e68de340316a0e3043b00e54846f96a712d71d [INFO] running `Command { std: "docker" "start" "-a" "25b591bd41d220269c83148a22e68de340316a0e3043b00e54846f96a712d71d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25b591bd41d220269c83148a22e68de340316a0e3043b00e54846f96a712d71d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25b591bd41d220269c83148a22e68de340316a0e3043b00e54846f96a712d71d", kill_on_drop: false }` [INFO] [stdout] 25b591bd41d220269c83148a22e68de340316a0e3043b00e54846f96a712d71d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9e7bcff03942b09193e4c696563521ed4e2d67c6c26402993e98dd926aebd4f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b9e7bcff03942b09193e4c696563521ed4e2d67c6c26402993e98dd926aebd4f", kill_on_drop: false }` [INFO] [stderr] Compiling coin_cbc_sys v0.1.1 [INFO] [stderr] Compiling coin_cbc v0.1.5 [INFO] [stderr] Compiling good_lp v1.1.3 [INFO] [stderr] Compiling matchmaker v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `max_team_diff` is never read [INFO] [stdout] --> src/main.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | max_team_diff = 1100; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:129:26 [INFO] [stdout] | [INFO] [stdout] 129 | Err(e) => panic!(e) [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 129 | Err(e) => panic!("{}", e) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 129 | Err(e) => std::panic::panic_any(e) [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/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.matchmaker.ed55b10e-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab.21uby41njzfl4pts.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libgood_lp-fc1c33b4da44de26.rlib" "/opt/rustwide/target/debug/deps/libcoin_cbc-8361dbd80895139c.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rlib" "/opt/rustwide/target/debug/deps/libcoin_cbc_sys-7acfae0d4c6e0f35.rlib" "/opt/rustwide/target/debug/deps/libfnv-d1dc8bedb5ffcb44.rlib" "/opt/rustwide/target/debug/deps/libitertools-c0ea5b4b1d6f2c02.rlib" "/opt/rustwide/target/debug/deps/libeither-86164c251fc3f461.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lCbcSolver" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/matchmaker-610cc82555922cab" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `matchmaker` due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "b9e7bcff03942b09193e4c696563521ed4e2d67c6c26402993e98dd926aebd4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9e7bcff03942b09193e4c696563521ed4e2d67c6c26402993e98dd926aebd4f", kill_on_drop: false }` [INFO] [stdout] b9e7bcff03942b09193e4c696563521ed4e2d67c6c26402993e98dd926aebd4f