[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 try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrypto-Spartan%2Fmatchmaker" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Crypto-Spartan/matchmaker on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-5/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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 good_lp v1.1.3 [INFO] [stderr] Downloaded coin_cbc v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] ebe7af7369fcf5f927d6715e1fa2b620a02ca8d074a4eb6847a53891c3142cb0 [INFO] running `Command { std: "docker" "start" "-a" "ebe7af7369fcf5f927d6715e1fa2b620a02ca8d074a4eb6847a53891c3142cb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ebe7af7369fcf5f927d6715e1fa2b620a02ca8d074a4eb6847a53891c3142cb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebe7af7369fcf5f927d6715e1fa2b620a02ca8d074a4eb6847a53891c3142cb0", kill_on_drop: false }` [INFO] [stdout] ebe7af7369fcf5f927d6715e1fa2b620a02ca8d074a4eb6847a53891c3142cb0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 916f80cda2a0b1da2fc60485c794b80a90bfba990c6c6ab38dfcfc3b2d94ed63 [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" "916f80cda2a0b1da2fc60485c794b80a90bfba990c6c6ab38dfcfc3b2d94ed63", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling coin_cbc_sys v0.1.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling itertools v0.10.1 [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-de44ad620c5fef62.matchmaker.b232a9b8-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.matchmaker.b232a9b8-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62.1kq49t6enusffhka.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libgood_lp-5834d0b8e3b8cdc5.rlib" "/opt/rustwide/target/debug/deps/libcoin_cbc-95c8663b7305faf3.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f67718dd40129317.rlib" "/opt/rustwide/target/debug/deps/libcoin_cbc_sys-a0e0fcd690e7d4f5.rlib" "/opt/rustwide/target/debug/deps/libfnv-74d41fd10066a65d.rlib" "/opt/rustwide/target/debug/deps/libitertools-78c60b588458e652.rlib" "/opt/rustwide/target/debug/deps/libeither-d092b3e3a60a447e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9c44f1fe63de3edb.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5dfdbb680ac299a1.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-353beaf877db2fdf.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-cd4abd33332d2d3f.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3b908b5b50ddd80c.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9cafd3521b5532d3.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-7b0935832903a9ac.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-8a349b13d67c76e3.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-9d41e7cb09eafd8e.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-095194fedb4c0ec4.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-968cf83f088269ec.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e63bbb95a6beff5c.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-9f216e67c2916fa5.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-4688b763605c6a0e.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a9b2dc3244289321.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-003d83a588984e1f.rlib" "-Wl,-Bdynamic" "-lCbcSolver" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/matchmaker-de44ad620c5fef62" "-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" "916f80cda2a0b1da2fc60485c794b80a90bfba990c6c6ab38dfcfc3b2d94ed63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "916f80cda2a0b1da2fc60485c794b80a90bfba990c6c6ab38dfcfc3b2d94ed63", kill_on_drop: false }` [INFO] [stdout] 916f80cda2a0b1da2fc60485c794b80a90bfba990c6c6ab38dfcfc3b2d94ed63