[INFO] cloning repository https://github.com/ghotiphud/pg_proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ghotiphud/pg_proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghotiphud%2Fpg_proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghotiphud%2Fpg_proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0489f84ddfedbce215375d27a2b1ae8fa30e262c
[INFO] testing ghotiphud/pg_proxy against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghotiphud%2Fpg_proxy" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ghotiphud/pg_proxy on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ghotiphud/pg_proxy
[INFO] finished tweaking git repo https://github.com/ghotiphud/pg_proxy
[INFO] tweaked toml for git repo https://github.com/ghotiphud/pg_proxy written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ghotiphud/pg_proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cafa1c1da381c30632871207a214cfc63efbb14a8164a0ef5f6778de69b3591c
[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" "cafa1c1da381c30632871207a214cfc63efbb14a8164a0ef5f6778de69b3591c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cafa1c1da381c30632871207a214cfc63efbb14a8164a0ef5f6778de69b3591c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cafa1c1da381c30632871207a214cfc63efbb14a8164a0ef5f6778de69b3591c", kill_on_drop: false }`
[INFO] [stdout] cafa1c1da381c30632871207a214cfc63efbb14a8164a0ef5f6778de69b3591c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db06a48066f74abd1a4babaa35e6b3e2f5e036daf2bfd0ce70d3e08671bd506a
[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" "db06a48066f74abd1a4babaa35e6b3e2f5e036daf2bfd0ce70d3e08671bd506a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling md5 v0.2.1
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling fallible-iterator v0.1.3
[INFO] [stderr]    Compiling futures v0.1.6
[INFO] [stderr]    Compiling postgres-protocol v0.1.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling error-chain v0.7.1
[INFO] [stderr]    Compiling dotenv v0.8.0
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling mio v0.6.1
[INFO] [stderr]    Compiling tokio-core v0.1.1
[INFO] [stderr]    Compiling pg_proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / error_chain! { 
[INFO] [stdout] 7  | |     // Automatic conversions between this error chain and other
[INFO] [stdout] 8  | |     // error types not defined by the `error_chain!`. These will be
[INFO] [stdout] 9  | |     // wrapped in a new error with, in this case, the
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / error_chain! { 
[INFO] [stdout] 7  | |     // Automatic conversions between this error chain and other
[INFO] [stdout] 8  | |     // error types not defined by the `error_chain!`. These will be
[INFO] [stdout] 9  | |     // wrapped in a new error with, in this case, the
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / error_chain! { 
[INFO] [stdout] 7  | |     // Automatic conversions between this error chain and other
[INFO] [stdout] 8  | |     // error types not defined by the `error_chain!`. These will be
[INFO] [stdout] 9  | |     // wrapped in a new error with, in this case, the
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.pg_proxy.dpcesdab-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f" "/opt/rustwide/target/debug/deps/pg_proxy-84f8827a035b293f.ufg32pjj5303pz3.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libpostgres_protocol-069cd0620f48492d.rlib" "/opt/rustwide/target/debug/deps/libmd5-37e955804d77c0e5.rlib" "/opt/rustwide/target/debug/deps/libhex-96020d50cf6f81ec.rlib" "/opt/rustwide/target/debug/deps/libfallible_iterator-2b7855c4d228d3cd.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-b75c165152fc07ab.rlib" "/opt/rustwide/target/debug/deps/libtokio_core-5fd353a103492776.rlib" "/opt/rustwide/target/debug/deps/libscoped_tls-d24affb4ce0074c5.rlib" "/opt/rustwide/target/debug/deps/libmio-725644ad29c6d2c0.rlib" "/opt/rustwide/target/debug/deps/libnix-851ab7b1e44bd7db.rlib" "/opt/rustwide/target/debug/deps/libvoid-90ec4b4a2f3d40d2.rlib" "/opt/rustwide/target/debug/deps/libbitflags-07daebe67b2b1ddf.rlib" "/opt/rustwide/target/debug/deps/libslab-e83a44f3e278e1e9.rlib" "/opt/rustwide/target/debug/deps/libnet2-ee243c69fb2205e8.rlib" "/opt/rustwide/target/debug/deps/liblazycell-51027136bde0b7e5.rlib" "/opt/rustwide/target/debug/deps/libfutures-86f6f5c587618ed7.rlib" "/opt/rustwide/target/debug/deps/libdotenv-16a72bf77e0a44e3.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-4b74651b6b86b0c0.rlib" "/opt/rustwide/target/debug/deps/libregex-b3fe5bf685a0daf2.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-fb8365ae1d572763.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-0c1978a6494a135e.rlib" "/opt/rustwide/target/debug/deps/libthread_local-bdd9e9fef91c838f.rlib" "/opt/rustwide/target/debug/deps/libthread_id-0cd514b5dc0f40a8.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-994f9397299d0c6e.rlib" "/opt/rustwide/target/debug/deps/libmemchr-0bffd4a8f4eb266d.rlib" "/opt/rustwide/target/debug/deps/liblog-b29534f32a76d481.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-02532eebb4fa346f.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-71df17dcb80d2c8a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-937ce378531859dd.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-e71d3c01f8ad1f0e.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-167bc1d41d73014a.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-f8300490526c9a2c.rlib" "/opt/rustwide/target/debug/deps/libwinapi-4302359dfd2c100e.rlib" "/opt/rustwide/target/debug/deps/libkernel32-931d226f257ec229.rlib" "/opt/rustwide/target/debug/deps/liblibc-a76d7346d57fec24.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-71df17dcb80d2c8a.rlib(backtrace-71df17dcb80d2c8a.backtrace.80p6yqbi-cgu.13.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-71df17dcb80d2c8a.rlib(backtrace-71df17dcb80d2c8a.backtrace.80p6yqbi-cgu.13.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo'
[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 `pg_proxy`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "db06a48066f74abd1a4babaa35e6b3e2f5e036daf2bfd0ce70d3e08671bd506a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db06a48066f74abd1a4babaa35e6b3e2f5e036daf2bfd0ce70d3e08671bd506a", kill_on_drop: false }`
[INFO] [stdout] db06a48066f74abd1a4babaa35e6b3e2f5e036daf2bfd0ce70d3e08671bd506a