[INFO] updating cached repository https://github.com/aisamanra/xargo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b67abf8c1ad5e129618117715a10acf8aacadf6d
[INFO] testing aisamanra/xargo against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisamanra%2Fxargo" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aisamanra/xargo on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aisamanra/xargo
[INFO] finished tweaking git repo https://github.com/aisamanra/xargo
[INFO] tweaked toml for git repo https://github.com/aisamanra/xargo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/aisamanra/xargo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31ccd8e54199695ffede589bc19823948aa0a985302a9cb2d2544ce8bfe7268b
[INFO] running `"docker" "start" "-a" "31ccd8e54199695ffede589bc19823948aa0a985302a9cb2d2544ce8bfe7268b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling xargo v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling walkdir v1.0.3
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling fs2 v0.4.1
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
[INFO] [stderr]  --> src/errors.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![allow(unused_doc_comment)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/flock.rs:149:11
[INFO] [stderr]     |
[INFO] [stderr] 149 |     try: &Fn() -> io::Result<()>,
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/main.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/flock.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |     block: &Fn() -> io::Result<()>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/xargo.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         env::home_dir()
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/main.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[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/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.xargo.3iy0uh2o-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3" "/opt/rustwide/target/debug/deps/xargo-c5eade780a3f0bf3.2fepw1pm9myjl1gi.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libwalkdir-b3f56390d700de3b.rlib" "/opt/rustwide/target/debug/deps/libtoml-a15567151377cdc8.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-d796f2965a33046d.rlib" "/opt/rustwide/target/debug/deps/libtempdir-08de455423d84300.rlib" "/opt/rustwide/target/debug/deps/librand-66fef5e2e11636b1.rlib" "/opt/rustwide/target/debug/deps/libserde_json-dc8cb8c517ef0f31.rlib" "/opt/rustwide/target/debug/deps/libdtoa-7f92b95de9f8eb8d.rlib" "/opt/rustwide/target/debug/deps/libitoa-1cb00ba1bd3e6f52.rlib" "/opt/rustwide/target/debug/deps/libserde-c94118c201943214.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-284b69b7a091a638.rlib" "/opt/rustwide/target/debug/deps/librustc_version-dfeff77f96791b08.rlib" "/opt/rustwide/target/debug/deps/libsemver-4dcffc6af41f078d.rlib" "/opt/rustwide/target/debug/deps/libfs2-06339dbcab225b54.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-d840b50f9adbc67c.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-07c85a0991306bfc.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-423a1b6267d899c8.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-5f0f306243e61a8b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3dcacc2bfae7a974.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-43c975612ef38fb1.rlib" "/opt/rustwide/target/debug/deps/libwinapi-3ed1ade76b4e589e.rlib" "/opt/rustwide/target/debug/deps/libkernel32-bc8c56ff8a2657a9.rlib" "/opt/rustwide/target/debug/deps/liblibc-12bf9a4dada2fe41.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-205127404fcba336.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a657948fb7763780.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4af901391177f653.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9bdd51edf637d1e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-df9a9630b2ea2e1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-fddbfe63d5cc9339.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dc1fcc6e43806791.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e2f4bff19e00107e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a152d13c1d7ed405.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d92b841792fc008d.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a64c249515c023f5.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57654524b3e40c00.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-72180f1527a726a2.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-990cc8f4a91a3ab4.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-07c85a0991306bfc.rlib(backtrace-07c85a0991306bfc.backtrace.dfvllskz-cgu.15.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stderr]           /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] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-07c85a0991306bfc.rlib(backtrace-07c85a0991306bfc.backtrace.dfvllskz-cgu.15.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stderr]           /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] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `xargo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "31ccd8e54199695ffede589bc19823948aa0a985302a9cb2d2544ce8bfe7268b"`
[INFO] running `"docker" "rm" "-f" "31ccd8e54199695ffede589bc19823948aa0a985302a9cb2d2544ce8bfe7268b"`
[INFO] [stdout] 31ccd8e54199695ffede589bc19823948aa0a985302a9cb2d2544ce8bfe7268b