[INFO] cloning repository https://github.com/aisamanra/xargo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aisamanra/xargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisamanra%2Fxargo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisamanra%2Fxargo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b67abf8c1ad5e129618117715a10acf8aacadf6d [INFO] testing aisamanra/xargo against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisamanra%2Fxargo" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aisamanra/xargo 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/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-3/source/Cargo.toml [INFO] crate git repo https://github.com/aisamanra/xargo 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4a5a5827edce4cfe24aae8178e33fd9ecba3c8dd2f4a4a7b77c9fc3b12ecfa98 [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" "4a5a5827edce4cfe24aae8178e33fd9ecba3c8dd2f4a4a7b77c9fc3b12ecfa98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a5a5827edce4cfe24aae8178e33fd9ecba3c8dd2f4a4a7b77c9fc3b12ecfa98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a5a5827edce4cfe24aae8178e33fd9ecba3c8dd2f4a4a7b77c9fc3b12ecfa98", kill_on_drop: false }` [INFO] [stdout] 4a5a5827edce4cfe24aae8178e33fd9ecba3c8dd2f4a4a7b77c9fc3b12ecfa98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c6656e784f99c5ccff0c9a55f103feb4dea11b94b8e5153d7aca1ce8a13a1c8f [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" "c6656e784f99c5ccff0c9a55f103feb4dea11b94b8e5153d7aca1ce8a13a1c8f", kill_on_drop: false }` [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 xargo v0.3.8 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde v0.8.21 [INFO] [stderr] Compiling walkdir v1.0.3 [INFO] [stderr] Compiling fs2 v0.4.1 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling toml v0.2.1 [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] [stdout] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments` [INFO] [stdout] --> src/errors.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | #![allow(unused_doc_comment)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/flock.rs:149:11 [INFO] [stdout] | [INFO] [stdout] 149 | try: &Fn() -> io::Result<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/flock.rs:150:13 [INFO] [stdout] | [INFO] [stdout] 150 | block: &Fn() -> io::Result<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/xargo.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | env::home_dir() [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [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/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.xargo.1g418uuf-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae" "/opt/rustwide/target/debug/deps/xargo-a195769ed0a978ae.41rxyotpkafqazfi.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/libwalkdir-d58f71993a4eff53.rlib" "/opt/rustwide/target/debug/deps/libtoml-7bd6ea4efe003163.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-7773646ab5fc1c03.rlib" "/opt/rustwide/target/debug/deps/libtempdir-0db2b84cd1f8e82d.rlib" "/opt/rustwide/target/debug/deps/librand-3a5f024b2f753d15.rlib" "/opt/rustwide/target/debug/deps/libserde_json-3da42d1a899be19f.rlib" "/opt/rustwide/target/debug/deps/libdtoa-f05e143d61744246.rlib" "/opt/rustwide/target/debug/deps/libitoa-4a17580248fab703.rlib" "/opt/rustwide/target/debug/deps/libserde-0e82443451527c7d.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-63f0f1ad7c20e381.rlib" "/opt/rustwide/target/debug/deps/librustc_version-ec317c40bcdad6f5.rlib" "/opt/rustwide/target/debug/deps/libsemver-46c8e1a95c462f15.rlib" "/opt/rustwide/target/debug/deps/libfs2-9368be9457b02965.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-d1916e8562a40be9.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-d552da53795dc1f0.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-29f737cc3af5cd2d.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-d552da53795dc1f0.rlib(backtrace-d552da53795dc1f0.backtrace.6usqvy0o-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-d552da53795dc1f0.rlib(backtrace-d552da53795dc1f0.backtrace.6usqvy0o-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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `xargo` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "c6656e784f99c5ccff0c9a55f103feb4dea11b94b8e5153d7aca1ce8a13a1c8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6656e784f99c5ccff0c9a55f103feb4dea11b94b8e5153d7aca1ce8a13a1c8f", kill_on_drop: false }` [INFO] [stdout] c6656e784f99c5ccff0c9a55f103feb4dea11b94b8e5153d7aca1ce8a13a1c8f