[INFO] crate parallel 0.11.3 is already in cache [INFO] extracting crate parallel 0.11.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/parallel/0.11.3 [INFO] extracting crate parallel 0.11.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/parallel/0.11.3 [INFO] validating manifest of parallel-0.11.3 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of parallel-0.11.3 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing parallel-0.11.3 [INFO] finished frobbing parallel-0.11.3 [INFO] frobbed toml for parallel-0.11.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/parallel/0.11.3/Cargo.toml [INFO] started frobbing parallel-0.11.3 [INFO] finished frobbing parallel-0.11.3 [INFO] frobbed toml for parallel-0.11.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/parallel/0.11.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing parallel-0.11.3 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/parallel/0.11.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 4aa69286491331e7e53674308268c11da1b06ea26a45541639cef9c0d9da6bd9 [INFO] running `"docker" "start" "-a" "4aa69286491331e7e53674308268c11da1b06ea26a45541639cef9c0d9da6bd9"` [INFO] [stderr] Compiling odds v0.2.26 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling numtoa v0.0.7 [INFO] [stderr] Compiling permutate v0.3.2 [INFO] [stderr] Compiling smallvec v0.4.5 [INFO] [stderr] Compiling sys-info v0.4.1 [INFO] [stderr] Compiling wait-timeout v0.1.5 [INFO] [stderr] Compiling arrayvec v0.3.25 [INFO] [stderr] Compiling parallel v0.11.3 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:242:9 [INFO] [stderr] | [INFO] [stderr] 242 | /// Prints messages from executed commands in the correct order. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 243 | let errors = execute::receive_messages(input_rx, args, &base_path, &processed_path, &errors_path); [INFO] [stderr] | -------------------------------------------------------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:245:9 [INFO] [stderr] | [INFO] [stderr] 245 | /// Wait for all threads to exit before proceeding. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 246 | for thread in threads { thread.join().unwrap(); } [INFO] [stderr] | ------------------------------------------------- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/arguments/mod.rs:378:25 [INFO] [stderr] | [INFO] [stderr] 378 | let parse_line: Box) -> io::Result> = [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(io::Result) -> io::Result` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/execute/dry.rs:26:26 [INFO] [stderr] | [INFO] [stderr] 26 | let pipe_action: Box = if flags & arguments::SHELL_QUOTE != 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut StdoutLock, &str)` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/arguments/mod.rs:553:9 [INFO] [stderr] | [INFO] [stderr] 553 | let mut append_list = &mut Vec::new(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/execute/exec_commands.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let mut command_buffer = &mut String::with_capacity(64); [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/execute/pipe.rs:41:17 [INFO] [stderr] | [INFO] [stderr] 41 | let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child"); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [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/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.parallel.c8nivtg2-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7" "/opt/crater/target/debug/deps/parallel-27cb2735f5f6c4d7.1nofsi0h26t1szng.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/sys-info-a665e6868398b521/out" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libwait_timeout-26cd6e52200ae5f6.rlib" "/opt/crater/target/debug/deps/libtime-29b9853d922d9d06.rlib" "/opt/crater/target/debug/deps/libsys_info-98c4a15ee62dcb9c.rlib" "/opt/crater/target/debug/deps/libsmallvec-0ab50f66eca0327e.rlib" "/opt/crater/target/debug/deps/libpermutate-2777625b4ff93707.rlib" "/opt/crater/target/debug/deps/libnum_cpus-509d1090a02489e2.rlib" "/opt/crater/target/debug/deps/liblibc-d019039477cac03b.rlib" "/opt/crater/target/debug/deps/libnumtoa-cb41bdbe4681423c.rlib" "/opt/crater/target/debug/deps/libitoa-4ba6695a0e6b4a3c.rlib" "/opt/crater/target/debug/deps/libarrayvec-d7530329612ebe68.rlib" "/opt/crater/target/debug/deps/libnodrop-74c675a7937a424c.rlib" "/opt/crater/target/debug/deps/libodds-5702b23b8adc6783.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /opt/crater/target/debug/deps/libsys_info-98c4a15ee62dcb9c.rlib(sys_info-98c4a15ee62dcb9c.sys_info.7r01ndjc-cgu.3.rcgu.o): In function `sys_info::mem_info': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sys-info-0.4.1/lib.rs:219: undefined reference to `get_mem_info' [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `parallel`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4aa69286491331e7e53674308268c11da1b06ea26a45541639cef9c0d9da6bd9"` [INFO] running `"docker" "rm" "-f" "4aa69286491331e7e53674308268c11da1b06ea26a45541639cef9c0d9da6bd9"` [INFO] [stdout] 4aa69286491331e7e53674308268c11da1b06ea26a45541639cef9c0d9da6bd9