[INFO] crate spawn-task-port 0.1.1 is already in cache
[INFO] extracting crate spawn-task-port 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/spawn-task-port/0.1.1
[INFO] extracting crate spawn-task-port 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/spawn-task-port/0.1.1
[INFO] validating manifest of spawn-task-port-0.1.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of spawn-task-port-0.1.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing spawn-task-port-0.1.1
[INFO] finished frobbing spawn-task-port-0.1.1
[INFO] frobbed toml for spawn-task-port-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/spawn-task-port/0.1.1/Cargo.toml
[INFO] started frobbing spawn-task-port-0.1.1
[INFO] finished frobbing spawn-task-port-0.1.1
[INFO] frobbed toml for spawn-task-port-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/spawn-task-port/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing spawn-task-port-0.1.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/spawn-task-port/0.1.1:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 54cf22c84b0266dc5f3229ded5695bc0edf296510dad9e8dbbfa079bc2b61bfc
[INFO] running `"docker" "start" "-a" "54cf22c84b0266dc5f3229ded5695bc0edf296510dad9e8dbbfa079bc2b61bfc"`
[INFO] [stderr]    Compiling mach v0.1.2
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling spawn-task-port v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `"docker" "inspect" "54cf22c84b0266dc5f3229ded5695bc0edf296510dad9e8dbbfa079bc2b61bfc"`
[INFO] running `"docker" "rm" "-f" "54cf22c84b0266dc5f3229ded5695bc0edf296510dad9e8dbbfa079bc2b61bfc"`
[INFO] [stdout] 54cf22c84b0266dc5f3229ded5695bc0edf296510dad9e8dbbfa079bc2b61bfc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/spawn-task-port/0.1.1:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a5e38be55844330ba01cba6bf99146fd50f2eeb4823dbd55a32ce0f1f74a7d9d
[INFO] running `"docker" "start" "-a" "a5e38be55844330ba01cba6bf99146fd50f2eeb4823dbd55a32ce0f1f74a7d9d"`
[INFO] [stderr]    Compiling docmatic v0.1.2
[INFO] [stderr]    Compiling spawn-task-port v0.1.1 (/opt/crater/workdir)
[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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c" "/opt/crater/target/debug/deps/test-6cd34a674715ad4c.5d21e0l0qez9oha7.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/backtrace-sys-46319fa5dea5f4c2/out" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-e8fbf0b14816ca0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-c9d91925876437f2.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-50d6bab7df588609.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-913b30c2987aa8da.rlib" "/opt/crater/target/debug/deps/libspawn_task_port-36727c6f5d4958cd.rlib" "/opt/crater/target/debug/deps/libuuid-9df1a5bb531608b2.rlib" "/opt/crater/target/debug/deps/librand-7173874d3e26156a.rlib" "/opt/crater/target/debug/deps/librand-00e4c4fa1088f68e.rlib" "/opt/crater/target/debug/deps/libmach-1ab4c913d4cb6923.rlib" "/opt/crater/target/debug/deps/liblibc-e3ba75b536aabfa5.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/test-6cd34a674715ad4c.test.dyas6u65-cgu.3.rcgu.o: In function `test::test_process_pid':
[INFO] [stderr]           /opt/crater/workdir/tests/test.rs:39: undefined reference to `pid_for_task'
[INFO] [stderr]           /opt/crater/target/debug/deps/libspawn_task_port-36727c6f5d4958cd.rlib(spawn_task_port-36727c6f5d4958cd.spawn_task_port.22gaz98v-cgu.0.rcgu.o): In function `<std::process::Command as spawn_task_port::CommandSpawnWithTask>::spawn_get_task_port':
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:93: undefined reference to `mach_task_self'
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:93: undefined reference to `mach_port_allocate'
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:97: undefined reference to `mach_task_self'
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:97: undefined reference to `mach_port_insert_right'
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:109: undefined reference to `mach_task_self'
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:109: undefined reference to `task_get_special_port'
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:112: undefined reference to `bootstrap_register2'
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:153: undefined reference to `mach_msg'
[INFO] [stderr]           /opt/crater/target/debug/deps/libspawn_task_port-36727c6f5d4958cd.rlib(spawn_task_port-36727c6f5d4958cd.spawn_task_port.22gaz98v-cgu.2.rcgu.o): In function `<spawn_task_port::MachPort as core::ops::drop::Drop>::drop':
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:46: undefined reference to `mach_task_self'
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:46: undefined reference to `mach_port_deallocate'
[INFO] [stderr]           /opt/crater/target/debug/deps/libspawn_task_port-36727c6f5d4958cd.rlib(spawn_task_port-36727c6f5d4958cd.spawn_task_port.22gaz98v-cgu.2.rcgu.o): In function `<std::process::Command as spawn_task_port::CommandSpawnWithTask>::spawn_get_task_port::{{closure}}':
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:120: undefined reference to `mach_task_self'
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:120: undefined reference to `task_get_special_port'
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:125: undefined reference to `bootstrap_look_up'
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:139: undefined reference to `mach_task_self'
[INFO] [stderr]           /opt/crater/workdir/src/lib.rs:142: undefined reference to `mach_msg_send'
[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 `spawn-task-port`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a5e38be55844330ba01cba6bf99146fd50f2eeb4823dbd55a32ce0f1f74a7d9d"`
[INFO] running `"docker" "rm" "-f" "a5e38be55844330ba01cba6bf99146fd50f2eeb4823dbd55a32ce0f1f74a7d9d"`
[INFO] [stdout] a5e38be55844330ba01cba6bf99146fd50f2eeb4823dbd55a32ce0f1f74a7d9d