[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-1.38-1/sources/1.37.0/reg/spawn-task-port/0.1.1
[INFO] extracting crate spawn-task-port 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/spawn-task-port/0.1.1
[INFO] validating manifest of spawn-task-port-0.1.1 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 spawn-task-port-0.1.1 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/spawn-task-port/0.1.1/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 spawn-task-port-0.1.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 96239b332b0f1bfa664bf94936c4fd0ef11fe1c77c24f42f5650156a278ad6a5
[INFO] running `"docker" "start" "-a" "96239b332b0f1bfa664bf94936c4fd0ef11fe1c77c24f42f5650156a278ad6a5"`
[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] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]    --> src/lib.rs:115:26
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let child = self.before_exec(move || {
[INFO] [stderr]     |                          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `"docker" "inspect" "96239b332b0f1bfa664bf94936c4fd0ef11fe1c77c24f42f5650156a278ad6a5"`
[INFO] running `"docker" "rm" "-f" "96239b332b0f1bfa664bf94936c4fd0ef11fe1c77c24f42f5650156a278ad6a5"`
[INFO] [stdout] 96239b332b0f1bfa664bf94936c4fd0ef11fe1c77c24f42f5650156a278ad6a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 37dbd78f7746025227a74a5e3e4bd281292250ea32091252dea0e5a6dc12d0d1
[INFO] running `"docker" "start" "-a" "37dbd78f7746025227a74a5e3e4bd281292250ea32091252dea0e5a6dc12d0d1"`
[INFO] [stderr]    Compiling docmatic v0.1.2
[INFO] [stderr]    Compiling spawn-task-port v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]    --> src/lib.rs:115:26
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let child = self.before_exec(move || {
[INFO] [stderr]     |                          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[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/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.test.b8j4ut5g-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9" "/opt/crater/target/debug/deps/test-eb982557dffc2dc9.5d23cqmblmhkjk0n.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-d5ae900bfde9750d/out" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-f0d86b2ef6410e4f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-28a84d78fba0104f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-625008d0a6744ece.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-b85c11af396739da.rlib" "/opt/crater/target/debug/deps/libspawn_task_port-67cdbf480606f738.rlib" "/opt/crater/target/debug/deps/libuuid-c7042007c66db0c4.rlib" "/opt/crater/target/debug/deps/librand-5eda43279f0ef45c.rlib" "/opt/crater/target/debug/deps/librand-7efbcbd89944bda6.rlib" "/opt/crater/target/debug/deps/libmach-7d68996c8f2d5aa1.rlib" "/opt/crater/target/debug/deps/liblibc-37f3d1c853b3b7bd.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.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-eb982557dffc2dc9.test.b8j4ut5g-cgu.4.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-67cdbf480606f738.rlib(spawn_task_port-67cdbf480606f738.spawn_task_port.1qrlqu9j-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-67cdbf480606f738.rlib(spawn_task_port-67cdbf480606f738.spawn_task_port.1qrlqu9j-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-67cdbf480606f738.rlib(spawn_task_port-67cdbf480606f738.spawn_task_port.1qrlqu9j-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" "37dbd78f7746025227a74a5e3e4bd281292250ea32091252dea0e5a6dc12d0d1"`
[INFO] running `"docker" "rm" "-f" "37dbd78f7746025227a74a5e3e4bd281292250ea32091252dea0e5a6dc12d0d1"`
[INFO] [stdout] 37dbd78f7746025227a74a5e3e4bd281292250ea32091252dea0e5a6dc12d0d1