[INFO] cloning repository https://github.com/lemonrock/sass-alt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lemonrock/sass-alt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flemonrock%2Fsass-alt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flemonrock%2Fsass-alt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 493fa8ba2ecb87aa749653260c4bdee08b3c4ab5
[INFO] checking lemonrock/sass-alt against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flemonrock%2Fsass-alt" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lemonrock/sass-alt on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lemonrock/sass-alt
[INFO] finished tweaking git repo https://github.com/lemonrock/sass-alt
[INFO] tweaked toml for git repo https://github.com/lemonrock/sass-alt written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/lemonrock/sass-alt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 97ae54ea66b985bd8d0ba6184b0a58cef21157b33a4898e7c9cfb6dda80d5210
[INFO] running `Command { std: "docker" "start" "-a" "97ae54ea66b985bd8d0ba6184b0a58cef21157b33a4898e7c9cfb6dda80d5210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97ae54ea66b985bd8d0ba6184b0a58cef21157b33a4898e7c9cfb6dda80d5210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ae54ea66b985bd8d0ba6184b0a58cef21157b33a4898e7c9cfb6dda80d5210", kill_on_drop: false }`
[INFO] [stdout] 97ae54ea66b985bd8d0ba6184b0a58cef21157b33a4898e7c9cfb6dda80d5210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 789188bce5e87252e85acb539eef9b1eb878127695d4ff15bf11a8f2ff7e9e4a
[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" "789188bce5e87252e85acb539eef9b1eb878127695d4ff15bf11a8f2ff7e9e4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]    Compiling sass-sys v0.4.3
[INFO] [stderr] error: failed to run custom build command for `sass-sys v0.4.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/sass-sys-3e1f21faccf97c35/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   fatal: not a git repository (or any parent up to mount point /opt/rustwide)
[INFO] [stderr]   Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
[INFO] [stderr]   thread 'main' panicked at 'Build error:
[INFO] [stderr]   STDERR:mkdir: cannot create directory 'lib': Read-only file system
[INFO] [stderr]   make: *** [Makefile:231: lib] Error 1
[INFO] [stderr] 
[INFO] [stderr]   STDOUT:mkdir lib
[INFO] [stderr]   ', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sass-sys-0.4.3/build.rs:43:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5641ef9469bc - std::backtrace_rs::backtrace::libunwind::trace::h2ab374bc2a3b7023
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5641ef9469bc - std::backtrace_rs::backtrace::trace_unsynchronized::h128cb5178b04dc46
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5641ef9469bc - std::sys_common::backtrace::_print_fmt::h5344f9eefca2041f
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5641ef9469bc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h213003bc5c7acf04
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5641ef9653dc - core::fmt::write::h78bf85fc3e93663f
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/fmt/mod.rs:1126:17
[INFO] [stderr]      5:     0x5641ef943ab5 - std::io::Write::write_fmt::he619515c888f21a5
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x5641ef9481f0 - std::sys_common::backtrace::_print::hf706674f77848203
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5641ef9481f0 - std::sys_common::backtrace::print::hf0b6c7a88804ec56
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5641ef9481f0 - std::panicking::default_hook::{{closure}}::h2dde766cd83a333a
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x5641ef947da7 - std::panicking::default_hook::h501e3b2e134eb149
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x5641ef9488a4 - std::panicking::rust_panic_with_hook::hc09e869c4cf00885
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x5641ef948380 - std::panicking::begin_panic_handler::{{closure}}::hc2c6d70142458fc8
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:521:13
[INFO] [stderr]     12:     0x5641ef946e64 - std::sys_common::backtrace::__rust_end_short_backtrace::had58f7c459a1cd6e
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5641ef9482e9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x5641ef90eb5b - std::panicking::begin_panic_fmt::h72e1f9ab89522086
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:460:5
[INFO] [stderr]     15:     0x5641ef91048a - build_script_build::compile::hd9f18f393bf39e1a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sass-sys-0.4.3/build.rs:43:9
[INFO] [stderr]     16:     0x5641ef910897 - build_script_build::main::h979400d6c1c6665c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sass-sys-0.4.3/build.rs:91:5
[INFO] [stderr]     17:     0x5641ef910a6b - core::ops::function::FnOnce::call_once::hd7de78b0e95454a3
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x5641ef90fdbe - std::sys_common::backtrace::__rust_begin_short_backtrace::h0a801d986b24b8a9
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x5641ef910dd1 - std::rt::lang_start::{{closure}}::hf60d55e7bedb09f9
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:64:18
[INFO] [stderr]     20:     0x5641ef948daa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hab43eb8ec758341e
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x5641ef948daa - std::panicking::try::do_call::hb667fefd650e964d
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:403:40
[INFO] [stderr]     22:     0x5641ef948daa - std::panicking::try::hc279775c9409768d
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:367:19
[INFO] [stderr]     23:     0x5641ef948daa - std::panic::catch_unwind::hbe8b6ecc84f73073
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panic.rs:133:14
[INFO] [stderr]     24:     0x5641ef948daa - std::rt::lang_start_internal::{{closure}}::hb04fdaef496a162b
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:46:48
[INFO] [stderr]     25:     0x5641ef948daa - std::panicking::try::do_call::habca359de051411d
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:403:40
[INFO] [stderr]     26:     0x5641ef948daa - std::panicking::try::h24c556a6948e0937
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:367:19
[INFO] [stderr]     27:     0x5641ef948daa - std::panic::catch_unwind::h58075d47f5a308d8
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panic.rs:133:14
[INFO] [stderr]     28:     0x5641ef948daa - std::rt::lang_start_internal::h3d20dc1537d76758
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:46:20
[INFO] [stderr]     29:     0x5641ef910da0 - std::rt::lang_start::hd31c8deec7211d95
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:63:17
[INFO] [stderr]     30:     0x5641ef9109ec - main
[INFO] [stderr]     31:     0x7ff0ba1ea0b3 - __libc_start_main
[INFO] [stderr]     32:     0x5641ef90f8de - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "789188bce5e87252e85acb539eef9b1eb878127695d4ff15bf11a8f2ff7e9e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "789188bce5e87252e85acb539eef9b1eb878127695d4ff15bf11a8f2ff7e9e4a", kill_on_drop: false }`
[INFO] [stdout] 789188bce5e87252e85acb539eef9b1eb878127695d4ff15bf11a8f2ff7e9e4a