[INFO] fetching crate sfmt-sys 0.1.0...
[INFO] checking sfmt-sys-0.1.0 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate sfmt-sys 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sfmt-sys 0.1.0 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sfmt-sys 0.1.0
[INFO] finished tweaking crates.io crate sfmt-sys 0.1.0
[INFO] tweaked toml for crates.io crate sfmt-sys 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2e8a0cddc39f0ac8b40e42830440bcb1f9402eb365541b789750ccc650f359f
[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" "d2e8a0cddc39f0ac8b40e42830440bcb1f9402eb365541b789750ccc650f359f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2e8a0cddc39f0ac8b40e42830440bcb1f9402eb365541b789750ccc650f359f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e8a0cddc39f0ac8b40e42830440bcb1f9402eb365541b789750ccc650f359f", kill_on_drop: false }`
[INFO] [stdout] d2e8a0cddc39f0ac8b40e42830440bcb1f9402eb365541b789750ccc650f359f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] dca0bd7c84a947e935c7b3a2789845f8ed88223c833d60cf0ee2322058bb3b11
[INFO] running `Command { std: "docker" "start" "-a" "dca0bd7c84a947e935c7b3a2789845f8ed88223c833d60cf0ee2322058bb3b11", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfmt-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `sfmt-sys v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/sfmt-sys-2459b2192aaf4df1/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   tar: This does not look like a tar archive
[INFO] [stderr] 
[INFO] [stderr]   gzip: stdin: unexpected end of file
[INFO] [stderr]   tar: Child returned status 1
[INFO] [stderr]   tar: Error is not recoverable: exiting now
[INFO] [stderr]   thread 'main' panicked at 'Failed to expand archive', build.rs:29:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x562a22797275 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x562a22797275 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x562a22797275 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x562a22797275 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x562a227b912c - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x562a227946e2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x562a227996b0 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x562a227996b0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x562a227996b0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x562a227993fc - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x562a22799cf3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x562a22781585 - std::panicking::begin_panic::h30a74463f112db87
[INFO] [stderr]                                  at /rustc/cfbc6d4cf1acbac5c025acf8ed68929caa551df3/src/libstd/panicking.rs:456
[INFO] [stderr]     12:     0x562a2278616b - build_script_build::expand::h3d38c94401cbc0fd
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:29
[INFO] [stderr]     13:     0x562a22786b37 - build_script_build::main::h7e7893d50b0e58c5
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:64
[INFO] [stderr]     14:     0x562a2278c01b - std::rt::lang_start::{{closure}}::ha3765feb32dee4c6
[INFO] [stderr]                                  at /rustc/cfbc6d4cf1acbac5c025acf8ed68929caa551df3/src/libstd/rt.rs:67
[INFO] [stderr]     15:     0x562a2279a0c3 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     16:     0x562a2279a0c3 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     17:     0x562a2279a0c3 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     18:     0x562a2279a0c3 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     19:     0x562a2279a0c3 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     20:     0x562a2278bff7 - std::rt::lang_start::h1ea9cc68267e4d32
[INFO] [stderr]                                  at /rustc/cfbc6d4cf1acbac5c025acf8ed68929caa551df3/src/libstd/rt.rs:67
[INFO] [stderr]     21:     0x562a2278721a - main
[INFO] [stderr]     22:     0x7f30847f70b3 - __libc_start_main
[INFO] [stderr]     23:     0x562a2277c17e - _start
[INFO] [stderr]     24:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "dca0bd7c84a947e935c7b3a2789845f8ed88223c833d60cf0ee2322058bb3b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca0bd7c84a947e935c7b3a2789845f8ed88223c833d60cf0ee2322058bb3b11", kill_on_drop: false }`
[INFO] [stdout] dca0bd7c84a947e935c7b3a2789845f8ed88223c833d60cf0ee2322058bb3b11
