[INFO] crate sfmt-sys 0.1.0 is already in cache
[INFO] extracting crate sfmt-sys 0.1.0 into work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/sfmt-sys/0.1.0
[INFO] extracting crate sfmt-sys 0.1.0 into work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/sfmt-sys/0.1.0
[INFO] validating manifest of sfmt-sys-0.1.0 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sfmt-sys-0.1.0 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sfmt-sys-0.1.0
[INFO] finished frobbing sfmt-sys-0.1.0
[INFO] frobbed toml for sfmt-sys-0.1.0 written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/sfmt-sys/0.1.0/Cargo.toml
[INFO] started frobbing sfmt-sys-0.1.0
[INFO] finished frobbing sfmt-sys-0.1.0
[INFO] frobbed toml for sfmt-sys-0.1.0 written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/sfmt-sys/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sfmt-sys-0.1.0 against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-2/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/sfmt-sys/0.1.0:/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=forbid" "-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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fb66eae29e05014c30248499818d4c27a4c3dc0c13cb3836a3c3c5a418243875
[INFO] running `"docker" "start" "-a" "fb66eae29e05014c30248499818d4c27a4c3dc0c13cb3836a3c3c5a418243875"`
[INFO] [stderr]    Compiling sfmt-sys v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `sfmt-sys v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/sfmt-sys-9cdd759c5b614bed/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:     0x55dd8c4066f3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h260d4c0e2f408eb2
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
[INFO] [stderr]    1:     0x55dd8c402838 - std::sys_common::backtrace::_print::haf396c0678f53b2b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:72
[INFO] [stderr]    2:     0x55dd8c405732 - std::panicking::default_hook::{{closure}}::h4d65fe898c4f8bfe
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]    3:     0x55dd8c4054a4 - std::panicking::default_hook::h5e4dd45998673f99
[INFO] [stderr]                                at src/libstd/panicking.rs:225
[INFO] [stderr]    4:     0x55dd8c405d90 - std::panicking::rust_panic_with_hook::h3fe420eceabd8fc3
[INFO] [stderr]                                at src/libstd/panicking.rs:488
[INFO] [stderr]    5:     0x55dd8c3f7ac3 - std::panicking::begin_panic::ha65712a761a64ca9
[INFO] [stderr]                                at /rustc/adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/src/libstd/panicking.rs:422
[INFO] [stderr]    6:     0x55dd8c3f32fa - build_script_build::expand::hb49efca29f21af75
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:29
[INFO] [stderr]    7:     0x55dd8c3f3cd4 - build_script_build::main::he63033162e2deb27
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:64
[INFO] [stderr]    8:     0x55dd8c3f79af - std::rt::lang_start::{{closure}}::h23e7ab412998f495
[INFO] [stderr]                                at /rustc/adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/src/libstd/rt.rs:74
[INFO] [stderr]    9:     0x55dd8c4057e2 - std::panicking::try::do_call::h0fcdffb283af302a
[INFO] [stderr]                                at src/libstd/rt.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:307
[INFO] [stderr]   10:     0x55dd8c4178c9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:102
[INFO] [stderr]   11:     0x55dd8c406163 - std::rt::lang_start_internal::hb9575e41c0ded3e6
[INFO] [stderr]                                at src/libstd/panicking.rs:286
[INFO] [stderr]                                at src/libstd/panic.rs:398
[INFO] [stderr]                                at src/libstd/rt.rs:58
[INFO] [stderr]   12:     0x55dd8c3f7988 - std::rt::lang_start::hc3f534b7b582d65f
[INFO] [stderr]                                at /rustc/adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/src/libstd/rt.rs:74
[INFO] [stderr]   13:     0x55dd8c3f43a9 - main
[INFO] [stderr]   14:     0x7fc39586b2e0 - __libc_start_main
[INFO] [stderr]   15:     0x55dd8c3e6b39 - _start
[INFO] [stderr]   16:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "fb66eae29e05014c30248499818d4c27a4c3dc0c13cb3836a3c3c5a418243875"`
[INFO] running `"docker" "rm" "-f" "fb66eae29e05014c30248499818d4c27a4c3dc0c13cb3836a3c3c5a418243875"`
[INFO] [stdout] fb66eae29e05014c30248499818d4c27a4c3dc0c13cb3836a3c3c5a418243875