[INFO] cloning repository race-lang/race
[INFO] running `"git" "clone" "--bare" "git://github.com/race-lang/race.git" "work/cache/sources/gh/race-lang/race"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/race-lang/race'...
[INFO] running `"git" "clone" "work/cache/sources/gh/race-lang/race" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/race-lang/race"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/race-lang/race'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/race-lang/race" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/race-lang/race"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/race-lang/race'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a9341619dbe7c019b1e89886d1e08144c78fa1e7
[INFO] sha for GitHub repo race-lang/race: a9341619dbe7c019b1e89886d1e08144c78fa1e7
[INFO] validating manifest of race-lang/race on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of race-lang/race on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing race-lang/race
[INFO] finished frobbing race-lang/race
[INFO] frobbed toml for race-lang/race written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/race-lang/race/Cargo.toml
[INFO] started frobbing race-lang/race
[INFO] finished frobbing race-lang/race
[INFO] frobbed toml for race-lang/race written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/race-lang/race/Cargo.toml
[INFO] crate race-lang/race already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/race-lang/race/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing race-lang/race against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/race-lang/race:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 0c8d3b9c9a3c5ac2cc1da37de2a244ef791f806a9d47ac2f011b5573ef4cdbdb
[INFO] running `"docker" "start" "-a" "0c8d3b9c9a3c5ac2cc1da37de2a244ef791f806a9d47ac2f011b5573ef4cdbdb"`
[INFO] [stderr]    Compiling errno v0.1.8
[INFO] [stderr]    Compiling vergen v0.1.1
[INFO] [stderr]    Compiling rl-sys v0.5.2
[INFO] [stderr] error: failed to run custom build command for `rl-sys v0.5.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/rl-sys-05f03e952dde5bf4/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] ./configure: line 1888: config.log: Read-only file system
[INFO] [stderr] ./configure: line 1898: config.log: Read-only file system
[INFO] [stderr] thread 'main' panicked at 'assertion failed: cmd.stdout(Stdio::inherit()).stderr(Stdio::inherit()).status().unwrap().success()', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rl-sys-0.5.2/build.rs:73:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55c4c89a510b - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55c4c89a510b - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55c4c89a510b - std::sys_common::backtrace::_print::hd27175ce39811176
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55c4c89a510b - std::sys_common::backtrace::print::h117e2eebf9a1e122
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55c4c89a510b - std::panicking::default_hook::{{closure}}::h6369b988ee675335
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55c4c89a4e0c - std::panicking::default_hook::hfaefd2bea4c25f9e
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55c4c89a57d0 - std::panicking::rust_panic_with_hook::h02c52718165ccced
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55c4c898b5a8 - std::panicking::begin_panic::h01574e9d5619c6f7
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x55c4c893cb42 - build_script_build::run::hcd01b59310c14939
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rl-sys-0.5.2/build.rs:73
[INFO] [stderr]    9:     0x55c4c893c668 - build_script_build::build_readline::hbb9b5f53f424eabe
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rl-sys-0.5.2/build.rs:60
[INFO] [stderr]   10:     0x55c4c893c10d - build_script_build::main::heb5d736ba4f46806
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rl-sys-0.5.2/build.rs:41
[INFO] [stderr]   11:     0x55c4c893b140 - std::rt::lang_start::{{closure}}::h5fe2201f3d7d0f85
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55c4c89a5223 - std::rt::lang_start_internal::{{closure}}::hcbc5c8394111530e
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   13:     0x55c4c89a5223 - std::panicking::try::do_call::h84c4ef65129422bb
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   14:     0x55c4c89accfa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15:     0x55c4c89a5cdd - std::panicking::try::h2c4ddfbb8ee8ea48
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   16:     0x55c4c89a5cdd - std::panic::catch_unwind::hdaf4c8aaf8d806d4
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   17:     0x55c4c89a5cdd - std::rt::lang_start_internal::h62b0fb13d258520d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   18:     0x55c4c893b119 - std::rt::lang_start::hd7fe9abe89efb7cd
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/rt.rs:64
[INFO] [stderr]   19:     0x55c4c893cb7a - main
[INFO] [stderr]   20:     0x7ff4efaf82e1 - __libc_start_main
[INFO] [stderr]   21:     0x55c4c893a7ca - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "0c8d3b9c9a3c5ac2cc1da37de2a244ef791f806a9d47ac2f011b5573ef4cdbdb"`
[INFO] running `"docker" "rm" "-f" "0c8d3b9c9a3c5ac2cc1da37de2a244ef791f806a9d47ac2f011b5573ef4cdbdb"`
[INFO] [stdout] 0c8d3b9c9a3c5ac2cc1da37de2a244ef791f806a9d47ac2f011b5573ef4cdbdb