[INFO] updating cached repository rust-lang-nursery/polonius
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rust-lang-nursery/polonius
[INFO] [stderr]  * branch                  HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-lang-nursery/polonius" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/rust-lang-nursery/polonius"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/rust-lang-nursery/polonius'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-lang-nursery/polonius" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/rust-lang-nursery/polonius"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/rust-lang-nursery/polonius'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ecafafba28e4903b9fe7a7df19b87d97541c3c62
[INFO] sha for GitHub repo rust-lang-nursery/polonius: ecafafba28e4903b9fe7a7df19b87d97541c3c62
[INFO] validating manifest of rust-lang-nursery/polonius on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-lang-nursery/polonius on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-lang-nursery/polonius
[INFO] removed workspace from rust-lang-nursery/polonius
[INFO] removed path dependency polonius-engine from rust-lang-nursery/polonius
[INFO] removed path dependency polonius-parser from rust-lang-nursery/polonius
[INFO] finished frobbing rust-lang-nursery/polonius
[INFO] frobbed toml for rust-lang-nursery/polonius written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/rust-lang-nursery/polonius/Cargo.toml
[INFO] started frobbing rust-lang-nursery/polonius
[INFO] removed workspace from rust-lang-nursery/polonius
[INFO] removed path dependency polonius-engine from rust-lang-nursery/polonius
[INFO] removed path dependency polonius-parser from rust-lang-nursery/polonius
[INFO] finished frobbing rust-lang-nursery/polonius
[INFO] frobbed toml for rust-lang-nursery/polonius written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/rust-lang-nursery/polonius/Cargo.toml
[INFO] crate rust-lang-nursery/polonius already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/rust-lang-nursery/polonius/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rust-lang-nursery/polonius against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/rust-lang-nursery/polonius:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 196ae468877bcb7fca607211d6376267a27e340c1e7e7d55a2f4859a0eed972b
[INFO] running `"docker" "start" "-a" "196ae468877bcb7fca607211d6376267a27e340c1e7e7d55a2f4859a0eed972b"`
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling lalrpop-util v0.15.2
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling ena v0.5.0
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]     Checking datafrog v2.0.1
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling atty v0.1.2
[INFO] [stderr]     Checking polonius-engine v0.6.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling lalrpop-snap v0.15.2
[INFO] [stderr]    Compiling lalrpop v0.15.2
[INFO] [stderr]    Compiling polonius-parser v0.2.0
[INFO] [stderr] error: failed to run custom build command for `polonius-parser v0.2.0`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/polonius-parser-9f5a71727d3c8569/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] processing file `/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/polonius-parser-0.2.0/src/parser.lalrpop`
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x56360c6e47f3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h805294fd9a8a1853
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x56360c6e04cb - std::sys_common::backtrace::_print::h563674885828f2f5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x56360c6e3616 - std::panicking::default_hook::{{closure}}::ha80a0fc374ac4513
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x56360c6e33a9 - std::panicking::default_hook::h22bb6d1b97092339
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x56360c6e3cbf - std::panicking::rust_panic_with_hook::hb430545a95762309
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x56360c6e3841 - std::panicking::continue_panic_fmt::h5eaf2c376dcf553f
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x56360c6e3725 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x56360c6f92ac - core::panicking::panic_fmt::ha3c82b3c8b41a4ff
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x56360bc8aea4 - core::result::unwrap_failed::hc8e48c827ccbe511
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x56360bc8af4f - core::result::Result<T,E>::unwrap::h57450fc5cfffd41c
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x56360bc8ac62 - build_script_build::main::h0f45ffd1f0e27790
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/polonius-parser-0.2.0/build.rs:4
[INFO] [stderr]   11:     0x56360bc8b2ff - std::rt::lang_start::{{closure}}::h1a296c9051d90283
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x56360c6e36c2 - std::panicking::try::do_call::h1f09ded7f50c84d3
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x56360c6e6b89 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x56360c6e41cc - std::rt::lang_start_internal::hf27f440d51809051
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x56360bc8b2d8 - std::rt::lang_start::h3dec586b0b7315dd
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x56360bc8ac99 - main
[INFO] [stderr]   17:     0x7fd2eebe72e0 - __libc_start_main
[INFO] [stderr]   18:     0x56360bc8aac9 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "196ae468877bcb7fca607211d6376267a27e340c1e7e7d55a2f4859a0eed972b"`
[INFO] running `"docker" "rm" "-f" "196ae468877bcb7fca607211d6376267a27e340c1e7e7d55a2f4859a0eed972b"`
[INFO] [stdout] 196ae468877bcb7fca607211d6376267a27e340c1e7e7d55a2f4859a0eed972b