[INFO] crate ntru 0.5.6 is already in cache
[INFO] testing ntru-0.5.6 against 1.38.0 for beta-1.39-1
[INFO] extracting crate ntru 0.5.6 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate ntru 0.5.6 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ntru 0.5.6
[INFO] finished tweaking crates.io crate ntru 0.5.6
[INFO] tweaked toml for crates.io crate ntru 0.5.6 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 661f0c77b77f04e9d61cc1946e1366f9b832ff8d616dc11d46200b27cef41b24
[INFO] running `"docker" "start" "-a" "661f0c77b77f04e9d61cc1946e1366f9b832ff8d616dc11d46200b27cef41b24"`
[INFO] [stderr]    Compiling ntru v0.5.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'gcc::Config': gcc::Config has been renamed to gcc::Build
[INFO] [stderr]    --> build.rs:124:22
[INFO] [stderr]     |
[INFO] [stderr] 124 |     let mut config = gcc::Config::new();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]    --> build.rs:124:22
[INFO] [stderr]     |
[INFO] [stderr] 124 |     let mut config = gcc::Config::new();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `ntru v0.5.6 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/ntru-f088b332949f2446/build-script-build` (exit code: 101)
[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:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55fa65421a0b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55fa65421a0b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55fa65421a0b - std::sys_common::backtrace::_print::hd3382a1f33c473da
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55fa65421a0b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55fa65421a0b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55fa654216e6 - std::panicking::default_hook::h95a8f00337383d83
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55fa6542212d - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55fa65421cb2 - std::panicking::continue_panic_fmt::h25abfbb4e5b7043a
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55fa65421b96 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55fa6543d1ed - core::panicking::panic_fmt::h7e9f94035af782b3
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55fa6543d2e7 - core::result::unwrap_failed::hf7591c1dd9412006
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x55fa653c1670 - core::result::Result<T,E>::unwrap::h63877de5887fac88
[INFO] [stderr]                                at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x55fa653c09d0 - build_script_build::main::h2851a38361e56f32
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:165
[INFO] [stderr]   13:     0x55fa653c15c0 - std::rt::lang_start::{{closure}}::hc14bd908ebca7f00
[INFO] [stderr]                                at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55fa65421b83 - std::rt::lang_start_internal::{{closure}}::h4e93c1949c7a1955
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55fa65421b83 - std::panicking::try::do_call::h9440ccd4dc467eaa
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x55fa65429dca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x55fa6542263d - std::panicking::try::hc046e7ee42ee744f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x55fa6542263d - std::panic::catch_unwind::h27dfc457c200aee0
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x55fa6542263d - std::rt::lang_start_internal::hea1b49a567afe309
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x55fa653c1599 - std::rt::lang_start::hca582b1e09deb8a3
[INFO] [stderr]                                at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55fa653c145a - main
[INFO] [stderr]   22:     0x7f5baf304b97 - __libc_start_main
[INFO] [stderr]   23:     0x55fa653bf36a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "661f0c77b77f04e9d61cc1946e1366f9b832ff8d616dc11d46200b27cef41b24"`
[INFO] running `"docker" "rm" "-f" "661f0c77b77f04e9d61cc1946e1366f9b832ff8d616dc11d46200b27cef41b24"`
[INFO] [stdout] 661f0c77b77f04e9d61cc1946e1366f9b832ff8d616dc11d46200b27cef41b24