[INFO] cloning repository https://github.com/JYudelson1/superposition
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JYudelson1/superposition" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJYudelson1%2Fsuperposition", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJYudelson1%2Fsuperposition'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b4cc12c0899664916d8aaeb6c752689cc286879
[INFO] checking JYudelson1/superposition against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJYudelson1%2Fsuperposition" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JYudelson1/superposition on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JYudelson1/superposition
[INFO] finished tweaking git repo https://github.com/JYudelson1/superposition
[INFO] tweaked toml for git repo https://github.com/JYudelson1/superposition written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JYudelson1/superposition already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f4fa45acbe531e7933e304a5785113203d286cc5426e888abc662c48b0dbcbf
[INFO] running `Command { std: "docker" "start" "-a" "8f4fa45acbe531e7933e304a5785113203d286cc5426e888abc662c48b0dbcbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4fa45acbe531e7933e304a5785113203d286cc5426e888abc662c48b0dbcbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4fa45acbe531e7933e304a5785113203d286cc5426e888abc662c48b0dbcbf", kill_on_drop: false }`
[INFO] [stdout] 8f4fa45acbe531e7933e304a5785113203d286cc5426e888abc662c48b0dbcbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdc67ddb9b70a1f523e617da0370776a5cf39bc5576cb97c295824126708378f
[INFO] running `Command { std: "docker" "start" "-a" "bdc67ddb9b70a1f523e617da0370776a5cf39bc5576cb97c295824126708378f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling zstd-safe v4.1.6+zstd.1.5.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling dfdx v0.9.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking password-hash v0.3.2
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking digest v0.10.5
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking lazy-pbar v0.2.0
[INFO] [stderr]     Checking pbkdf2 v0.10.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling superposition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `superposition v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/superposition-751f36a225aaa0f8/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:57:42:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x62dbb7c8d070 - std::backtrace_rs::backtrace::libunwind::trace::hadda5b3c123dc3bb
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x62dbb7c8d070 - std::backtrace_rs::backtrace::trace_unsynchronized::h251baf92d3d99d58
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x62dbb7c8d070 - std::sys::backtrace::_print_fmt::he064a6bd4bc8a74c
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x62dbb7c8d070 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::haf1177ce001c5aba
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x62dbb7caf9e3 - core::fmt::rt::Argument::fmt::h13d92de871fbc7d2
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x62dbb7caf9e3 - core::fmt::write::h1a1a904f0a5a0299
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/core/src/fmt/mod.rs:1449:21
[INFO] [stderr]      6:     0x62dbb7c8a5b3 - std::io::Write::write_fmt::h50a28dda2e43fcfb
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/io/mod.rs:1890:15
[INFO] [stderr]      7:     0x62dbb7c8cec2 - std::sys::backtrace::BacktraceLock::print::h157a5b5bafa82524
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x62dbb7c8de1f - std::panicking::default_hook::{{closure}}::hbf38c704020fd551
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:298:22
[INFO] [stderr]      9:     0x62dbb7c8dc8a - std::panicking::default_hook::h3b53f3f0a8a63ac3
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:325:9
[INFO] [stderr]     10:     0x62dbb7c8e802 - std::panicking::rust_panic_with_hook::h7056095ba66a66e9
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:831:13
[INFO] [stderr]     11:     0x62dbb7c8e58a - std::panicking::begin_panic_handler::{{closure}}::h5cd21fc1f38bc0b5
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:704:13
[INFO] [stderr]     12:     0x62dbb7c8d579 - std::sys::backtrace::__rust_end_short_backtrace::h870aa48417f960ec
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x62dbb7c8e21d - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:695:5
[INFO] [stderr]     14:     0x62dbb7cae470 - core::panicking::panic_fmt::h3be781a2b5cd0694
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x62dbb7cae8e6 - core::result::unwrap_failed::h9e220969a3197ca5
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/core/src/result.rs:1704:5
[INFO] [stderr]     16:     0x62dbb7c24904 - build_script_build::main::h4bf42e1b21b922e8
[INFO] [stderr]     17:     0x62dbb7c22073 - core::ops::function::FnOnce::call_once::h215f5bcc6d846e0f
[INFO] [stderr]     18:     0x62dbb7c21d36 - std::sys::backtrace::__rust_begin_short_backtrace::h6ba9ad3af8d1880b
[INFO] [stderr]     19:     0x62dbb7c21d09 - std::rt::lang_start::{{closure}}::hcbcc9598c7ab66cf
[INFO] [stderr]     20:     0x62dbb7c86fb0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h1e885987d45d34ff
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x62dbb7c86fb0 - std::panicking::try::do_call::h8a97b1757e207774
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:587:40
[INFO] [stderr]     22:     0x62dbb7c86fb0 - std::panicking::try::h92f474ce5157261d
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:550:19
[INFO] [stderr]     23:     0x62dbb7c86fb0 - std::panic::catch_unwind::h90427f977335690d
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panic.rs:358:14
[INFO] [stderr]     24:     0x62dbb7c86fb0 - std::rt::lang_start_internal::{{closure}}::h28c58ffd66de695b
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/rt.rs:168:24
[INFO] [stderr]     25:     0x62dbb7c86fb0 - std::panicking::try::do_call::he6cef74ecc3ff7c6
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:587:40
[INFO] [stderr]     26:     0x62dbb7c86fb0 - std::panicking::try::h6657572b256b949b
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panicking.rs:550:19
[INFO] [stderr]     27:     0x62dbb7c86fb0 - std::panic::catch_unwind::h0a856d006a19410f
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/panic.rs:358:14
[INFO] [stderr]     28:     0x62dbb7c86fb0 - std::rt::lang_start_internal::h10d6e5d37af84b89
[INFO] [stderr]                                  at /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/std/src/rt.rs:164:5
[INFO] [stderr]     29:     0x62dbb7c21cf1 - std::rt::lang_start::hae445724ba0c6fc8
[INFO] [stderr]     30:     0x62dbb7c249e5 - main
[INFO] [stderr]     31:     0x750b27f2dd90 - <unknown>
[INFO] [stderr]     32:     0x750b27f2de40 - __libc_start_main
[INFO] [stderr]     33:     0x62dbb7c212a5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bdc67ddb9b70a1f523e617da0370776a5cf39bc5576cb97c295824126708378f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc67ddb9b70a1f523e617da0370776a5cf39bc5576cb97c295824126708378f", kill_on_drop: false }`
[INFO] [stdout] bdc67ddb9b70a1f523e617da0370776a5cf39bc5576cb97c295824126708378f
