[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 master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJYudelson1%2Fsuperposition" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JYudelson1/superposition on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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-0-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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24dc6e1d7f637552ebe3364ecbadb5054bc7b26244478fcd088bc350a18aa36b
[INFO] running `Command { std: "docker" "start" "-a" "24dc6e1d7f637552ebe3364ecbadb5054bc7b26244478fcd088bc350a18aa36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24dc6e1d7f637552ebe3364ecbadb5054bc7b26244478fcd088bc350a18aa36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24dc6e1d7f637552ebe3364ecbadb5054bc7b26244478fcd088bc350a18aa36b", kill_on_drop: false }`
[INFO] [stdout] 24dc6e1d7f637552ebe3364ecbadb5054bc7b26244478fcd088bc350a18aa36b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b58e0c2f1dc139c9442ad726b312fa9667aadfab9330a2165a319849d40ec8d
[INFO] running `Command { std: "docker" "start" "-a" "3b58e0c2f1dc139c9442ad726b312fa9667aadfab9330a2165a319849d40ec8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling zstd-safe v4.1.6+zstd.1.5.2
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking digest v0.10.5
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling dfdx v0.9.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking password-hash v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking pbkdf2 v0.10.1
[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]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking colored v2.0.0
[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 rand_distr v0.4.3
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking lazy-pbar v0.2.0
[INFO] [stderr]     Checking bzip2 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-cd7b4b83b19f84af/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:57:42
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55f06fed0c91 - std::backtrace_rs::backtrace::libunwind::trace::ha9d9de1bf4176bfa
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55f06fed0c91 - std::backtrace_rs::backtrace::trace_unsynchronized::h165c36ef694ada1c
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55f06fed0c91 - std::sys_common::backtrace::_print_fmt::h4d89c7ce1e89b43d
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x55f06fed0c91 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfc68e8a2f3b7b37c
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55f06fef1b6f - core::fmt::rt::Argument::fmt::hc7dd5538f3de21b7
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/fmt/rt.rs:138:9
[INFO] [stderr]      5:     0x55f06fef1b6f - core::fmt::write::hac9705ca9b43c249
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/fmt/mod.rs:1094:21
[INFO] [stderr]      6:     0x55f06fecef41 - std::io::Write::write_fmt::h7bc9466b47d6774b
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/io/mod.rs:1713:15
[INFO] [stderr]      7:     0x55f06fed0aa5 - std::sys_common::backtrace::_print::h03072469d8150f3e
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55f06fed0aa5 - std::sys_common::backtrace::print::hd0f67791f02b87ae
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55f06fed1e27 - std::panicking::default_hook::{{closure}}::h7c8ccb2c703d1528
[INFO] [stderr]     10:     0x55f06fed1c14 - std::panicking::default_hook::h770c31d58b53801e
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:288:9
[INFO] [stderr]     11:     0x55f06fed22dc - std::panicking::rust_panic_with_hook::hb50e58c42f5187f2
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:705:13
[INFO] [stderr]     12:     0x55f06fed21d7 - std::panicking::begin_panic_handler::{{closure}}::h4d6093b91efbd52e
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:597:13
[INFO] [stderr]     13:     0x55f06fed10c6 - std::sys_common::backtrace::__rust_end_short_backtrace::h318963d1ef4510cb
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:151:18
[INFO] [stderr]     14:     0x55f06fed1f22 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:593:5
[INFO] [stderr]     15:     0x55f06fe662f3 - core::panicking::panic_fmt::h6ce9f4b93775846b
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/panicking.rs:67:14
[INFO] [stderr]     16:     0x55f06fe66883 - core::result::unwrap_failed::h45c53cbae19f42f6
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/result.rs:1651:5
[INFO] [stderr]     17:     0x55f06fe6946b - core::result::Result<T,E>::unwrap::h2bb2a1966cd1fcd4
[INFO] [stderr]     18:     0x55f06fe68d22 - build_script_build::main::h722c6ea1cfe0e466
[INFO] [stderr]     19:     0x55f06fe679d3 - core::ops::function::FnOnce::call_once::h6635c934ddf8fba7
[INFO] [stderr]     20:     0x55f06fe67976 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc2e3d2b7b482eb65
[INFO] [stderr]     21:     0x55f06fe67959 - std::rt::lang_start::{{closure}}::h6b0d9632e9764a6a
[INFO] [stderr]     22:     0x55f06fecbd15 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb332f02ff9fc81e2
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x55f06fecbd15 - std::panicking::try::do_call::hed879afea606d968
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:500:40
[INFO] [stderr]     24:     0x55f06fecbd15 - std::panicking::try::h395a878f3e4bd2f0
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:464:19
[INFO] [stderr]     25:     0x55f06fecbd15 - std::panic::catch_unwind::hb44b6ea043448d57
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panic.rs:142:14
[INFO] [stderr]     26:     0x55f06fecbd15 - std::rt::lang_start_internal::{{closure}}::h6184ba9e5b3e5fbf
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x55f06fecbd15 - std::panicking::try::do_call::h8b2c97d4d3608274
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:500:40
[INFO] [stderr]     28:     0x55f06fecbd15 - std::panicking::try::hfa4cc536e097f1fe
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:464:19
[INFO] [stderr]     29:     0x55f06fecbd15 - std::panic::catch_unwind::ha3e2192625bb4844
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panic.rs:142:14
[INFO] [stderr]     30:     0x55f06fecbd15 - std::rt::lang_start_internal::hbd6687884d030770
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x55f06fe67937 - std::rt::lang_start::h1e9d10bcf13ffb2a
[INFO] [stderr]     32:     0x55f06fe68db5 - main
[INFO] [stderr]     33:     0x7f883d054d90 - <unknown>
[INFO] [stderr]     34:     0x7f883d054e40 - __libc_start_main
[INFO] [stderr]     35:     0x55f06fe66b05 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3b58e0c2f1dc139c9442ad726b312fa9667aadfab9330a2165a319849d40ec8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b58e0c2f1dc139c9442ad726b312fa9667aadfab9330a2165a319849d40ec8d", kill_on_drop: false }`
[INFO] [stdout] 3b58e0c2f1dc139c9442ad726b312fa9667aadfab9330a2165a319849d40ec8d
