[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#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJYudelson1%2Fsuperposition" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JYudelson1/superposition on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "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-tc1/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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy-pbar v0.2.0
[INFO] [stderr]   Downloaded dfdx v0.9.0
[INFO] [stderr]   Downloaded console v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81e8f313fef8bc84adc5fd21fbefe988ef670c90f7f096ef117f7faee65d9e95
[INFO] running `Command { std: "docker" "start" "-a" "81e8f313fef8bc84adc5fd21fbefe988ef670c90f7f096ef117f7faee65d9e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81e8f313fef8bc84adc5fd21fbefe988ef670c90f7f096ef117f7faee65d9e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e8f313fef8bc84adc5fd21fbefe988ef670c90f7f096ef117f7faee65d9e95", kill_on_drop: false }`
[INFO] [stdout] 81e8f313fef8bc84adc5fd21fbefe988ef670c90f7f096ef117f7faee65d9e95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae5d839102b3beb526491c975094fdf6b6d231002648a3e90896e91328287f88
[INFO] running `Command { std: "docker" "start" "-a" "ae5d839102b3beb526491c975094fdf6b6d231002648a3e90896e91328287f88", 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]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling zstd-safe v4.1.6+zstd.1.5.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[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]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking num_threads v0.1.6
[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 flate2 v1.0.24
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling dfdx v0.9.0
[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 console v0.15.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking password-hash v0.3.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking rand v0.8.5
[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 indicatif v0.16.2
[INFO] [stderr]     Checking digest v0.10.5
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking lazy-pbar v0.2.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking pbkdf2 v0.10.1
[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 toml v0.5.9
[INFO] [stderr]     Checking bzip2 v0.4.3
[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:     0x5bbea3b6f080 - std::backtrace_rs::backtrace::libunwind::trace::h00ed8f7a49b23656
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5bbea3b6f080 - std::backtrace_rs::backtrace::trace_unsynchronized::hb9a616e2fc1d376f
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5bbea3b6f080 - std::sys::backtrace::_print_fmt::h7db298e83a256d29
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5bbea3b6f080 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hd1ae340659526716
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5bbea3b919f3 - core::fmt::rt::Argument::fmt::hac01a348e20ee70d
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5bbea3b919f3 - core::fmt::write::hc504a50407028ef6
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/core/src/fmt/mod.rs:1449:21
[INFO] [stderr]      6:     0x5bbea3b6c5c3 - std::io::Write::write_fmt::ha00ae9415040e09a
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/io/mod.rs:1890:15
[INFO] [stderr]      7:     0x5bbea3b6eed2 - std::sys::backtrace::BacktraceLock::print::h6f3c8a163b5a5ba5
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5bbea3b6fe2f - std::panicking::default_hook::{{closure}}::h4661160df59af739
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:298:22
[INFO] [stderr]      9:     0x5bbea3b6fc9a - std::panicking::default_hook::h79b0b0cb5c9a45eb
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:325:9
[INFO] [stderr]     10:     0x5bbea3b70812 - std::panicking::rust_panic_with_hook::he8f5885f4873cada
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:831:13
[INFO] [stderr]     11:     0x5bbea3b7059a - std::panicking::begin_panic_handler::{{closure}}::hce5053f4756cff33
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:704:13
[INFO] [stderr]     12:     0x5bbea3b6f599 - std::sys::backtrace::__rust_end_short_backtrace::h634718bdeca7b4fe
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x5bbea3b7022d - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:695:5
[INFO] [stderr]     14:     0x5bbea3b90480 - core::panicking::panic_fmt::h0e90de0256284326
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x5bbea3b908f6 - core::result::unwrap_failed::h5fc58cd3e583ac28
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/core/src/result.rs:1704:5
[INFO] [stderr]     16:     0x5bbea3b06914 - build_script_build::main::h5cc3dc92254dec60
[INFO] [stderr]     17:     0x5bbea3b040c3 - core::ops::function::FnOnce::call_once::hde19adf65a7cd836
[INFO] [stderr]     18:     0x5bbea3b03d46 - std::sys::backtrace::__rust_begin_short_backtrace::h2a5088495ca47bc2
[INFO] [stderr]     19:     0x5bbea3b03d19 - std::rt::lang_start::{{closure}}::h804cb4fd425d5d55
[INFO] [stderr]     20:     0x5bbea3b68fc0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h1b551c6ace84f634
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x5bbea3b68fc0 - std::panicking::try::do_call::hcda773f48bd80f09
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:587:40
[INFO] [stderr]     22:     0x5bbea3b68fc0 - std::panicking::try::h225c38e862182721
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:550:19
[INFO] [stderr]     23:     0x5bbea3b68fc0 - std::panic::catch_unwind::h6eb4a99877840d20
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panic.rs:358:14
[INFO] [stderr]     24:     0x5bbea3b68fc0 - std::rt::lang_start_internal::{{closure}}::h64597ebca62f6e02
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/rt.rs:168:24
[INFO] [stderr]     25:     0x5bbea3b68fc0 - std::panicking::try::do_call::ha3630280e291428a
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:587:40
[INFO] [stderr]     26:     0x5bbea3b68fc0 - std::panicking::try::h13d8cfc120ae8ff3
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:550:19
[INFO] [stderr]     27:     0x5bbea3b68fc0 - std::panic::catch_unwind::h9b1225c928e48a40
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panic.rs:358:14
[INFO] [stderr]     28:     0x5bbea3b68fc0 - std::rt::lang_start_internal::h27f44511957e98ab
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/rt.rs:164:5
[INFO] [stderr]     29:     0x5bbea3b03d01 - std::rt::lang_start::h629ff0116bb2fb1e
[INFO] [stderr]     30:     0x5bbea3b069f5 - main
[INFO] [stderr]     31:     0x7212a9af4d90 - <unknown>
[INFO] [stderr]     32:     0x7212a9af4e40 - __libc_start_main
[INFO] [stderr]     33:     0x5bbea3b032b5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ae5d839102b3beb526491c975094fdf6b6d231002648a3e90896e91328287f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5d839102b3beb526491c975094fdf6b6d231002648a3e90896e91328287f88", kill_on_drop: false }`
[INFO] [stdout] ae5d839102b3beb526491c975094fdf6b6d231002648a3e90896e91328287f88
