[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#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102
[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] 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] validating manifest of git repo https://github.com/JYudelson1/superposition on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking JYudelson1/superposition against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102
[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] 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] validating manifest of git repo https://github.com/JYudelson1/superposition on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.6.2
[INFO] [stderr]   Downloaded pbkdf2 v0.10.1
[INFO] [stderr]   Downloaded password-hash v0.3.2
[INFO] [stderr]   Downloaded lazy-pbar v0.2.0
[INFO] [stderr]   Downloaded zstd v0.10.2+zstd.1.5.2
[INFO] [stderr]   Downloaded zstd-safe v4.1.6+zstd.1.5.2
[INFO] [stderr]   Downloaded base64ct v1.0.1
[INFO] [stderr]   Downloaded console v0.15.1
[INFO] [stderr]   Downloaded dfdx v0.9.0
[INFO] [stderr]   Downloaded zstd-sys v1.6.3+zstd.1.5.2
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be2e213d9cd4ace9ef9738713e48e3b69480de56175f5de977cc79b2d4d38fc0
[INFO] running `Command { std: "docker" "start" "-a" "be2e213d9cd4ace9ef9738713e48e3b69480de56175f5de977cc79b2d4d38fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be2e213d9cd4ace9ef9738713e48e3b69480de56175f5de977cc79b2d4d38fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2e213d9cd4ace9ef9738713e48e3b69480de56175f5de977cc79b2d4d38fc0", kill_on_drop: false }`
[INFO] [stdout] be2e213d9cd4ace9ef9738713e48e3b69480de56175f5de977cc79b2d4d38fc0
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd1fd92b2a765cee3168d5d13817996fe6962778b08559174d3a7c14f85cef42
[INFO] running `Command { std: "docker" "start" "-a" "dd1fd92b2a765cee3168d5d13817996fe6962778b08559174d3a7c14f85cef42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling zstd-safe v4.1.6+zstd.1.5.2
[INFO] [stderr]     Checking block-buffer v0.10.3
[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]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking password-hash v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]    Compiling dfdx v0.9.0
[INFO] [stderr]     Checking pbkdf2 v0.10.1
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking sha1 v0.10.5
[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 regex v1.6.0
[INFO] [stderr]     Checking atty v0.2.14
[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 time v0.3.14
[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-282fba8247556302/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (715) 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:     0x5f066a77c3d2 - std[1cf432dcf3c5540a]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5f066a77c3d2 - std[1cf432dcf3c5540a]::backtrace_rs::backtrace::trace_unsynchronized::<std[1cf432dcf3c5540a]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5f066a77c3d2 - std[1cf432dcf3c5540a]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5f066a77c3d2 - <<std[1cf432dcf3c5540a]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[2bd7ff09ba185999]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5f066a78fa5a - <core[2bd7ff09ba185999]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5f066a78fa5a - core[2bd7ff09ba185999]::fmt::write
[INFO] [stderr]      6:     0x5f066a7809a6 - std[1cf432dcf3c5540a]::io::default_write_fmt::<std[1cf432dcf3c5540a]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5f066a7809a6 - <std[1cf432dcf3c5540a]::sys::stdio::unix::Stderr as std[1cf432dcf3c5540a]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5f066a7666cf - <std[1cf432dcf3c5540a]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5f066a7666cf - std[1cf432dcf3c5540a]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5f066a777a51 - std[1cf432dcf3c5540a]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5f066a777c0b - std[1cf432dcf3c5540a]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5f066a766788 - std[1cf432dcf3c5540a]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5f066a75b9f9 - std[1cf432dcf3c5540a]::sys::backtrace::__rust_end_short_backtrace::<std[1cf432dcf3c5540a]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5f066a76712d - __rustc[8bd69651f0df715b]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5f066a79016c - core[2bd7ff09ba185999]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5f066a78fee2 - core[2bd7ff09ba185999]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5f066a709005 - build_script_build[1b0ba9e8e559e025]::main
[INFO] [stderr]     18:     0x5f066a70b1b3 - <fn() as core[2bd7ff09ba185999]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5f066a707fc6 - std[1cf432dcf3c5540a]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5f066a708339 - std[1cf432dcf3c5540a]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5f066a777046 - <&dyn core[2bd7ff09ba185999]::ops::function::Fn<(), Output = i32> + core[2bd7ff09ba185999]::panic::unwind_safe::RefUnwindSafe + core[2bd7ff09ba185999]::marker::Sync as core[2bd7ff09ba185999]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5f066a777046 - std[1cf432dcf3c5540a]::panicking::catch_unwind::do_call::<&dyn core[2bd7ff09ba185999]::ops::function::Fn<(), Output = i32> + core[2bd7ff09ba185999]::panic::unwind_safe::RefUnwindSafe + core[2bd7ff09ba185999]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x5f066a777046 - std[1cf432dcf3c5540a]::panicking::catch_unwind::<i32, &dyn core[2bd7ff09ba185999]::ops::function::Fn<(), Output = i32> + core[2bd7ff09ba185999]::panic::unwind_safe::RefUnwindSafe + core[2bd7ff09ba185999]::marker::Sync>
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x5f066a777046 - std[1cf432dcf3c5540a]::panic::catch_unwind::<&dyn core[2bd7ff09ba185999]::ops::function::Fn<(), Output = i32> + core[2bd7ff09ba185999]::panic::unwind_safe::RefUnwindSafe + core[2bd7ff09ba185999]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5f066a777046 - std[1cf432dcf3c5540a]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5f066a777046 - std[1cf432dcf3c5540a]::panicking::catch_unwind::do_call::<std[1cf432dcf3c5540a]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x5f066a777046 - std[1cf432dcf3c5540a]::panicking::catch_unwind::<isize, std[1cf432dcf3c5540a]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5f066a777046 - std[1cf432dcf3c5540a]::panic::catch_unwind::<std[1cf432dcf3c5540a]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5f066a777046 - std[1cf432dcf3c5540a]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/50d7e48beb74b48bd17c3749bfb73843c9ae0166/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5f066a707ea1 - std[1cf432dcf3c5540a]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5f066a70b225 - main
[INFO] [stderr]     32:     0x7fc9d94ba1ca - <unknown>
[INFO] [stderr]     33:     0x7fc9d94ba28b - __libc_start_main
[INFO] [stderr]     34:     0x5f066a707bb5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dd1fd92b2a765cee3168d5d13817996fe6962778b08559174d3a7c14f85cef42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1fd92b2a765cee3168d5d13817996fe6962778b08559174d3a7c14f85cef42", kill_on_drop: false }`
[INFO] [stdout] dd1fd92b2a765cee3168d5d13817996fe6962778b08559174d3a7c14f85cef42
