[INFO] cloning repository https://github.com/mrityunjaygr8/rust_on_nails
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrityunjaygr8/rust_on_nails" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrityunjaygr8%2Frust_on_nails", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrityunjaygr8%2Frust_on_nails'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6711f8a6c2539d68ec702f05c940bef4eda63a80
[INFO] checking mrityunjaygr8/rust_on_nails against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrityunjaygr8%2Frust_on_nails" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/mrityunjaygr8/rust_on_nails
[INFO] finished tweaking git repo https://github.com/mrityunjaygr8/rust_on_nails
[INFO] tweaked toml for git repo https://github.com/mrityunjaygr8/rust_on_nails written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mrityunjaygr8/rust_on_nails on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mrityunjaygr8/rust_on_nails 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98f485efb33d64f8c765830e6d955c3da51e640962d5fddfa6ced0c8e3004a83
[INFO] running `Command { std: "docker" "start" "-a" "98f485efb33d64f8c765830e6d955c3da51e640962d5fddfa6ced0c8e3004a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98f485efb33d64f8c765830e6d955c3da51e640962d5fddfa6ced0c8e3004a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f485efb33d64f8c765830e6d955c3da51e640962d5fddfa6ced0c8e3004a83", kill_on_drop: false }`
[INFO] [stdout] 98f485efb33d64f8c765830e6d955c3da51e640962d5fddfa6ced0c8e3004a83
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c2da308cdfeb3081e3a4a7fef82d6f24f0d9b430ce097b09893e010d3883563
[INFO] running `Command { std: "docker" "start" "-a" "6c2da308cdfeb3081e3a4a7fef82d6f24f0d9b430ce097b09893e010d3883563", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling async-trait v0.1.72
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling rustls v0.21.6
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking retain_mut v0.1.9
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling db v0.1.0 (/opt/rustwide/workdir/crates/db)
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr] error: failed to run custom build command for `db v0.1.0 (/opt/rustwide/workdir/crates/db)`
[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/db-8b9c57a9f561aff7/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at crates/db/build.rs:15:46:
[INFO] [stderr]   called `Option::unwrap()` on a `None` value
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5b42120eb2a2 - std::backtrace_rs::backtrace::libunwind::trace::h35697ee4eba130ce
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5b42120eb2a2 - std::backtrace_rs::backtrace::trace_unsynchronized::h821d82358390ef61
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5b42120eb2a2 - std::sys::backtrace::_print_fmt::h9158bc717d508a77
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5b42120eb2a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5ed0d80c0838d532
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5b421210a713 - core::fmt::rt::Argument::fmt::h1fe7174bba1b124b
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5b421210a713 - core::fmt::write::hb2c60dfec63532e6
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5b42120e89e3 - std::io::default_write_fmt::h6bc575c69608f4bf
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5b42120e89e3 - std::io::Write::write_fmt::h7d885d72495c944f
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5b42120eb0f2 - std::sys::backtrace::BacktraceLock::print::h4bc25f9b1002918e
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5b42120ec173 - std::panicking::default_hook::{{closure}}::h692acb67e5838edc
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x5b42120ebf55 - std::panicking::default_hook::h6d7f5243a6b747a3
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5b42120eca45 - std::panicking::rust_panic_with_hook::hb10a8b2fbcdc8429
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5b42120ec8a6 - std::panicking::begin_panic_handler::{{closure}}::hba6753e2258c3ca5
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x5b42120eb799 - std::sys::backtrace::__rust_end_short_backtrace::h2cb272d2e7861977
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5b42120ec56d - __rustc[eab4d5e6b70a8ffe]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5b42121099e0 - core::panicking::panic_fmt::hf5fc61f5edac1f66
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5b4212109a6c - core::panicking::panic::h4dcd106beee8ce1a
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/panicking.rs:145:5
[INFO] [stderr]     17:     0x5b4212109959 - core::option::unwrap_failed::h9beef42345b5fb7b
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/option.rs:2130:5
[INFO] [stderr]     18:     0x5b42120c51cd - build_script_build::cornucopia::h1b95be137a7392fb
[INFO] [stderr]     19:     0x5b42120c5046 - build_script_build::main::hcccb6fe366e9466d
[INFO] [stderr]     20:     0x5b42120c23c3 - core::ops::function::FnOnce::call_once::hbae2aaabde632b57
[INFO] [stderr]     21:     0x5b42120c1f06 - std::sys::backtrace::__rust_begin_short_backtrace::h0216c30354050d80
[INFO] [stderr]     22:     0x5b42120c1dc9 - std::rt::lang_start::{{closure}}::h8a83280d0b25fe28
[INFO] [stderr]     23:     0x5b42120e55e0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h66ad6720703f8ea1
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     24:     0x5b42120e55e0 - std::panicking::catch_unwind::do_call::he2b21b35195f1300
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:589:40
[INFO] [stderr]     25:     0x5b42120e55e0 - std::panicking::catch_unwind::hc26ac766233d7e02
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:552:19
[INFO] [stderr]     26:     0x5b42120e55e0 - std::panic::catch_unwind::h8b08d739cff46c9c
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5b42120e55e0 - std::rt::lang_start_internal::{{closure}}::h45fb10f5cf038da2
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5b42120e55e0 - std::panicking::catch_unwind::do_call::h9dd91bad151f329c
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:589:40
[INFO] [stderr]     29:     0x5b42120e55e0 - std::panicking::catch_unwind::h4a013f3afc17f233
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:552:19
[INFO] [stderr]     30:     0x5b42120e55e0 - std::panic::catch_unwind::h402a508eeeb80b75
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5b42120e55e0 - std::rt::lang_start_internal::h310eb6ed8a66b615
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5b42120c1db1 - std::rt::lang_start::hebebb7c48030bcd2
[INFO] [stderr]     33:     0x5b42120c5715 - main
[INFO] [stderr]     34:     0x7b3a327811ca - <unknown>
[INFO] [stderr]     35:     0x7b3a3278128b - __libc_start_main
[INFO] [stderr]     36:     0x5b42120c0f25 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6c2da308cdfeb3081e3a4a7fef82d6f24f0d9b430ce097b09893e010d3883563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2da308cdfeb3081e3a4a7fef82d6f24f0d9b430ce097b09893e010d3883563", kill_on_drop: false }`
[INFO] [stdout] 6c2da308cdfeb3081e3a4a7fef82d6f24f0d9b430ce097b09893e010d3883563
