[INFO] cloning repository https://github.com/reshane/bsrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reshane/bsrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freshane%2Fbsrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freshane%2Fbsrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2586b3c5feac9480571d855b4cc9ee3ed68c3026
[INFO] checking reshane/bsrs against try#4e55a504843955c97eb06907c71f6f3e99208021 for pr-146978
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freshane%2Fbsrs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/reshane/bsrs
[INFO] finished tweaking git repo https://github.com/reshane/bsrs
[INFO] tweaked toml for git repo https://github.com/reshane/bsrs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/reshane/bsrs on toolchain 4e55a504843955c97eb06907c71f6f3e99208021
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/reshane/bsrs 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" "+4e55a504843955c97eb06907c71f6f3e99208021" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2830eee683f0813a04758d8584a87a5939c0f3f9cb686ac7eb0a48729bd6402b
[INFO] running `Command { std: "docker" "start" "-a" "2830eee683f0813a04758d8584a87a5939c0f3f9cb686ac7eb0a48729bd6402b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2830eee683f0813a04758d8584a87a5939c0f3f9cb686ac7eb0a48729bd6402b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2830eee683f0813a04758d8584a87a5939c0f3f9cb686ac7eb0a48729bd6402b", kill_on_drop: false }`
[INFO] [stdout] 2830eee683f0813a04758d8584a87a5939c0f3f9cb686ac7eb0a48729bd6402b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7b60e9a0447c484e5cc391e525f9707f4bd263e4582686d62c6be3d76a6b18c
[INFO] running `Command { std: "docker" "start" "-a" "c7b60e9a0447c484e5cc391e525f9707f4bd263e4582686d62c6be3d76a6b18c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling bsrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `bsrs 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/bsrs-0ed025e29d57fc68/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/data/names.json
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (183) panicked at scripts/build.rs:73:7:
[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:     0x563d07124052 - std::backtrace_rs::backtrace::libunwind::trace::h74dc0fe5780b2f3d
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x563d07124052 - std::backtrace_rs::backtrace::trace_unsynchronized::h576f28a05b20dc88
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x563d07124052 - std::sys::backtrace::_print_fmt::hcc5d7b65ec8fb00c
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x563d07124052 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h01f5e47092c429ff
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x563d071331af - core::fmt::rt::Argument::fmt::h57696ac05f8f8878
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x563d071331af - core::fmt::write::h80f9c6652f9bffe1
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x563d07101c33 - std::io::default_write_fmt::ha7ceb57d752ede13
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x563d07101c33 - std::io::Write::write_fmt::h6d62bb6ee33ca684
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x563d071072d2 - std::sys::backtrace::BacktraceLock::print::h9c4f80a89e3bc291
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x563d07108d4c - std::panicking::default_hook::{{closure}}::h97aa1ea197bc13d9
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x563d07108ba6 - std::panicking::default_hook::h4b5877fe2db03cf7
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x563d07109325 - std::panicking::panic_with_hook::h9abfe90a9f3f5982
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x563d071091ba - std::panicking::panic_handler::{{closure}}::hcb040fa1df51ab3f
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x563d07107409 - std::sys::backtrace::__rust_end_short_backtrace::hc49f0fff7ff7d48e
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x563d070f65fd - __rustc[2dbcfd8833382b7a]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x563d07136850 - core::panicking::panic_fmt::h2a937dceb4d375dc
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x563d07135ef6 - core::result::unwrap_failed::hfe97d042660b58aa
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/core/src/result.rs:1862:5
[INFO] [stderr]     17:     0x563d070e155f - build_script_build::main::hcfbadf212238652f
[INFO] [stderr]     18:     0x563d070e1ea3 - core::ops::function::FnOnce::call_once::h372639029e912010
[INFO] [stderr]     19:     0x563d070e1cb6 - std::sys::backtrace::__rust_begin_short_backtrace::hbf7b7d3c6e0d5403
[INFO] [stderr]     20:     0x563d070e1c89 - std::rt::lang_start::{{closure}}::h44691200b3a084f2
[INFO] [stderr]     21:     0x563d07103330 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8a00ff1e6bd12ff4
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x563d07103330 - std::panicking::catch_unwind::do_call::hd2466c80a1fb2555
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x563d07103330 - std::panicking::catch_unwind::h9f731af66ea6ce51
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x563d07103330 - std::panic::catch_unwind::he44edd2ceb24ccce
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x563d07103330 - std::rt::lang_start_internal::{{closure}}::he211b0cb0a38f7ee
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x563d07103330 - std::panicking::catch_unwind::do_call::h626211ba0ec6f9dc
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x563d07103330 - std::panicking::catch_unwind::hf7e27156295d7442
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x563d07103330 - std::panic::catch_unwind::h9af06de087ed3ae9
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x563d07103330 - std::rt::lang_start_internal::h2404cfd681c9b541
[INFO] [stderr]                                  at /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x563d070e1c71 - std::rt::lang_start::hce77d1e432c6a23a
[INFO] [stderr]     31:     0x563d070e4345 - main
[INFO] [stderr]     32:     0x7fd5396241ca - <unknown>
[INFO] [stderr]     33:     0x7fd53962428b - __libc_start_main
[INFO] [stderr]     34:     0x563d070e0605 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c7b60e9a0447c484e5cc391e525f9707f4bd263e4582686d62c6be3d76a6b18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b60e9a0447c484e5cc391e525f9707f4bd263e4582686d62c6be3d76a6b18c", kill_on_drop: false }`
[INFO] [stdout] c7b60e9a0447c484e5cc391e525f9707f4bd263e4582686d62c6be3d76a6b18c