[INFO] cloning repository https://github.com/lpenz/codingame-the-labyrinth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lpenz/codingame-the-labyrinth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flpenz%2Fcodingame-the-labyrinth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flpenz%2Fcodingame-the-labyrinth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c6c4567d6ffcabb8d01f82fef3ee2cdb617f995
[INFO] documenting lpenz/codingame-the-labyrinth against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flpenz%2Fcodingame-the-labyrinth" "/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/lpenz/codingame-the-labyrinth on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lpenz/codingame-the-labyrinth
[INFO] finished tweaking git repo https://github.com/lpenz/codingame-the-labyrinth
[INFO] tweaked toml for git repo https://github.com/lpenz/codingame-the-labyrinth written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lpenz/codingame-the-labyrinth 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_toml v0.12.4
[INFO] [stderr]   Downloaded rustsourcebundler v0.10.2
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f356889da94bf54d3c9e627fd80053e4ada677959fe728e639a2de677b9ffda6
[INFO] running `Command { std: "docker" "start" "-a" "f356889da94bf54d3c9e627fd80053e4ada677959fe728e639a2de677b9ffda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f356889da94bf54d3c9e627fd80053e4ada677959fe728e639a2de677b9ffda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f356889da94bf54d3c9e627fd80053e4ada677959fe728e639a2de677b9ffda6", kill_on_drop: false }`
[INFO] [stdout] f356889da94bf54d3c9e627fd80053e4ada677959fe728e639a2de677b9ffda6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 800ff91c98b3fc9302a12d3ede388335f406df684c48ee072b565fc8e6f6837c
[INFO] running `Command { std: "docker" "start" "-a" "800ff91c98b3fc9302a12d3ede388335f406df684c48ee072b565fc8e6f6837c", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `the_labyrinth` in package `the-labyrinth v0.0.1 (/opt/rustwide/workdir)` has the same output filename as the lib target `the-labyrinth` in package `the-labyrinth v0.0.1 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/the_labyrinth/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.70.0-beta.1 (84b7041fd 2023-04-13) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "the-labyrinth", version: "0.0.1", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "the_labyrinth", doc: true, ..: with_path("/opt/rustwide/workdir/src/bin/the_labyrinth.rs", Edition2018) }, profile: Profile { incremental: false, ..: default_dev() }, kind: Host, mode: Doc { deps: false }, features: [], artifact: false, artifact_target_for_features: None, is_std: false, dep_hash: 2855650344586508309 }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "the-labyrinth", version: "0.0.1", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { doctest: false, ..: lib_target("the-labyrinth", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { incremental: false, ..: default_dev() }, kind: Host, mode: Doc { deps: false }, features: [], artifact: false, artifact_target_for_features: None, is_std: false, dep_hash: 12643862809928784777 }
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling clap_lex v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling is-terminal v0.4.2
[INFO] [stderr]    Compiling clap_derive v4.1.0
[INFO] [stderr]    Compiling clap v4.1.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling cargo_toml v0.12.4
[INFO] [stderr]    Compiling rustsourcebundler v0.10.2
[INFO] [stderr]    Compiling the-labyrinth v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `the-labyrinth v0.0.1 (/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/the-labyrinth-62ea9c38f36911a0/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" }', /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustsourcebundler-0.10.2/src/bundler.rs:56:68
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56160a885f0a - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x56160a885f0a - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56160a885f0a - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x56160a885f0a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x56160a8a5d7f - core::fmt::write::h78109e6f466b3af6
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stderr]      5:     0x56160a883a25 - std::io::Write::write_fmt::hc59e1b02dd273c8a
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stderr]      6:     0x56160a885cd5 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      7:     0x56160a885cd5 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      8:     0x56160a88725e - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stderr]      9:     0x56160a887005 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:288:9
[INFO] [stderr]     10:     0x56160a8877be - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:691:13
[INFO] [stderr]     11:     0x56160a8876b9 - std::panicking::begin_panic_handler::{{closure}}::h91bc7f36a4be011b
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:582:13
[INFO] [stderr]     12:     0x56160a886376 - std::sys_common::backtrace::__rust_end_short_backtrace::h8b3d3717114f9e59
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stderr]     13:     0x56160a887412 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:578:5
[INFO] [stderr]     14:     0x56160a4f1943 - core::panicking::panic_fmt::hfd368e3fbdabea26
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:67:14
[INFO] [stderr]     15:     0x56160a4f1ee3 - core::result::unwrap_failed::he54eb4b2f125b26f
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/result.rs:1687:5
[INFO] [stderr]     16:     0x56160a508a94 - core::result::Result<T,E>::unwrap::h0e4b5b61394a0c28
[INFO] [stderr]     17:     0x56160a5338e2 - rustsourcebundler::bundler::Bundler::new::h866aed25272bbdad
[INFO] [stderr]     18:     0x56160a4f22f4 - build_script_build::main::hd4d910bb94ad1512
[INFO] [stderr]     19:     0x56160a4f21b3 - core::ops::function::FnOnce::call_once::h0cdc8a1794d8e8c7
[INFO] [stderr]     20:     0x56160a4f2216 - std::sys_common::backtrace::__rust_begin_short_backtrace::h96400b6c2fefa96d
[INFO] [stderr]     21:     0x56160a4f2269 - std::rt::lang_start::{{closure}}::ha22f991e798412a4
[INFO] [stderr]     22:     0x56160a88091e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2eb19b8ce4148df4
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:287:13
[INFO] [stderr]     23:     0x56160a88091e - std::panicking::try::do_call::h2e900feff5d504c5
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stderr]     24:     0x56160a88091e - std::panicking::try::h8854836cb85aa9f2
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stderr]     25:     0x56160a88091e - std::panic::catch_unwind::h706025dd4c48f64b
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stderr]     26:     0x56160a88091e - std::rt::lang_start_internal::{{closure}}::h7be5b97f4a07a91a
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x56160a88091e - std::panicking::try::do_call::h59847e9d0a176965
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stderr]     28:     0x56160a88091e - std::panicking::try::h399a918ba8522823
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stderr]     29:     0x56160a88091e - std::panic::catch_unwind::hca7ca6c55b2a2e26
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stderr]     30:     0x56160a88091e - std::rt::lang_start_internal::h2c807a81560459eb
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x56160a4f2247 - std::rt::lang_start::h0c895987da04b51b
[INFO] [stderr]     32:     0x56160a4f23c5 - main
[INFO] [stderr]     33:     0x7f9458369d90 - <unknown>
[INFO] [stderr]     34:     0x7f9458369e40 - __libc_start_main
[INFO] [stderr]     35:     0x56160a4f20c5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "800ff91c98b3fc9302a12d3ede388335f406df684c48ee072b565fc8e6f6837c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800ff91c98b3fc9302a12d3ede388335f406df684c48ee072b565fc8e6f6837c", kill_on_drop: false }`
[INFO] [stdout] 800ff91c98b3fc9302a12d3ede388335f406df684c48ee072b565fc8e6f6837c
