[INFO] fetching crate file_ops 0.1.1...
[INFO] documenting file_ops-0.1.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate file_ops 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate file_ops 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate file_ops 0.1.1
[INFO] finished tweaking crates.io crate file_ops 0.1.1
[INFO] tweaked toml for crates.io crate file_ops 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate file_ops 0.1.1 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.0.32
[INFO] [stderr]   Downloaded clap_complete v4.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64704899be35523749c727fd2d33c557a7bc167d9c5ec676c9fa6530b01eb77b
[INFO] running `Command { std: "docker" "start" "-a" "64704899be35523749c727fd2d33c557a7bc167d9c5ec676c9fa6530b01eb77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64704899be35523749c727fd2d33c557a7bc167d9c5ec676c9fa6530b01eb77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64704899be35523749c727fd2d33c557a7bc167d9c5ec676c9fa6530b01eb77b", kill_on_drop: false }`
[INFO] [stdout] 64704899be35523749c727fd2d33c557a7bc167d9c5ec676c9fa6530b01eb77b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a863388bc1452d0dd0215f17ca8bc1a85e086265380350f8496c780bc50acab2
[INFO] running `Command { std: "docker" "start" "-a" "a863388bc1452d0dd0215f17ca8bc1a85e086265380350f8496c780bc50acab2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking is-terminal v0.4.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]    Compiling clap v4.0.32
[INFO] [stderr]    Compiling clap_complete v4.0.7
[INFO] [stderr]    Compiling file_ops v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `file_ops v0.1.1 (/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/file_ops-e617e6bece2091b9/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/cli.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:11:78:
[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:     0x55b14c7385bc - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55b14c7385bc - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b14c7385bc - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55b14c7385bc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55b14c7589d0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55b14c7589d0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55b14c73680f - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stderr]      7:     0x55b14c7383a4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55b14c7383a4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55b14c7398b7 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stderr]     10:     0x55b14c73961f - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55b14c739d38 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55b14c739c1e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55b14c738a86 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stderr]     14:     0x55b14c739982 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55b14c678225 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55b14c678773 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stderr]     17:     0x55b14c67b2cc - core::result::Result<T,E>::unwrap::hbad20d58fb2e3f60
[INFO] [stderr]     18:     0x55b14c67bb56 - build_script_build::print_completions::h8821cb7b05b07cdb
[INFO] [stderr]     19:     0x55b14c67bbf9 - build_script_build::generate_complete_scripts::h359ff2d58b31d150
[INFO] [stderr]     20:     0x55b14c67bcc7 - build_script_build::main::hd6e38530eec789a8
[INFO] [stderr]     21:     0x55b14c67ad43 - core::ops::function::FnOnce::call_once::h108225e9613e5c1e
[INFO] [stderr]     22:     0x55b14c6790a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4a8d5c5d1b35fc0c
[INFO] [stderr]     23:     0x55b14c679b49 - std::rt::lang_start::{{closure}}::h31c3e2c08697cceb
[INFO] [stderr]     24:     0x55b14c7335f7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd95060ecd5e1ca24
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     25:     0x55b14c7335f7 - std::panicking::try::do_call::h6e8cf51db32a6e4b
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]     26:     0x55b14c7335f7 - std::panicking::try::h3a52eefe24fe3c29
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]     27:     0x55b14c7335f7 - std::panic::catch_unwind::h24c28c23c02c3841
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]     28:     0x55b14c7335f7 - std::rt::lang_start_internal::{{closure}}::h705d3c9cbc06ef47
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:48
[INFO] [stderr]     29:     0x55b14c7335f7 - std::panicking::try::do_call::ha21f52ba13158470
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]     30:     0x55b14c7335f7 - std::panicking::try::h5581346bf6aeb1f8
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]     31:     0x55b14c7335f7 - std::panic::catch_unwind::h7919645a6b72e25b
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]     32:     0x55b14c7335f7 - std::rt::lang_start_internal::h12de51168669836e
[INFO] [stderr]                                  at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:20
[INFO] [stderr]     33:     0x55b14c679b27 - std::rt::lang_start::h0b5e2bc6102b9df1
[INFO] [stderr]     34:     0x55b14c67d3c5 - main
[INFO] [stderr]     35:     0x7f9ff91c8d90 - <unknown>
[INFO] [stderr]     36:     0x7f9ff91c8e40 - __libc_start_main
[INFO] [stderr]     37:     0x55b14c678a35 - _start
[INFO] [stderr]     38:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "a863388bc1452d0dd0215f17ca8bc1a85e086265380350f8496c780bc50acab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a863388bc1452d0dd0215f17ca8bc1a85e086265380350f8496c780bc50acab2", kill_on_drop: false }`
[INFO] [stdout] a863388bc1452d0dd0215f17ca8bc1a85e086265380350f8496c780bc50acab2
[INFO] documenting file_ops-0.1.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate file_ops 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate file_ops 0.1.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate file_ops 0.1.1
[INFO] finished tweaking crates.io crate file_ops 0.1.1
[INFO] tweaked toml for crates.io crate file_ops 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate file_ops 0.1.1 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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45b8e5dd2d54b74c195fbb370959196ba135e4ab6ba3b8546c14264f1b1ea4dc
[INFO] running `Command { std: "docker" "start" "-a" "45b8e5dd2d54b74c195fbb370959196ba135e4ab6ba3b8546c14264f1b1ea4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45b8e5dd2d54b74c195fbb370959196ba135e4ab6ba3b8546c14264f1b1ea4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b8e5dd2d54b74c195fbb370959196ba135e4ab6ba3b8546c14264f1b1ea4dc", kill_on_drop: false }`
[INFO] [stdout] 45b8e5dd2d54b74c195fbb370959196ba135e4ab6ba3b8546c14264f1b1ea4dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf35a76aca1f1557dd5fcb135b60219178c05f852b62239936beaf6bd44fa178
[INFO] running `Command { std: "docker" "start" "-a" "cf35a76aca1f1557dd5fcb135b60219178c05f852b62239936beaf6bd44fa178", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling is-terminal v0.4.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]    Compiling clap v4.0.32
[INFO] [stderr]    Compiling clap_complete v4.0.7
[INFO] [stderr]    Compiling file_ops v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `file_ops v0.1.1 (/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/file_ops-73f15abe6285c0a3/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/cli.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:11:78:
[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:     0x55dc365285e6 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55dc365285e6 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55dc365285e6 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55dc365285e6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55dc36547b20 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55dc36547b20 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55dc3652683f - std::io::Write::write_fmt::hfead1eee52c2e65e
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]      7:     0x55dc365283c4 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55dc365283c4 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55dc36529927 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stderr]     10:     0x55dc36529689 - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55dc36529db8 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55dc36529c92 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55dc36528ae6 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55dc365299f0 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55dc36467225 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55dc36467783 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stderr]     17:     0x55dc3646a2b2 - core::result::Result<T,E>::unwrap::h286e38681e45cd8a
[INFO] [stderr]     18:     0x55dc3646ab66 - build_script_build::print_completions::hd4d2ce7e7b2f0600
[INFO] [stderr]     19:     0x55dc3646ac09 - build_script_build::generate_complete_scripts::hed58119d59f8f9a5
[INFO] [stderr]     20:     0x55dc3646acd7 - build_script_build::main::hb342675e1c4f47ab
[INFO] [stderr]     21:     0x55dc36469d23 - core::ops::function::FnOnce::call_once::h30da3d84de89ecb6
[INFO] [stderr]     22:     0x55dc364680b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc3680805723fdf76
[INFO] [stderr]     23:     0x55dc36468b39 - std::rt::lang_start::{{closure}}::h048ba4c4c5711a3d
[INFO] [stderr]     24:     0x55dc36523521 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4eb4c5e1620f29b0
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     25:     0x55dc36523521 - std::panicking::try::do_call::h73fd26535faffcdf
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stderr]     26:     0x55dc36523521 - std::panicking::try::h77ff1d98f0fb9f39
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stderr]     27:     0x55dc36523521 - std::panic::catch_unwind::hab3caf2448b95e37
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stderr]     28:     0x55dc36523521 - std::rt::lang_start_internal::{{closure}}::h8086711f9c783f78
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/rt.rs:148:48
[INFO] [stderr]     29:     0x55dc36523521 - std::panicking::try::do_call::hf920d4dc291cd6ca
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stderr]     30:     0x55dc36523521 - std::panicking::try::h2b806ccc0a85db74
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stderr]     31:     0x55dc36523521 - std::panic::catch_unwind::h038489539c507df2
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stderr]     32:     0x55dc36523521 - std::rt::lang_start_internal::h28503b88912e8a5c
[INFO] [stderr]                                  at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/rt.rs:148:20
[INFO] [stderr]     33:     0x55dc36468b17 - std::rt::lang_start::hc29dd3974aaec684
[INFO] [stderr]     34:     0x55dc3646c3d5 - main
[INFO] [stderr]     35:     0x7f08e2df8d90 - <unknown>
[INFO] [stderr]     36:     0x7f08e2df8e40 - __libc_start_main
[INFO] [stderr]     37:     0x55dc36467a45 - _start
[INFO] [stderr]     38:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "cf35a76aca1f1557dd5fcb135b60219178c05f852b62239936beaf6bd44fa178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf35a76aca1f1557dd5fcb135b60219178c05f852b62239936beaf6bd44fa178", kill_on_drop: false }`
[INFO] [stdout] cf35a76aca1f1557dd5fcb135b60219178c05f852b62239936beaf6bd44fa178
