[INFO] cloning repository https://github.com/craigwh10/rust-koans [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/craigwh10/rust-koans" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcraigwh10%2Frust-koans", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcraigwh10%2Frust-koans'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9b4caef5c32bb5b5891b1e5b4ffce690910828e4 [INFO] checking craigwh10/rust-koans against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcraigwh10%2Frust-koans" "/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/craigwh10/rust-koans [INFO] finished tweaking git repo https://github.com/craigwh10/rust-koans [INFO] tweaked toml for git repo https://github.com/craigwh10/rust-koans written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/craigwh10/rust-koans on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/craigwh10/rust-koans 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" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 78a77b9851a2df3df3629f318bb582d4cc4dc7ceb16f76735be8a8f19b2c500d [INFO] running `Command { std: "docker" "start" "-a" "78a77b9851a2df3df3629f318bb582d4cc4dc7ceb16f76735be8a8f19b2c500d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78a77b9851a2df3df3629f318bb582d4cc4dc7ceb16f76735be8a8f19b2c500d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78a77b9851a2df3df3629f318bb582d4cc4dc7ceb16f76735be8a8f19b2c500d", kill_on_drop: false }` [INFO] [stdout] 78a77b9851a2df3df3629f318bb582d4cc4dc7ceb16f76735be8a8f19b2c500d [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9a559f614ce81530a3f995be12be075a76df8b583870ae637febf3e03877b39 [INFO] running `Command { std: "docker" "start" "-a" "b9a559f614ce81530a3f995be12be075a76df8b583870ae637febf3e03877b39", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling koans v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `koans v0.2.2 (/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/koans-4a28024071439e5c/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' panicked at build.rs:13:22: [INFO] [stderr] Read-only file system (os error 30) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x64c91c157c72 - std::backtrace_rs::backtrace::libunwind::trace::h33054da9306a3b42 [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x64c91c157c72 - std::backtrace_rs::backtrace::trace_unsynchronized::h1f3a1de382fbc25c [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x64c91c157c72 - std::sys::backtrace::_print_fmt::h1c54c3c227735eca [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x64c91c157c72 - ::fmt::h470d7c279706b10b [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x64c91c173623 - core::fmt::rt::Argument::fmt::h047c4fbc0c8c7f6b [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x64c91c173623 - core::fmt::write::h76c67ef44a9b0eac [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/core/src/fmt/mod.rs:1469:25 [INFO] [stderr] 6: 0x64c91c155ab3 - std::io::default_write_fmt::h79bdd237adff5719 [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x64c91c155ab3 - std::io::Write::write_fmt::he782cc6bc25b448b [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x64c91c157ac2 - std::sys::backtrace::BacktraceLock::print::h0b28641547f53edf [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x64c91c158b43 - std::panicking::default_hook::{{closure}}::h7cc30ce118c3c35e [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/panicking.rs:300:27 [INFO] [stderr] 10: 0x64c91c158925 - std::panicking::default_hook::hecd97bca6d3e5fbf [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/panicking.rs:327:9 [INFO] [stderr] 11: 0x64c91c159415 - std::panicking::rust_panic_with_hook::hc326af24653f08e7 [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/panicking.rs:833:13 [INFO] [stderr] 12: 0x64c91c1592aa - std::panicking::begin_panic_handler::{{closure}}::h8a0e6a4d95e814cb [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/panicking.rs:706:13 [INFO] [stderr] 13: 0x64c91c158169 - std::sys::backtrace::__rust_end_short_backtrace::hc94c3422f98329bd [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/sys/backtrace.rs:168:18 [INFO] [stderr] 14: 0x64c91c158f3d - __rustc[8894dfda0ee3b949]::rust_begin_unwind [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/panicking.rs:697:5 [INFO] [stderr] 15: 0x64c91c1728f0 - core::panicking::panic_fmt::h9586b305d1f2048a [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x64c91c1367d8 - core::panicking::panic_display::h49e6addf5b54d600 [INFO] [stderr] 17: 0x64c91c136f9b - build_script_build::main::hfb8f104fd0083641 [INFO] [stderr] 18: 0x64c91c135ff3 - core::ops::function::FnOnce::call_once::h382d4d2ca4334bba [INFO] [stderr] 19: 0x64c91c135ec6 - std::sys::backtrace::__rust_begin_short_backtrace::hee39a557c809b5c1 [INFO] [stderr] 20: 0x64c91c135c69 - std::rt::lang_start::{{closure}}::hc2062361fa71921a [INFO] [stderr] 21: 0x64c91c153550 - core::ops::function::impls:: for &F>::call_once::ha8d2579ac7961e06 [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 22: 0x64c91c153550 - std::panicking::catch_unwind::do_call::h66ffe15b29b1f153 [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/panicking.rs:589:40 [INFO] [stderr] 23: 0x64c91c153550 - std::panicking::catch_unwind::hc6fd1f494e75d704 [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/panicking.rs:552:19 [INFO] [stderr] 24: 0x64c91c153550 - std::panic::catch_unwind::h70213b45562708f8 [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/panic.rs:359:14 [INFO] [stderr] 25: 0x64c91c153550 - std::rt::lang_start_internal::{{closure}}::h9b130ce36d7ec348 [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/rt.rs:175:24 [INFO] [stderr] 26: 0x64c91c153550 - std::panicking::catch_unwind::do_call::h5a290a943939d593 [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/panicking.rs:589:40 [INFO] [stderr] 27: 0x64c91c153550 - std::panicking::catch_unwind::he729d4a6de1ce462 [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/panicking.rs:552:19 [INFO] [stderr] 28: 0x64c91c153550 - std::panic::catch_unwind::h916ee909da19ff82 [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/panic.rs:359:14 [INFO] [stderr] 29: 0x64c91c153550 - std::rt::lang_start_internal::h07acb7e452e7018f [INFO] [stderr] at /rustc/dd2d87b6cc31907ae305875eb6be399783dc0256/library/std/src/rt.rs:171:5 [INFO] [stderr] 30: 0x64c91c135c51 - std::rt::lang_start::h1df483f1ad3ea70f [INFO] [stderr] 31: 0x64c91c136fb5 - main [INFO] [stderr] 32: 0x74cf6def41ca - [INFO] [stderr] 33: 0x74cf6def428b - __libc_start_main [INFO] [stderr] 34: 0x64c91c134b45 - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "b9a559f614ce81530a3f995be12be075a76df8b583870ae637febf3e03877b39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9a559f614ce81530a3f995be12be075a76df8b583870ae637febf3e03877b39", kill_on_drop: false }` [INFO] [stdout] b9a559f614ce81530a3f995be12be075a76df8b583870ae637febf3e03877b39