[INFO] cloning repository https://github.com/KonstantinGarbers/rust-coding-challenge-submission [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KonstantinGarbers/rust-coding-challenge-submission" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKonstantinGarbers%2Frust-coding-challenge-submission", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKonstantinGarbers%2Frust-coding-challenge-submission'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6bd6e1c7e8427c4e113297bf4844a57508df00b2 [INFO] checking KonstantinGarbers/rust-coding-challenge-submission against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKonstantinGarbers%2Frust-coding-challenge-submission" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/KonstantinGarbers/rust-coding-challenge-submission [INFO] finished tweaking git repo https://github.com/KonstantinGarbers/rust-coding-challenge-submission [INFO] tweaked toml for git repo https://github.com/KonstantinGarbers/rust-coding-challenge-submission written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/KonstantinGarbers/rust-coding-challenge-submission on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/KonstantinGarbers/rust-coding-challenge-submission 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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded flat_vec v0.1.0 [INFO] [stderr] Downloaded air-sym v0.1.0 [INFO] [stderr] Downloaded air-meta v0.1.0 [INFO] [stderr] Downloaded air-types v0.1.0 [INFO] [stderr] Downloaded tnj-air v0.1.0 [INFO] [stderr] Downloaded air-macros v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be4927a7310267bcc8da1797c74732bcbe3f0e3377c0fdfe5ca1d717fd6746a8 [INFO] running `Command { std: "docker" "start" "-a" "be4927a7310267bcc8da1797c74732bcbe3f0e3377c0fdfe5ca1d717fd6746a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be4927a7310267bcc8da1797c74732bcbe3f0e3377c0fdfe5ca1d717fd6746a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be4927a7310267bcc8da1797c74732bcbe3f0e3377c0fdfe5ca1d717fd6746a8", kill_on_drop: false }` [INFO] [stdout] be4927a7310267bcc8da1797c74732bcbe3f0e3377c0fdfe5ca1d717fd6746a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3266a0c240190f964fa8592c7ac386421a3e8b7ee7c87c2a5f607b8a0b45aeb3 [INFO] running `Command { std: "docker" "start" "-a" "3266a0c240190f964fa8592c7ac386421a3e8b7ee7c87c2a5f607b8a0b45aeb3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling air-types v0.1.0 [INFO] [stderr] Checking smol_str v0.2.2 [INFO] [stderr] Checking air-macros v0.1.0 [INFO] [stderr] Checking flat_vec v0.1.0 [INFO] [stderr] Compiling convert_case v0.6.0 [INFO] [stderr] Compiling air-meta v0.1.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.76 [INFO] [stderr] Compiling tnj-air v0.1.0 [INFO] [stderr] error: failed to run custom build command for `tnj-air v0.1.0` [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/tnj-air-02ee14e5a0c4597d/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] rustfmt failed: error: 'rustfmt' is not installed for the custom toolchain '7df376b035b3d12ff0386ad8b45b76dbe020257b'. [INFO] [stderr] note: this is a custom toolchain, which cannot use `rustup component add` [INFO] [stderr] help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py` [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tnj-air-0.1.0/build.rs:30:13: [INFO] [stderr] rustfmt failed [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x63d4cd5031a2 - std::backtrace_rs::backtrace::libunwind::trace::hb296c27a67d2da4b [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x63d4cd5031a2 - std::backtrace_rs::backtrace::trace_unsynchronized::hce94b904b2037f16 [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x63d4cd5031a2 - std::sys::backtrace::_print_fmt::h38de57a3013a717f [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x63d4cd5031a2 - ::fmt::hf720f14b70ec7f93 [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x63d4cd524123 - core::fmt::rt::Argument::fmt::h21f5bc1449059fb3 [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x63d4cd524123 - core::fmt::write::h77fc977184f67b97 [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/core/src/fmt/mod.rs:1465:25 [INFO] [stderr] 6: 0x63d4cd500a13 - std::io::default_write_fmt::h403255b7bb438445 [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x63d4cd500a13 - std::io::Write::write_fmt::hb8b2287886e6cd3c [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x63d4cd502ff2 - std::sys::backtrace::BacktraceLock::print::h7cfb3ebd5dc04c25 [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x63d4cd504066 - std::panicking::default_hook::{{closure}}::hce0a907e55a8cdaa [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/panicking.rs:300:27 [INFO] [stderr] 10: 0x63d4cd503e69 - std::panicking::default_hook::h2031fc6c2e7da529 [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/panicking.rs:327:9 [INFO] [stderr] 11: 0x63d4cd504932 - std::panicking::rust_panic_with_hook::h0e93564b0f41199d [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/panicking.rs:833:13 [INFO] [stderr] 12: 0x63d4cd504796 - std::panicking::begin_panic_handler::{{closure}}::ha02892718f0e8fe7 [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/panicking.rs:699:13 [INFO] [stderr] 13: 0x63d4cd503699 - std::sys::backtrace::__rust_end_short_backtrace::h0e6df03191ecafc6 [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/sys/backtrace.rs:168:18 [INFO] [stderr] 14: 0x63d4cd50445d - __rustc[f90e1fd51ffd631f]::rust_begin_unwind [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/panicking.rs:697:5 [INFO] [stderr] 15: 0x63d4cd523350 - core::panicking::panic_fmt::hc21a795d3a1ed96f [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x63d4cd4bebd3 - build_script_build::main::h5323d04b8131580e [INFO] [stderr] 17: 0x63d4cd4bb5f3 - core::ops::function::FnOnce::call_once::h6586d0aa80257410 [INFO] [stderr] 18: 0x63d4cd4bb316 - std::sys::backtrace::__rust_begin_short_backtrace::he14cb14a2e33a78d [INFO] [stderr] 19: 0x63d4cd4bb1d9 - std::rt::lang_start::{{closure}}::h7589ecf3cab402be [INFO] [stderr] 20: 0x63d4cd4fcef0 - core::ops::function::impls:: for &F>::call_once::h4930e6b8335b0a3b [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/core/src/ops/function.rs:284:21 [INFO] [stderr] 21: 0x63d4cd4fcef0 - std::panicking::catch_unwind::do_call::ha54a83eb60d03525 [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/panicking.rs:589:40 [INFO] [stderr] 22: 0x63d4cd4fcef0 - std::panicking::catch_unwind::h637bdb04b8e3c51a [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/panicking.rs:552:19 [INFO] [stderr] 23: 0x63d4cd4fcef0 - std::panic::catch_unwind::h16590d9a7c6f52bc [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/panic.rs:359:14 [INFO] [stderr] 24: 0x63d4cd4fcef0 - std::rt::lang_start_internal::{{closure}}::hc5b86e0a27a383cf [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/rt.rs:175:24 [INFO] [stderr] 25: 0x63d4cd4fcef0 - std::panicking::catch_unwind::do_call::h6ba8cad48f3e9b7b [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/panicking.rs:589:40 [INFO] [stderr] 26: 0x63d4cd4fcef0 - std::panicking::catch_unwind::h83ca63595a7cc1a2 [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/panicking.rs:552:19 [INFO] [stderr] 27: 0x63d4cd4fcef0 - std::panic::catch_unwind::h63d1dd8569575e00 [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/panic.rs:359:14 [INFO] [stderr] 28: 0x63d4cd4fcef0 - std::rt::lang_start_internal::h83ed86680c1378af [INFO] [stderr] at /rustc/7df376b035b3d12ff0386ad8b45b76dbe020257b/library/std/src/rt.rs:171:5 [INFO] [stderr] 29: 0x63d4cd4bb1c1 - std::rt::lang_start::ha8a2298812fbc435 [INFO] [stderr] 30: 0x63d4cd4bec35 - main [INFO] [stderr] 31: 0x7f8faafc21ca - [INFO] [stderr] 32: 0x7f8faafc228b - __libc_start_main [INFO] [stderr] 33: 0x63d4cd4ba125 - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3266a0c240190f964fa8592c7ac386421a3e8b7ee7c87c2a5f607b8a0b45aeb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3266a0c240190f964fa8592c7ac386421a3e8b7ee7c87c2a5f607b8a0b45aeb3", kill_on_drop: false }` [INFO] [stdout] 3266a0c240190f964fa8592c7ac386421a3e8b7ee7c87c2a5f607b8a0b45aeb3