[INFO] cloning repository https://github.com/happycoder97/DSA-Testcases-Repo-Backend [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/happycoder97/DSA-Testcases-Repo-Backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappycoder97%2FDSA-Testcases-Repo-Backend", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappycoder97%2FDSA-Testcases-Repo-Backend'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c9544075a0a562214de409ad5911dbc4be5e2ff4 [INFO] testing happycoder97/DSA-Testcases-Repo-Backend against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappycoder97%2FDSA-Testcases-Repo-Backend" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/happycoder97/DSA-Testcases-Repo-Backend on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/happycoder97/DSA-Testcases-Repo-Backend [INFO] finished tweaking git repo https://github.com/happycoder97/DSA-Testcases-Repo-Backend [INFO] tweaked toml for git repo https://github.com/happycoder97/DSA-Testcases-Repo-Backend written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/happycoder97/DSA-Testcases-Repo-Backend already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f44e2f4c986446b9570ca8885cd746cc7fd795a8d97562a8cf99ece6da4acac [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5f44e2f4c986446b9570ca8885cd746cc7fd795a8d97562a8cf99ece6da4acac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f44e2f4c986446b9570ca8885cd746cc7fd795a8d97562a8cf99ece6da4acac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f44e2f4c986446b9570ca8885cd746cc7fd795a8d97562a8cf99ece6da4acac", kill_on_drop: false }` [INFO] [stdout] 5f44e2f4c986446b9570ca8885cd746cc7fd795a8d97562a8cf99ece6da4acac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d5a23089e99890e5516d15aa200df97687940bcc83635690a0164e0d9fc2c5a3 [INFO] running `Command { std: "docker" "start" "-a" "d5a23089e99890e5516d15aa200df97687940bcc83635690a0164e0d9fc2c5a3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.26 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling serde v1.0.85 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling pq-sys v0.4.6 [INFO] [stderr] Compiling antidote v1.0.0 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling rustc-demangle v0.1.13 [INFO] [stderr] Compiling uuid v0.7.2 [INFO] [stderr] Compiling md5 v0.6.1 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling rand_jitter v0.1.2 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling scheduled-thread-pool v0.2.0 [INFO] [stderr] Compiling smallvec v0.6.8 [INFO] [stderr] Compiling num_cpus v1.9.0 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand_os v0.1.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling isatty v0.1.9 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling rocket_codegen v0.4.0 [INFO] [stderr] Compiling rocket_contrib_codegen v0.4.0 [INFO] [stderr] Compiling rocket v0.4.0 [INFO] [stderr] Compiling r2d2 v0.8.3 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling unicode-normalization v0.1.8 [INFO] [stderr] Compiling bytes v0.4.11 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] error: failed to run custom build command for `rocket v0.4.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rocket-2876e98f5a133c33/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Rocket requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.49.0 (2020-12-29). Minimum required: 1.31.0-nightly (2018-10-05). [INFO] [stderr] See the getting started guide (https://rocket.rs/v0.4/guide/getting-started/) for more information. [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.4.0/build.rs:38:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x555dab4422b0 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x555dab4422b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x555dab4422b0 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x555dab4422b0 - ::fmt::he009dcaaa75eed60 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x555dab45f9ec - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x555dab43f892 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x555dab444415 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x555dab444415 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x555dab444415 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x555dab4440b8 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x555dab444b51 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x555dab41162a - std::panicking::begin_panic::{{closure}}::h36f41c3974a9cd83 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:522:9 [INFO] [stderr] 12: 0x555dab40e7a8 - std::sys_common::backtrace::__rust_end_short_backtrace::h5f919211b1d651b2 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x555dab411567 - std::panicking::begin_panic::hfefdf838d7e38b9a [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:521:12 [INFO] [stderr] 14: 0x555dab40c8f7 - build_script_build::main::h6ee06774d6f8b9f5 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.4.0/build.rs:38:13 [INFO] [stderr] 15: 0x555dab40f28b - core::ops::function::FnOnce::call_once::h02dcec5d83bc73ac [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x555dab40e7de - std::sys_common::backtrace::__rust_begin_short_backtrace::hcd3a491e6c33b77b [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x555dab411271 - std::rt::lang_start::{{closure}}::h4773ed2e37c7176a [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18 [INFO] [stderr] 18: 0x555dab444f77 - core::ops::function::impls:: for &F>::call_once::h57e2a071d427b24c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x555dab444f77 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stderr] 20: 0x555dab444f77 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stderr] 21: 0x555dab444f77 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stderr] 22: 0x555dab444f77 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stderr] 23: 0x555dab411247 - std::rt::lang_start::h4445c08ed02f7ed3 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5 [INFO] [stderr] 24: 0x555dab40d65a - main [INFO] [stderr] 25: 0x7fee85a130b3 - __libc_start_main [INFO] [stderr] 26: 0x555dab40c0ae - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d5a23089e99890e5516d15aa200df97687940bcc83635690a0164e0d9fc2c5a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5a23089e99890e5516d15aa200df97687940bcc83635690a0164e0d9fc2c5a3", kill_on_drop: false }` [INFO] [stdout] d5a23089e99890e5516d15aa200df97687940bcc83635690a0164e0d9fc2c5a3