[INFO] cloning repository https://github.com/02alexander/stack4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/02alexander/stack4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fstack4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fstack4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7722bb99a7e190daaa43a2ca056077c181da1bd2 [INFO] testing 02alexander/stack4 against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fstack4" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/02alexander/stack4 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/02alexander/stack4 [INFO] finished tweaking git repo https://github.com/02alexander/stack4 [INFO] tweaked toml for git repo https://github.com/02alexander/stack4 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/02alexander/stack4 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] a7af5575012d47cae3f9f24f9cb97d517677661bd2b198c47c20eb41735da162 [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" "a7af5575012d47cae3f9f24f9cb97d517677661bd2b198c47c20eb41735da162", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7af5575012d47cae3f9f24f9cb97d517677661bd2b198c47c20eb41735da162", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7af5575012d47cae3f9f24f9cb97d517677661bd2b198c47c20eb41735da162", kill_on_drop: false }` [INFO] [stdout] a7af5575012d47cae3f9f24f9cb97d517677661bd2b198c47c20eb41735da162 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 7b5420ac9137b90bcc9cdd542934f72ca923746108bdf4187c8b892d1a3ac5c0 [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" "7b5420ac9137b90bcc9cdd542934f72ca923746108bdf4187c8b892d1a3ac5c0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling unicode-normalization v0.1.7 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling lazycell v1.2.0 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling unic-char-range v0.7.0 [INFO] [stderr] Compiling unic-common v0.7.0 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling deunicode v0.4.3 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.1 [INFO] [stderr] Compiling tokio-executor v0.1.5 [INFO] [stderr] Compiling regex-syntax v0.6.3 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling pest v2.0.2 [INFO] [stderr] Compiling unic-char-property v0.7.0 [INFO] [stderr] Compiling unic-ucd-version v0.7.0 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling rocket_codegen v0.4.0-rc.1 [INFO] [stderr] Compiling rocket v0.4.0-rc.1 [INFO] [stderr] Compiling smallvec v0.6.6 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling slug v0.1.4 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling unic-ucd-segment v0.7.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] error: failed to run custom build command for `rocket v0.4.0-rc.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rocket-f2c9f6ead99641e1/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-rc.1/build.rs:38:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5603d2bf9620 - 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: 0x5603d2bf9620 - 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: 0x5603d2bf9620 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5603d2bf9620 - ::fmt::he009dcaaa75eed60 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5603d2c16d5c - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x5603d2bf6c02 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x5603d2bfb785 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5603d2bfb785 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5603d2bfb785 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5603d2bfb428 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x5603d2bfbec1 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x5603d2bc7c9a - std::panicking::begin_panic::{{closure}}::hf3a1039ac368525e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:522:9 [INFO] [stderr] 12: 0x5603d2bc6f98 - std::sys_common::backtrace::__rust_end_short_backtrace::h1a1d06ee98247ab5 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5603d2bc7bd7 - std::panicking::begin_panic::hc61f16db8ebb7b0d [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:521:12 [INFO] [stderr] 14: 0x5603d2bc5945 - build_script_build::main::h68e40b8998fdfe54 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.4.0-rc.1/build.rs:38:13 [INFO] [stderr] 15: 0x5603d2bc6dcb - core::ops::function::FnOnce::call_once::h9a35669637d6e23d [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x5603d2bc6fce - std::sys_common::backtrace::__rust_begin_short_backtrace::h1cb1ce8b96365296 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x5603d2bc6c71 - std::rt::lang_start::{{closure}}::h66fca86424c47d66 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18 [INFO] [stderr] 18: 0x5603d2bfc2e7 - 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: 0x5603d2bfc2e7 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stderr] 20: 0x5603d2bfc2e7 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stderr] 21: 0x5603d2bfc2e7 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stderr] 22: 0x5603d2bfc2e7 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stderr] 23: 0x5603d2bc6c47 - std::rt::lang_start::hf7df4f90ab0094cb [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5 [INFO] [stderr] 24: 0x5603d2bc673a - main [INFO] [stderr] 25: 0x7fbcf1e320b3 - __libc_start_main [INFO] [stderr] 26: 0x5603d2bc50ae - _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" "7b5420ac9137b90bcc9cdd542934f72ca923746108bdf4187c8b892d1a3ac5c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b5420ac9137b90bcc9cdd542934f72ca923746108bdf4187c8b892d1a3ac5c0", kill_on_drop: false }` [INFO] [stdout] 7b5420ac9137b90bcc9cdd542934f72ca923746108bdf4187c8b892d1a3ac5c0