[INFO] fetching crate mdblog 0.18.0... [INFO] testing mdblog-0.18.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate mdblog 0.18.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate mdblog 0.18.0 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 crates.io crate mdblog 0.18.0 [INFO] finished tweaking crates.io crate mdblog 0.18.0 [INFO] tweaked toml for crates.io crate mdblog 0.18.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate mdblog 0.18.0 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-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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7302384a54e6b43ecaff3eb6b8eb4ed66bb566f85d639ae95dd351352fd5a6b0 [INFO] running `Command { std: "docker" "start" "-a" "7302384a54e6b43ecaff3eb6b8eb4ed66bb566f85d639ae95dd351352fd5a6b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7302384a54e6b43ecaff3eb6b8eb4ed66bb566f85d639ae95dd351352fd5a6b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7302384a54e6b43ecaff3eb6b8eb4ed66bb566f85d639ae95dd351352fd5a6b0", kill_on_drop: false }` [INFO] [stdout] 7302384a54e6b43ecaff3eb6b8eb4ed66bb566f85d639ae95dd351352fd5a6b0 [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] fe5735dc989ed270a789fda78efcc3513cdc19c733516fe4640ca7c60c736293 [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" "fe5735dc989ed270a789fda78efcc3513cdc19c733516fe4640ca7c60c736293", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.27 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling smallvec v1.4.0 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling unic-char-range v0.9.0 [INFO] [stderr] Compiling unic-common v0.9.0 [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling static_assertions v0.3.4 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling deunicode v0.4.3 [INFO] [stderr] Compiling pulldown-cmark v0.7.1 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Compiling dtoa v0.4.5 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling rust-ini v0.13.0 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling nom v5.1.1 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling unic-char-property v0.9.0 [INFO] [stderr] Compiling unic-ucd-version v0.9.0 [INFO] [stderr] Compiling rocket_codegen v0.4.4 [INFO] [stderr] Compiling rocket v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling yaml-rust v0.4.3 [INFO] [stderr] Compiling slug v0.1.4 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling unic-ucd-segment v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] error: failed to run custom build command for `rocket v0.4.4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rocket-04144231517fea4a/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Rocket (core) requires a 'dev' or 'nightly' version of rustc. [INFO] [stderr] Installed version: 1.49.0 (2020-12-29) [INFO] [stderr] Minimum required: 1.35.0-nightly (2019-04-05) [INFO] [stderr] See the getting started guide (https://rocket.rs/v0.5/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-0.4.4/build.rs:29:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x555c1d9f0db0 - 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: 0x555c1d9f0db0 - 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: 0x555c1d9f0db0 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x555c1d9f0db0 - ::fmt::he009dcaaa75eed60 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x555c1da0e4ec - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x555c1d9ee392 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x555c1d9f2f15 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x555c1d9f2f15 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x555c1d9f2f15 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x555c1d9f2bb8 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x555c1d9f3651 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x555c1d9c01ca - std::panicking::begin_panic::{{closure}}::h997d4210b39b7ba1 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:522:9 [INFO] [stderr] 12: 0x555c1d9bd2e8 - std::sys_common::backtrace::__rust_end_short_backtrace::h51d2a9d0bfa8e884 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x555c1d9c0107 - std::panicking::begin_panic::hbbf7952035366101 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:521:12 [INFO] [stderr] 14: 0x555c1d9bba0c - build_script_build::main::ha03bef0aa06652a1 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.4.4/build.rs:29:13 [INFO] [stderr] 15: 0x555c1d9bfddb - core::ops::function::FnOnce::call_once::h551a8687c770870a [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x555c1d9bd31e - std::sys_common::backtrace::__rust_begin_short_backtrace::h1173df454b967147 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x555c1d9bfd01 - std::rt::lang_start::{{closure}}::hea77de683c51e2b0 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18 [INFO] [stderr] 18: 0x555c1d9f3a77 - 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: 0x555c1d9f3a77 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stderr] 20: 0x555c1d9f3a77 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stderr] 21: 0x555c1d9f3a77 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stderr] 22: 0x555c1d9f3a77 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stderr] 23: 0x555c1d9bfcd7 - std::rt::lang_start::h53d892933480703f [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5 [INFO] [stderr] 24: 0x555c1d9bc19a - main [INFO] [stderr] 25: 0x7fade11a20b3 - __libc_start_main [INFO] [stderr] 26: 0x555c1d9bb0ae - _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" "fe5735dc989ed270a789fda78efcc3513cdc19c733516fe4640ca7c60c736293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe5735dc989ed270a789fda78efcc3513cdc19c733516fe4640ca7c60c736293", kill_on_drop: false }` [INFO] [stdout] fe5735dc989ed270a789fda78efcc3513cdc19c733516fe4640ca7c60c736293