[INFO] crate cargo_demo_ls 0.1.0 is already in cache [INFO] testing cargo_demo_ls-0.1.0 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate cargo_demo_ls 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate cargo_demo_ls 0.1.0 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate cargo_demo_ls 0.1.0 [INFO] finished tweaking crates.io crate cargo_demo_ls 0.1.0 [INFO] tweaked toml for crates.io crate cargo_demo_ls 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a0bf3a2ab966f5dec4d282f0f7930a2cb9181510e5a329262e896b7c5bb8c871 [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" "a0bf3a2ab966f5dec4d282f0f7930a2cb9181510e5a329262e896b7c5bb8c871", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0bf3a2ab966f5dec4d282f0f7930a2cb9181510e5a329262e896b7c5bb8c871", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0bf3a2ab966f5dec4d282f0f7930a2cb9181510e5a329262e896b7c5bb8c871", kill_on_drop: false }` [INFO] [stdout] a0bf3a2ab966f5dec4d282f0f7930a2cb9181510e5a329262e896b7c5bb8c871 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] d92a18ce5a7e118cb83bffe18b5abc9ba0a19cff5cae60c6ead496e1034ecd01 [INFO] running `Command { std: "docker" "start" "-a" "d92a18ce5a7e118cb83bffe18b5abc9ba0a19cff5cae60c6ead496e1034ecd01", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling subtle v2.2.3 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling tinyvec v0.3.3 [INFO] [stderr] Compiling subtle v1.0.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling zeroize v1.1.0 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling smallvec v1.4.1 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling pear_codegen v0.1.4 [INFO] [stderr] Compiling rocket_codegen v0.4.5 [INFO] [stderr] Compiling rocket v0.4.5 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-64aaa21e6bc28b3b/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a 'dev' or 'nightly' version of rustc. [INFO] [stderr] Installed version: 1.46.0 (2020-07-23) [INFO] [stderr] Minimum required: 1.31.0-nightly (2018-10-05) [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.4/build.rs:24:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x564b37825665 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x564b37825665 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x564b37825665 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x564b37825665 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x564b378473bc - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x564b37822ce2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x564b37827aa0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x564b37827aa0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x564b37827aa0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x564b378277ec - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x564b378280e3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x564b37801e15 - std::panicking::begin_panic::hb29958ebb627095f [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x564b377fd995 - build_script_build::main::hb019262e146b41de [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.4/build.rs:24 [INFO] [stderr] 13: 0x564b377ff51b - std::rt::lang_start::{{closure}}::hfcf6da954e9c2ad2 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 14: 0x564b378284b3 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 15: 0x564b378284b3 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 16: 0x564b378284b3 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 17: 0x564b378284b3 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x564b378284b3 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 19: 0x564b377ff4f7 - std::rt::lang_start::hc0759513c6a295da [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 20: 0x564b377fe19a - main [INFO] [stderr] 21: 0x7febba8830b3 - __libc_start_main [INFO] [stderr] 22: 0x564b377fd17e - _start [INFO] [stderr] 23: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d92a18ce5a7e118cb83bffe18b5abc9ba0a19cff5cae60c6ead496e1034ecd01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d92a18ce5a7e118cb83bffe18b5abc9ba0a19cff5cae60c6ead496e1034ecd01", kill_on_drop: false }` [INFO] [stdout] d92a18ce5a7e118cb83bffe18b5abc9ba0a19cff5cae60c6ead496e1034ecd01