[INFO] fetching crate my-iot 0.90.0... [INFO] testing my-iot-0.90.0 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate my-iot 0.90.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate my-iot 0.90.0 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 my-iot 0.90.0 [INFO] finished tweaking crates.io crate my-iot 0.90.0 [INFO] tweaked toml for crates.io crate my-iot 0.90.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate my-iot 0.90.0 already has a lockfile, it will not be regenerated [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] 7c83f692b7283468e3f18287052c2cd3d5b0bf384b840c8307f79e3ab626ea61 [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" "7c83f692b7283468e3f18287052c2cd3d5b0bf384b840c8307f79e3ab626ea61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c83f692b7283468e3f18287052c2cd3d5b0bf384b840c8307f79e3ab626ea61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c83f692b7283468e3f18287052c2cd3d5b0bf384b840c8307f79e3ab626ea61", kill_on_drop: false }` [INFO] [stdout] 7c83f692b7283468e3f18287052c2cd3d5b0bf384b840c8307f79e3ab626ea61 [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] [stdout] 4f81688871399d6df2052087368b7b7d223dab5f0c15bf959f25b4377729162c [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" "4f81688871399d6df2052087368b7b7d223dab5f0c15bf959f25b4377729162c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling tinyvec v0.3.3 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling untrusted v0.7.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling smallvec v1.4.1 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Compiling tower-service v0.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling askama_escape v0.10.1 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling fallible-iterator v0.2.0 [INFO] [stderr] Compiling deunicode v0.4.3 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling fallible-streaming-iterator v0.1.9 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling ipnet v2.3.0 [INFO] [stderr] Compiling seahash v4.0.1 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling tracing-core v0.1.11 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling pear_codegen v0.1.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.3 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling rocket_codegen v0.4.5 [INFO] [stderr] Compiling proc-macro-error v1.0.3 [INFO] [stderr] Compiling rocket v0.4.5 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling hashbrown v0.8.1 [INFO] [stderr] Compiling indexmap v1.5.0 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling miniz_oxide v0.4.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling matrixmultiply v0.2.3 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling lru-cache v0.1.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling slug v0.1.4 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Compiling libsqlite3-sys v0.18.0 [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: 0x55daef00e665 - 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: 0x55daef00e665 - 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: 0x55daef00e665 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55daef00e665 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55daef0303bc - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55daef00bce2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55daef010aa0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55daef010aa0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55daef010aa0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55daef0107ec - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55daef0110e3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55daeefeae15 - std::panicking::begin_panic::hb29958ebb627095f [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x55daeefe6995 - 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: 0x55daeefe851b - std::rt::lang_start::{{closure}}::hfcf6da954e9c2ad2 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 14: 0x55daef0114b3 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 15: 0x55daef0114b3 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 16: 0x55daef0114b3 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 17: 0x55daef0114b3 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x55daef0114b3 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 19: 0x55daeefe84f7 - std::rt::lang_start::hc0759513c6a295da [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 20: 0x55daeefe719a - main [INFO] [stderr] 21: 0x7f7c66afa0b3 - __libc_start_main [INFO] [stderr] 22: 0x55daeefe617e - _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" "4f81688871399d6df2052087368b7b7d223dab5f0c15bf959f25b4377729162c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f81688871399d6df2052087368b7b7d223dab5f0c15bf959f25b4377729162c", kill_on_drop: false }` [INFO] [stdout] 4f81688871399d6df2052087368b7b7d223dab5f0c15bf959f25b4377729162c