[INFO] cloning repository https://github.com/k-nasa/isucon6_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k-nasa/isucon6_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-nasa%2Fisucon6_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-nasa%2Fisucon6_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 856766984e54bdde04402c1bb0cb28e8977964d2 [INFO] testing k-nasa/isucon6_rust against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-nasa%2Fisucon6_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/k-nasa/isucon6_rust 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 git repo https://github.com/k-nasa/isucon6_rust [INFO] finished tweaking git repo https://github.com/k-nasa/isucon6_rust [INFO] tweaked toml for git repo https://github.com/k-nasa/isucon6_rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/k-nasa/isucon6_rust 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-executor v0.1.6 [INFO] [stderr] Downloaded bufstream v0.1.4 [INFO] [stderr] Downloaded hyper-tls v0.3.1 [INFO] [stderr] Downloaded tokio-timer v0.2.10 [INFO] [stderr] Downloaded security-framework-sys v0.2.3 [INFO] [stderr] Downloaded security-framework v0.2.2 [INFO] [stderr] Downloaded miniz_oxide_c_api v0.2.1 [INFO] [stderr] Downloaded flate2 v1.0.6 [INFO] [stderr] Downloaded tokio v0.1.15 [INFO] [stderr] Downloaded openssl-sys v0.9.40 [INFO] [stderr] Downloaded remove_dir_all v0.5.1 [INFO] [stderr] Downloaded openssl v0.10.16 [INFO] [stderr] Downloaded native-tls v0.2.2 [INFO] [stderr] Downloaded encoding_rs v0.8.16 [INFO] [stderr] Downloaded block-padding v0.1.3 [INFO] [stderr] Downloaded libflate v0.1.19 [INFO] [stderr] Downloaded tokio-reactor v0.1.8 [INFO] [stderr] Downloaded twox-hash v1.1.2 [INFO] [stderr] Downloaded tokio-threadpool v0.1.11 [INFO] [stderr] Downloaded tokio-current-thread v0.1.4 [INFO] [stderr] Downloaded crc32fast v1.1.2 [INFO] [stderr] Downloaded miniz_oxide v0.2.1 [INFO] [stderr] Downloaded mysql_common v0.15.0 [INFO] [stderr] Downloaded bit-vec v0.5.0 [INFO] [stderr] Downloaded MacTypes-sys v2.1.0 [INFO] [stderr] Downloaded hyper v0.12.24 [INFO] [stderr] Downloaded tempfile v3.0.7 [INFO] [stderr] Downloaded serde_urlencoded v0.5.4 [INFO] [stderr] Downloaded mysql v15.1.0 [INFO] [stderr] Downloaded serde_derive v1.0.88 [INFO] [stderr] Downloaded tokio-io v0.1.11 [INFO] [stderr] Downloaded miniz-sys v0.1.11 [INFO] [stderr] Downloaded h2 v0.1.16 [INFO] [stderr] Downloaded uuid v0.7.2 [INFO] [stderr] Downloaded crossbeam v0.6.0 [INFO] [stderr] Downloaded reqwest v0.9.9 [INFO] [stderr] Downloaded schannel v0.1.14 [INFO] [stderr] Downloaded atoi v0.3.1 [INFO] [stderr] Downloaded named_pipe v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] cf2f49875b7c37359daa1a1724bdffdc032291cb1a2e43a1094e25e51d898b27 [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" "cf2f49875b7c37359daa1a1724bdffdc032291cb1a2e43a1094e25e51d898b27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf2f49875b7c37359daa1a1724bdffdc032291cb1a2e43a1094e25e51d898b27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf2f49875b7c37359daa1a1724bdffdc032291cb1a2e43a1094e25e51d898b27", kill_on_drop: false }` [INFO] [stdout] cf2f49875b7c37359daa1a1724bdffdc032291cb1a2e43a1094e25e51d898b27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 17969daeafa07030ad809055a212e894a4f85603fa8301627938aa077434f407 [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" "17969daeafa07030ad809055a212e894a4f85603fa8301627938aa077434f407", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling futures v0.1.25 [INFO] [stderr] Compiling serde v1.0.88 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling crc32fast v1.1.2 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling unic-char-range v0.7.0 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling unic-common v0.7.0 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling openssl v0.10.16 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling string v0.1.3 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling deunicode v0.4.3 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling encoding_rs v0.8.16 [INFO] [stderr] Compiling nix v0.12.0 [INFO] [stderr] Compiling opaque-debug v0.2.2 [INFO] [stderr] Compiling mysql v15.1.0 [INFO] [stderr] Compiling arrayref v0.3.5 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling dtoa v0.4.3 [INFO] [stderr] Compiling bufstream v0.1.4 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling block-padding v0.1.3 [INFO] [stderr] Compiling pest v2.1.0 [INFO] [stderr] Compiling unic-char-property v0.7.0 [INFO] [stderr] Compiling unic-ucd-version v0.7.0 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling rocket_codegen v0.4.0 [INFO] [stderr] Compiling rocket v0.4.0 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling slug v0.1.4 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling smallvec v0.6.8 [INFO] [stderr] Compiling openssl-sys v0.9.40 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling unic-ucd-segment v0.7.0 [INFO] [stderr] Compiling rand_os v0.1.2 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.4 [INFO] [stderr] Compiling isatty v0.1.9 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-127ebaddb7318eb8/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.46.0-beta.2 (2020-07-23). 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-0.1.2/build.rs:31:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55b65d4713e5 - 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: 0x55b65d4713e5 - 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: 0x55b65d4713e5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55b65d4713e5 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55b65d49313c - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55b65d46ea62 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55b65d473820 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55b65d473820 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55b65d473820 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55b65d47356c - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55b65d473e63 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55b65d44ca55 - std::panicking::begin_panic::h9a46eba086ed17ab [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x55b65d44a836 - build_script_build::main::h8a4d316b30a7a5d6 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31 [INFO] [stderr] 13: 0x55b65d44cfcb - std::rt::lang_start::{{closure}}::hc3796722913bb56b [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 14: 0x55b65d474233 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 15: 0x55b65d474233 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 16: 0x55b65d474233 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 17: 0x55b65d474233 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x55b65d474233 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 19: 0x55b65d44cfa7 - std::rt::lang_start::hb42622251d15077c [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 20: 0x55b65d44b6da - main [INFO] [stderr] 21: 0x7fd3befa40b3 - __libc_start_main [INFO] [stderr] 22: 0x55b65d44a17e - _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" "17969daeafa07030ad809055a212e894a4f85603fa8301627938aa077434f407", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17969daeafa07030ad809055a212e894a4f85603fa8301627938aa077434f407", kill_on_drop: false }` [INFO] [stdout] 17969daeafa07030ad809055a212e894a4f85603fa8301627938aa077434f407