[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 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-nasa%2Fisucon6_rust" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/k-nasa/isucon6_rust on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+1.55.0" "fetch" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5bd09e8bab150ab872bc81ecfea16a5c97388a8dc15a4619e3126df8908b16e [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" "c5bd09e8bab150ab872bc81ecfea16a5c97388a8dc15a4619e3126df8908b16e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5bd09e8bab150ab872bc81ecfea16a5c97388a8dc15a4619e3126df8908b16e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5bd09e8bab150ab872bc81ecfea16a5c97388a8dc15a4619e3126df8908b16e", kill_on_drop: false }` [INFO] [stdout] c5bd09e8bab150ab872bc81ecfea16a5c97388a8dc15a4619e3126df8908b16e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b27b11598cc8f4941088492aa0a9cb60f8a0cd21cf65c841ec88cdc7e5f236fc [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" "b27b11598cc8f4941088492aa0a9cb60f8a0cd21cf65c841ec88cdc7e5f236fc", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.29 [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 num-integer v0.1.39 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling crc32fast v1.1.2 [INFO] [stderr] Compiling unic-char-range v0.7.0 [INFO] [stderr] Compiling openssl v0.10.16 [INFO] [stderr] Compiling unic-common v0.7.0 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Compiling string v0.1.3 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling deunicode v0.4.3 [INFO] [stderr] Compiling encoding_rs v0.8.16 [INFO] [stderr] Compiling mysql v15.1.0 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Compiling dtoa v0.4.3 [INFO] [stderr] Compiling arrayref v0.3.5 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling bufstream v0.1.4 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling rocket_codegen v0.4.0 [INFO] [stderr] Compiling rocket v0.4.0 [INFO] [stderr] Compiling block-padding v0.1.3 [INFO] [stderr] Compiling pest v2.1.0 [INFO] [stderr] Compiling unic-ucd-version v0.7.0 [INFO] [stderr] Compiling unic-char-property v0.7.0 [INFO] [stderr] Compiling smallvec v0.6.8 [INFO] [stderr] Compiling slug v0.1.4 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling pear_codegen v0.1.2 [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 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 nix v0.12.0 [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-c4a67cbd2bcaf336/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.55.0 (2021-09-06). 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: 0x55eda23e0a50 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55eda23e0a50 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55eda23e0a50 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55eda23e0a50 - ::fmt::he1640d5f0d93f618 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55eda23fda2c - core::fmt::write::h88012e1f01caeebf [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x55eda23de7c5 - std::io::Write::write_fmt::h360fa85b30182555 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x55eda23e268b - std::sys_common::backtrace::_print::ha1f00492f406a015 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55eda23e268b - std::sys_common::backtrace::print::hd54561b13feb6af3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55eda23e268b - std::panicking::default_hook::{{closure}}::h84fe124cd0864662 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55eda23e2161 - std::panicking::default_hook::h5a8e74a76ce290a7 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55eda23e2d54 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55eda23b496f - std::panicking::begin_panic::{{closure}}::h637fafd7764b7de4 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:542:9 [INFO] [stderr] 12: 0x55eda23b4608 - std::sys_common::backtrace::__rust_end_short_backtrace::hcfec70d9968f957e [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55eda23b48b5 - std::panicking::begin_panic::ha76b73adabf22511 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:541:12 [INFO] [stderr] 14: 0x55eda23b315f - build_script_build::main::h541abd4ad6627ca8 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31:13 [INFO] [stderr] 15: 0x55eda23b549b - core::ops::function::FnOnce::call_once::h26c8828f9cd48bba [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x55eda23b464e - std::sys_common::backtrace::__rust_begin_short_backtrace::h69ea06978b425f59 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x55eda23b43e1 - std::rt::lang_start::{{closure}}::hc5163bfbbfa29b7e [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:63:18 [INFO] [stderr] 18: 0x55eda23e325a - core::ops::function::impls:: for &F>::call_once::ha9408abe89f69dc4 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x55eda23e325a - std::panicking::try::do_call::h5b0cc9e9102acb65 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stderr] 20: 0x55eda23e325a - std::panicking::try::hddc7f8229138b3ba [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stderr] 21: 0x55eda23e325a - std::panic::catch_unwind::hfa401ff8bab2986e [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stderr] 22: 0x55eda23e325a - std::rt::lang_start_internal::{{closure}}::h8163422320d11405 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:48 [INFO] [stderr] 23: 0x55eda23e325a - std::panicking::try::do_call::hc742cc7bb4f0fb20 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stderr] 24: 0x55eda23e325a - std::panicking::try::ha37d8d2dd1acf7d3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stderr] 25: 0x55eda23e325a - std::panic::catch_unwind::h8a5381d5ecf437bc [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stderr] 26: 0x55eda23e325a - std::rt::lang_start_internal::h7e2cee8c90d4a4d3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:20 [INFO] [stderr] 27: 0x55eda23b43b0 - std::rt::lang_start::h4d405e16be55d4d6 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:62:5 [INFO] [stderr] 28: 0x55eda23b3ddc - main [INFO] [stderr] 29: 0x7f0c4ac600b3 - __libc_start_main [INFO] [stderr] 30: 0x55eda23b293e - _start [INFO] [stderr] 31: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b27b11598cc8f4941088492aa0a9cb60f8a0cd21cf65c841ec88cdc7e5f236fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b27b11598cc8f4941088492aa0a9cb60f8a0cd21cf65c841ec88cdc7e5f236fc", kill_on_drop: false }` [INFO] [stdout] b27b11598cc8f4941088492aa0a9cb60f8a0cd21cf65c841ec88cdc7e5f236fc