[INFO] cloning repository https://github.com/quiz-arena-net/quiz-arena-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quiz-arena-net/quiz-arena-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquiz-arena-net%2Fquiz-arena-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquiz-arena-net%2Fquiz-arena-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc6ac9a642061b768792028906e57e4370c89acd
[INFO] checking quiz-arena-net/quiz-arena-backend against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquiz-arena-net%2Fquiz-arena-backend" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/quiz-arena-net/quiz-arena-backend
[INFO] finished tweaking git repo https://github.com/quiz-arena-net/quiz-arena-backend
[INFO] tweaked toml for git repo https://github.com/quiz-arena-net/quiz-arena-backend written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/quiz-arena-net/quiz-arena-backend on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/quiz-arena-net/quiz-arena-backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 47627d85a0be23ecef6d80eff65ae74fb9b043e4b0f10b2f6b17280b26ca787c
[INFO] running `Command { std: "docker" "start" "47627d85a0be23ecef6d80eff65ae74fb9b043e4b0f10b2f6b17280b26ca787c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47627d85a0be23ecef6d80eff65ae74fb9b043e4b0f10b2f6b17280b26ca787c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "47627d85a0be23ecef6d80eff65ae74fb9b043e4b0f10b2f6b17280b26ca787c" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47627d85a0be23ecef6d80eff65ae74fb9b043e4b0f10b2f6b17280b26ca787c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "47627d85a0be23ecef6d80eff65ae74fb9b043e4b0f10b2f6b17280b26ca787c" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling buffa-descriptor v0.8.1
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[INFO] [stderr]    Compiling buffa-codegen v0.8.1
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[INFO] [stderr]    Compiling connectrpc-codegen v0.8.0
[INFO] [stderr]    Compiling connectrpc-build v0.8.0
[INFO] [stderr]    Compiling quiz-arena-proto v0.1.0 (/opt/rustwide/workdir/crates/proto)
[INFO] [stderr] error: failed to run custom build command for `quiz-arena-proto v0.1.0 (/opt/rustwide/workdir/crates/proto)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/quiz-arena-proto/8d1b9d6df66f0c7c/out/build_script_build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=../../api/proto
[INFO] [stderr]   cargo:rerun-if-changed=../../buf.yaml
[INFO] [stderr]   cargo:rerun-if-changed=../../buf.lock
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: failed to spawn buf (is it on PATH?)
[INFO] [stderr] 
[INFO] [stderr]   Caused by:
[INFO] [stderr]       No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr]   Stack backtrace:
[INFO] [stderr]      0: <core::io::error::Error as anyhow::context::ext::StdError>::ext_context::<&str>
[INFO] [stderr]      1: <core::result::Result<std::process::Output, core::io::error::Error> as anyhow::Context<std::process::Output, core::io::error::Error>>::context::<&str>
[INFO] [stderr]      2: build_script_build::build_descriptor_set
[INFO] [stderr]      3: build_script_build::main
[INFO] [stderr]      4: <fn() -> core::result::Result<(), anyhow::Error> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]      5: std::sys::backtrace::__rust_begin_short_backtrace::<fn() -> core::result::Result<(), anyhow::Error>, core::result::Result<(), anyhow::Error>>
[INFO] [stderr]      6: std::rt::lang_start::<core::result::Result<(), anyhow::Error>>::{closure#0}
[INFO] [stderr]      7: <&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe as core::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/ops/function.rs:287:21
[INFO] [stderr]      8: std::panicking::catch_unwind::do_call::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:573:43
[INFO] [stderr]      9: std::panicking::catch_unwind::<i32, &dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:541:19
[INFO] [stderr]     10: std::panic::catch_unwind::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     11: std::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/rt.rs:175:24
[INFO] [stderr]     12: std::panicking::catch_unwind::do_call::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:573:43
[INFO] [stderr]     13: std::panicking::catch_unwind::<isize, std::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:541:19
[INFO] [stderr]     14: std::panic::catch_unwind::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     15: std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/rt.rs:171:5
[INFO] [stderr]     16: std::rt::lang_start::<core::result::Result<(), anyhow::Error>>
[INFO] [stderr]     17: main
[INFO] [stderr]     18: <unknown>
[INFO] [stderr]     19: __libc_start_main
[INFO] [stderr]     20: _start
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "47627d85a0be23ecef6d80eff65ae74fb9b043e4b0f10b2f6b17280b26ca787c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47627d85a0be23ecef6d80eff65ae74fb9b043e4b0f10b2f6b17280b26ca787c", kill_on_drop: false }`
[INFO] [stdout] 47627d85a0be23ecef6d80eff65ae74fb9b043e4b0f10b2f6b17280b26ca787c
