[INFO] cloning repository https://github.com/luyikk/prost-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luyikk/prost-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyikk%2Fprost-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyikk%2Fprost-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c861a3740f0bae3ca9a38c7ed252fc41d5bce356
[INFO] testing luyikk/prost-test against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyikk%2Fprost-test" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luyikk/prost-test
[INFO] finished tweaking git repo https://github.com/luyikk/prost-test
[INFO] tweaked toml for git repo https://github.com/luyikk/prost-test written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luyikk/prost-test on toolchain 7704328ba5ae8d6ce0ac303c9d5a1a1605906766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luyikk/prost-test 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" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-msg-id v0.1.2
[INFO] [stderr]   Downloaded prost v0.10.1
[INFO] [stderr]   Downloaded prost-msg-build v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61f81cadabd3cadb3f9718e4c5c0e1394872e541bd0d04c0afa6b3bdeb80f5ba
[INFO] running `Command { std: "docker" "start" "-a" "61f81cadabd3cadb3f9718e4c5c0e1394872e541bd0d04c0afa6b3bdeb80f5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61f81cadabd3cadb3f9718e4c5c0e1394872e541bd0d04c0afa6b3bdeb80f5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f81cadabd3cadb3f9718e4c5c0e1394872e541bd0d04c0afa6b3bdeb80f5ba", kill_on_drop: false }`
[INFO] [stdout] 61f81cadabd3cadb3f9718e4c5c0e1394872e541bd0d04c0afa6b3bdeb80f5ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8f9f590c969bba9f6a0c6d918f2ce81150dd21a5dc20a068c499c3d3780b6aa
[INFO] running `Command { std: "docker" "start" "-a" "a8f9f590c969bba9f6a0c6d918f2ce81150dd21a5dc20a068c499c3d3780b6aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling prost-msg-id v0.1.2
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling prost-msg-build v0.1.5
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling prost v0.10.1
[INFO] [stderr]    Compiling prost-types v0.10.1
[INFO] [stderr]    Compiling prost-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `prost-test v0.1.0 (/opt/rustwide/workdir)`
[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/prost-test-6502c86af9f2f50f/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (711) panicked at build.rs:7:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e9ab6c829d2 - std[ed5b486fa4cdb954]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e9ab6c829d2 - std[ed5b486fa4cdb954]::backtrace_rs::backtrace::trace_unsynchronized::<std[ed5b486fa4cdb954]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e9ab6c829d2 - std[ed5b486fa4cdb954]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5e9ab6c829d2 - <<std[ed5b486fa4cdb954]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[ab67b43d93431064]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5e9ab6c9595a - <core[ab67b43d93431064]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5e9ab6c9595a - core[ab67b43d93431064]::fmt::write
[INFO] [stderr]      6:     0x5e9ab6c87456 - std[ed5b486fa4cdb954]::io::default_write_fmt::<std[ed5b486fa4cdb954]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e9ab6c87456 - <std[ed5b486fa4cdb954]::sys::stdio::unix::Stderr as std[ed5b486fa4cdb954]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5e9ab6c657ff - <std[ed5b486fa4cdb954]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5e9ab6c657ff - std[ed5b486fa4cdb954]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5e9ab6c7d2f1 - std[ed5b486fa4cdb954]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5e9ab6c7d4ab - std[ed5b486fa4cdb954]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5e9ab6c658b8 - std[ed5b486fa4cdb954]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5e9ab6c5d1e9 - std[ed5b486fa4cdb954]::sys::backtrace::__rust_end_short_backtrace::<std[ed5b486fa4cdb954]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5e9ab6c661dd - __rustc[5067f77124470312]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5e9ab6c9611c - core[ab67b43d93431064]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5e9ab6c95e92 - core[ab67b43d93431064]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5e9ab6b57081 - build_script_build[34c79333a09cae0f]::main
[INFO] [stderr]     18:     0x5e9ab6b55d33 - <fn() as core[ab67b43d93431064]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5e9ab6b4ef86 - std[ed5b486fa4cdb954]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5e9ab6b56db9 - std[ed5b486fa4cdb954]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5e9ab6c7c4b6 - <&dyn core[ab67b43d93431064]::ops::function::Fn<(), Output = i32> + core[ab67b43d93431064]::panic::unwind_safe::RefUnwindSafe + core[ab67b43d93431064]::marker::Sync as core[ab67b43d93431064]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5e9ab6c7c4b6 - std[ed5b486fa4cdb954]::panicking::catch_unwind::do_call::<&dyn core[ab67b43d93431064]::ops::function::Fn<(), Output = i32> + core[ab67b43d93431064]::panic::unwind_safe::RefUnwindSafe + core[ab67b43d93431064]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x5e9ab6c7c4b6 - std[ed5b486fa4cdb954]::panicking::catch_unwind::<i32, &dyn core[ab67b43d93431064]::ops::function::Fn<(), Output = i32> + core[ab67b43d93431064]::panic::unwind_safe::RefUnwindSafe + core[ab67b43d93431064]::marker::Sync>
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x5e9ab6c7c4b6 - std[ed5b486fa4cdb954]::panic::catch_unwind::<&dyn core[ab67b43d93431064]::ops::function::Fn<(), Output = i32> + core[ab67b43d93431064]::panic::unwind_safe::RefUnwindSafe + core[ab67b43d93431064]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5e9ab6c7c4b6 - std[ed5b486fa4cdb954]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5e9ab6c7c4b6 - std[ed5b486fa4cdb954]::panicking::catch_unwind::do_call::<std[ed5b486fa4cdb954]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x5e9ab6c7c4b6 - std[ed5b486fa4cdb954]::panicking::catch_unwind::<isize, std[ed5b486fa4cdb954]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5e9ab6c7c4b6 - std[ed5b486fa4cdb954]::panic::catch_unwind::<std[ed5b486fa4cdb954]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5e9ab6c7c4b6 - std[ed5b486fa4cdb954]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5e9ab6b56b81 - std[ed5b486fa4cdb954]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5e9ab6b59825 - main
[INFO] [stderr]     32:     0x7d7ac37671ca - <unknown>
[INFO] [stderr]     33:     0x7d7ac376728b - __libc_start_main
[INFO] [stderr]     34:     0x5e9ab6b47ed5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "a8f9f590c969bba9f6a0c6d918f2ce81150dd21a5dc20a068c499c3d3780b6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f9f590c969bba9f6a0c6d918f2ce81150dd21a5dc20a068c499c3d3780b6aa", kill_on_drop: false }`
[INFO] [stdout] a8f9f590c969bba9f6a0c6d918f2ce81150dd21a5dc20a068c499c3d3780b6aa