[INFO] cloning repository https://github.com/woodgear/ngx_eyes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woodgear/ngx_eyes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fngx_eyes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fngx_eyes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81239f0eb67c347f3e9db8b9cf365399f1dab519
[INFO] checking woodgear/ngx_eyes against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fngx_eyes" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/woodgear/ngx_eyes
[INFO] finished tweaking git repo https://github.com/woodgear/ngx_eyes
[INFO] tweaked toml for git repo https://github.com/woodgear/ngx_eyes written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/woodgear/ngx_eyes on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/woodgear/ngx_eyes 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.2.11
[INFO] [stderr]   Downloaded anyhow v1.0.55
[INFO] [stderr]   Downloaded semver v1.0.6
[INFO] [stderr]   Downloaded object v0.25.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8cbf1c5c89f9ce653e36b863e682f049fd3a66d9f0a64cdf65e5cbaf0d2232a
[INFO] running `Command { std: "docker" "start" "-a" "d8cbf1c5c89f9ce653e36b863e682f049fd3a66d9f0a64cdf65e5cbaf0d2232a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8cbf1c5c89f9ce653e36b863e682f049fd3a66d9f0a64cdf65e5cbaf0d2232a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8cbf1c5c89f9ce653e36b863e682f049fd3a66d9f0a64cdf65e5cbaf0d2232a", kill_on_drop: false }`
[INFO] [stdout] d8cbf1c5c89f9ce653e36b863e682f049fd3a66d9f0a64cdf65e5cbaf0d2232a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 255f9276d67901845c04ff2ad5c2eab31119739f501b40133b79f9d628c1a606
[INFO] running `Command { std: "docker" "start" "-a" "255f9276d67901845c04ff2ad5c2eab31119739f501b40133b79f9d628c1a606", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling libbpf-sys v0.5.0-2
[INFO] [stderr]    Compiling vsprintf v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap2 v0.3.1
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling cargo_metadata v0.12.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]    Compiling num_enum v0.5.7
[INFO] [stderr]     Checking libbpf-rs v0.14.0
[INFO] [stderr]    Compiling libbpf-cargo v0.9.3
[INFO] [stderr]    Compiling ngx_eyes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `ngx_eyes 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/ngx_eyes-05fb4ddf4cb4d623/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1471) panicked at build.rs:17:41:
[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:     0x56b75b163092 - std[7d609349af90bec6]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x56b75b163092 - std[7d609349af90bec6]::backtrace_rs::backtrace::trace_unsynchronized::<std[7d609349af90bec6]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x56b75b163092 - std[7d609349af90bec6]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x56b75b163092 - <<std[7d609349af90bec6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x56b75b176dfa - <core[75ca2badb63c4514]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x56b75b176dfa - core[75ca2badb63c4514]::fmt::write
[INFO] [stderr]      6:     0x56b75b168376 - std[7d609349af90bec6]::io::default_write_fmt::<std[7d609349af90bec6]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x56b75b168376 - <std[7d609349af90bec6]::sys::stdio::unix::Stderr as std[7d609349af90bec6]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x56b75b1460cf - <std[7d609349af90bec6]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x56b75b1460cf - std[7d609349af90bec6]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x56b75b15dd91 - std[7d609349af90bec6]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x56b75b15df4b - std[7d609349af90bec6]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x56b75b146188 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x56b75b13db39 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace::<std[7d609349af90bec6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x56b75b146b2d - __rustc[69841a6cbc58d81d]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x56b75b17753c - core[75ca2badb63c4514]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x56b75b1772b2 - core[75ca2badb63c4514]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x56b75afc1daa - build_script_build[b156e49ee2d46c5e]::main
[INFO] [stderr]     18:     0x56b75afc2cf3 - <fn() as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x56b75afc1a86 - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x56b75afc1d09 - std[7d609349af90bec6]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x56b75b15cf56 - <&dyn core[75ca2badb63c4514]::ops::function::Fn<(), Output = i32> + core[75ca2badb63c4514]::marker::Sync + core[75ca2badb63c4514]::panic::unwind_safe::RefUnwindSafe as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x56b75b15cf56 - std[7d609349af90bec6]::panicking::catch_unwind::do_call::<&dyn core[75ca2badb63c4514]::ops::function::Fn<(), Output = i32> + core[75ca2badb63c4514]::marker::Sync + core[75ca2badb63c4514]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x56b75b15cf56 - std[7d609349af90bec6]::panicking::catch_unwind::<i32, &dyn core[75ca2badb63c4514]::ops::function::Fn<(), Output = i32> + core[75ca2badb63c4514]::marker::Sync + core[75ca2badb63c4514]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x56b75b15cf56 - std[7d609349af90bec6]::panic::catch_unwind::<&dyn core[75ca2badb63c4514]::ops::function::Fn<(), Output = i32> + core[75ca2badb63c4514]::marker::Sync + core[75ca2badb63c4514]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x56b75b15cf56 - std[7d609349af90bec6]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x56b75b15cf56 - std[7d609349af90bec6]::panicking::catch_unwind::do_call::<std[7d609349af90bec6]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x56b75b15cf56 - std[7d609349af90bec6]::panicking::catch_unwind::<isize, std[7d609349af90bec6]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x56b75b15cf56 - std[7d609349af90bec6]::panic::catch_unwind::<std[7d609349af90bec6]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x56b75b15cf56 - std[7d609349af90bec6]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x56b75afc1a71 - std[7d609349af90bec6]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x56b75afc2d55 - main
[INFO] [stderr]     32:     0x757569e7d1ca - <unknown>
[INFO] [stderr]     33:     0x757569e7d28b - __libc_start_main
[INFO] [stderr]     34:     0x56b75afc08a5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "255f9276d67901845c04ff2ad5c2eab31119739f501b40133b79f9d628c1a606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255f9276d67901845c04ff2ad5c2eab31119739f501b40133b79f9d628c1a606", kill_on_drop: false }`
[INFO] [stdout] 255f9276d67901845c04ff2ad5c2eab31119739f501b40133b79f9d628c1a606