[INFO] fetching crate wireguard_exporter 0.3.0...
[INFO] checking wireguard_exporter-0.3.0 against try#1463461488056994d1b84e8b752e7c11c7fae7aa for pr-154205
[INFO] extracting crate wireguard_exporter 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate wireguard_exporter 0.3.0
[INFO] finished tweaking crates.io crate wireguard_exporter 0.3.0
[INFO] tweaked toml for crates.io crate wireguard_exporter 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wireguard_exporter 0.3.0 on toolchain 1463461488056994d1b84e8b752e7c11c7fae7aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wireguard_exporter 0.3.0 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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d82bd6c6485fa710c78edf94131fbb5a08f3fb3a0a90243d82f0831ad130a103
[INFO] running `Command { std: "docker" "start" "-a" "d82bd6c6485fa710c78edf94131fbb5a08f3fb3a0a90243d82f0831ad130a103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d82bd6c6485fa710c78edf94131fbb5a08f3fb3a0a90243d82f0831ad130a103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82bd6c6485fa710c78edf94131fbb5a08f3fb3a0a90243d82f0831ad130a103", kill_on_drop: false }`
[INFO] [stdout] d82bd6c6485fa710c78edf94131fbb5a08f3fb3a0a90243d82f0831ad130a103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b813d068d0e7344379b7b991049e42d2e1fb878703e21fd6ac6653ccf8c4a64c
[INFO] running `Command { std: "docker" "start" "-a" "b813d068d0e7344379b7b991049e42d2e1fb878703e21fd6ac6653ccf8c4a64c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling protobuf v2.25.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling os_str_bytes v4.2.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking time v0.3.5
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.1
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling clap v3.0.0-beta.5
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]    Compiling wireguard_exporter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] [FMTARGS] {"crate":"build_script_build","p":4,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] error: failed to run custom build command for `wireguard_exporter v0.3.0 (/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/wireguard_exporter-f65db987d73b11f7/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1624) panicked at build.rs:14:18:
[INFO] [stderr]   end byte index 10 is out of bounds for string of length 0
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x590bece2e9ca - std[843dc0b1bda91b1f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x590bece2e9ca - std[843dc0b1bda91b1f]::backtrace_rs::backtrace::trace_unsynchronized::<std[843dc0b1bda91b1f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x590bece2e9ca - std[843dc0b1bda91b1f]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x590bece2e9ca - <<std[843dc0b1bda91b1f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[dce7ba9de88d7a1a]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x590bece3f83a - <core[dce7ba9de88d7a1a]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x590bece3f83a - core[dce7ba9de88d7a1a]::fmt::write
[INFO] [stderr]      6:     0x590bece32a52 - std[843dc0b1bda91b1f]::io::default_write_fmt::<std[843dc0b1bda91b1f]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x590bece32a52 - <std[843dc0b1bda91b1f]::sys::stdio::unix::Stderr as std[843dc0b1bda91b1f]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x590bece1460f - <std[843dc0b1bda91b1f]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x590bece1460f - std[843dc0b1bda91b1f]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x590bece2a681 - std[843dc0b1bda91b1f]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x590bece2a83b - std[843dc0b1bda91b1f]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x590bece146c8 - std[843dc0b1bda91b1f]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x590bece09ae9 - std[843dc0b1bda91b1f]::sys::backtrace::__rust_end_short_backtrace::<std[843dc0b1bda91b1f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x590bece14f2d - __rustc[e785788a2a4cee43]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x590bece3ff2c - core[dce7ba9de88d7a1a]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x590bece3f92a - core[dce7ba9de88d7a1a]::str::slice_error_fail_rt
[INFO] [stderr]     17:     0x590bece3f89a - core[dce7ba9de88d7a1a]::str::slice_error_fail
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/core/src/str/mod.rs:69:5
[INFO] [stderr]     18:     0x590becdfc510 - <core[dce7ba9de88d7a1a]::ops::range::RangeTo<usize> as core[dce7ba9de88d7a1a]::slice::index::SliceIndex<str>>::index
[INFO] [stderr]     19:     0x590becdfc65c - <alloc[82068be6e174b6fe]::string::String as core[dce7ba9de88d7a1a]::ops::index::Index<core[dce7ba9de88d7a1a]::ops::range::RangeTo<usize>>>::index
[INFO] [stderr]     20:     0x590becdfa8da - build_script_build[8dbf3765c1531987]::main
[INFO] [stderr]     21:     0x590becdfc6f3 - <fn() as core[dce7ba9de88d7a1a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     22:     0x590becdfa436 - std[843dc0b1bda91b1f]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     23:     0x590becdfa5a9 - std[843dc0b1bda91b1f]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     24:     0x590bece29a04 - <&dyn core[dce7ba9de88d7a1a]::ops::function::Fn<(), Output = i32> + core[dce7ba9de88d7a1a]::panic::unwind_safe::RefUnwindSafe + core[dce7ba9de88d7a1a]::marker::Sync as core[dce7ba9de88d7a1a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     25:     0x590bece29a04 - std[843dc0b1bda91b1f]::panicking::catch_unwind::do_call::<&dyn core[dce7ba9de88d7a1a]::ops::function::Fn<(), Output = i32> + core[dce7ba9de88d7a1a]::panic::unwind_safe::RefUnwindSafe + core[dce7ba9de88d7a1a]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/panicking.rs:581:40
[INFO] [stderr]     26:     0x590bece29a04 - std[843dc0b1bda91b1f]::panicking::catch_unwind::<i32, &dyn core[dce7ba9de88d7a1a]::ops::function::Fn<(), Output = i32> + core[dce7ba9de88d7a1a]::panic::unwind_safe::RefUnwindSafe + core[dce7ba9de88d7a1a]::marker::Sync>
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/panicking.rs:544:19
[INFO] [stderr]     27:     0x590bece29a04 - std[843dc0b1bda91b1f]::panic::catch_unwind::<&dyn core[dce7ba9de88d7a1a]::ops::function::Fn<(), Output = i32> + core[dce7ba9de88d7a1a]::panic::unwind_safe::RefUnwindSafe + core[dce7ba9de88d7a1a]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x590bece29a04 - std[843dc0b1bda91b1f]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/rt.rs:175:24
[INFO] [stderr]     29:     0x590bece29a04 - std[843dc0b1bda91b1f]::panicking::catch_unwind::do_call::<std[843dc0b1bda91b1f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/panicking.rs:581:40
[INFO] [stderr]     30:     0x590bece29a04 - std[843dc0b1bda91b1f]::panicking::catch_unwind::<isize, std[843dc0b1bda91b1f]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/panicking.rs:544:19
[INFO] [stderr]     31:     0x590bece29a04 - std[843dc0b1bda91b1f]::panic::catch_unwind::<std[843dc0b1bda91b1f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/panic.rs:359:14
[INFO] [stderr]     32:     0x590bece29a04 - std[843dc0b1bda91b1f]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/1463461488056994d1b84e8b752e7c11c7fae7aa/library/std/src/rt.rs:171:5
[INFO] [stderr]     33:     0x590becdf9e81 - std[843dc0b1bda91b1f]::rt::lang_start::<()>
[INFO] [stderr]     34:     0x590becdfca25 - main
[INFO] [stderr]     35:     0x76db442411ca - <unknown>
[INFO] [stderr]     36:     0x76db4424128b - __libc_start_main
[INFO] [stderr]     37:     0x590becdf9555 - _start
[INFO] [stderr]     38:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b813d068d0e7344379b7b991049e42d2e1fb878703e21fd6ac6653ccf8c4a64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b813d068d0e7344379b7b991049e42d2e1fb878703e21fd6ac6653ccf8c4a64c", kill_on_drop: false }`
[INFO] [stdout] b813d068d0e7344379b7b991049e42d2e1fb878703e21fd6ac6653ccf8c4a64c