[INFO] fetching crate degreen 0.1.1...
[INFO] testing degreen-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate degreen 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate degreen 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate degreen 0.1.1
[INFO] finished tweaking crates.io crate degreen 0.1.1
[INFO] tweaked toml for crates.io crate degreen 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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 pkg v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfba8c069ca7470d71df8783bee4c9bd85584c46ef8ed33f5daa01fa2e2ab9b5
[INFO] running `Command { std: "docker" "start" "-a" "dfba8c069ca7470d71df8783bee4c9bd85584c46ef8ed33f5daa01fa2e2ab9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfba8c069ca7470d71df8783bee4c9bd85584c46ef8ed33f5daa01fa2e2ab9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfba8c069ca7470d71df8783bee4c9bd85584c46ef8ed33f5daa01fa2e2ab9b5", kill_on_drop: false }`
[INFO] [stdout] dfba8c069ca7470d71df8783bee4c9bd85584c46ef8ed33f5daa01fa2e2ab9b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96b6a4342b63d93f2f68bd2248373fa0e8753ee80ece754e3caf0e1cc6191a13
[INFO] running `Command { std: "docker" "start" "-a" "96b6a4342b63d93f2f68bd2248373fa0e8753ee80ece754e3caf0e1cc6191a13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling pkg v1.1.0
[INFO] [stderr]    Compiling degreen v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `degreen v0.1.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/degreen-cea994301bd21b28/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'byte index 7 is out of bounds of ``', build.rs:23:25
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56092d17d580 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56092d17d580 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56092d17d580 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56092d17d580 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56092d19a5ec - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x56092d17b3f5 - std::io::Write::write_fmt::h00f38d9eb2c32e02
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15
[INFO] [stderr]      6:     0x56092d17f1ab - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56092d17f1ab - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56092d17f1ab - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56092d17ec81 - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56092d17f874 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x56092d17f357 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x56092d17da7c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56092d17f2b9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x56092d15c201 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x56092d15c6f3 - core::str::slice_error_fail::he0adaf23c18f67f8
[INFO] [stderr]     16:     0x56092d162100 - core::str::traits::<impl core::slice::index::SliceIndex<str> for core::ops::range::RangeTo<usize>>::index::h535f7b6585d2eb5d
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/str/traits.rs:289:21
[INFO] [stderr]     17:     0x56092d15e0a8 - core::str::traits::<impl core::ops::index::Index<I> for str>::index::hccea2da37443d429
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/str/traits.rs:64:9
[INFO] [stderr]     18:     0x56092d15cd77 - build_script_build::set_version::h9155317538bf7469
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:23:25
[INFO] [stderr]     19:     0x56092d15cb89 - build_script_build::main::hb23b7bf4259aa373
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:8:5
[INFO] [stderr]     20:     0x56092d15d25b - core::ops::function::FnOnce::call_once::h0188af8357b580ca
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     21:     0x56092d15d3ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h640393cf0fa297cd
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     22:     0x56092d15d371 - std::rt::lang_start::{{closure}}::h4462d0c4a5722e30
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:63:18
[INFO] [stderr]     23:     0x56092d17fd7a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcbe5785d54a49ce2
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     24:     0x56092d17fd7a - std::panicking::try::do_call::h1c15e7ee8563c29d
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40
[INFO] [stderr]     25:     0x56092d17fd7a - std::panicking::try::hb8b07cef009cb4fc
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19
[INFO] [stderr]     26:     0x56092d17fd7a - std::panic::catch_unwind::h65a8efbe596bcbb1
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14
[INFO] [stderr]     27:     0x56092d17fd7a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:48
[INFO] [stderr]     28:     0x56092d17fd7a - std::panicking::try::do_call::h29cafa65efb3f3f3
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40
[INFO] [stderr]     29:     0x56092d17fd7a - std::panicking::try::h412fc5378b4dbfc4
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19
[INFO] [stderr]     30:     0x56092d17fd7a - std::panic::catch_unwind::h555def6aac5bf192
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14
[INFO] [stderr]     31:     0x56092d17fd7a - std::rt::lang_start_internal::hfff48202d7fee6e3
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:20
[INFO] [stderr]     32:     0x56092d15d340 - std::rt::lang_start::h5619c9cd054e3c2c
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:62:5
[INFO] [stderr]     33:     0x56092d15d12c - main
[INFO] [stderr]     34:     0x7fd00d1a40b3 - __libc_start_main
[INFO] [stderr]     35:     0x56092d15c95e - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "96b6a4342b63d93f2f68bd2248373fa0e8753ee80ece754e3caf0e1cc6191a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b6a4342b63d93f2f68bd2248373fa0e8753ee80ece754e3caf0e1cc6191a13", kill_on_drop: false }`
[INFO] [stdout] 96b6a4342b63d93f2f68bd2248373fa0e8753ee80ece754e3caf0e1cc6191a13