[INFO] cloning repository https://github.com/webbrandon/rust-cli-autocomplete-autogen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/webbrandon/rust-cli-autocomplete-autogen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebbrandon%2Frust-cli-autocomplete-autogen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebbrandon%2Frust-cli-autocomplete-autogen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b948c6b1a12e52ab522c987447c24bb955d2fbf0
[INFO] testing webbrandon/rust-cli-autocomplete-autogen against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebbrandon%2Frust-cli-autocomplete-autogen" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/webbrandon/rust-cli-autocomplete-autogen 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 git repo https://github.com/webbrandon/rust-cli-autocomplete-autogen
[INFO] finished tweaking git repo https://github.com/webbrandon/rust-cli-autocomplete-autogen
[INFO] tweaked toml for git repo https://github.com/webbrandon/rust-cli-autocomplete-autogen written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/webbrandon/rust-cli-autocomplete-autogen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.2.15
[INFO] [stderr]   Downloaded structopt-derive v0.2.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 71e00bff345ba4eabf9beb3c11642a101844bcd8bbf4a5e4b0079e156a1ce85a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71e00bff345ba4eabf9beb3c11642a101844bcd8bbf4a5e4b0079e156a1ce85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71e00bff345ba4eabf9beb3c11642a101844bcd8bbf4a5e4b0079e156a1ce85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e00bff345ba4eabf9beb3c11642a101844bcd8bbf4a5e4b0079e156a1ce85a", kill_on_drop: false }`
[INFO] [stdout] 71e00bff345ba4eabf9beb3c11642a101844bcd8bbf4a5e4b0079e156a1ce85a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b9cbb544952a6ab71b6b32479376ea3cf1ba273e303ef8deb2dd4058eeb12ec0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b9cbb544952a6ab71b6b32479376ea3cf1ba273e303ef8deb2dd4058eeb12ec0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling complete v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `complete v2.0.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/complete-6289ada2b21cc0ce/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'couldn't create completion file: read-only filesystem or storage medium', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/parser.rs:131:25
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55615bd59280 - 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:     0x55615bd59280 - 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:     0x55615bd59280 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55615bd59280 - <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:     0x55615bd733ac - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x55615bd576b5 - std::io::Write::write_fmt::h00f38d9eb2c32e02
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15
[INFO] [stderr]      6:     0x55615bd5af1b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55615bd5af1b - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55615bd5af1b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55615bd5a9f1 - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55615bd5b5e4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55615bd5b0c7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55615bd5977c - 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:     0x55615bd5b029 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55615bcdca7b - std::panicking::begin_panic_fmt::h124dfb9fde553188
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:457:5
[INFO] [stderr]     15:     0x55615bcf7627 - clap::app::parser::Parser::gen_completions::hb15e0668e7342bba
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/parser.rs:131:25
[INFO] [stderr]     16:     0x55615bce7c09 - clap::app::App::gen_completions::h4116029d5acb505a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/mod.rs:1391:9
[INFO] [stderr]     17:     0x55615bce6ab4 - build_script_build::create_completion_scripts::h52351a7ac5613d05
[INFO] [stderr]                                  at /opt/rustwide/workdir/src/build.rs:22:5
[INFO] [stderr]     18:     0x55615bce69be - build_script_build::main::h859ce972c7dfd0c0
[INFO] [stderr]                                  at /opt/rustwide/workdir/src/build.rs:13:5
[INFO] [stderr]     19:     0x55615bce078b - core::ops::function::FnOnce::call_once::h720d71bae5c74f77
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55615bce2e1e - std::sys_common::backtrace::__rust_begin_short_backtrace::hc18f0f0f0062ece7
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55615bce04f1 - std::rt::lang_start::{{closure}}::hc8deaaef18f37123
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:63:18
[INFO] [stderr]     22:     0x55615bd5baea - 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]     23:     0x55615bd5baea - std::panicking::try::do_call::h1c15e7ee8563c29d
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x55615bd5baea - std::panicking::try::hb8b07cef009cb4fc
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x55615bd5baea - std::panic::catch_unwind::h65a8efbe596bcbb1
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x55615bd5baea - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:48
[INFO] [stderr]     27:     0x55615bd5baea - std::panicking::try::do_call::h29cafa65efb3f3f3
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40
[INFO] [stderr]     28:     0x55615bd5baea - std::panicking::try::h412fc5378b4dbfc4
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19
[INFO] [stderr]     29:     0x55615bd5baea - std::panic::catch_unwind::h555def6aac5bf192
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14
[INFO] [stderr]     30:     0x55615bd5baea - std::rt::lang_start_internal::hfff48202d7fee6e3
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:20
[INFO] [stderr]     31:     0x55615bce04c0 - std::rt::lang_start::h9484dbf54b070eb3
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:62:5
[INFO] [stderr]     32:     0x55615bce72ac - main
[INFO] [stderr]     33:     0x7f01f90ad0b3 - __libc_start_main
[INFO] [stderr]     34:     0x55615bcdd83e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "b9cbb544952a6ab71b6b32479376ea3cf1ba273e303ef8deb2dd4058eeb12ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9cbb544952a6ab71b6b32479376ea3cf1ba273e303ef8deb2dd4058eeb12ec0", kill_on_drop: false }`
[INFO] [stdout] b9cbb544952a6ab71b6b32479376ea3cf1ba273e303ef8deb2dd4058eeb12ec0