[INFO] cloning repository https://github.com/insomnimus/rs-which
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/insomnimus/rs-which" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsomnimus%2Frs-which", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsomnimus%2Frs-which'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a03fab92f93e91d22e4853406781301a9a21b7f6
[INFO] testing insomnimus/rs-which against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsomnimus%2Frs-which" "/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/insomnimus/rs-which 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] removed /workspace/builds/worker-0/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/insomnimus/rs-which
[INFO] finished tweaking git repo https://github.com/insomnimus/rs-which
[INFO] tweaked toml for git repo https://github.com/insomnimus/rs-which written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/insomnimus/rs-which 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] 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] f3667bb3d5c0419051383967c08d34850cd6501ff22c98058ca61c15fb6865a1
[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" "f3667bb3d5c0419051383967c08d34850cd6501ff22c98058ca61c15fb6865a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3667bb3d5c0419051383967c08d34850cd6501ff22c98058ca61c15fb6865a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3667bb3d5c0419051383967c08d34850cd6501ff22c98058ca61c15fb6865a1", kill_on_drop: false }`
[INFO] [stdout] f3667bb3d5c0419051383967c08d34850cd6501ff22c98058ca61c15fb6865a1
[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] f0780a72f3c3cc66d6e887b285f42947af05538906743b643841196081c46294
[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" "f0780a72f3c3cc66d6e887b285f42947af05538906743b643841196081c46294", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling syn 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 clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling clap_generate v3.0.0-beta.2
[INFO] [stderr]    Compiling wh v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `wh v1.4.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/wh-72c3c490aa3f9a06/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'couldn't create completion file: Read-only file system (os error 30)', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap_generate-3.0.0-beta.2/src/lib.rs:135:21
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5631517c4120 - 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:     0x5631517c4120 - 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:     0x5631517c4120 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5631517c4120 - <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:     0x5631517de1fc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x5631517c2885 - std::io::Write::write_fmt::h00f38d9eb2c32e02
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15
[INFO] [stderr]      6:     0x5631517c5dcb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5631517c5dcb - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5631517c5dcb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5631517c58a1 - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5631517c6494 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x5631517c5f77 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x5631517c461c - 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:     0x5631517c5ed9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x5631517328bb - std::panicking::begin_panic_fmt::h124dfb9fde553188
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:457:5
[INFO] [stderr]     15:     0x5631517348cf - clap_generate::generate_to::hf5e260a63712f799
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap_generate-3.0.0-beta.2/src/lib.rs:135:21
[INFO] [stderr]     16:     0x563151736b9a - build_script_build::main::h981ae0f2edee5809
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:11:5
[INFO] [stderr]     17:     0x563151735c6b - core::ops::function::FnOnce::call_once::h72d780f4e5e5d128
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x563151735e6e - std::sys_common::backtrace::__rust_begin_short_backtrace::hfacc9565549d127a
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x563151735bd1 - std::rt::lang_start::{{closure}}::h1fe5c41a96b6f594
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:63:18
[INFO] [stderr]     20:     0x5631517c699a - 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]     21:     0x5631517c699a - std::panicking::try::do_call::h1c15e7ee8563c29d
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40
[INFO] [stderr]     22:     0x5631517c699a - std::panicking::try::hb8b07cef009cb4fc
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19
[INFO] [stderr]     23:     0x5631517c699a - std::panic::catch_unwind::h65a8efbe596bcbb1
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14
[INFO] [stderr]     24:     0x5631517c699a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:48
[INFO] [stderr]     25:     0x5631517c699a - std::panicking::try::do_call::h29cafa65efb3f3f3
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40
[INFO] [stderr]     26:     0x5631517c699a - std::panicking::try::h412fc5378b4dbfc4
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19
[INFO] [stderr]     27:     0x5631517c699a - std::panic::catch_unwind::h555def6aac5bf192
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14
[INFO] [stderr]     28:     0x5631517c699a - std::rt::lang_start_internal::hfff48202d7fee6e3
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:20
[INFO] [stderr]     29:     0x563151735ba0 - std::rt::lang_start::hc3741dab0e76694b
[INFO] [stderr]                                  at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:62:5
[INFO] [stderr]     30:     0x56315173784c - main
[INFO] [stderr]     31:     0x7fb2b782c0b3 - __libc_start_main
[INFO] [stderr]     32:     0x56315173366e - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f0780a72f3c3cc66d6e887b285f42947af05538906743b643841196081c46294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0780a72f3c3cc66d6e887b285f42947af05538906743b643841196081c46294", kill_on_drop: false }`
[INFO] [stdout] f0780a72f3c3cc66d6e887b285f42947af05538906743b643841196081c46294