[INFO] cloning repository https://github.com/casimir/ufind [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casimir/ufind" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasimir%2Fufind", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasimir%2Fufind'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f43e2ac87871d2aa1c40b1b5566b31ff1f17887b [INFO] checking casimir/ufind against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasimir%2Fufind" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/casimir/ufind on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/casimir/ufind [INFO] finished tweaking git repo https://github.com/casimir/ufind [INFO] tweaked toml for git repo https://github.com/casimir/ufind written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/casimir/ufind already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clap v2.23.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92b84e2005010be46c2861159d1d2be8a48d5525ec411acc5596d3a9062842ae [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" "92b84e2005010be46c2861159d1d2be8a48d5525ec411acc5596d3a9062842ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92b84e2005010be46c2861159d1d2be8a48d5525ec411acc5596d3a9062842ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92b84e2005010be46c2861159d1d2be8a48d5525ec411acc5596d3a9062842ae", kill_on_drop: false }` [INFO] [stdout] 92b84e2005010be46c2861159d1d2be8a48d5525ec411acc5596d3a9062842ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 079b397f58796890a79d76f78ec6c3cb7a4a7193c5a260ea890f1a3aa74e2bd3 [INFO] running `Command { std: "docker" "start" "-a" "079b397f58796890a79d76f78ec6c3cb7a4a7193c5a260ea890f1a3aa74e2bd3", kill_on_drop: false }` [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling bitflags v0.8.2 [INFO] [stderr] Compiling unicode-segmentation v1.1.0 [INFO] [stderr] Compiling vec_map v0.7.0 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling term_size v0.2.3 [INFO] [stderr] Compiling atty v0.2.2 [INFO] [stderr] Checking clap v2.23.1 [INFO] [stderr] Compiling ufind v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `ufind v0.3.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/ufind-5fbe38e783af980c/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'couldn't create completion file: other os error', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.23.1/src/app/parser.rs:113:25 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5567177e55f0 - std::backtrace_rs::backtrace::libunwind::trace::hfa838fc631229987 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5567177e55f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h93a23e36ec026219 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5567177e55f0 - std::sys_common::backtrace::_print_fmt::hba56c7f796a4152f [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5567177e55f0 - ::fmt::h214637f1e26310e1 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5567177ff63c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x5567177e3975 - std::io::Write::write_fmt::heb07fc0616bbd06d [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/io/mod.rs:1588:15 [INFO] [stderr] 6: 0x5567177e728b - std::sys_common::backtrace::_print::h2c2441c37e894fb5 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5567177e728b - std::sys_common::backtrace::print::h4fb679ac439362ea [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5567177e728b - std::panicking::default_hook::{{closure}}::h56bbadec2356e5d2 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5567177e6d61 - std::panicking::default_hook::hb25822b45f6fdc4e [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5567177e7954 - std::panicking::rust_panic_with_hook::h4da5578e7277d2d4 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x5567177e7437 - std::panicking::begin_panic_handler::{{closure}}::h003783ddb3cba4e8 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x5567177e5acc - std::sys_common::backtrace::__rust_end_short_backtrace::hd138d2032731ed21 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5567177e7399 - rust_begin_unwind [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x5567177748db - std::panicking::begin_panic_fmt::h2db7e4060dc9c373 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:457:5 [INFO] [stderr] 15: 0x55671778585b - clap::app::parser::Parser::gen_completions::ha72b2dd55644afae [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.23.1/src/app/parser.rs:113:25 [INFO] [stderr] 16: 0x5567177770d1 - clap::app::App::gen_completions::h04fccee04d639586 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.23.1/src/app/mod.rs:1385:9 [INFO] [stderr] 17: 0x556717777306 - build_script_build::main::h993d9338ea68619a [INFO] [stderr] at /opt/rustwide/workdir/build.rs:15:5 [INFO] [stderr] 18: 0x55671777610b - core::ops::function::FnOnce::call_once::h5f7e552d66104621 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55671777604e - std::sys_common::backtrace::__rust_begin_short_backtrace::h496ff775a201e22e [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x556717776f81 - std::rt::lang_start::{{closure}}::h26a39af0f3165ce3 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x5567177e7e59 - core::ops::function::impls:: for &F>::call_once::hd933294140eb11aa [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5567177e7e59 - std::panicking::try::do_call::h8342fe3d9218b807 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x5567177e7e59 - std::panicking::try::hcbd73d6d0d58a8f0 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x5567177e7e59 - std::panic::catch_unwind::hde9cf73f810acfcc [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x5567177e7e59 - std::rt::lang_start_internal::heb39e7ea6e5d6f6f [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x556717776f60 - std::rt::lang_start::h639ce3762b821513 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x5567177773ec - main [INFO] [stderr] 28: 0x7f336c68b0b3 - __libc_start_main [INFO] [stderr] 29: 0x55671777569e - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "079b397f58796890a79d76f78ec6c3cb7a4a7193c5a260ea890f1a3aa74e2bd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "079b397f58796890a79d76f78ec6c3cb7a4a7193c5a260ea890f1a3aa74e2bd3", kill_on_drop: false }` [INFO] [stdout] 079b397f58796890a79d76f78ec6c3cb7a4a7193c5a260ea890f1a3aa74e2bd3