[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/f43e2ac87871d2aa1c40b1b5566b31ff1f17887b against master#c756124775121dea0e640652c5ee3c89e3dd0eb4 for pr-154971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasimir%2Fufind" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/casimir/ufind on toolchain c756124775121dea0e640652c5ee3c89e3dd0eb4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/casimir/ufind 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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-segmentation v1.1.0
[INFO] [stderr]   Downloaded term_size v0.2.3
[INFO] [stderr]   Downloaded vec_map v0.7.0
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded clap v2.23.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d93976d9b658158bea887649ea6ea61761d40985d16366d6182150fcbe0679b
[INFO] running `Command { std: "docker" "start" "-a" "3d93976d9b658158bea887649ea6ea61761d40985d16366d6182150fcbe0679b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d93976d9b658158bea887649ea6ea61761d40985d16366d6182150fcbe0679b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d93976d9b658158bea887649ea6ea61761d40985d16366d6182150fcbe0679b", kill_on_drop: false }`
[INFO] [stdout] 3d93976d9b658158bea887649ea6ea61761d40985d16366d6182150fcbe0679b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74835a647d40107601bd073ddb42d444996c082600e05ed0905078720b9535da
[INFO] running `Command { std: "docker" "start" "-a" "74835a647d40107601bd073ddb42d444996c082600e05ed0905078720b9535da", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling vec_map v0.7.0
[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 unicode-width v0.1.4
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling 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] 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/ufind-1504e50425cbc85f/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (185) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-2.23.1/src/app/parser.rs:113:25:
[INFO] [stderr]   couldn't create completion file: description() is deprecated; use Display
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x562278d0596a - std[e6f27331f023ae41]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x562278d0596a - std[e6f27331f023ae41]::backtrace_rs::backtrace::trace_unsynchronized::<std[e6f27331f023ae41]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x562278d0596a - std[e6f27331f023ae41]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x562278d0596a - <<std[e6f27331f023ae41]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[109e66eb34fb8c82]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x562278d1638a - <core[109e66eb34fb8c82]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x562278d1638a - core[109e66eb34fb8c82]::fmt::write
[INFO] [stderr]      6:     0x562278d09162 - std[e6f27331f023ae41]::io::default_write_fmt::<std[e6f27331f023ae41]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x562278d09162 - <std[e6f27331f023ae41]::sys::stdio::unix::Stderr as std[e6f27331f023ae41]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x562278cf0c6f - <std[e6f27331f023ae41]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x562278cf0c6f - std[e6f27331f023ae41]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x562278d01ed1 - std[e6f27331f023ae41]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x562278d0208b - std[e6f27331f023ae41]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x562278cf0d28 - std[e6f27331f023ae41]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x562278ce8999 - std[e6f27331f023ae41]::sys::backtrace::__rust_end_short_backtrace::<std[e6f27331f023ae41]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x562278cf150d - __rustc[35c91ab2531d24f9]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x562278d16adc - core[109e66eb34fb8c82]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x562278ca2bd3 - <clap[510d953e25fce5cb]::app::parser::Parser>::gen_completions
[INFO] [stderr]     17:     0x562278c9f1c6 - <clap[510d953e25fce5cb]::app::App>::gen_completions::<&&str, &str>
[INFO] [stderr]     18:     0x562278c9f747 - build_script_build[7b5398928fdc8c90]::main
[INFO] [stderr]     19:     0x562278ca0493 - <fn() as core[109e66eb34fb8c82]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x562278c9f606 - std[e6f27331f023ae41]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x562278c9f629 - std[e6f27331f023ae41]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x562278d01654 - <&dyn core[109e66eb34fb8c82]::ops::function::Fn<(), Output = i32> + core[109e66eb34fb8c82]::panic::unwind_safe::RefUnwindSafe + core[109e66eb34fb8c82]::marker::Sync as core[109e66eb34fb8c82]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x562278d01654 - std[e6f27331f023ae41]::panicking::catch_unwind::do_call::<&dyn core[109e66eb34fb8c82]::ops::function::Fn<(), Output = i32> + core[109e66eb34fb8c82]::panic::unwind_safe::RefUnwindSafe + core[109e66eb34fb8c82]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x562278d01654 - std[e6f27331f023ae41]::panicking::catch_unwind::<i32, &dyn core[109e66eb34fb8c82]::ops::function::Fn<(), Output = i32> + core[109e66eb34fb8c82]::panic::unwind_safe::RefUnwindSafe + core[109e66eb34fb8c82]::marker::Sync>
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x562278d01654 - std[e6f27331f023ae41]::panic::catch_unwind::<&dyn core[109e66eb34fb8c82]::ops::function::Fn<(), Output = i32> + core[109e66eb34fb8c82]::panic::unwind_safe::RefUnwindSafe + core[109e66eb34fb8c82]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x562278d01654 - std[e6f27331f023ae41]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x562278d01654 - std[e6f27331f023ae41]::panicking::catch_unwind::do_call::<std[e6f27331f023ae41]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x562278d01654 - std[e6f27331f023ae41]::panicking::catch_unwind::<isize, std[e6f27331f023ae41]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x562278d01654 - std[e6f27331f023ae41]::panic::catch_unwind::<std[e6f27331f023ae41]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x562278d01654 - std[e6f27331f023ae41]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/c756124775121dea0e640652c5ee3c89e3dd0eb4/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x562278c9f5f1 - std[e6f27331f023ae41]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x562278ca0575 - main
[INFO] [stderr]     33:     0x7359d3ad31ca - <unknown>
[INFO] [stderr]     34:     0x7359d3ad328b - __libc_start_main
[INFO] [stderr]     35:     0x562278c9ef35 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "74835a647d40107601bd073ddb42d444996c082600e05ed0905078720b9535da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74835a647d40107601bd073ddb42d444996c082600e05ed0905078720b9535da", kill_on_drop: false }`
[INFO] [stdout] 74835a647d40107601bd073ddb42d444996c082600e05ed0905078720b9535da