[INFO] cloning repository https://github.com/Bengreen/rusty-snakeskin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bengreen/rusty-snakeskin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBengreen%2Frusty-snakeskin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBengreen%2Frusty-snakeskin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ad2dde47405748a21d933284cb867bce516805f
[INFO] checking Bengreen/rusty-snakeskin against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBengreen%2Frusty-snakeskin" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bengreen/rusty-snakeskin on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bengreen/rusty-snakeskin
[INFO] finished tweaking git repo https://github.com/Bengreen/rusty-snakeskin
[INFO] tweaked toml for git repo https://github.com/Bengreen/rusty-snakeskin written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 94 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.7)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (available: v0.3.7)
[INFO] [stderr]       Adding pyo3 v0.14.5 (available: v0.24.0)
[INFO] [stderr]       Adding pyo3-asyncio v0.14.1 (available: v0.20.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c86265100c5edb1490d07f23c8c131ea35a567925570d0682ce51dbb073454c4
[INFO] running `Command { std: "docker" "start" "-a" "c86265100c5edb1490d07f23c8c131ea35a567925570d0682ce51dbb073454c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c86265100c5edb1490d07f23c8c131ea35a567925570d0682ce51dbb073454c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c86265100c5edb1490d07f23c8c131ea35a567925570d0682ce51dbb073454c4", kill_on_drop: false }`
[INFO] [stdout] c86265100c5edb1490d07f23c8c131ea35a567925570d0682ce51dbb073454c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cd89c3368b5437c52964c1d398d9e1ffa7e16336f7cdfd10b4454c411feac7e
[INFO] running `Command { std: "docker" "start" "-a" "5cd89c3368b5437c52964c1d398d9e1ffa7e16336f7cdfd10b4454c411feac7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]    Compiling pyo3-build-config v0.14.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling rusty-snakeskin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr] error: failed to run custom build command for `rusty-snakeskin v0.1.0 (/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/rusty-snakeskin-4cb75c0b21af0e87/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=native=./clibrary
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:13:10:
[INFO] [stderr]   failed to execute python command: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x6497b67c3542 - std::backtrace_rs::backtrace::libunwind::trace::h76a675e3bed93fe4
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x6497b67c3542 - std::backtrace_rs::backtrace::trace_unsynchronized::hbe24d41fddbf213a
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x6497b67c3542 - std::sys::backtrace::_print_fmt::h61bce63f9138e231
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x6497b67c3542 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h83064dac7c3d7d4e
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x6497b67e4653 - core::fmt::rt::Argument::fmt::h3b5ab7e22cd8a04c
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/fmt/rt.rs:184:76
[INFO] [stderr]      5:     0x6497b67e4653 - core::fmt::write::ha0b4fd5f79fd7783
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/fmt/mod.rs:1480:21
[INFO] [stderr]      6:     0x6497b67c0ec3 - std::io::default_write_fmt::hbd4baadb0e6e75fe
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x6497b67c0ec3 - std::io::Write::write_fmt::hc34e0f4578180512
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x6497b67c3392 - std::sys::backtrace::BacktraceLock::print::hef7ee76eb345d78b
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x6497b67c4402 - std::panicking::default_hook::{{closure}}::h4d1fcb690be0806e
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x6497b67c4205 - std::panicking::default_hook::h678d64c04011e5a5
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x6497b67c4cd2 - std::panicking::rust_panic_with_hook::hb834795fb6cb5eb3
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x6497b67c4b6a - std::panicking::begin_panic_handler::{{closure}}::h93e25349bcf97d0e
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x6497b67c3a39 - std::sys::backtrace::__rust_end_short_backtrace::hce12881bdea21d65
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x6497b67c47fd - __rustc[64dab68cc01ac0bb]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x6497b67e3900 - core::panicking::panic_fmt::h8f158a07adb5c9bf
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x6497b67e3c96 - core::result::unwrap_failed::h1eaf0d9a403ddfdf
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/result.rs:1704:5
[INFO] [stderr]     17:     0x6497b679d192 - core::result::Result<T,E>::expect::h7ca48552ccce88bb
[INFO] [stderr]     18:     0x6497b679f0f0 - build_script_build::main::h7527339ced227518
[INFO] [stderr]     19:     0x6497b679c333 - core::ops::function::FnOnce::call_once::hd9d2ad7e5a188c45
[INFO] [stderr]     20:     0x6497b679be66 - std::sys::backtrace::__rust_begin_short_backtrace::h108f8c566b631718
[INFO] [stderr]     21:     0x6497b679bd99 - std::rt::lang_start::{{closure}}::hb618fc6b7506b188
[INFO] [stderr]     22:     0x6497b67bd920 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0718dfbaf4dda687
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x6497b67bd920 - std::panicking::try::do_call::hac94109376a2feb6
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:589:40
[INFO] [stderr]     24:     0x6497b67bd920 - std::panicking::try::h80ad42a7225a38d6
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:552:19
[INFO] [stderr]     25:     0x6497b67bd920 - std::panic::catch_unwind::h6128c327fb0ebbf6
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x6497b67bd920 - std::rt::lang_start_internal::{{closure}}::h49cf5bbb1bc1d295
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/rt.rs:168:24
[INFO] [stderr]     27:     0x6497b67bd920 - std::panicking::try::do_call::hb39c0d6e393b1411
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:589:40
[INFO] [stderr]     28:     0x6497b67bd920 - std::panicking::try::he79a2dee8af6d87b
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:552:19
[INFO] [stderr]     29:     0x6497b67bd920 - std::panic::catch_unwind::hb8f4a6fb4188066d
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x6497b67bd920 - std::rt::lang_start_internal::ha33f3ff8925b54c0
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/rt.rs:164:5
[INFO] [stderr]     31:     0x6497b679bd81 - std::rt::lang_start::h2b13940e767a7fa7
[INFO] [stderr]     32:     0x6497b679f375 - main
[INFO] [stderr]     33:     0x7997122731ca - <unknown>
[INFO] [stderr]     34:     0x79971227328b - __libc_start_main
[INFO] [stderr]     35:     0x6497b679afa5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5cd89c3368b5437c52964c1d398d9e1ffa7e16336f7cdfd10b4454c411feac7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd89c3368b5437c52964c1d398d9e1ffa7e16336f7cdfd10b4454c411feac7e", kill_on_drop: false }`
[INFO] [stdout] 5cd89c3368b5437c52964c1d398d9e1ffa7e16336f7cdfd10b4454c411feac7e
