[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 master#46424fb5054f211ec836c5c03159f92e46bb35ac 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bengreen/rusty-snakeskin on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "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-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-build-config v0.15.2
[INFO] [stderr]   Downloaded pyo3-macros v0.14.5
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.15.2
[INFO] [stderr]   Downloaded inventory-impl v0.1.11
[INFO] [stderr]   Downloaded pyo3-macros v0.15.2
[INFO] [stderr]   Downloaded inventory v0.1.11
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.14.5
[INFO] [stderr]   Downloaded ghost v0.1.19
[INFO] [stderr]   Downloaded pyo3-build-config v0.14.5
[INFO] [stderr]   Downloaded pyo3-asyncio v0.14.1
[INFO] [stderr]   Downloaded pyo3 v0.14.5
[INFO] [stderr]   Downloaded pyo3 v0.15.2
[INFO] [stderr]   Downloaded pyo3-asyncio-macros v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ead1f44cb643c89f4a1bf99e13ae5345b6042eb3a9cec7067162372c6bf9ed7d
[INFO] running `Command { std: "docker" "start" "-a" "ead1f44cb643c89f4a1bf99e13ae5345b6042eb3a9cec7067162372c6bf9ed7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ead1f44cb643c89f4a1bf99e13ae5345b6042eb3a9cec7067162372c6bf9ed7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead1f44cb643c89f4a1bf99e13ae5345b6042eb3a9cec7067162372c6bf9ed7d", kill_on_drop: false }`
[INFO] [stdout] ead1f44cb643c89f4a1bf99e13ae5345b6042eb3a9cec7067162372c6bf9ed7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c78bab212c3efa1fd1d9d52ee66383fa6273b72bccec170e22fd05bf9272349
[INFO] running `Command { std: "docker" "start" "-a" "1c78bab212c3efa1fd1d9d52ee66383fa6273b72bccec170e22fd05bf9272349", 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 once_cell v1.21.3
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[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]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]    Compiling rusty-snakeskin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking log v0.4.27
[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:     0x5585f3ae4542 - std::backtrace_rs::backtrace::libunwind::trace::hfe33f3fca02d9d49
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5585f3ae4542 - std::backtrace_rs::backtrace::trace_unsynchronized::hf8c1336b7abecebc
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5585f3ae4542 - std::sys::backtrace::_print_fmt::h1cc3b7371fcb02ce
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5585f3ae4542 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h3fdbad3682625d65
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5585f3b05653 - core::fmt::rt::Argument::fmt::hac739edf89f473e5
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/rt.rs:184:76
[INFO] [stderr]      5:     0x5585f3b05653 - core::fmt::write::h46b3661118fd93d9
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1480:21
[INFO] [stderr]      6:     0x5585f3ae1ec3 - std::io::default_write_fmt::h07a956b98e0e549f
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5585f3ae1ec3 - std::io::Write::write_fmt::hefeac8c5ed2b4ca0
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x5585f3ae4392 - std::sys::backtrace::BacktraceLock::print::hc92ef2ccd32eaf3d
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5585f3ae5402 - std::panicking::default_hook::{{closure}}::h26c6ecc533f19c32
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x5585f3ae5205 - std::panicking::default_hook::he6d1a5a8f8627255
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5585f3ae5cd2 - std::panicking::rust_panic_with_hook::hc6a05938888c0a6d
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5585f3ae5b6a - std::panicking::begin_panic_handler::{{closure}}::hce41832356916883
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5585f3ae4a39 - std::sys::backtrace::__rust_end_short_backtrace::h809ad2921436b614
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x5585f3ae57fd - __rustc[13f85059a3e01eb3]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5585f3b04900 - core::panicking::panic_fmt::h7e568a56ffdf448b
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5585f3b04c96 - core::result::unwrap_failed::hf571b8dac5f7d98d
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/result.rs:1704:5
[INFO] [stderr]     17:     0x5585f3abe192 - core::result::Result<T,E>::expect::h9230861620c25d73
[INFO] [stderr]     18:     0x5585f3ac00f0 - build_script_build::main::h6c21cd772a6c23dc
[INFO] [stderr]     19:     0x5585f3abd2f3 - core::ops::function::FnOnce::call_once::h5017687295e298fa
[INFO] [stderr]     20:     0x5585f3abce66 - std::sys::backtrace::__rust_begin_short_backtrace::h2d0c9145dfdaf4e7
[INFO] [stderr]     21:     0x5585f3abcd99 - std::rt::lang_start::{{closure}}::h9bf8f0510c5b7169
[INFO] [stderr]     22:     0x5585f3ade920 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h07820d99f666c4f4
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x5585f3ade920 - std::panicking::try::do_call::hcb349621034e7d22
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/panicking.rs:589:40
[INFO] [stderr]     24:     0x5585f3ade920 - std::panicking::try::h14d805015e715701
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/panicking.rs:552:19
[INFO] [stderr]     25:     0x5585f3ade920 - std::panic::catch_unwind::he07ff3323b1b1ad4
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5585f3ade920 - std::rt::lang_start_internal::{{closure}}::he746c4aa7e6c87ae
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/rt.rs:168:24
[INFO] [stderr]     27:     0x5585f3ade920 - std::panicking::try::do_call::h5c36b323e35fe62d
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/panicking.rs:589:40
[INFO] [stderr]     28:     0x5585f3ade920 - std::panicking::try::hb9a2d1353ef314fe
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/panicking.rs:552:19
[INFO] [stderr]     29:     0x5585f3ade920 - std::panic::catch_unwind::he0661a914ab09041
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5585f3ade920 - std::rt::lang_start_internal::h690c392d3d3c052a
[INFO] [stderr]                                  at /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/std/src/rt.rs:164:5
[INFO] [stderr]     31:     0x5585f3abcd81 - std::rt::lang_start::h9c5820e9039b7bdd
[INFO] [stderr]     32:     0x5585f3ac0375 - main
[INFO] [stderr]     33:     0x7ddb122531ca - <unknown>
[INFO] [stderr]     34:     0x7ddb1225328b - __libc_start_main
[INFO] [stderr]     35:     0x5585f3abbfa5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1c78bab212c3efa1fd1d9d52ee66383fa6273b72bccec170e22fd05bf9272349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c78bab212c3efa1fd1d9d52ee66383fa6273b72bccec170e22fd05bf9272349", kill_on_drop: false }`
[INFO] [stdout] 1c78bab212c3efa1fd1d9d52ee66383fa6273b72bccec170e22fd05bf9272349
