[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] building Bengreen/rusty-snakeskin against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBengreen%2Frusty-snakeskin" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bengreen/rusty-snakeskin on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 94 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.6)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (available: v0.3.7)
[INFO] [stderr]       Adding pyo3 v0.14.5 (available: v0.23.3)
[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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "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 pyo3-macros v0.14.5
[INFO] [stderr]   Downloaded pyo3-macros v0.15.2
[INFO] [stderr]   Downloaded pyo3-build-config v0.15.2
[INFO] [stderr]   Downloaded inventory v0.1.11
[INFO] [stderr]   Downloaded ghost v0.1.18
[INFO] [stderr]   Downloaded inventory-impl v0.1.11
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.14.5
[INFO] [stderr]   Downloaded pyo3-build-config v0.14.5
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.15.2
[INFO] [stderr]   Downloaded pyo3 v0.14.5
[INFO] [stderr]   Downloaded pyo3 v0.15.2
[INFO] [stderr]   Downloaded pyo3-asyncio v0.14.1
[INFO] [stderr]   Downloaded pyo3-asyncio-macros v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a994d18e5350a0f41bbd134eef42109db1c49f0d137def5106f9ce838ca8ff59
[INFO] running `Command { std: "docker" "start" "-a" "a994d18e5350a0f41bbd134eef42109db1c49f0d137def5106f9ce838ca8ff59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a994d18e5350a0f41bbd134eef42109db1c49f0d137def5106f9ce838ca8ff59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a994d18e5350a0f41bbd134eef42109db1c49f0d137def5106f9ce838ca8ff59", kill_on_drop: false }`
[INFO] [stdout] a994d18e5350a0f41bbd134eef42109db1c49f0d137def5106f9ce838ca8ff59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eb8235514a8a5ff3fb4ddb5247273ad7a8d08a75167f0362a1c7b67d1c7f800
[INFO] running `Command { std: "docker" "start" "-a" "6eb8235514a8a5ff3fb4ddb5247273ad7a8d08a75167f0362a1c7b67d1c7f800", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling pyo3-build-config v0.14.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling rusty-snakeskin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[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:     0x58a107d1878a - std::backtrace_rs::backtrace::libunwind::trace::h65cc9476dea42f04
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x58a107d1878a - std::backtrace_rs::backtrace::trace_unsynchronized::h31307b22853da5cb
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x58a107d1878a - std::sys::backtrace::_print_fmt::h1d1ec741e9afb97a
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x58a107d1878a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he389a1126db3ba75
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x58a107d395c3 - core::fmt::rt::Argument::fmt::h0df11dc86b5adf75
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x58a107d395c3 - core::fmt::write::hb735a44de60d4775
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/fmt/mod.rs:1440:21
[INFO] [stderr]      6:     0x58a107d15aa3 - std::io::Write::write_fmt::h7e55554e3b601464
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]      7:     0x58a107d185d2 - std::sys::backtrace::BacktraceLock::print::h1b2403acafb4a9ce
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x58a107d19630 - std::panicking::default_hook::{{closure}}::h1331b39f8c22272c
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x58a107d19410 - std::panicking::default_hook::h412b1b8b79d13729
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:322:9
[INFO] [stderr]     10:     0x58a107d19cc2 - std::panicking::rust_panic_with_hook::he422ff96d7e46154
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:828:13
[INFO] [stderr]     11:     0x58a107d19b5a - std::panicking::begin_panic_handler::{{closure}}::h48ed6f472c90914b
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:701:13
[INFO] [stderr]     12:     0x58a107d18c89 - std::sys::backtrace::__rust_end_short_backtrace::hb3ec7f756cf60e78
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x58a107d197ed - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:692:5
[INFO] [stderr]     14:     0x58a107d387f0 - core::panicking::panic_fmt::h14762d721bf3d8f4
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x58a107d38b96 - core::result::unwrap_failed::h920701fb7a43bb98
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/result.rs:1704:5
[INFO] [stderr]     16:     0x58a107cf1dbe - core::result::Result<T,E>::expect::h72b149ee55e847cd
[INFO] [stderr]     17:     0x58a107cf3d00 - build_script_build::main::hb7e45b8ff7ba0df3
[INFO] [stderr]     18:     0x58a107cf0f03 - core::ops::function::FnOnce::call_once::h8eefc8d09428fcf9
[INFO] [stderr]     19:     0x58a107cf0a66 - std::sys::backtrace::__rust_begin_short_backtrace::hb761b7627c896823
[INFO] [stderr]     20:     0x58a107cf0999 - std::rt::lang_start::{{closure}}::h7c8cb333d9db5f39
[INFO] [stderr]     21:     0x58a107d12b57 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::he65d3dc22beac451
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x58a107d12b57 - std::panicking::try::do_call::h06981c1fa5ca7e3e
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:584:40
[INFO] [stderr]     23:     0x58a107d12b57 - std::panicking::try::h69dc3282503f57f9
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:547:19
[INFO] [stderr]     24:     0x58a107d12b57 - std::panic::catch_unwind::h92970ef9ef5c92ae
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panic.rs:358:14
[INFO] [stderr]     25:     0x58a107d12b57 - std::rt::lang_start_internal::{{closure}}::h1b78dd850ae1293d
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/rt.rs:174:48
[INFO] [stderr]     26:     0x58a107d12b57 - std::panicking::try::do_call::h027346d9b0cbd7c7
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:584:40
[INFO] [stderr]     27:     0x58a107d12b57 - std::panicking::try::h91dc055514206193
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:547:19
[INFO] [stderr]     28:     0x58a107d12b57 - std::panic::catch_unwind::ha551d86c182ebce0
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panic.rs:358:14
[INFO] [stderr]     29:     0x58a107d12b57 - std::rt::lang_start_internal::h19b9f2ab21592fb1
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/rt.rs:174:20
[INFO] [stderr]     30:     0x58a107cf0977 - std::rt::lang_start::h7880d89704ee476d
[INFO] [stderr]     31:     0x58a107cf3f75 - main
[INFO] [stderr]     32:     0x7387bad57d90 - <unknown>
[INFO] [stderr]     33:     0x7387bad57e40 - __libc_start_main
[INFO] [stderr]     34:     0x58a107cefca5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6eb8235514a8a5ff3fb4ddb5247273ad7a8d08a75167f0362a1c7b67d1c7f800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb8235514a8a5ff3fb4ddb5247273ad7a8d08a75167f0362a1c7b67d1c7f800", kill_on_drop: false }`
[INFO] [stdout] 6eb8235514a8a5ff3fb4ddb5247273ad7a8d08a75167f0362a1c7b67d1c7f800
