[INFO] fetching crate sfink_callgraph_traversal 0.2.1...
[INFO] building sfink_callgraph_traversal-0.2.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate sfink_callgraph_traversal 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate sfink_callgraph_traversal 0.2.1
[INFO] finished tweaking crates.io crate sfink_callgraph_traversal 0.2.1
[INFO] tweaked toml for crates.io crate sfink_callgraph_traversal 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sfink_callgraph_traversal 0.2.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sfink_callgraph_traversal 0.2.1 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 971fe19c3115f07ee38c3b16c08b5f5cd1a93a910202e6176f27db6d1ab8130e
[INFO] running `Command { std: "docker" "start" "-a" "971fe19c3115f07ee38c3b16c08b5f5cd1a93a910202e6176f27db6d1ab8130e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "971fe19c3115f07ee38c3b16c08b5f5cd1a93a910202e6176f27db6d1ab8130e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971fe19c3115f07ee38c3b16c08b5f5cd1a93a910202e6176f27db6d1ab8130e", kill_on_drop: false }`
[INFO] [stdout] 971fe19c3115f07ee38c3b16c08b5f5cd1a93a910202e6176f27db6d1ab8130e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90c7fe8c1202f4f318d859cf024c20e2f246f8694e2c29cb1259af5d7156792
[INFO] running `Command { std: "docker" "start" "-a" "f90c7fe8c1202f4f318d859cf024c20e2f246f8694e2c29cb1259af5d7156792", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling cpython v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling aho-corasick v1.0.4
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rustyline v5.0.6
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling python27-sys v0.1.2
[INFO] [stderr] error: failed to run custom build command for `python27-sys v0.1.2`
[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/python27-sys-9031860a46e43dda/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1217) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/python27-sys-0.1.2/build.rs:353:65:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: "failed to run python interpreter `\"python\" \"-c\" \"import sys; import sysconfig; print(sys.version_info[0:2]); print(sysconfig.get_config_var(\\'LIBDIR\\')); print(sysconfig.get_config_var(\\'Py_ENABLE_SHARED\\')); print(sys.exec_prefix);\"`: No such file or directory (os error 2)"
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x57b3632c9012 - std::backtrace_rs::backtrace::libunwind::trace::h99ff5752a7301b61
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x57b3632c9012 - std::backtrace_rs::backtrace::trace_unsynchronized::h9703f67ee3d8bde4
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x57b3632c9012 - std::sys::backtrace::_print_fmt::h8519833aba8d197b
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x57b3632c9012 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h2212f3765287aa3c
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x57b3632d8a4f - core::fmt::rt::Argument::fmt::h3b42cc36ff36d45c
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x57b3632d8a4f - core::fmt::write::he00b92b9582c1fe6
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x57b36329cea1 - std::io::default_write_fmt::h20b9b23e0b407dd4
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x57b36329cea1 - std::io::Write::write_fmt::h4a31dcab881658aa
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x57b3632a6be2 - std::sys::backtrace::BacktraceLock::print::h88b4e5cf8cc5573c
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x57b3632a8a8c - std::panicking::default_hook::{{closure}}::h59b171bf4b799798
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x57b3632a88e6 - std::panicking::default_hook::h518e81d9a9e2c2c5
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x57b3632a9115 - std::panicking::panic_with_hook::h6c76fcfbe64ae67c
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x57b3632a8faa - std::panicking::panic_handler::{{closure}}::h2ff4617091b05450
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x57b3632a6d29 - std::sys::backtrace::__rust_end_short_backtrace::he93810e6790d1c15
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x57b3632917cd - __rustc[552020a2b822d25f]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x57b3632dc870 - core::panicking::panic_fmt::hd2d793968eae26aa
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/core/src/panicking.rs:78:14
[INFO] [stderr]     16:     0x57b3632dbed6 - core::result::unwrap_failed::hf617897bcb263c5c
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x57b3631e31ba - build_script_build::main::h7494c7fe60e5ddfe
[INFO] [stderr]     18:     0x57b3631e84b3 - core::ops::function::FnOnce::call_once::h2bb79b462395ac6f
[INFO] [stderr]     19:     0x57b3631ebd56 - std::sys::backtrace::__rust_begin_short_backtrace::hd5ea9321dee52a94
[INFO] [stderr]     20:     0x57b3631ebcd9 - std::rt::lang_start::{{closure}}::he84d5dd56b2214e2
[INFO] [stderr]     21:     0x57b36329e650 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h64f1c33f2a77ce68
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x57b36329e650 - std::panicking::catch_unwind::do_call::h5854891e24f1d732
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x57b36329e650 - std::panicking::catch_unwind::h3c89ba6804b7ef45
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x57b36329e650 - std::panic::catch_unwind::hc239b1f0bd06c7e7
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x57b36329e650 - std::rt::lang_start_internal::{{closure}}::ha9d8fb8253d749d7
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x57b36329e650 - std::panicking::catch_unwind::do_call::h428a277c0848e71c
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x57b36329e650 - std::panicking::catch_unwind::hd0989b6642f7ad81
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x57b36329e650 - std::panic::catch_unwind::hff4afb10b723ad75
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x57b36329e650 - std::rt::lang_start_internal::h5e6155dfabba704f
[INFO] [stderr]                                  at /rustc/4987e9d4227139400384ab59296ffee3b0fb1183/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x57b3631ebcc1 - std::rt::lang_start::hb120baabf889d9c8
[INFO] [stderr]     31:     0x57b3631e6d95 - main
[INFO] [stderr]     32:     0x7f76aaf691ca - <unknown>
[INFO] [stderr]     33:     0x7f76aaf6928b - __libc_start_main
[INFO] [stderr]     34:     0x57b3631deb15 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f90c7fe8c1202f4f318d859cf024c20e2f246f8694e2c29cb1259af5d7156792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90c7fe8c1202f4f318d859cf024c20e2f246f8694e2c29cb1259af5d7156792", kill_on_drop: false }`
[INFO] [stdout] f90c7fe8c1202f4f318d859cf024c20e2f246f8694e2c29cb1259af5d7156792