[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#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377
[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] 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] validating manifest of git repo https://github.com/Bengreen/rusty-snakeskin on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 87 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.8)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (available: v0.3.7)
[INFO] [stderr]       Adding pyo3 v0.14.5 (available: v0.27.2)
[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" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f84d40aa232badd1bc997a120010a22fb83d83e46fa2b369b41208bb07b497a
[INFO] running `Command { std: "docker" "start" "-a" "0f84d40aa232badd1bc997a120010a22fb83d83e46fa2b369b41208bb07b497a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f84d40aa232badd1bc997a120010a22fb83d83e46fa2b369b41208bb07b497a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f84d40aa232badd1bc997a120010a22fb83d83e46fa2b369b41208bb07b497a", kill_on_drop: false }`
[INFO] [stdout] 0f84d40aa232badd1bc997a120010a22fb83d83e46fa2b369b41208bb07b497a
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a35af4b5589af848a6e7fe93a9d5ecb2eb9a28aa6090c3fa9104e893e6c3bdf
[INFO] running `Command { std: "docker" "start" "-a" "2a35af4b5589af848a6e7fe93a9d5ecb2eb9a28aa6090c3fa9104e893e6c3bdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]    Compiling pyo3-build-config v0.14.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]    Compiling rusty-snakeskin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pyo3 v0.14.5
[INFO] [stderr]    Compiling pyo3 v0.15.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]    Compiling service_module v0.1.0 (/opt/rustwide/workdir/sharedmodule)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking log v0.4.29
[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' (472) 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:     0x64698d40c822 - std[2cca3b56f05e3e10]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x64698d40c822 - std[2cca3b56f05e3e10]::backtrace_rs::backtrace::trace_unsynchronized::<std[2cca3b56f05e3e10]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x64698d40c822 - std[2cca3b56f05e3e10]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x64698d40c822 - <<std[2cca3b56f05e3e10]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[ece2ad3df8f19846]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x64698d41e157 - <core[ece2ad3df8f19846]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x64698d41e157 - core[ece2ad3df8f19846]::fmt::write
[INFO] [stderr]      6:     0x64698d411056 - std[2cca3b56f05e3e10]::io::default_write_fmt::<std[2cca3b56f05e3e10]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x64698d411056 - <std[2cca3b56f05e3e10]::sys::stdio::unix::Stderr as std[2cca3b56f05e3e10]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x64698d3f1f3c - <std[2cca3b56f05e3e10]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x64698d3f1f3c - std[2cca3b56f05e3e10]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x64698d408571 - std[2cca3b56f05e3e10]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x64698d40872b - std[2cca3b56f05e3e10]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x64698d3f1ff8 - std[2cca3b56f05e3e10]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x64698d3e72a9 - std[2cca3b56f05e3e10]::sys::backtrace::__rust_end_short_backtrace::<std[2cca3b56f05e3e10]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x64698d3f295d - __rustc[22b5aff69a48681c]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x64698d41e79c - core[ece2ad3df8f19846]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x64698d41e572 - core[ece2ad3df8f19846]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x64698d3d81c2 - <core[ece2ad3df8f19846]::result::Result<std[2cca3b56f05e3e10]::process::Output, std[2cca3b56f05e3e10]::io::error::Error>>::expect
[INFO] [stderr]     18:     0x64698d3d7d16 - build_script_build[1bda602af067ff93]::main
[INFO] [stderr]     19:     0x64698d3da1d3 - <fn() as core[ece2ad3df8f19846]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x64698d3d77c6 - std[2cca3b56f05e3e10]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x64698d3d7bd9 - std[2cca3b56f05e3e10]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x64698d4077fa - <&dyn core[ece2ad3df8f19846]::ops::function::Fn<(), Output = i32> + core[ece2ad3df8f19846]::panic::unwind_safe::RefUnwindSafe + core[ece2ad3df8f19846]::marker::Sync as core[ece2ad3df8f19846]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x64698d4077fa - std[2cca3b56f05e3e10]::panicking::catch_unwind::do_call::<&dyn core[ece2ad3df8f19846]::ops::function::Fn<(), Output = i32> + core[ece2ad3df8f19846]::panic::unwind_safe::RefUnwindSafe + core[ece2ad3df8f19846]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:582:40
[INFO] [stderr]     24:     0x64698d4077fa - std[2cca3b56f05e3e10]::panicking::catch_unwind::<i32, &dyn core[ece2ad3df8f19846]::ops::function::Fn<(), Output = i32> + core[ece2ad3df8f19846]::panic::unwind_safe::RefUnwindSafe + core[ece2ad3df8f19846]::marker::Sync>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:545:19
[INFO] [stderr]     25:     0x64698d4077fa - std[2cca3b56f05e3e10]::panic::catch_unwind::<&dyn core[ece2ad3df8f19846]::ops::function::Fn<(), Output = i32> + core[ece2ad3df8f19846]::panic::unwind_safe::RefUnwindSafe + core[ece2ad3df8f19846]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x64698d4077fa - std[2cca3b56f05e3e10]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x64698d4077fa - std[2cca3b56f05e3e10]::panicking::catch_unwind::do_call::<std[2cca3b56f05e3e10]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:582:40
[INFO] [stderr]     28:     0x64698d4077fa - std[2cca3b56f05e3e10]::panicking::catch_unwind::<isize, std[2cca3b56f05e3e10]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panicking.rs:545:19
[INFO] [stderr]     29:     0x64698d4077fa - std[2cca3b56f05e3e10]::panic::catch_unwind::<std[2cca3b56f05e3e10]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x64698d4077fa - std[2cca3b56f05e3e10]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/3a4cb0edb4040379c037e06efeb5409e44be7b77/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x64698d3d6fd1 - std[2cca3b56f05e3e10]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x64698d3da505 - main
[INFO] [stderr]     33:     0x701b12be51ca - <unknown>
[INFO] [stderr]     34:     0x701b12be528b - __libc_start_main
[INFO] [stderr]     35:     0x64698d3d6765 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2a35af4b5589af848a6e7fe93a9d5ecb2eb9a28aa6090c3fa9104e893e6c3bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a35af4b5589af848a6e7fe93a9d5ecb2eb9a28aa6090c3fa9104e893e6c3bdf", kill_on_drop: false }`
[INFO] [stdout] 2a35af4b5589af848a6e7fe93a9d5ecb2eb9a28aa6090c3fa9104e893e6c3bdf
