[INFO] cloning repository https://github.com/a-hacker/rust-python-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a-hacker/rust-python-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-hacker%2Frust-python-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-hacker%2Frust-python-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ffc80f040f0f6c89eaa81d62d722d175937585c
[INFO] testing a-hacker/rust-python-demo against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-hacker%2Frust-python-demo" "/workspace/builds/worker-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a-hacker/rust-python-demo on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/a-hacker/rust-python-demo
[INFO] finished tweaking git repo https://github.com/a-hacker/rust-python-demo
[INFO] tweaked toml for git repo https://github.com/a-hacker/rust-python-demo written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate git repo https://github.com/a-hacker/rust-python-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.10
[INFO] [stderr]   Downloaded fst v0.3.5
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.8.0
[INFO] [stderr]   Downloaded pyo3 v0.8.0
[INFO] [stderr]   Downloaded fst-levenshtein v0.2.1
[INFO] [stderr]   Downloaded pyo3cls v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68982702cd1248cfa5eb65da268ee13ea9352a15442006fb8e81a22590aee906
[INFO] running `Command { std: "docker" "start" "-a" "68982702cd1248cfa5eb65da268ee13ea9352a15442006fb8e81a22590aee906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68982702cd1248cfa5eb65da268ee13ea9352a15442006fb8e81a22590aee906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68982702cd1248cfa5eb65da268ee13ea9352a15442006fb8e81a22590aee906", kill_on_drop: false }`
[INFO] [stdout] 68982702cd1248cfa5eb65da268ee13ea9352a15442006fb8e81a22590aee906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3245f248728a0cd0c917325b3083135961f14cc330ec8492abbeeb59e744785
[INFO] running `Command { std: "docker" "start" "-a" "b3245f248728a0cd0c917325b3083135961f14cc330ec8492abbeeb59e744785", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling fst v0.3.5
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling fst-levenshtein v0.2.1
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling typo_checker v0.1.0 (/opt/rustwide/workdir/typo_checker)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> typo_checker/src/utils.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fs::{self, File};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> typo_checker/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> typo_checker/src/errors/mod.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 |         DictionaryError::new(err.description())
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> typo_checker/src/errors/mod.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 |         DictionaryError::new(err.description())
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling inventory-impl v0.1.4
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling pyo3cls v0.8.0
[INFO] [stderr]    Compiling inventory v0.1.4
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]    Compiling indoc v0.3.4
[INFO] [stderr]    Compiling paste v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling pyo3 v0.8.0
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.8.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-d3c28dbc372f2d99/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Error: pyo3 requires a nightly or dev version of Rust.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.0/build.rs:542:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x560902e73270 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x560902e73270 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x560902e73270 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x560902e73270 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x560902e94fac - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x560902e70f65 - std::io::Write::write_fmt::hd42607e5d8e44db0
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x560902e751cb - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x560902e751cb - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x560902e751cb - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x560902e74ca1 - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x560902e75894 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x560902cac433 - std::panicking::begin_panic::{{closure}}::hf3730f6e843d5ad0
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x560902cabcd9 - std::sys_common::backtrace::__rust_end_short_backtrace::h4efbd0dade89a1ff
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x560902cac369 - std::panicking::begin_panic::h9d7d9fddc6751e4b
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x560902c7064d - build_script_build::check_rustc_version::hbdfdb32ca7c95d99
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.0/build.rs:542:9
[INFO] [stderr]     15:     0x560902c70934 - build_script_build::main::h7d945b5ee0836b2d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.0/build.rs:563:5
[INFO] [stderr]     16:     0x560902c81d32 - core::ops::function::FnOnce::call_once::hf2e24510ab109e05
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     17:     0x560902c774ea - std::sys_common::backtrace::__rust_begin_short_backtrace::hff70fad7aeea21c9
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     18:     0x560902c81c06 - std::rt::lang_start::{{closure}}::h4bb9ab2dc1ec6df4
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:63:18
[INFO] [stderr]     19:     0x560902e75d9a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha88a7d1a4d24e549
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     20:     0x560902e75d9a - std::panicking::try::do_call::hd3b1d7740607ccc7
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stderr]     21:     0x560902e75d9a - std::panicking::try::h0ee8c65ac7461507
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stderr]     22:     0x560902e75d9a - std::panic::catch_unwind::head47f0de4ccd838
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stderr]     23:     0x560902e75d9a - std::rt::lang_start_internal::{{closure}}::hbc7de8ec820ac085
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:48
[INFO] [stderr]     24:     0x560902e75d9a - std::panicking::try::do_call::h2609e52e8bad4a7b
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stderr]     25:     0x560902e75d9a - std::panicking::try::hd0929f0b603e0389
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stderr]     26:     0x560902e75d9a - std::panic::catch_unwind::h27902b81c3e47571
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stderr]     27:     0x560902e75d9a - std::rt::lang_start_internal::h3fb2d794dd391e3e
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:20
[INFO] [stderr]     28:     0x560902c81bd0 - std::rt::lang_start::h0057832a99c88406
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:62:5
[INFO] [stderr]     29:     0x560902c752dc - main
[INFO] [stderr]     30:     0x7f84c3d010b3 - __libc_start_main
[INFO] [stderr]     31:     0x560902c61f5e - _start
[INFO] [stderr]     32:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "b3245f248728a0cd0c917325b3083135961f14cc330ec8492abbeeb59e744785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3245f248728a0cd0c917325b3083135961f14cc330ec8492abbeeb59e744785", kill_on_drop: false }`
[INFO] [stdout] b3245f248728a0cd0c917325b3083135961f14cc330ec8492abbeeb59e744785
