[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] checking a-hacker/rust-python-demo against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-hacker%2Frust-python-demo" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a-hacker/rust-python-demo on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-103/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-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fst v0.3.5
[INFO] [stderr]   Downloaded fst-levenshtein v0.2.1
[INFO] [stderr]   Downloaded pyo3cls v0.8.0
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.8.0
[INFO] [stderr]   Downloaded pyo3 v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9ecf94e924da6f82f8b365df12ec430d71a87ea8ed23c5e158494a031666549
[INFO] running `Command { std: "docker" "start" "-a" "b9ecf94e924da6f82f8b365df12ec430d71a87ea8ed23c5e158494a031666549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9ecf94e924da6f82f8b365df12ec430d71a87ea8ed23c5e158494a031666549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ecf94e924da6f82f8b365df12ec430d71a87ea8ed23c5e158494a031666549", kill_on_drop: false }`
[INFO] [stdout] b9ecf94e924da6f82f8b365df12ec430d71a87ea8ed23c5e158494a031666549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c4dd67d3f13e91492773fba7f606d97da52d789b0b8eea84d74a3e36c6fd356
[INFO] running `Command { std: "docker" "start" "-a" "4c4dd67d3f13e91492773fba7f606d97da52d789b0b8eea84d74a3e36c6fd356", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking fst v0.3.5
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.0
[INFO] [stderr]     Checking fst-levenshtein v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling inventory-impl v0.1.4
[INFO] [stderr]    Compiling pyo3cls v0.8.0
[INFO] [stderr]     Checking inventory v0.1.4
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]     Checking 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: 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: 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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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-cec4f685516a3ed2/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:     0x556b186d429c - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x556b186d429c - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x556b186d429c - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x556b186d429c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x556b186f6d7c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/core/src/fmt/mod.rs:1150:17
[INFO] [stderr]      5:     0x556b186d1575 - std::io::Write::write_fmt::h1d5220480c7a2437
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x556b186d5c10 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x556b186d5c10 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x556b186d5c10 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x556b186d57c7 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x556b186d62c4 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x556b18616e32 - std::panicking::begin_panic::{{closure}}::h4e6a948928330aee
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:544:9
[INFO] [stderr]     12:     0x556b18602b99 - std::sys_common::backtrace::__rust_end_short_backtrace::hc9d8b2fac60a7936
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x556b18616d73 - std::panicking::begin_panic::h54fa9579b3495def
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:543:12
[INFO] [stderr]     14:     0x556b184cd33d - build_script_build::check_rustc_version::hf29807275f039524
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.0/build.rs:542:9
[INFO] [stderr]     15:     0x556b184cd644 - build_script_build::main::h71606c863212e399
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.0/build.rs:563:5
[INFO] [stderr]     16:     0x556b184de842 - core::ops::function::FnOnce::call_once::h0af60027c52f2722
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     17:     0x556b184d37ca - std::sys_common::backtrace::__rust_begin_short_backtrace::h944c4179a3253913
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     18:     0x556b184d3876 - std::rt::lang_start::{{closure}}::h8f58f87929ff2aa8
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/rt.rs:63:18
[INFO] [stderr]     19:     0x556b186d67ca - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc590b210ed55e22f
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     20:     0x556b186d67ca - std::panicking::try::do_call::h5f0600b7a33ea1af
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:403:40
[INFO] [stderr]     21:     0x556b186d67ca - std::panicking::try::he15826df0f376a33
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:367:19
[INFO] [stderr]     22:     0x556b186d67ca - std::panic::catch_unwind::hd8af3a578b6b4c86
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panic.rs:129:14
[INFO] [stderr]     23:     0x556b186d67ca - std::rt::lang_start_internal::{{closure}}::h301d1329324ae1f0
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/rt.rs:45:48
[INFO] [stderr]     24:     0x556b186d67ca - std::panicking::try::do_call::h941e8fdb0bd03655
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:403:40
[INFO] [stderr]     25:     0x556b186d67ca - std::panicking::try::ha20a77bf65530f63
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panicking.rs:367:19
[INFO] [stderr]     26:     0x556b186d67ca - std::panic::catch_unwind::h33afc061cc69ef90
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/panic.rs:129:14
[INFO] [stderr]     27:     0x556b186d67ca - std::rt::lang_start_internal::hc05c244593147106
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/rt.rs:45:20
[INFO] [stderr]     28:     0x556b184d3840 - std::rt::lang_start::ha3d72c808fba9d1a
[INFO] [stderr]                                  at /rustc/58268ff091703ace98c3c2a8c5f2fb2c3aecace2/library/std/src/rt.rs:62:5
[INFO] [stderr]     29:     0x556b184d1eac - main
[INFO] [stderr]     30:     0x7f2a197e50b3 - __libc_start_main
[INFO] [stderr]     31:     0x556b184bef3e - _start
[INFO] [stderr]     32:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4c4dd67d3f13e91492773fba7f606d97da52d789b0b8eea84d74a3e36c6fd356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4dd67d3f13e91492773fba7f606d97da52d789b0b8eea84d74a3e36c6fd356", kill_on_drop: false }`
[INFO] [stdout] 4c4dd67d3f13e91492773fba7f606d97da52d789b0b8eea84d74a3e36c6fd356
