[INFO] cloning repository https://github.com/Indosaram/rust-python-book [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Indosaram/rust-python-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIndosaram%2Frust-python-book", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIndosaram%2Frust-python-book'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7d9ec8c079e255aa908e5f1e79480a06c61216ac [INFO] checking Indosaram/rust-python-book/7d9ec8c079e255aa908e5f1e79480a06c61216ac against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIndosaram%2Frust-python-book" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Indosaram/rust-python-book on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Indosaram/rust-python-book [INFO] finished tweaking git repo https://github.com/Indosaram/rust-python-book [INFO] tweaked toml for git repo https://github.com/Indosaram/rust-python-book written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Indosaram/rust-python-book 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f6e5aeaef58055b1aed94c24b6de70238d0f67753d1d93f70fd22c526f2405b8 [INFO] running `Command { std: "docker" "start" "-a" "f6e5aeaef58055b1aed94c24b6de70238d0f67753d1d93f70fd22c526f2405b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6e5aeaef58055b1aed94c24b6de70238d0f67753d1d93f70fd22c526f2405b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6e5aeaef58055b1aed94c24b6de70238d0f67753d1d93f70fd22c526f2405b8", kill_on_drop: false }` [INFO] [stdout] f6e5aeaef58055b1aed94c24b6de70238d0f67753d1d93f70fd22c526f2405b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 82edca16f2da93fb52b5dd6384daa79eb954682cc610f0dc1ccb6a27c811784c [INFO] running `Command { std: "docker" "start" "-a" "82edca16f2da93fb52b5dd6384daa79eb954682cc610f0dc1ccb6a27c811784c", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Compiling camino v1.1.1 [INFO] [stderr] Compiling semver v1.0.13 [INFO] [stderr] Compiling pulldown-cmark v0.9.2 [INFO] [stderr] Compiling itoa v1.0.3 [INFO] [stderr] Compiling ryu v1.0.11 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling fastrand v1.8.0 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling bytecount v0.6.3 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Checking cargo-platform v0.1.2 [INFO] [stderr] Checking cargo_metadata v0.14.2 [INFO] [stderr] Checking skeptic v0.13.7 [INFO] [stderr] Compiling marktest v0.1.0 (/opt/rustwide/workdir/marktest) [INFO] [stderr] error: failed to run custom build command for `marktest v0.1.0 (/opt/rustwide/workdir/marktest)` [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/marktest-4f59537fa2e2204e/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=../src/ch15-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch15-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch2-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch12-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch9-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch1-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch10-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch1-04.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch1-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch10-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch15-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch12-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch7-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch4-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch14-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch8-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch4-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch10-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch11-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch13-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch11-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch13-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch12-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch9-04.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch7-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch5-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch15-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch5-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch6-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch9-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch5-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch10-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch4-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch13-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch6-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch3-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/assets [INFO] [stderr] cargo:rerun-if-changed=../src/ch8-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch14-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch9-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch6-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch7-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch10-04.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch8-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch2-05.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch13-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch5-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch3-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch9-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch2-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch1-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/project.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch11-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch12-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch3-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/SUMMARY.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch14-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch11-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch2-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch2-04.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch2-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch6-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch14-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch3-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch1-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch4-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch4-05.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch4-04.md [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/skeptic-0.13.7/src/lib.rs:133:39: [INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 21, kind: IsADirectory, message: "Is a directory" } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5f86b0fdb33a - std::backtrace_rs::backtrace::libunwind::trace::h97abfd8a85887826 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stderr] 1: 0x5f86b0fdb33a - std::backtrace_rs::backtrace::trace_unsynchronized::h3fe33c3e2ffb6416 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5f86b0fdb33a - std::sys::backtrace::_print_fmt::hdf29e1ca2ba4cbbc [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5f86b0fdb33a - ::fmt::h731c3e1b756ff019 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5f86b0ff89bb - core::fmt::rt::Argument::fmt::hdfecaf84742c5a76 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/fmt/rt.rs:177:76 [INFO] [stderr] 5: 0x5f86b0ff89bb - core::fmt::write::h9c97613a183100ea [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/fmt/mod.rs:1186:21 [INFO] [stderr] 6: 0x5f86b0fd82c3 - std::io::Write::write_fmt::h7288d7c7dce2722e [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/io/mod.rs:1823:15 [INFO] [stderr] 7: 0x5f86b0fdb182 - std::sys::backtrace::BacktraceLock::print::h2bc6f048c13121f8 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 8: 0x5f86b0fdc447 - std::panicking::default_hook::{{closure}}::hde92e91975a101c0 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:268:22 [INFO] [stderr] 9: 0x5f86b0fdc276 - std::panicking::default_hook::hd8d6e2273bfc5edc [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:295:9 [INFO] [stderr] 10: 0x5f86b0fdca47 - std::panicking::rust_panic_with_hook::hb332f821833efd3b [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:801:13 [INFO] [stderr] 11: 0x5f86b0fdc8e7 - std::panicking::begin_panic_handler::{{closure}}::h00065c7fd19dfc55 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:674:13 [INFO] [stderr] 12: 0x5f86b0fdb819 - std::sys::backtrace::__rust_end_short_backtrace::h10e475bd14bb8cb7 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:170:18 [INFO] [stderr] 13: 0x5f86b0fdc574 - rust_begin_unwind [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:665:5 [INFO] [stderr] 14: 0x5f86b0ff7c23 - core::panicking::panic_fmt::h59e161f9c51d6f0e [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/panicking.rs:74:14 [INFO] [stderr] 15: 0x5f86b0ff7f96 - core::result::unwrap_failed::h54376d3d4b8f04d2 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/result.rs:1689:5 [INFO] [stderr] 16: 0x5f86b0f5abd8 - skeptic::run::h17f468c1593e6d2f [INFO] [stderr] 17: 0x5f86b0f58326 - skeptic::generate_doc_tests::h5424a3984137ecd0 [INFO] [stderr] 18: 0x5f86b0f58bbb - build_script_build::main::he734c856c928184a [INFO] [stderr] 19: 0x5f86b0f56cb3 - core::ops::function::FnOnce::call_once::hf5ad8fd14b44f650 [INFO] [stderr] 20: 0x5f86b0f56ad6 - std::sys::backtrace::__rust_begin_short_backtrace::h89a2b2b6a1376c9a [INFO] [stderr] 21: 0x5f86b0f56a79 - std::rt::lang_start::{{closure}}::h7a051e7a7568d13d [INFO] [stderr] 22: 0x5f86b0fd59c0 - core::ops::function::impls:: for &F>::call_once::h00708edcd5cb0bf9 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 23: 0x5f86b0fd59c0 - std::panicking::try::do_call::h3211acb5ef596e26 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:557:40 [INFO] [stderr] 24: 0x5f86b0fd59c0 - std::panicking::try::hfc77046d1a78b97f [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:520:19 [INFO] [stderr] 25: 0x5f86b0fd59c0 - std::panic::catch_unwind::h8cc6f9c887e41bb5 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panic.rs:348:14 [INFO] [stderr] 26: 0x5f86b0fd59c0 - std::rt::lang_start_internal::{{closure}}::h1ae7a528cb090b94 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/rt.rs:143:48 [INFO] [stderr] 27: 0x5f86b0fd59c0 - std::panicking::try::do_call::h7b341eaacca88c96 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:557:40 [INFO] [stderr] 28: 0x5f86b0fd59c0 - std::panicking::try::h2190145387d00b24 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:520:19 [INFO] [stderr] 29: 0x5f86b0fd59c0 - std::panic::catch_unwind::h39d0834a21ce2b28 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panic.rs:348:14 [INFO] [stderr] 30: 0x5f86b0fd59c0 - std::rt::lang_start_internal::hf1cb939424e8449c [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/rt.rs:143:20 [INFO] [stderr] 31: 0x5f86b0f56a57 - std::rt::lang_start::h3afbc245c15df38f [INFO] [stderr] 32: 0x5f86b0f58d25 - main [INFO] [stderr] 33: 0x705c2e801d90 - [INFO] [stderr] 34: 0x705c2e801e40 - __libc_start_main [INFO] [stderr] 35: 0x5f86b0f56145 - _start [INFO] [stderr] 36: 0x0 - [INFO] running `Command { std: "docker" "inspect" "82edca16f2da93fb52b5dd6384daa79eb954682cc610f0dc1ccb6a27c811784c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82edca16f2da93fb52b5dd6384daa79eb954682cc610f0dc1ccb6a27c811784c", kill_on_drop: false }` [INFO] [stdout] 82edca16f2da93fb52b5dd6384daa79eb954682cc610f0dc1ccb6a27c811784c