[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] 6b948ee69adc366afe49faca6719d40dcced6f81 [INFO] checking Indosaram/rust-python-book against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIndosaram%2Frust-python-book" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Indosaram/rust-python-book on toolchain 506512391b1a75ae450d36c9420978402a91abcc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "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-7-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" "+506512391b1a75ae450d36c9420978402a91abcc" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pulldown-cmark v0.9.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 63a4444e6f9c7d1514f7dd1cede9303982fefebbbb05cf5f97b67d3a27f4f6d3 [INFO] running `Command { std: "docker" "start" "-a" "63a4444e6f9c7d1514f7dd1cede9303982fefebbbb05cf5f97b67d3a27f4f6d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63a4444e6f9c7d1514f7dd1cede9303982fefebbbb05cf5f97b67d3a27f4f6d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63a4444e6f9c7d1514f7dd1cede9303982fefebbbb05cf5f97b67d3a27f4f6d3", kill_on_drop: false }` [INFO] [stdout] 63a4444e6f9c7d1514f7dd1cede9303982fefebbbb05cf5f97b67d3a27f4f6d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9afeb6fa778242e17561eec2947fe29016cd9a581014b457929dd5fcb569fe0 [INFO] running `Command { std: "docker" "start" "-a" "d9afeb6fa778242e17561eec2947fe29016cd9a581014b457929dd5fcb569fe0", 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 syn v1.0.99 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling camino v1.1.1 [INFO] [stderr] Compiling semver v1.0.13 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Compiling pulldown-cmark v0.9.2 [INFO] [stderr] Compiling ryu v1.0.11 [INFO] [stderr] Compiling itoa v1.0.3 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling unicase v2.6.0 [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 quote v1.0.21 [INFO] [stderr] Checking 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/ch7-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch10-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch2-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch4-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch2-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/SUMMARY.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch3-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch11-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch14-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch15-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch2-05.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/ch1-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch6-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch1-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch4-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch15-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch11-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch2-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch14-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch10-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch13-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch6-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch9-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch12-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch2-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch3-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch1-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch4-05.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch13-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/assets [INFO] [stderr] cargo:rerun-if-changed=../src/ch13-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch5-00.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/project.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch3-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch6-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch4-04.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch10-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch9-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch10-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch5-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch3-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch1-04.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch9-04.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch5-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch9-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch12-03.md [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/ch7-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch6-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch15-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch15-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch12-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch4-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch4-03.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch7-00.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch11-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch10-04.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch1-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch8-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch5-02.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch2-04.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch12-01.md [INFO] [stderr] cargo:rerun-if-changed=../src/ch9-03.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: 0x55b28f405f35 - std::backtrace_rs::backtrace::libunwind::trace::h876d7c806a499a4c [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stderr] 1: 0x55b28f405f35 - std::backtrace_rs::backtrace::trace_unsynchronized::h93aa6ac20204363f [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55b28f405f35 - std::sys_common::backtrace::_print_fmt::haa4d06348037420c [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] 3: 0x55b28f405f35 - ::fmt::hb19a1068483db389 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x55b28f42564b - core::fmt::rt::Argument::fmt::he1186800a1f8dba1 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/rt.rs:165:63 [INFO] [stderr] 5: 0x55b28f42564b - core::fmt::write::h93b97d526ac83ab7 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/mod.rs:1169:21 [INFO] [stderr] 6: 0x55b28f4036ef - std::io::Write::write_fmt::h5b8b8a434bcca5dd [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/io/mod.rs:1835:15 [INFO] [stderr] 7: 0x55b28f405d0e - std::sys_common::backtrace::_print::h68eb04d9824256f0 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 8: 0x55b28f405d0e - std::sys_common::backtrace::print::h9c98f0d9c4306586 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 9: 0x55b28f407079 - std::panicking::default_hook::{{closure}}::hcf6830dc400daae4 [INFO] [stderr] 10: 0x55b28f406dbd - std::panicking::default_hook::h483615856e3a5cc0 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:298:9 [INFO] [stderr] 11: 0x55b28f407583 - std::panicking::rust_panic_with_hook::h36ebc998f351e5fd [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:795:13 [INFO] [stderr] 12: 0x55b28f407464 - std::panicking::begin_panic_handler::{{closure}}::h686207a93492b797 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:664:13 [INFO] [stderr] 13: 0x55b28f4063f9 - std::sys_common::backtrace::__rust_end_short_backtrace::h2e37e6bf5aac538a [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stderr] 14: 0x55b28f407197 - rust_begin_unwind [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:652:5 [INFO] [stderr] 15: 0x55b28f4247e3 - core::panicking::panic_fmt::heae5d8e5e3703b89 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/panicking.rs:72:14 [INFO] [stderr] 16: 0x55b28f424c46 - core::result::unwrap_failed::hd5eec0649c67d3d0 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/result.rs:1658:5 [INFO] [stderr] 17: 0x55b28f37e578 - skeptic::run::hee4d804ba878aeb3 [INFO] [stderr] 18: 0x55b28f37d916 - skeptic::generate_doc_tests::hef1370c8bf8ea09a [INFO] [stderr] 19: 0x55b28f37e17b - build_script_build::main::he89ff6b2dcf74252 [INFO] [stderr] 20: 0x55b28f37c243 - core::ops::function::FnOnce::call_once::h89678559b9756179 [INFO] [stderr] 21: 0x55b28f37be56 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0ba5a82901a1a37e [INFO] [stderr] 22: 0x55b28f37bf89 - std::rt::lang_start::{{closure}}::h7d1db24fd62ba829 [INFO] [stderr] 23: 0x55b28f40092d - core::ops::function::impls:: for &F>::call_once::h75d0a4fe40296b94 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 24: 0x55b28f40092d - std::panicking::try::do_call::ha27ca65264b021a4 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:559:40 [INFO] [stderr] 25: 0x55b28f40092d - std::panicking::try::h901e100a17b3cd54 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:523:19 [INFO] [stderr] 26: 0x55b28f40092d - std::panic::catch_unwind::h13d256f1691dfb07 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panic.rs:149:14 [INFO] [stderr] 27: 0x55b28f40092d - std::rt::lang_start_internal::{{closure}}::hdf5a5a26190e1fd8 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/rt.rs:141:48 [INFO] [stderr] 28: 0x55b28f40092d - std::panicking::try::do_call::h3a8fb98242ec30e5 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:559:40 [INFO] [stderr] 29: 0x55b28f40092d - std::panicking::try::h881801cd3cb8ba77 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:523:19 [INFO] [stderr] 30: 0x55b28f40092d - std::panic::catch_unwind::he14d380083644433 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panic.rs:149:14 [INFO] [stderr] 31: 0x55b28f40092d - std::rt::lang_start_internal::hf560e7575b65e65f [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/rt.rs:141:20 [INFO] [stderr] 32: 0x55b28f37bf67 - std::rt::lang_start::h9b6eec8bd994d037 [INFO] [stderr] 33: 0x55b28f37e2e5 - main [INFO] [stderr] 34: 0x7f74ac3bdd90 - [INFO] [stderr] 35: 0x7f74ac3bde40 - __libc_start_main [INFO] [stderr] 36: 0x55b28f37b5d5 - _start [INFO] [stderr] 37: 0x0 - [INFO] running `Command { std: "docker" "inspect" "d9afeb6fa778242e17561eec2947fe29016cd9a581014b457929dd5fcb569fe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9afeb6fa778242e17561eec2947fe29016cd9a581014b457929dd5fcb569fe0", kill_on_drop: false }` [INFO] [stdout] d9afeb6fa778242e17561eec2947fe29016cd9a581014b457929dd5fcb569fe0