[INFO] cloning repository https://github.com/Cristiandi/course-rust-in-motion [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cristiandi/course-rust-in-motion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCristiandi%2Fcourse-rust-in-motion", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCristiandi%2Fcourse-rust-in-motion'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 812eadf4584a270a9207a8e3797e5afc88d2993b [INFO] documenting Cristiandi/course-rust-in-motion against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCristiandi%2Fcourse-rust-in-motion" "/workspace/builds/worker-38/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Cristiandi/course-rust-in-motion on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Cristiandi/course-rust-in-motion [INFO] finished tweaking git repo https://github.com/Cristiandi/course-rust-in-motion [INFO] tweaked toml for git repo https://github.com/Cristiandi/course-rust-in-motion written to /workspace/builds/worker-38/source/Cargo.toml [INFO] crate git repo https://github.com/Cristiandi/course-rust-in-motion already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11387b2ef6aab8dc4e1e3131e72857dfa85e453d3ff5f701d00953450b8b84fd [INFO] running `Command { std: "docker" "start" "-a" "11387b2ef6aab8dc4e1e3131e72857dfa85e453d3ff5f701d00953450b8b84fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11387b2ef6aab8dc4e1e3131e72857dfa85e453d3ff5f701d00953450b8b84fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11387b2ef6aab8dc4e1e3131e72857dfa85e453d3ff5f701d00953450b8b84fd", kill_on_drop: false }` [INFO] [stdout] 11387b2ef6aab8dc4e1e3131e72857dfa85e453d3ff5f701d00953450b8b84fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 204bcac11056c6e85a692ceaf8089756ed1a21255f9d0f0747f99dc118d6ae85 [INFO] running `Command { std: "docker" "start" "-a" "204bcac11056c6e85a692ceaf8089756ed1a21255f9d0f0747f99dc118d6ae85", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling backtrace v0.3.18 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Documenting myproject v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not document `myproject` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name custom_error_types src/unit-3/06_1_using_custom_error_type.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=3ff54146b2d9daf8 -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-8fa48e8ad30c0994.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-680fed70542bb63a.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-ddaa637438935b75.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-5a79bf91493d14b1.so --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-b820414865e1bc32.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-41f33829d6d68b3f.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f74998ff8b2d9052.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d1df3a982ec8eef7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not document `myproject` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name ownership_of_more_than_just_memory src/unit-2/08_1_drop_trait.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=88eb4f901b7d43d6 -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-8fa48e8ad30c0994.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-680fed70542bb63a.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-ddaa637438935b75.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-5a79bf91493d14b1.so --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-b820414865e1bc32.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-41f33829d6d68b3f.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f74998ff8b2d9052.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d1df3a982ec8eef7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `myproject` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name borrowing_code_patterns src/unit-2/07_5_splitting_up_structs.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=e96437edc934f4a0 -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-8fa48e8ad30c0994.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-680fed70542bb63a.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-ddaa637438935b75.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-5a79bf91493d14b1.so --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-b820414865e1bc32.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-41f33829d6d68b3f.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f74998ff8b2d9052.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d1df3a982ec8eef7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `myproject` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name writing_a_function_that_returns_a_result_and_using_the_question_mark_operator src/unit-3/04_2_use_q_mark_main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=acd6720c0c68e95a -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-8fa48e8ad30c0994.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-680fed70542bb63a.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-ddaa637438935b75.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-5a79bf91493d14b1.so --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-b820414865e1bc32.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-41f33829d6d68b3f.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f74998ff8b2d9052.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d1df3a982ec8eef7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `myproject` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name data_types src/unit-1/04_data-types.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=a18235142a2a2d87 -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-8fa48e8ad30c0994.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-680fed70542bb63a.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-ddaa637438935b75.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-5a79bf91493d14b1.so --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-b820414865e1bc32.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-41f33829d6d68b3f.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f74998ff8b2d9052.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d1df3a982ec8eef7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `myproject` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name variables src/unit-1/03_variables.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=c6502aaa5a5140a2 -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-8fa48e8ad30c0994.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-680fed70542bb63a.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-ddaa637438935b75.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-5a79bf91493d14b1.so --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-b820414865e1bc32.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-41f33829d6d68b3f.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f74998ff8b2d9052.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d1df3a982ec8eef7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `myproject` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name control_flow src/unit-1/06_control-flow.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=66181d98a35ba7b6 -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-8fa48e8ad30c0994.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-680fed70542bb63a.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-ddaa637438935b75.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-5a79bf91493d14b1.so --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-b820414865e1bc32.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-41f33829d6d68b3f.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f74998ff8b2d9052.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d1df3a982ec8eef7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `myproject` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name functions src/unit-1/05_functions.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=be689e8c5b93f16a -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-8fa48e8ad30c0994.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-680fed70542bb63a.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-ddaa637438935b75.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-5a79bf91493d14b1.so --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-b820414865e1bc32.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-41f33829d6d68b3f.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f74998ff8b2d9052.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d1df3a982ec8eef7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `myproject` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name panicking_when_something_goes_wrong src/unit-3/02_2_unimplemented.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=eae493b0a41b866f -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-8fa48e8ad30c0994.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-680fed70542bb63a.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-ddaa637438935b75.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-5a79bf91493d14b1.so --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-b820414865e1bc32.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-41f33829d6d68b3f.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f74998ff8b2d9052.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d1df3a982ec8eef7.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "204bcac11056c6e85a692ceaf8089756ed1a21255f9d0f0747f99dc118d6ae85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "204bcac11056c6e85a692ceaf8089756ed1a21255f9d0f0747f99dc118d6ae85", kill_on_drop: false }` [INFO] [stdout] 204bcac11056c6e85a692ceaf8089756ed1a21255f9d0f0747f99dc118d6ae85