[INFO] cloning repository https://github.com/ferrite-rs/ferrite-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ferrite-rs/ferrite-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrite-rs%2Fferrite-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrite-rs%2Fferrite-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a84f78984c4130a657ff7cbcae51e86e32764446
[INFO] documenting ferrite-rs/ferrite-tutorial 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%2Fferrite-rs%2Fferrite-tutorial" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ferrite-rs/ferrite-tutorial 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/ferrite-rs/ferrite-tutorial
[INFO] finished tweaking git repo https://github.com/ferrite-rs/ferrite-tutorial
[INFO] tweaked toml for git repo https://github.com/ferrite-rs/ferrite-tutorial written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/ferrite-rs/ferrite-tutorial 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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] f667fa7c1cf746d38df7d2dd71970332792f3277731138a15b999cf2a19b0546
[INFO] running `Command { std: "docker" "start" "-a" "f667fa7c1cf746d38df7d2dd71970332792f3277731138a15b999cf2a19b0546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f667fa7c1cf746d38df7d2dd71970332792f3277731138a15b999cf2a19b0546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f667fa7c1cf746d38df7d2dd71970332792f3277731138a15b999cf2a19b0546", kill_on_drop: false }`
[INFO] [stdout] f667fa7c1cf746d38df7d2dd71970332792f3277731138a15b999cf2a19b0546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] d7f99bd75f34bcf4107d26569f2176ff9802b663dd9742f1e141d2e30f04c83e
[INFO] running `Command { std: "docker" "start" "-a" "d7f99bd75f34bcf4107d26569f2176ff9802b663dd9742f1e141d2e30f04c83e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling tokio v1.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ipc-channel v0.15.0
[INFO] [stderr]     Checking ferrite-session v0.2.0
[INFO] [stderr]  Documenting ferrite-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `ferrite-tutorial`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 06_rec_calculator src/bin/06_rec_calculator.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=9106a883a6b3a2bf -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d66a5048f9b5ccc3.rmeta --extern ferrite_session=/opt/rustwide/target/debug/deps/libferrite_session-a64c83b9484a0f11.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-9a6362e4d74439fe.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-3100f33eaae68389.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 `ferrite-tutorial`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 07_rec_atm src/bin/07_rec_atm.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=3cd49f40a83dd781 -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d66a5048f9b5ccc3.rmeta --extern ferrite_session=/opt/rustwide/target/debug/deps/libferrite_session-a64c83b9484a0f11.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-9a6362e4d74439fe.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-3100f33eaae68389.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stdout] warning: unresolved link to `Main`
[INFO] [stdout]   --> src/bin/03_coin_exchange.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 |     value, print out the line "[Main] Gotten Drink drink".
[INFO] [stdout]    |                                 ^^^^ no item named `Main` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ferrite-tutorial`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 05_simple_atm src/bin/05_simple_atm.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=549921565cd7175e -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d66a5048f9b5ccc3.rmeta --extern ferrite_session=/opt/rustwide/target/debug/deps/libferrite_session-a64c83b9484a0f11.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-9a6362e4d74439fe.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-3100f33eaae68389.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ferrite-tutorial`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 04_simple_calculator src/bin/04_simple_calculator.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=cb7a1aab00ed0bcf -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d66a5048f9b5ccc3.rmeta --extern ferrite_session=/opt/rustwide/target/debug/deps/libferrite_session-a64c83b9484a0f11.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-9a6362e4d74439fe.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-3100f33eaae68389.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d7f99bd75f34bcf4107d26569f2176ff9802b663dd9742f1e141d2e30f04c83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f99bd75f34bcf4107d26569f2176ff9802b663dd9742f1e141d2e30f04c83e", kill_on_drop: false }`
[INFO] [stdout] d7f99bd75f34bcf4107d26569f2176ff9802b663dd9742f1e141d2e30f04c83e