[INFO] cloning repository https://github.com/komkomh/hello_rust_world [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/komkomh/hello_rust_world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomkomh%2Fhello_rust_world", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomkomh%2Fhello_rust_world'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1ec8c1669ad4920123aa7701398507f5969f0381 [INFO] documenting komkomh/hello_rust_world against 1.61.0 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomkomh%2Fhello_rust_world" "/workspace/builds/worker-37/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/komkomh/hello_rust_world on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/komkomh/hello_rust_world [INFO] finished tweaking git repo https://github.com/komkomh/hello_rust_world [INFO] tweaked toml for git repo https://github.com/komkomh/hello_rust_world written to /workspace/builds/worker-37/source/Cargo.toml [INFO] crate git repo https://github.com/komkomh/hello_rust_world already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand v0.4.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42d25865b936198a7916a83ba1b5e0d552fc6f7207d75def4d363e3501a2117b [INFO] running `Command { std: "docker" "start" "-a" "42d25865b936198a7916a83ba1b5e0d552fc6f7207d75def4d363e3501a2117b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42d25865b936198a7916a83ba1b5e0d552fc6f7207d75def4d363e3501a2117b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42d25865b936198a7916a83ba1b5e0d552fc6f7207d75def4d363e3501a2117b", kill_on_drop: false }` [INFO] [stdout] 42d25865b936198a7916a83ba1b5e0d552fc6f7207d75def4d363e3501a2117b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dddcaf4dcd170b56b1df9e9316dd48fdf22301d39b40a095fa0d41b1fa4bf61e [INFO] running `Command { std: "docker" "start" "-a" "dddcaf4dcd170b56b1df9e9316dd48fdf22301d39b40a095fa0d41b1fa4bf61e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.46 [INFO] [stderr] Checking rand v0.4.4 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Documenting hello_rust_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no486 src/bin/no486.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b5b3e704323e2b3a -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.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 `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no311 src/bin/no311.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cef5bb0f3e41947e -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no795 src/bin/no795.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=04324b9d0df88f4e -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name reversi_hairetsu9_reverse src/reversi/hairetsu9_min_score.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=48f04b79657a0278 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name main src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4e36811cd8793e67 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name fizzbuzz src/exercises/fizzbuzz.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=08f4f4d4a2a93cb2 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name reversi_hairetsu2 src/reversi/hairetsu2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f4f60bb1e88dd129 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name reversi_hairetsu7_points src/reversi/hairetsu7_points.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6d5342d7b5c0fe03 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name loop src/exercises/loop.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cd3e9f75fbf4920b -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no597 src/bin/no597.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2851e064d4f93242 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no799 src/bin/no799.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5653e4969c914ce7 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no345 src/bin/no345.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a978a153a0c9edc5 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no809 src/bin/no809.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ae67fa4445b21ddc -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no591 src/bin/no591.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=04daee648a9c8b59 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no729 src/bin/no729.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=63f5bab57cfffbdd -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no24 src/bin/no24.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=737a2de22338bcda -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name reversi_hairetsu6_score src/reversi/hairetsu6_score.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8be1cb85cf9198c6 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name reversi_hairetsu5 src/reversi/hairetsu5.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=aec5cfa12e8c4216 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name reversi_client src/reversi/client.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5d0925e5bd54f080 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no299 src/bin/no299.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d1f183270928a08f -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name reversi_hairetsu8_reverse src/reversi/hairetsu8_reverse.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c6030193a30f8b35 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no687 src/bin/no687.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7396b2e75637ff69 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no570 src/bin/no570.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8f20cc35e7c97b30 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no104 src/bin/no104.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3034e447acbba0f0 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no830 src/bin/no830.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f323fb206963430d -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `hello_rust_world` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name no227 src/bin/no227.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a3ce2a2f46a01d6e -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-51f65b91661645d2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "dddcaf4dcd170b56b1df9e9316dd48fdf22301d39b40a095fa0d41b1fa4bf61e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dddcaf4dcd170b56b1df9e9316dd48fdf22301d39b40a095fa0d41b1fa4bf61e", kill_on_drop: false }` [INFO] [stdout] dddcaf4dcd170b56b1df9e9316dd48fdf22301d39b40a095fa0d41b1fa4bf61e