[INFO] cloning repository https://github.com/yqy7/rustleetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yqy7/rustleetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyqy7%2Frustleetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyqy7%2Frustleetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a2235d28c0bedb639f2a91fa1b1282e27968a372 [INFO] documenting yqy7/rustleetcode 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%2Fyqy7%2Frustleetcode" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yqy7/rustleetcode 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/yqy7/rustleetcode [INFO] finished tweaking git repo https://github.com/yqy7/rustleetcode [INFO] tweaked toml for git repo https://github.com/yqy7/rustleetcode written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/yqy7/rustleetcode 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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] bcd80ee49f200f1d5cd595e018448a3d5c6072a5d818cd276b058ee7a3e4df3e [INFO] running `Command { std: "docker" "start" "-a" "bcd80ee49f200f1d5cd595e018448a3d5c6072a5d818cd276b058ee7a3e4df3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bcd80ee49f200f1d5cd595e018448a3d5c6072a5d818cd276b058ee7a3e4df3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcd80ee49f200f1d5cd595e018448a3d5c6072a5d818cd276b058ee7a3e4df3e", kill_on_drop: false }` [INFO] [stdout] bcd80ee49f200f1d5cd595e018448a3d5c6072a5d818cd276b058ee7a3e4df3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d1febaf6f55be4e9e94cd84334b05d509015cb7351ff6fe0df55b79d4ef11aff [INFO] running `Command { std: "docker" "start" "-a" "d1febaf6f55be4e9e94cd84334b05d509015cb7351ff6fe0df55b79d4ef11aff", kill_on_drop: false }` [INFO] [stderr] Checking rustleetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting rustleetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut root = TreeNode::newTreeNode(vec[0].unwrap()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fromVec` should have a snake case name [INFO] [stdout] --> src/lib.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn fromVec(vec: Vec) -> Option> { [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `from_vec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `newTreeNode` should have a snake case name [INFO] [stdout] --> src/lib.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn newTreeNode(val: i32) -> Rc> { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `new_tree_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t110 src/bin/t110.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0956b599c22c93d9 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.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 `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t83 src/bin/t83.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b02e028483bd8e71 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t136 src/bin/t136.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2d25067d111c8c55 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t119 src/bin/t119.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=126171cf6360e156 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t53 src/bin/t53.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2d0a681e48b10cd1 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t111 src/bin/t111.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=62e677ad854b2419 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t108 src/bin/t108.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=dacbd01aaa520bde -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t1 src/bin/t1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1c0bdfc374ff38ca -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t122 src/bin/t122.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ea6a96de83fce9ba -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t28 src/bin/t28.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=314f99f8cfdcb5c1 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t35 src/bin/t35.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2bb92a9fea457499 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t104 src/bin/t104.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0a7ed7ceaa9b495e -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t101 src/bin/t101.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fa27994d6e712692 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t13 src/bin/t13.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3f5a140d765e50ec -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t121 src/bin/t121.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6f23eb2ba7e61082 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t14 src/bin/t14.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=86c46760f3a2e5a1 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t26 src/bin/t26.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1641be016bdb70ff -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t7 src/bin/t7.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7c605b5cc672ad71 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t9 src/bin/t9.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=626adfe15706718c -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t125 src/bin/t125.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3a4d6a9954c167ae -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t88 src/bin/t88.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4c31bea5d3ad63cd -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t20 src/bin/t20.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=006446eca0fd789a -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `rustleetcode` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name t69 src/bin/t69.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6ccf44ac1bc51e28 -L dependency=/opt/rustwide/target/debug/deps --extern rustleetcode=/opt/rustwide/target/debug/deps/librustleetcode-ddd0343012609de2.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "d1febaf6f55be4e9e94cd84334b05d509015cb7351ff6fe0df55b79d4ef11aff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1febaf6f55be4e9e94cd84334b05d509015cb7351ff6fe0df55b79d4ef11aff", kill_on_drop: false }` [INFO] [stdout] d1febaf6f55be4e9e94cd84334b05d509015cb7351ff6fe0df55b79d4ef11aff