[INFO] updating cached repository https://github.com/sivakon/rust-exp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6411253d18b8a00ba05b0b068ed9a3b91a8a859d [INFO] checking sivakon/rust-exp against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsivakon%2Frust-exp" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sivakon/rust-exp on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sivakon/rust-exp [INFO] finished tweaking git repo https://github.com/sivakon/rust-exp [INFO] tweaked toml for git repo https://github.com/sivakon/rust-exp written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/sivakon/rust-exp already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 443cd1d62782465d99148fc9aeb5a336e2356f9ad5ed8479a26971ce77258b3f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "443cd1d62782465d99148fc9aeb5a336e2356f9ad5ed8479a26971ce77258b3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "443cd1d62782465d99148fc9aeb5a336e2356f9ad5ed8479a26971ce77258b3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "443cd1d62782465d99148fc9aeb5a336e2356f9ad5ed8479a26971ce77258b3f", kill_on_drop: false }` [INFO] [stdout] 443cd1d62782465d99148fc9aeb5a336e2356f9ad5ed8479a26971ce77258b3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64f1f8602e685ca44e01e3a1301b165323170163287104e461b0f929385fffce [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "64f1f8602e685ca44e01e3a1301b165323170163287104e461b0f929385fffce", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking rustlvl2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments` [INFO] [stdout] --> src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | #[allow(unused_doc_comment)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments` [INFO] [stdout] --> src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | #[allow(unused_doc_comment)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 97 | / /** [INFO] [stdout] 98 | | * this is an unused documentation step [INFO] [stdout] 99 | | * HASHMAP [INFO] [stdout] 100 | | */ [INFO] [stdout] | |_______^ [INFO] [stdout] ... [INFO] [stdout] 103 | let mut scores = HashMap::new(); [INFO] [stdout] | -------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:148:5 [INFO] [stdout] | [INFO] [stdout] 148 | / /** [INFO] [stdout] 149 | | * Some exercises [INFO] [stdout] 150 | | */ [INFO] [stdout] | |_______^ [INFO] [stdout] 151 | let v = vec![1,2,3,4,5]; [INFO] [stdout] | ------------------------ rustdoc does not generate documentation for statements [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 97 | / /** [INFO] [stdout] 98 | | * this is an unused documentation step [INFO] [stdout] 99 | | * HASHMAP [INFO] [stdout] 100 | | */ [INFO] [stdout] | |_______^ [INFO] [stdout] ... [INFO] [stdout] 103 | let mut scores = HashMap::new(); [INFO] [stdout] | -------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:148:5 [INFO] [stdout] | [INFO] [stdout] 148 | / /** [INFO] [stdout] 149 | | * Some exercises [INFO] [stdout] 150 | | */ [INFO] [stdout] | |_______^ [INFO] [stdout] 151 | let v = vec![1,2,3,4,5]; [INFO] [stdout] | ------------------------ rustdoc does not generate documentation for statements [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "64f1f8602e685ca44e01e3a1301b165323170163287104e461b0f929385fffce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64f1f8602e685ca44e01e3a1301b165323170163287104e461b0f929385fffce", kill_on_drop: false }` [INFO] [stdout] 64f1f8602e685ca44e01e3a1301b165323170163287104e461b0f929385fffce