[INFO] cloning repository https://github.com/SuperTails/langcraft [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SuperTails/langcraft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperTails%2Flangcraft", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperTails%2Flangcraft'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] df90085ffb9a3f125b96f0137e8e0653b6289776 [INFO] documenting SuperTails/langcraft against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperTails%2Flangcraft" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SuperTails/langcraft on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SuperTails/langcraft [INFO] finished tweaking git repo https://github.com/SuperTails/langcraft [INFO] tweaked toml for git repo https://github.com/SuperTails/langcraft written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/SuperTails/langcraft already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_with v1.4.0 [INFO] [stderr] Downloaded llvm-sys v100.2.0 [INFO] [stderr] Downloaded serde_with_macros v1.1.0 [INFO] [stderr] Downloaded llvm-ir v0.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bacf642874e67f0eeeaf8cef131f1a3be40fd43fecce9b7d162ee38550b589ce [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" "bacf642874e67f0eeeaf8cef131f1a3be40fd43fecce9b7d162ee38550b589ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bacf642874e67f0eeeaf8cef131f1a3be40fd43fecce9b7d162ee38550b589ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bacf642874e67f0eeeaf8cef131f1a3be40fd43fecce9b7d162ee38550b589ce", kill_on_drop: false }` [INFO] [stdout] bacf642874e67f0eeeaf8cef131f1a3be40fd43fecce9b7d162ee38550b589ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df92cb78e51ff3c118dcf9e53d86d367271e13e3c89ff660523393d52dc1cc25 [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" "df92cb78e51ff3c118dcf9e53d86d367271e13e3c89ff660523393d52dc1cc25", kill_on_drop: false }` [INFO] [stderr] Compiling llvm-ir v0.7.1 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling serde_with_macros v1.1.0 [INFO] [stderr] Checking serde v1.0.114 [INFO] [stderr] Checking serde_json v1.0.56 [INFO] [stderr] Checking serde_with v1.4.0 [INFO] [stderr] Checking langcraft v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting langcraft v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/compile_ir.rs:1653:30 [INFO] [stdout] | [INFO] [stdout] 1653 | } else if let Some(((d, s), len)) = dest_align.zip(src_align).zip(as_const_32(len)).filter(|((d, s), _)| d % 4 == 0 && s % 4 == 0) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/compile_ir.rs:1653:33 [INFO] [stdout] | [INFO] [stdout] 1653 | } else if let Some(((d, s), len)) = dest_align.zip(src_align).zip(as_const_32(len)).filter(|((d, s), _)| d % 4 == 0 && s % 4 == 0) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `all_dests` [INFO] [stdout] --> src/analysis.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn all_dests(&self, func_starts: &HashMap) -> Option> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_cond_dest` [INFO] [stdout] --> src/analysis.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn get_cond_dest(&self) -> Option<(ScoreHolder, FunctionId, FunctionId)> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `has_call_cycle` [INFO] [stdout] --> src/analysis.rs:155:15 [INFO] [stdout] | [INFO] [stdout] 155 | pub(crate) fn has_call_cycle(funcs: &[&Function], index: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `has_call_cycle_inner` [INFO] [stdout] --> src/analysis.rs:160:4 [INFO] [stdout] | [INFO] [stdout] 160 | fn has_call_cycle_inner(funcs: &[&Function], index: usize, visited: &mut HashSet) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `BlockTree` [INFO] [stdout] --> src/analysis.rs:247:1 [INFO] [stdout] | [INFO] [stdout] 247 | pub(crate) type BlockTree<'a> = (DiGraph, BlockEdge>, NodeIndex); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.49s [INFO] running `Command { std: "docker" "inspect" "df92cb78e51ff3c118dcf9e53d86d367271e13e3c89ff660523393d52dc1cc25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df92cb78e51ff3c118dcf9e53d86d367271e13e3c89ff660523393d52dc1cc25", kill_on_drop: false }` [INFO] [stdout] df92cb78e51ff3c118dcf9e53d86d367271e13e3c89ff660523393d52dc1cc25