[INFO] cloning repository https://github.com/wabain/rstarc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wabain/rstarc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwabain%2Frstarc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwabain%2Frstarc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23eaa46d645db49f6da854e558b4a9b8adc25f3c [INFO] checking wabain/rstarc against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwabain%2Frstarc" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wabain/rstarc on toolchain 195ad4830e11a544391abe296b146450dea8411b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wabain/rstarc [INFO] finished tweaking git repo https://github.com/wabain/rstarc [INFO] tweaked toml for git repo https://github.com/wabain/rstarc written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/wabain/rstarc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f660e932e1a067524789bc8a154b0f9dab6c8f3f9f8665c289400a1c00ddce1d [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" "f660e932e1a067524789bc8a154b0f9dab6c8f3f9f8665c289400a1c00ddce1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f660e932e1a067524789bc8a154b0f9dab6c8f3f9f8665c289400a1c00ddce1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f660e932e1a067524789bc8a154b0f9dab6c8f3f9f8665c289400a1c00ddce1d", kill_on_drop: false }` [INFO] [stdout] f660e932e1a067524789bc8a154b0f9dab6c8f3f9f8665c289400a1c00ddce1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTFLAGS=--cap-lints=forbid" "-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10dcade8fd90886c89ef8cd629c3c8b280207a7ec53a365c778a0e91539d3b7b [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" "10dcade8fd90886c89ef8cd629c3c8b280207a7ec53a365c778a0e91539d3b7b", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling byte-tools v0.3.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling opaque-debug v0.2.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling lalrpop-util v0.16.1 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking rstarc_types v0.1.0 (/opt/rustwide/workdir/crates/rstarc_types) [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Compiling block-padding v0.1.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Compiling phf_shared v0.7.22 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling ena v0.10.1 [INFO] [stderr] Compiling phf_generator v0.7.22 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling quote v0.6.4 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling syn v0.14.5 [INFO] [stderr] Compiling string_cache_codegen v0.4.1 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling block-buffer v0.7.0 [INFO] [stderr] Compiling digest v0.8.0 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling serde_derive v1.0.70 [INFO] [stderr] Compiling llvm-sys v60.1.0 [INFO] [stderr] Compiling docopt v1.0.1 [INFO] [stderr] Compiling lalrpop v0.16.1 [INFO] [stderr] Compiling rstarc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/base_analysis/scoping.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | (0..self.scope_data.len() as ScopeId) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/codegen/simple_ir.rs:808:10 [INFO] [stdout] | [INFO] [stdout] 808 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rstarc-9ede06034cddae7f/out/syntax/parser.rs:4047:5 [INFO] [stdout] | [INFO] [stdout] 4047 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/base_analysis/scoping.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | (0..self.scope_data.len() as ScopeId) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/codegen/simple_ir.rs:808:10 [INFO] [stdout] | [INFO] [stdout] 808 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rstarc-9ede06034cddae7f/out/syntax/parser.rs:4047:5 [INFO] [stdout] | [INFO] [stdout] 4047 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/interpreter.rs:368:13 [INFO] [stdout] | [INFO] [stdout] 368 | mem::replace(&mut self.scope, old_scope); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/interpreter.rs:368:13 [INFO] [stdout] | [INFO] [stdout] 368 | mem::replace(&mut self.scope, old_scope); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 57s [INFO] running `Command { std: "docker" "inspect" "10dcade8fd90886c89ef8cd629c3c8b280207a7ec53a365c778a0e91539d3b7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10dcade8fd90886c89ef8cd629c3c8b280207a7ec53a365c778a0e91539d3b7b", kill_on_drop: false }` [INFO] [stdout] 10dcade8fd90886c89ef8cd629c3c8b280207a7ec53a365c778a0e91539d3b7b