[INFO] updating cached repository https://github.com/jez/rust-lc-interp [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] da8133610164f4bee56c2f8d50ddcf1ff81c9e8b [INFO] checking jez/rust-lc-interp against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjez%2Frust-lc-interp" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jez/rust-lc-interp on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jez/rust-lc-interp [INFO] finished tweaking git repo https://github.com/jez/rust-lc-interp [INFO] tweaked toml for git repo https://github.com/jez/rust-lc-interp written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/jez/rust-lc-interp already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c92f52b32dd35f4de7ee2e615b1749c2f1348b6f2b43ea06fe452d5dd41d7e49 [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" "c92f52b32dd35f4de7ee2e615b1749c2f1348b6f2b43ea06fe452d5dd41d7e49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c92f52b32dd35f4de7ee2e615b1749c2f1348b6f2b43ea06fe452d5dd41d7e49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c92f52b32dd35f4de7ee2e615b1749c2f1348b6f2b43ea06fe452d5dd41d7e49", kill_on_drop: false }` [INFO] [stdout] c92f52b32dd35f4de7ee2e615b1749c2f1348b6f2b43ea06fe452d5dd41d7e49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd61555c020ae5c62efcf04b1e3c8359ac434efe148e552cb56344cc9bf54e09 [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" "bd61555c020ae5c62efcf04b1e3c8359ac434efe148e552cb56344cc9bf54e09", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling regex-syntax v0.6.11 [INFO] [stderr] Compiling lalrpop-util v0.17.1 [INFO] [stderr] Checking strsim v0.9.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling ena v0.13.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Checking docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.1 [INFO] [stderr] Compiling lc-interp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3376:5 [INFO] [stdout] | [INFO] [stdout] 3376 | (__0) [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 parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3388:5 [INFO] [stdout] | [INFO] [stdout] 3388 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3400:5 [INFO] [stdout] | [INFO] [stdout] 3400 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3412:5 [INFO] [stdout] | [INFO] [stdout] 3412 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3472:5 [INFO] [stdout] | [INFO] [stdout] 3472 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3499:5 [INFO] [stdout] | [INFO] [stdout] 3499 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3513:5 [INFO] [stdout] | [INFO] [stdout] 3513 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3376:5 [INFO] [stdout] | [INFO] [stdout] 3376 | (__0) [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 parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3388:5 [INFO] [stdout] | [INFO] [stdout] 3388 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3400:5 [INFO] [stdout] | [INFO] [stdout] 3400 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3412:5 [INFO] [stdout] | [INFO] [stdout] 3412 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3472:5 [INFO] [stdout] | [INFO] [stdout] 3472 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3499:5 [INFO] [stdout] | [INFO] [stdout] 3499 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/lc-interp-0d9db50f4a2e110a/out/lc.rs:3513:5 [INFO] [stdout] | [INFO] [stdout] 3513 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 44s [INFO] running `Command { std: "docker" "inspect" "bd61555c020ae5c62efcf04b1e3c8359ac434efe148e552cb56344cc9bf54e09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd61555c020ae5c62efcf04b1e3c8359ac434efe148e552cb56344cc9bf54e09", kill_on_drop: false }` [INFO] [stdout] bd61555c020ae5c62efcf04b1e3c8359ac434efe148e552cb56344cc9bf54e09