[INFO] cloning 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" "clone" "--bare" "https://github.com/jez/rust-lc-interp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjez%2Frust-lc-interp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjez%2Frust-lc-interp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da8133610164f4bee56c2f8d50ddcf1ff81c9e8b [INFO] testing jez/rust-lc-interp against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjez%2Frust-lc-interp" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jez/rust-lc-interp on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lalrpop-util v0.17.1 [INFO] [stderr] Downloaded lalrpop v0.17.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f4033c8bdd1a1f212dd5947c23ec8666eccd7a879a661a65dc92d2c6d292ce62 [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" "f4033c8bdd1a1f212dd5947c23ec8666eccd7a879a661a65dc92d2c6d292ce62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4033c8bdd1a1f212dd5947c23ec8666eccd7a879a661a65dc92d2c6d292ce62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4033c8bdd1a1f212dd5947c23ec8666eccd7a879a661a65dc92d2c6d292ce62", kill_on_drop: false }` [INFO] [stdout] f4033c8bdd1a1f212dd5947c23ec8666eccd7a879a661a65dc92d2c6d292ce62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f432b5072a5fe0f87b607d8b633475ca1fe19e274ffb3b38e35dcd84a892840c [INFO] running `Command { std: "docker" "start" "-a" "f432b5072a5fe0f87b607d8b633475ca1fe19e274ffb3b38e35dcd84a892840c", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling lalrpop-util v0.17.1 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling regex v1.2.1 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling ena v0.13.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling syn v0.15.42 [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 phf_generator v0.7.24 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling 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-60237592557db216/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-60237592557db216/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-60237592557db216/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-60237592557db216/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-60237592557db216/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-60237592557db216/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-60237592557db216/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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 52.78s [INFO] running `Command { std: "docker" "inspect" "f432b5072a5fe0f87b607d8b633475ca1fe19e274ffb3b38e35dcd84a892840c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f432b5072a5fe0f87b607d8b633475ca1fe19e274ffb3b38e35dcd84a892840c", kill_on_drop: false }` [INFO] [stdout] f432b5072a5fe0f87b607d8b633475ca1fe19e274ffb3b38e35dcd84a892840c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 714cd6abcf50f6e8e6eac6efb41656134fde07b04a369c17cbed42be03234791 [INFO] running `Command { std: "docker" "start" "-a" "714cd6abcf50f6e8e6eac6efb41656134fde07b04a369c17cbed42be03234791", kill_on_drop: false }` [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-60237592557db216/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-60237592557db216/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-60237592557db216/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-60237592557db216/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-60237592557db216/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-60237592557db216/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-60237592557db216/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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.33s [INFO] running `Command { std: "docker" "inspect" "714cd6abcf50f6e8e6eac6efb41656134fde07b04a369c17cbed42be03234791", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "714cd6abcf50f6e8e6eac6efb41656134fde07b04a369c17cbed42be03234791", kill_on_drop: false }` [INFO] [stdout] 714cd6abcf50f6e8e6eac6efb41656134fde07b04a369c17cbed42be03234791 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 79e40847deb1d0e3ac4f5f3826d9a63e7be94fae36fc8bc8434be63b7e3fd4c6 [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" "79e40847deb1d0e3ac4f5f3826d9a63e7be94fae36fc8bc8434be63b7e3fd4c6", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stdout] running 0 tests [INFO] [stderr] --> /opt/rustwide/target/debug/build/lc-interp-60237592557db216/out/lc.rs:3376:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 3376 | (__0) [INFO] [stdout] [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/lc-interp-60237592557db216/out/lc.rs:3388:5 [INFO] [stderr] | [INFO] [stderr] 3388 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/lc-interp-60237592557db216/out/lc.rs:3400:5 [INFO] [stderr] | [INFO] [stderr] 3400 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/lc-interp-60237592557db216/out/lc.rs:3412:5 [INFO] [stderr] | [INFO] [stderr] 3412 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/lc-interp-60237592557db216/out/lc.rs:3472:5 [INFO] [stderr] | [INFO] [stderr] 3472 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/lc-interp-60237592557db216/out/lc.rs:3499:5 [INFO] [stderr] | [INFO] [stderr] 3499 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/lc-interp-60237592557db216/out/lc.rs:3513:5 [INFO] [stderr] | [INFO] [stderr] 3513 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lc_interp-d33a22ce5837919d) [INFO] running `Command { std: "docker" "inspect" "79e40847deb1d0e3ac4f5f3826d9a63e7be94fae36fc8bc8434be63b7e3fd4c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79e40847deb1d0e3ac4f5f3826d9a63e7be94fae36fc8bc8434be63b7e3fd4c6", kill_on_drop: false }` [INFO] [stdout] 79e40847deb1d0e3ac4f5f3826d9a63e7be94fae36fc8bc8434be63b7e3fd4c6