[INFO] fetching crate math-calc 0.1.0... [INFO] checking math-calc-0.1.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate math-calc 0.1.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate math-calc 0.1.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate math-calc 0.1.0 [INFO] finished tweaking crates.io crate math-calc 0.1.0 [INFO] tweaked toml for crates.io crate math-calc 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1aaf4e79bae23f45f328f101e09d2d7db0ef910875c99fbaa33843042816ec99 [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" "1aaf4e79bae23f45f328f101e09d2d7db0ef910875c99fbaa33843042816ec99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1aaf4e79bae23f45f328f101e09d2d7db0ef910875c99fbaa33843042816ec99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1aaf4e79bae23f45f328f101e09d2d7db0ef910875c99fbaa33843042816ec99", kill_on_drop: false }` [INFO] [stdout] 1aaf4e79bae23f45f328f101e09d2d7db0ef910875c99fbaa33843042816ec99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4233d532c291407b5de518209944f9d1e66e03e06f9c1d32fbd1f9a83d3a9e90 [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" "4233d532c291407b5de518209944f9d1e66e03e06f9c1d32fbd1f9a83d3a9e90", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling libc v0.2.85 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.2 [INFO] [stderr] Compiling math-calc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-dbfe5dae9229e0f9/out/grammar.rs:995:5 [INFO] [stdout] | [INFO] [stdout] 995 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:1006:5 [INFO] [stdout] | [INFO] [stdout] 1006 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:1071:5 [INFO] [stdout] | [INFO] [stdout] 1071 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:1108:5 [INFO] [stdout] | [INFO] [stdout] 1108 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:1132:5 [INFO] [stdout] | [INFO] [stdout] 1132 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:1143:5 [INFO] [stdout] | [INFO] [stdout] 1143 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:1156:5 [INFO] [stdout] | [INFO] [stdout] 1156 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:995:5 [INFO] [stdout] | [INFO] [stdout] 995 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:1006:5 [INFO] [stdout] | [INFO] [stdout] 1006 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:1071:5 [INFO] [stdout] | [INFO] [stdout] 1071 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:1108:5 [INFO] [stdout] | [INFO] [stdout] 1108 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:1132:5 [INFO] [stdout] | [INFO] [stdout] 1132 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:1143:5 [INFO] [stdout] | [INFO] [stdout] 1143 | (__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/math-calc-dbfe5dae9229e0f9/out/grammar.rs:1156:5 [INFO] [stdout] | [INFO] [stdout] 1156 | (__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 58.95s [INFO] running `Command { std: "docker" "inspect" "4233d532c291407b5de518209944f9d1e66e03e06f9c1d32fbd1f9a83d3a9e90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4233d532c291407b5de518209944f9d1e66e03e06f9c1d32fbd1f9a83d3a9e90", kill_on_drop: false }` [INFO] [stdout] 4233d532c291407b5de518209944f9d1e66e03e06f9c1d32fbd1f9a83d3a9e90