[INFO] fetching crate unseemly 0.0.0... [INFO] checking unseemly-0.0.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate unseemly 0.0.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate unseemly 0.0.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate unseemly 0.0.0 [INFO] finished tweaking crates.io crate unseemly 0.0.0 [INFO] tweaked toml for crates.io crate unseemly 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate unseemly 0.0.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded intervaltree v0.2.4 [INFO] [stderr] Downloaded addr2line v0.10.0 [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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ec93c0a5a6fbf2a1d9d643ef2d994726c31a5f1852ff13f479bcde067a4342a [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" "7ec93c0a5a6fbf2a1d9d643ef2d994726c31a5f1852ff13f479bcde067a4342a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ec93c0a5a6fbf2a1d9d643ef2d994726c31a5f1852ff13f479bcde067a4342a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ec93c0a5a6fbf2a1d9d643ef2d994726c31a5f1852ff13f479bcde067a4342a", kill_on_drop: false }` [INFO] [stdout] 7ec93c0a5a6fbf2a1d9d643ef2d994726c31a5f1852ff13f479bcde067a4342a [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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--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] ad0679bd999a53a6c1a40cc549a9c720e8a0eb2523cd205f8728ffb0a157d96b [INFO] running `Command { std: "docker" "start" "-a" "ad0679bd999a53a6c1a40cc549a9c720e8a0eb2523cd205f8728ffb0a157d96b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling nix v0.13.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking regex-syntax v0.6.13 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking quote v0.3.15 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-bigint v0.2.5 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-rational v0.2.3 [INFO] [stderr] Checking thread_local v1.0.0 [INFO] [stderr] Compiling scroll v0.9.2 [INFO] [stderr] Compiling im-rc v13.0.0 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking intervaltree v0.2.4 [INFO] [stderr] Checking gimli v0.19.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking findshlibs v0.5.0 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking sized-chunks v0.3.1 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Checking addr2line v0.10.0 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking rustyline v4.1.0 [INFO] [stderr] Compiling scroll_derive v0.9.5 [INFO] [stderr] Checking goblin v0.0.24 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking color-backtrace v0.3.0 [INFO] [stderr] Checking unseemly v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/ast.rs:54:81 [INFO] [stdout] | [INFO] [stdout] 54 | extract!((v) crate::runtime::eval::Value::AbstractSyntax = (ref ast) => (ast.clone())) [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 braces around block return value [INFO] [stdout] --> src/runtime/core_values.rs:65:37 [INFO] [stdout] | [INFO] [stdout] 65 | ( Int(a), Int(b) ) => { val!(b a == b)} ), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/runtime/core_values.rs:61:29 [INFO] [stdout] | [INFO] [stdout] 61 | ( Int(a) ) => { val!(b a == BigInt::from(0))}), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/runtime/core_values.rs:58:36 [INFO] [stdout] | [INFO] [stdout] 58 | ( Int(a), Int(b) ) => { Int( a * b ) }), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/runtime/core_values.rs:55:36 [INFO] [stdout] | [INFO] [stdout] 55 | ( Int(a), Int(b) ) => { Int( a - b ) }), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/runtime/core_values.rs:52:36 [INFO] [stdout] | [INFO] [stdout] 52 | ( Int(a), Int(b) ) => { Int( a + b ) }), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/ast.rs:54:81 [INFO] [stdout] | [INFO] [stdout] 54 | extract!((v) crate::runtime::eval::Value::AbstractSyntax = (ref ast) => (ast.clone())) [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 braces around block return value [INFO] [stdout] --> src/runtime/core_values.rs:65:37 [INFO] [stdout] | [INFO] [stdout] 65 | ( Int(a), Int(b) ) => { val!(b a == b)} ), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/runtime/core_values.rs:61:29 [INFO] [stdout] | [INFO] [stdout] 61 | ( Int(a) ) => { val!(b a == BigInt::from(0))}), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/runtime/core_values.rs:58:36 [INFO] [stdout] | [INFO] [stdout] 58 | ( Int(a), Int(b) ) => { Int( a * b ) }), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/runtime/core_values.rs:55:36 [INFO] [stdout] | [INFO] [stdout] 55 | ( Int(a), Int(b) ) => { Int( a - b ) }), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/runtime/core_values.rs:52:36 [INFO] [stdout] | [INFO] [stdout] 52 | ( Int(a), Int(b) ) => { Int( a + b ) }), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.34s [INFO] running `Command { std: "docker" "inspect" "ad0679bd999a53a6c1a40cc549a9c720e8a0eb2523cd205f8728ffb0a157d96b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad0679bd999a53a6c1a40cc549a9c720e8a0eb2523cd205f8728ffb0a157d96b", kill_on_drop: false }` [INFO] [stdout] ad0679bd999a53a6c1a40cc549a9c720e8a0eb2523cd205f8728ffb0a157d96b