[INFO] updating cached repository https://github.com/andrewhickman/small-lang [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] 61423387c252be44be4290a94dd260e9e8624075 [INFO] checking andrewhickman/small-lang against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhickman%2Fsmall-lang" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andrewhickman/small-lang on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/andrewhickman/small-lang [INFO] finished tweaking git repo https://github.com/andrewhickman/small-lang [INFO] tweaked toml for git repo https://github.com/andrewhickman/small-lang written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/andrewhickman/small-lang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d85897e30319725e779734bf362dd1ad07c3f95f9648db903f4dffa9c02361a5 [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" "d85897e30319725e779734bf362dd1ad07c3f95f9648db903f4dffa9c02361a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d85897e30319725e779734bf362dd1ad07c3f95f9648db903f4dffa9c02361a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d85897e30319725e779734bf362dd1ad07c3f95f9648db903f4dffa9c02361a5", kill_on_drop: false }` [INFO] [stdout] d85897e30319725e779734bf362dd1ad07c3f95f9648db903f4dffa9c02361a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb2c99be799ebb77f99204d0936c681b6ac0a21261dce9548924d4611b15af65 [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" "cb2c99be799ebb77f99204d0936c681b6ac0a21261dce9548924d4611b15af65", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking paw-raw v1.0.0 [INFO] [stderr] Checking seahash v3.0.6 [INFO] [stderr] Checking iter-set v1.0.3 [INFO] [stderr] Checking once_cell v1.2.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking ryu v1.0.2 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking sized-chunks v0.3.1 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling im v13.0.0 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling im-rc v13.0.0 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Checking rand_xoshiro v0.3.1 [INFO] [stderr] Checking rand_os v0.2.2 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking criterion-plot v0.4.0 [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] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.4 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling paw-attributes v1.0.2 [INFO] [stderr] Compiling structopt-derive v0.3.5 [INFO] [stderr] Checking paw v1.0.0 [INFO] [stderr] Checking structopt v0.3.5 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Checking codespan v0.6.0 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking small-ord-set v0.1.1 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Checking codespan-reporting v0.6.0 [INFO] [stderr] Checking mlsub v0.0.0 (https://github.com/andrewhickman/mlsub-rs?tag=v0.1.6#75a9d88a) [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking tinytemplate v1.0.2 [INFO] [stderr] Compiling lalrpop v0.17.2 [INFO] [stderr] Checking criterion v0.3.0 [INFO] [stderr] Compiling small-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/small-lang-3e7da43917c42da0/out/syntax/parser.rs:3878:5 [INFO] [stdout] | [INFO] [stdout] 3878 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:3890:5 [INFO] [stdout] | [INFO] [stdout] 3890 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:3962:5 [INFO] [stdout] | [INFO] [stdout] 3962 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:4014:5 [INFO] [stdout] | [INFO] [stdout] 4014 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:4335:5 [INFO] [stdout] | [INFO] [stdout] 4335 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:4349:5 [INFO] [stdout] | [INFO] [stdout] 4349 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:4528:5 [INFO] [stdout] | [INFO] [stdout] 4528 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:4757:5 [INFO] [stdout] | [INFO] [stdout] 4757 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:4820:5 [INFO] [stdout] | [INFO] [stdout] 4820 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:3878:5 [INFO] [stdout] | [INFO] [stdout] 3878 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:3890:5 [INFO] [stdout] | [INFO] [stdout] 3890 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:3962:5 [INFO] [stdout] | [INFO] [stdout] 3962 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:4014:5 [INFO] [stdout] | [INFO] [stdout] 4014 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:4335:5 [INFO] [stdout] | [INFO] [stdout] 4335 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:4349:5 [INFO] [stdout] | [INFO] [stdout] 4349 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:4528:5 [INFO] [stdout] | [INFO] [stdout] 4528 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:4757:5 [INFO] [stdout] | [INFO] [stdout] 4757 | (__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/small-lang-3e7da43917c42da0/out/syntax/parser.rs:4820:5 [INFO] [stdout] | [INFO] [stdout] 4820 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 07s [INFO] running `Command { std: "docker" "inspect" "cb2c99be799ebb77f99204d0936c681b6ac0a21261dce9548924d4611b15af65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb2c99be799ebb77f99204d0936c681b6ac0a21261dce9548924d4611b15af65", kill_on_drop: false }` [INFO] [stdout] cb2c99be799ebb77f99204d0936c681b6ac0a21261dce9548924d4611b15af65