[INFO] cloning repository https://github.com/jtran/mini-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtran/mini-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtran%2Fmini-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtran%2Fmini-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9e5422a28c2f9a67f80c377d352fa19d244b28bc [INFO] testing jtran/mini-rust against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtran%2Fmini-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jtran/mini-rust on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jtran/mini-rust [INFO] finished tweaking git repo https://github.com/jtran/mini-rust [INFO] tweaked toml for git repo https://github.com/jtran/mini-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/jtran/mini-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b12685889ca41364074ac5f4b2c3c1b823dd546b9c413c6664c67adde3c9750 [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" "1b12685889ca41364074ac5f4b2c3c1b823dd546b9c413c6664c67adde3c9750", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b12685889ca41364074ac5f4b2c3c1b823dd546b9c413c6664c67adde3c9750", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b12685889ca41364074ac5f4b2c3c1b823dd546b9c413c6664c67adde3c9750", kill_on_drop: false }` [INFO] [stdout] 1b12685889ca41364074ac5f4b2c3c1b823dd546b9c413c6664c67adde3c9750 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f302edaa1487a0962954fc2d8bdbbf4b23b523af6c596c173cd8b4777afb7150 [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" "f302edaa1487a0962954fc2d8bdbbf4b23b523af6c596c173cd8b4777afb7150", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.103 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling argparse v0.2.2 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling thread_local v0.3.6 [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 itertools v0.8.2 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling quote v1.0.2 [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 sha2 v0.8.0 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.2 [INFO] [stderr] Compiling mini-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/mini-rust-74d053c034e36526/out/rust_grammar.rs:3881:5 [INFO] [stdout] | [INFO] [stdout] 3881 | (__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/mini-rust-74d053c034e36526/out/rust_grammar.rs:3948:5 [INFO] [stdout] | [INFO] [stdout] 3948 | (__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/mini-rust-74d053c034e36526/out/rust_grammar.rs:4342:5 [INFO] [stdout] | [INFO] [stdout] 4342 | (__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/mini-rust-74d053c034e36526/out/rust_grammar.rs:4686:5 [INFO] [stdout] | [INFO] [stdout] 4686 | (__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/mini-rust-74d053c034e36526/out/rust_grammar.rs:4744:5 [INFO] [stdout] | [INFO] [stdout] 4744 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 02s [INFO] running `Command { std: "docker" "inspect" "f302edaa1487a0962954fc2d8bdbbf4b23b523af6c596c173cd8b4777afb7150", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f302edaa1487a0962954fc2d8bdbbf4b23b523af6c596c173cd8b4777afb7150", kill_on_drop: false }` [INFO] [stdout] f302edaa1487a0962954fc2d8bdbbf4b23b523af6c596c173cd8b4777afb7150 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 084949e6e23ab613ca209f55bf8cdb90ebe1ec121bee87945315608a10f958c3 [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" "084949e6e23ab613ca209f55bf8cdb90ebe1ec121bee87945315608a10f958c3", kill_on_drop: false }` [INFO] [stderr] Compiling mini-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/mini-rust-74d053c034e36526/out/rust_grammar.rs:3881:5 [INFO] [stdout] | [INFO] [stdout] 3881 | (__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/mini-rust-74d053c034e36526/out/rust_grammar.rs:3948:5 [INFO] [stdout] | [INFO] [stdout] 3948 | (__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/mini-rust-74d053c034e36526/out/rust_grammar.rs:4342:5 [INFO] [stdout] | [INFO] [stdout] 4342 | (__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/mini-rust-74d053c034e36526/out/rust_grammar.rs:4686:5 [INFO] [stdout] | [INFO] [stdout] 4686 | (__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/mini-rust-74d053c034e36526/out/rust_grammar.rs:4744:5 [INFO] [stdout] | [INFO] [stdout] 4744 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.28s [INFO] running `Command { std: "docker" "inspect" "084949e6e23ab613ca209f55bf8cdb90ebe1ec121bee87945315608a10f958c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "084949e6e23ab613ca209f55bf8cdb90ebe1ec121bee87945315608a10f958c3", kill_on_drop: false }` [INFO] [stdout] 084949e6e23ab613ca209f55bf8cdb90ebe1ec121bee87945315608a10f958c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", 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] 83ee7034a2eaec581cef6063b2bc49dc3c46b0d9765b31fd412e8bec328d9d4a [INFO] running `Command { std: "docker" "start" "-a" "83ee7034a2eaec581cef6063b2bc49dc3c46b0d9765b31fd412e8bec328d9d4a", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/mini-rust-74d053c034e36526/out/rust_grammar.rs:3881:5 [INFO] [stderr] | [INFO] [stderr] 3881 | (__0) [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/mini-rust-74d053c034e36526/out/rust_grammar.rs:3948:5 [INFO] [stderr] | [INFO] [stderr] 3948 | (__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/mini-rust-74d053c034e36526/out/rust_grammar.rs:4342:5 [INFO] [stderr] | [INFO] [stderr] 4342 | (__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/mini-rust-74d053c034e36526/out/rust_grammar.rs:4686:5 [INFO] [stderr] | [INFO] [stderr] 4686 | (__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/mini-rust-74d053c034e36526/out/rust_grammar.rs:4744:5 [INFO] [stderr] | [INFO] [stderr] 4744 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mini_rust-dd7c75c689024096 [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test tests::test_borrow_check_write_to_mutable_borrowed_with_dynamic_source ... ok [INFO] [stdout] test tests::test_type_check_dereference ... ok [INFO] [stdout] test tests::test_type_check_borrow ... ok [INFO] [stdout] test tests::test_borrow_check_write_to_shared_borrowed ... ok [INFO] [stdout] test tests::test_borrow_check_read_borrowed ... ok [INFO] [stdout] test tests::test_borrow_check_write_to_mutable_borrowed ... ok [INFO] [stdout] test tests::test_parse ... ok [INFO] [stdout] test tests::test_type_check ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "83ee7034a2eaec581cef6063b2bc49dc3c46b0d9765b31fd412e8bec328d9d4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83ee7034a2eaec581cef6063b2bc49dc3c46b0d9765b31fd412e8bec328d9d4a", kill_on_drop: false }` [INFO] [stdout] 83ee7034a2eaec581cef6063b2bc49dc3c46b0d9765b31fd412e8bec328d9d4a