[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 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtran%2Fmini-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jtran/mini-rust on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-1/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" "+1.45.2" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b70df390af8644e12ca351b23e2dcb0aa341786e667be93dba73cedd1ffa061a [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" "b70df390af8644e12ca351b23e2dcb0aa341786e667be93dba73cedd1ffa061a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b70df390af8644e12ca351b23e2dcb0aa341786e667be93dba73cedd1ffa061a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b70df390af8644e12ca351b23e2dcb0aa341786e667be93dba73cedd1ffa061a", kill_on_drop: false }` [INFO] [stdout] b70df390af8644e12ca351b23e2dcb0aa341786e667be93dba73cedd1ffa061a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03957846f65215b0511e83e884a24324ceee4e5215f8475a48427fafd7fd6d1a [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" "03957846f65215b0511e83e884a24324ceee4e5215f8475a48427fafd7fd6d1a", kill_on_drop: false }` [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling serde 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-a2fd59552041f149/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-a2fd59552041f149/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-a2fd59552041f149/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-a2fd59552041f149/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-a2fd59552041f149/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 1m 35s [INFO] running `Command { std: "docker" "inspect" "03957846f65215b0511e83e884a24324ceee4e5215f8475a48427fafd7fd6d1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03957846f65215b0511e83e884a24324ceee4e5215f8475a48427fafd7fd6d1a", kill_on_drop: false }` [INFO] [stdout] 03957846f65215b0511e83e884a24324ceee4e5215f8475a48427fafd7fd6d1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+1.45.2" "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] 0c2d688b69502e78112b0dd01a696ab2df149267664052cd16f844ef3216707d [INFO] running `Command { std: "docker" "start" "-a" "0c2d688b69502e78112b0dd01a696ab2df149267664052cd16f844ef3216707d", 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-a2fd59552041f149/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-a2fd59552041f149/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-a2fd59552041f149/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-a2fd59552041f149/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-a2fd59552041f149/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 4.37s [INFO] running `Command { std: "docker" "inspect" "0c2d688b69502e78112b0dd01a696ab2df149267664052cd16f844ef3216707d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c2d688b69502e78112b0dd01a696ab2df149267664052cd16f844ef3216707d", kill_on_drop: false }` [INFO] [stdout] 0c2d688b69502e78112b0dd01a696ab2df149267664052cd16f844ef3216707d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9f4a9d88ab8903d1f86ca0caf9e200295a6cd93b81c5299cf27fb389fae87c3e [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" "9f4a9d88ab8903d1f86ca0caf9e200295a6cd93b81c5299cf27fb389fae87c3e", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stdout] running 8 tests [INFO] [stderr] --> /opt/rustwide/target/debug/build/mini-rust-a2fd59552041f149/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-a2fd59552041f149/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-a2fd59552041f149/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-a2fd59552041f149/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-a2fd59552041f149/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 0.17s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mini_rust-91fddcdd96baa8d5 [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_write_to_mutable_borrowed_with_dynamic_source ... ok [INFO] [stdout] test tests::test_parse ... ok [INFO] [stdout] test tests::test_borrow_check_write_to_mutable_borrowed ... ok [INFO] [stdout] test tests::test_borrow_check_read_borrowed ... 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" "9f4a9d88ab8903d1f86ca0caf9e200295a6cd93b81c5299cf27fb389fae87c3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f4a9d88ab8903d1f86ca0caf9e200295a6cd93b81c5299cf27fb389fae87c3e", kill_on_drop: false }` [INFO] [stdout] 9f4a9d88ab8903d1f86ca0caf9e200295a6cd93b81c5299cf27fb389fae87c3e