[INFO] fetching crate stir 0.0.2...
[INFO] testing stir-0.0.2 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate stir 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stir 0.0.2 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stir 0.0.2
[INFO] finished tweaking crates.io crate stir 0.0.2
[INFO] tweaked toml for crates.io crate stir 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1871508949cc17b9743bb22dee1f347b181c603ea51c49dd72eea89b9a6a59c1
[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" "1871508949cc17b9743bb22dee1f347b181c603ea51c49dd72eea89b9a6a59c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1871508949cc17b9743bb22dee1f347b181c603ea51c49dd72eea89b9a6a59c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1871508949cc17b9743bb22dee1f347b181c603ea51c49dd72eea89b9a6a59c1", kill_on_drop: false }`
[INFO] [stdout] 1871508949cc17b9743bb22dee1f347b181c603ea51c49dd72eea89b9a6a59c1
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3353d6c4bca045a667cd310226333fd009dab00e4642268df4eca618dec1b015
[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" "3353d6c4bca045a667cd310226333fd009dab00e4642268df4eca618dec1b015", kill_on_drop: false }`
[INFO] [stderr]    Compiling stir v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> src/recipe/mod.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Some(entry_block) => Ok({ BasicBlock::interpret(entry_block) }),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "3353d6c4bca045a667cd310226333fd009dab00e4642268df4eca618dec1b015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3353d6c4bca045a667cd310226333fd009dab00e4642268df4eca618dec1b015", kill_on_drop: false }`
[INFO] [stdout] 3353d6c4bca045a667cd310226333fd009dab00e4642268df4eca618dec1b015
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 65ca6bb422d86bd14680ae051a69c4f4f4c032a1dbc14ba0b5687df26ed26c55
[INFO] running `Command { std: "docker" "start" "-a" "65ca6bb422d86bd14680ae051a69c4f4f4c032a1dbc14ba0b5687df26ed26c55", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> src/recipe/mod.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Some(entry_block) => Ok({ BasicBlock::interpret(entry_block) }),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stir v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> src/recipe/mod.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Some(entry_block) => Ok({ BasicBlock::interpret(entry_block) }),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "65ca6bb422d86bd14680ae051a69c4f4f4c032a1dbc14ba0b5687df26ed26c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ca6bb422d86bd14680ae051a69c4f4f4c032a1dbc14ba0b5687df26ed26c55", kill_on_drop: false }`
[INFO] [stdout] 65ca6bb422d86bd14680ae051a69c4f4f4c032a1dbc14ba0b5687df26ed26c55
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 2c9f046d6c936909ed278cde458482455ffa3a9c570cf9d9bdd04fc4422b8a8b
[INFO] running `Command { std: "docker" "start" "-a" "2c9f046d6c936909ed278cde458482455ffa3a9c570cf9d9bdd04fc4422b8a8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> src/recipe/mod.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Some(entry_block) => Ok({ BasicBlock::interpret(entry_block) }),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> src/recipe/mod.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Some(entry_block) => Ok({ BasicBlock::interpret(entry_block) }),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stir-34078b7b615ed704
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test blocks::boolean::tests::test_mut ... ok
[INFO] [stdout] test blocks::boolean::tests::init ... ok
[INFO] [stdout] test blocks::if_else::tests::cond_true ... ok
[INFO] [stdout] test blocks::if_else::tests::no_else ... ok
[INFO] [stdout] test label::tests::id_layout ... ok
[INFO] [stdout] test label::tests::id_layout_complex_prefix ... ok
[INFO] [stdout] test blocks::if_else::tests::output_complete ... ok
[INFO] [stdout] test blocks::if_else::tests::output_no_else ... ok
[INFO] [stdout] test recipe::tests::add_one_block_size_and_entry ... ok
[INFO] [stdout] test recipe::tests::init ... ok
[INFO] [stdout] test recipe::tests::add_entry ... ok
[INFO] [stdout] test blocks::if_else::tests::cond_false ... ok
[INFO] [stdout] test label::tests::last_id_increases ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stir
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/recipe/mod.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Some(entry_block) => Ok({ BasicBlock::interpret(entry_block) }),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 8 tests
[INFO] [stderr] 
[INFO] [stdout] test src/blocks/boolean.rs - blocks::boolean::Boolean::new (line 23) ... ok
[INFO] [stdout] test src/blocks/basic_block.rs - blocks::basic_block::BasicBlock::is_critical (line 43) ... ok
[INFO] [stdout] test src/blocks/basic_block.rs - blocks::basic_block::BasicBlock::debug (line 12) ... ok
[INFO] [stdout] test src/recipe/mod.rs - recipe::Recipe::add (line 26) ... ok
[INFO] [stdout] test src/blocks/boolean.rs - blocks::boolean::Boolean::set (line 54) ... ok
[INFO] [stdout] test src/blocks/boolean.rs - blocks::boolean::Boolean::value (line 39) ... ok
[INFO] [stdout] test src/label/mod.rs - label::Label::new (line 18) ... ok
[INFO] [stdout] test src/blocks/basic_block.rs - blocks::basic_block::BasicBlock::interpret (line 29) ... 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" "2c9f046d6c936909ed278cde458482455ffa3a9c570cf9d9bdd04fc4422b8a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9f046d6c936909ed278cde458482455ffa3a9c570cf9d9bdd04fc4422b8a8b", kill_on_drop: false }`
[INFO] [stdout] 2c9f046d6c936909ed278cde458482455ffa3a9c570cf9d9bdd04fc4422b8a8b